{"id":98483,"date":"2026-08-31T23:08:51","date_gmt":"2026-08-31T15:08:51","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/98483.html"},"modified":"2026-08-31T23:08:51","modified_gmt":"2026-08-31T15:08:51","slug":"java-gui-%e5%bc%80%e5%8f%91%e6%95%99%e7%a8%8b%ef%bc%9a%e4%bb%8e-swing-%e5%88%b0-javafx-%e7%9a%84%e5%ae%8c%e6%95%b4%e5%85%a5%e9%97%a8%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/98483.html","title":{"rendered":"Java GUI \u5f00\u53d1\u6559\u7a0b\uff1a\u4ece Swing \u5230 JavaFX \u7684\u5b8c\u6574\u5165\u95e8\u6307\u5357"},"content":{"rendered":"<p>TL;DR&#xff08;\u6458\u8981&#xff09;&#xff1a;\u672c\u6587\u662f\u4e00\u4efd\u9762\u5411\u521d\u5b66\u8005\u7684 Java GUI \u5f00\u53d1\u5b8c\u6574\u6559\u7a0b&#xff0c;\u7cfb\u7edf\u8bb2\u89e3 Swing \u4e0e JavaFX \u4e24\u5927\u4e3b\u6d41\u6846\u67b6\u3002\u4f60\u5c06\u5b66\u5230&#xff1a;Swing \u7684\u7a97\u53e3\u521b\u5efa\u3001\u5e38\u7528\u7ec4\u4ef6\u3001\u4e8b\u4ef6\u5904\u7406\u4e0e\u5e03\u5c40\u7ba1\u7406&#xff0c;\u5e76\u52a8\u624b\u5b9e\u73b0\u4e00\u4e2a\u5b8c\u6574\u7684\u767b\u5f55\u754c\u9762&#xff1b;\u968f\u540e\u5165\u95e8 JavaFX&#xff0c;\u4e86\u89e3\u5176\u73b0\u4ee3\u5316\u7ec4\u4ef6\u3001CSS \u6837\u5f0f\u4e0e FXML \u754c\u9762\u5206\u79bb\u6a21\u5f0f\u3002\u6587\u672b\u8fd8\u63d0\u4f9b\u4e24\u5927\u6846\u67b6\u7684\u5bf9\u6bd4\u603b\u7ed3\u3001\u5e38\u89c1\u95ee\u9898\u8c03\u8bd5\u6280\u5de7\u4e0e\u8fdb\u9636\u5b66\u4e60\u65b9\u5411&#xff0c;\u5e2e\u52a9\u4f60\u5feb\u901f\u4e0a\u624b\u684c\u9762\u5e94\u7528\u5f00\u53d1\u3002<\/p>\n<h3>\u76ee\u5f55<\/h3>\n<ul>\n<li>1. \u5f15\u8a00<\/li>\n<li>2. Java GUI \u5f00\u53d1\u6982\u8ff0\n<ul>\n<li>2.1 \u4ec0\u4e48\u662f GUI<\/li>\n<li>2.2 Java \u4e3b\u6d41 GUI \u6846\u67b6\u5bf9\u6bd4<\/li>\n<li>2.3 \u5982\u4f55\u9009\u62e9<\/li>\n<\/ul>\n<\/li>\n<li>3. \u5f00\u53d1\u73af\u5883\u51c6\u5907\n<ul>\n<li>3.1 \u5b89\u88c5 JDK<\/li>\n<li>3.2 \u9009\u62e9 IDE<\/li>\n<li>3.3 \u521b\u5efa\u9879\u76ee<\/li>\n<\/ul>\n<\/li>\n<li>4. Swing \u57fa\u7840\u5165\u95e8\n<ul>\n<li>4.1 \u7b2c\u4e00\u4e2a Swing \u7a97\u53e3<\/li>\n<li>4.2 \u5e38\u7528\u7ec4\u4ef6<\/li>\n<li>4.3 \u4e8b\u4ef6\u5904\u7406\u673a\u5236<\/li>\n<li>4.4 \u5e03\u5c40\u7ba1\u7406\u5668<\/li>\n<\/ul>\n<\/li>\n<li>5. Swing \u5b9e\u6218&#xff1a;\u767b\u5f55\u754c\u9762<\/li>\n<li>6. JavaFX \u5165\u95e8\n<ul>\n<li>6.1 JavaFX \u7b80\u4ecb<\/li>\n<li>6.2 \u7b2c\u4e00\u4e2a JavaFX \u5e94\u7528<\/li>\n<li>6.3 \u4f7f\u7528 FXML \u5206\u79bb\u754c\u9762\u4e0e\u903b\u8f91<\/li>\n<\/ul>\n<\/li>\n<li>7. Swing \u4e0e JavaFX \u5bf9\u6bd4\u603b\u7ed3<\/li>\n<li>8. \u5e38\u89c1\u95ee\u9898\u4e0e\u8c03\u8bd5\u6280\u5de7\n<ul>\n<li>8.1 \u754c\u9762\u4e0d\u663e\u793a<\/li>\n<li>8.2 \u4e2d\u6587\u4e71\u7801<\/li>\n<li>8.3 \u4e8b\u4ef6\u4e0d\u54cd\u5e94<\/li>\n<li>8.4 \u7ebf\u7a0b\u95ee\u9898<\/li>\n<\/ul>\n<\/li>\n<li>9. \u8fdb\u9636\u5b66\u4e60\u65b9\u5411<\/li>\n<li>10. \u603b\u7ed3<\/li>\n<\/ul>\n<h3>1. \u5f15\u8a00<\/h3>\n<p>Java \u4f5c\u4e3a\u4e00\u95e8\u8de8\u5e73\u53f0\u7684\u9ad8\u7ea7\u7f16\u7a0b\u8bed\u8a00&#xff0c;\u9664\u4e86\u5728\u670d\u52a1\u7aef\u5f00\u53d1\u9886\u57df\u5360\u636e\u91cd\u8981\u5730\u4f4d\u5916&#xff0c;\u5728\u684c\u9762\u5e94\u7528\u5f00\u53d1\u65b9\u9762\u540c\u6837\u62e5\u6709\u6210\u719f\u7684\u6280\u672f\u4f53\u7cfb\u3002GUI&#xff08;Graphical User Interface&#xff0c;\u56fe\u5f62\u7528\u6237\u754c\u9762&#xff09;\u5f00\u53d1\u662f Java \u5e94\u7528\u5f00\u53d1\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206&#xff0c;\u5b83\u8ba9\u7a0b\u5e8f\u80fd\u591f\u4ee5\u76f4\u89c2\u3001\u53cb\u597d\u7684\u65b9\u5f0f\u4e0e\u7528\u6237\u4ea4\u4e92\u3002<\/p>\n<p>\u672c\u6559\u7a0b\u5c06\u5e26\u4f60\u7cfb\u7edf\u5b66\u4e60 Java GUI \u5f00\u53d1&#xff0c;\u4ece\u6700\u7ecf\u5178\u7684 Swing \u6846\u67b6\u5165\u624b&#xff0c;\u9010\u6b65\u8fc7\u6e21\u5230\u73b0\u4ee3\u5316\u7684 JavaFX \u5e73\u53f0\u3002\u65e0\u8bba\u4f60\u662f\u521a\u63a5\u89e6 Java \u7684\u521d\u5b66\u8005&#xff0c;\u8fd8\u662f\u5e0c\u671b\u62d3\u5c55\u684c\u9762\u5f00\u53d1\u6280\u80fd\u7684\u5f00\u53d1\u8005&#xff0c;\u672c\u6587\u90fd\u80fd\u4e3a\u4f60\u63d0\u4f9b\u6e05\u6670\u7684\u5b66\u4e60\u8def\u5f84\u548c\u5b9e\u7528\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<h3>2. Java GUI \u5f00\u53d1\u6982\u8ff0<\/h3>\n<h4>2.1 \u4ec0\u4e48\u662f GUI<\/h4>\n<p>GUI \u5373\u56fe\u5f62\u7528\u6237\u754c\u9762&#xff0c;\u662f\u6307\u91c7\u7528\u56fe\u5f62\u65b9\u5f0f\u663e\u793a\u7684\u8ba1\u7b97\u673a\u64cd\u4f5c\u7528\u6237\u754c\u9762\u3002\u4e0e\u65e9\u671f\u7684\u547d\u4ee4\u884c\u754c\u9762&#xff08;CLI&#xff09;\u76f8\u6bd4&#xff0c;GUI \u5141\u8bb8\u7528\u6237\u901a\u8fc7\u9f20\u6807\u70b9\u51fb\u3001\u62d6\u62fd\u7b49\u76f4\u89c2\u64cd\u4f5c\u4e0e\u7a0b\u5e8f\u4ea4\u4e92&#xff0c;\u5927\u5927\u964d\u4f4e\u4e86\u8f6f\u4ef6\u7684\u4f7f\u7528\u95e8\u69db\u3002<\/p>\n<h4>2.2 Java \u4e3b\u6d41 GUI \u6846\u67b6\u5bf9\u6bd4<\/h4>\n<p>Java \u751f\u6001\u4e2d\u4e3b\u8981\u6709\u4e09\u4e2a GUI \u5de5\u5177\u5305&#xff1a;<\/p>\n<table>\n<tr>\u6846\u67b6\u53d1\u5e03\u65f6\u95f4\u7279\u70b9\u9002\u7528\u573a\u666f<\/tr>\n<tbody>\n<tr>\n<td>AWT<\/td>\n<td>1995<\/td>\n<td>\u4f9d\u8d56\u539f\u751f\u7ec4\u4ef6&#xff0c;\u8de8\u5e73\u53f0\u8868\u73b0\u4e0d\u4e00\u81f4<\/td>\n<td>\u5df2\u88ab Swing \u53d6\u4ee3<\/td>\n<\/tr>\n<tr>\n<td>Swing<\/td>\n<td>1997<\/td>\n<td>\u7eaf Java \u5b9e\u73b0&#xff0c;\u7ec4\u4ef6\u4e30\u5bcc&#xff0c;\u6210\u719f\u7a33\u5b9a<\/td>\n<td>\u4f20\u7edf\u684c\u9762\u5e94\u7528\u3001\u5b66\u4e60\u5165\u95e8<\/td>\n<\/tr>\n<tr>\n<td>JavaFX<\/td>\n<td>2008<\/td>\n<td>\u73b0\u4ee3\u5316 UI&#xff0c;\u652f\u6301 CSS \u6837\u5f0f\u3001FXML\u3001\u786c\u4ef6\u52a0\u901f<\/td>\n<td>\u65b0\u9879\u76ee\u9996\u9009\u3001\u5bcc\u5ba2\u6237\u7aef\u5e94\u7528<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>2.3 \u5982\u4f55\u9009\u62e9<\/h4>\n<p>\u5bf9\u4e8e\u521d\u5b66\u8005&#xff0c;\u5efa\u8bae\u4ece Swing \u5165\u624b&#xff0c;\u56e0\u4e3a\u5b83\u7684 API \u7b80\u5355\u76f4\u89c2&#xff0c;\u5b66\u4e60\u66f2\u7ebf\u5e73\u7f13&#xff0c;\u80fd\u5e2e\u52a9\u4f60\u5feb\u901f\u7406\u89e3 GUI \u7f16\u7a0b\u7684\u6838\u5fc3\u6982\u5ff5&#xff08;\u4e8b\u4ef6\u6a21\u578b\u3001\u5e03\u5c40\u7ba1\u7406\u7b49&#xff09;\u3002\u5f53\u638c\u63e1\u57fa\u7840\u540e&#xff0c;\u518d\u8f6c\u5411 JavaFX \u5b66\u4e60\u66f4\u73b0\u4ee3\u7684 UI \u5f00\u53d1\u65b9\u5f0f\u3002<\/p>\n<h3>3. \u5f00\u53d1\u73af\u5883\u51c6\u5907<\/h3>\n<h4>3.1 \u5b89\u88c5 JDK<\/h4>\n<p>\u9996\u5148\u786e\u4fdd\u4f60\u7684\u7535\u8111\u4e0a\u5b89\u88c5\u4e86 JDK 8 \u6216\u66f4\u9ad8\u7248\u672c\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u9a8c\u8bc1&#xff1a;<\/p>\n<p><span class=\"token function\">java<\/span> <span class=\"token parameter variable\">-version<\/span><\/p>\n<p>\u5982\u679c\u5c1a\u672a\u5b89\u88c5&#xff0c;\u53ef\u4ee5\u524d\u5f80 Oracle \u5b98\u7f51\u6216\u4f7f\u7528 OpenJDK \u53d1\u884c\u7248&#xff08;\u5982 Adoptium&#xff09;\u8fdb\u884c\u5b89\u88c5\u3002<\/p>\n<h4>3.2 \u9009\u62e9 IDE<\/h4>\n<p>\u63a8\u8350\u4f7f\u7528\u4ee5\u4e0b\u96c6\u6210\u5f00\u53d1\u73af\u5883&#xff1a;<\/p>\n<ul>\n<li>IntelliJ IDEA&#xff1a;\u529f\u80fd\u5f3a\u5927&#xff0c;\u5bf9 JavaFX \u652f\u6301\u826f\u597d<\/li>\n<li>Eclipse&#xff1a;\u8001\u724c IDE&#xff0c;\u63d2\u4ef6\u751f\u6001\u4e30\u5bcc<\/li>\n<li>VS Code&#xff1a;\u8f7b\u91cf\u7ea7&#xff0c;\u914d\u5408 Java \u6269\u5c55\u5305\u4f7f\u7528<\/li>\n<\/ul>\n<h4>3.3 \u521b\u5efa\u9879\u76ee<\/h4>\n<p>\u4ee5 IntelliJ IDEA \u4e3a\u4f8b&#xff0c;\u65b0\u5efa Java \u9879\u76ee\u540e&#xff0c;\u5728 src \u76ee\u5f55\u4e0b\u521b\u5efa\u4e3b\u7c7b\u5373\u53ef\u5f00\u59cb\u7f16\u5199 GUI \u4ee3\u7801\u3002<\/p>\n<h3>4. Swing \u57fa\u7840\u5165\u95e8<\/h3>\n<h4>4.1 \u7b2c\u4e00\u4e2a Swing \u7a97\u53e3<\/h4>\n<p>\u8ba9\u6211\u4eec\u4ece\u521b\u5efa\u4e00\u4e2a\u6700\u7b80\u5355\u7684\u7a97\u53e3\u5f00\u59cb&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>swing<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">JFrame<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">FirstWindow<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u521b\u5efa\u7a97\u53e3\u5bf9\u8c61<\/span><br \/>\n        <span class=\"token class-name\">JFrame<\/span> frame <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JFrame<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6211\u7684\u7b2c\u4e00\u4e2a Swing \u7a97\u53e3&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u7a97\u53e3\u5927\u5c0f&#xff08;\u5bbd\u3001\u9ad8&#xff09;<\/span><br \/>\n        frame<span class=\"token punctuation\">.<\/span><span class=\"token function\">setSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">400<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">300<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u5173\u95ed\u7a97\u53e3\u65f6\u9000\u51fa\u7a0b\u5e8f<\/span><br \/>\n        frame<span class=\"token punctuation\">.<\/span><span class=\"token function\">setDefaultCloseOperation<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">JFrame<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">EXIT_ON_CLOSE<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8ba9\u7a97\u53e3\u5c45\u4e2d\u663e\u793a<\/span><br \/>\n        frame<span class=\"token punctuation\">.<\/span><span class=\"token function\">setLocationRelativeTo<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u663e\u793a\u7a97\u53e3<\/span><br \/>\n        frame<span class=\"token punctuation\">.<\/span><span class=\"token function\">setVisible<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u8fd0\u884c\u4e0a\u8ff0\u4ee3\u7801&#xff0c;\u4f60\u4f1a\u770b\u5230\u4e00\u4e2a\u6807\u9898\u4e3a\u300c\u6211\u7684\u7b2c\u4e00\u4e2a Swing \u7a97\u53e3\u300d\u7684\u7a7a\u767d\u7a97\u53e3\u3002\u8fd9\u662f\u6240\u6709 Swing \u5e94\u7528\u7684\u8d77\u70b9\u3002<\/p>\n<h4>4.2 \u5e38\u7528\u7ec4\u4ef6<\/h4>\n<p>Swing \u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u7ec4\u4ef6\u5e93&#xff0c;\u4ee5\u4e0b\u662f\u51e0\u4e2a\u6700\u5e38\u7528\u7684&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>swing<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>awt<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">FlowLayout<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">BasicComponents<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">JFrame<\/span> frame <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JFrame<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5e38\u7528\u7ec4\u4ef6\u793a\u4f8b&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        frame<span class=\"token punctuation\">.<\/span><span class=\"token function\">setDefaultCloseOperation<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">JFrame<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">EXIT_ON_CLOSE<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        frame<span class=\"token punctuation\">.<\/span><span class=\"token function\">setSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">400<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">300<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u5e03\u5c40\u7ba1\u7406\u5668\u4e3a\u6d41\u5f0f\u5e03\u5c40<\/span><br \/>\n        frame<span class=\"token punctuation\">.<\/span><span class=\"token function\">setLayout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FlowLayout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6807\u7b7e\u7ec4\u4ef6<\/span><br \/>\n        <span class=\"token class-name\">JLabel<\/span> label <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JLabel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u7528\u6237\u540d&#xff1a;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6587\u672c\u6846\u7ec4\u4ef6<\/span><br \/>\n        <span class=\"token class-name\">JTextField<\/span> textField <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JTextField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">15<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6309\u94ae\u7ec4\u4ef6<\/span><br \/>\n        <span class=\"token class-name\">JButton<\/span> button <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JButton<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u767b\u5f55&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u590d\u9009\u6846\u7ec4\u4ef6<\/span><br \/>\n        <span class=\"token class-name\">JCheckBox<\/span> checkBox <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JCheckBox<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u8bb0\u4f4f\u6211&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5c06\u7ec4\u4ef6\u6dfb\u52a0\u5230\u7a97\u53e3<\/span><br \/>\n        frame<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>label<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        frame<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>textField<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        frame<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>button<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        frame<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>checkBox<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        frame<span class=\"token punctuation\">.<\/span><span class=\"token function\">setVisible<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>4.3 \u4e8b\u4ef6\u5904\u7406\u673a\u5236<\/h4>\n<p>GUI \u7a0b\u5e8f\u7684\u6838\u5fc3\u5728\u4e8e\u4e8b\u4ef6\u9a71\u52a8\u3002\u5f53\u7528\u6237\u70b9\u51fb\u6309\u94ae\u3001\u8f93\u5165\u6587\u5b57\u65f6&#xff0c;\u7a0b\u5e8f\u9700\u8981\u505a\u51fa\u54cd\u5e94\u3002Swing \u91c7\u7528\u76d1\u542c\u5668\u6a21\u5f0f\u5904\u7406\u4e8b\u4ef6&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>swing<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>awt<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">FlowLayout<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>awt<span class=\"token punctuation\">.<\/span>event<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ActionEvent<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>awt<span class=\"token punctuation\">.<\/span>event<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ActionListener<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">EventDemo<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">JFrame<\/span> frame <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JFrame<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u4e8b\u4ef6\u5904\u7406\u793a\u4f8b&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        frame<span class=\"token punctuation\">.<\/span><span class=\"token function\">setDefaultCloseOperation<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">JFrame<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">EXIT_ON_CLOSE<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        frame<span class=\"token punctuation\">.<\/span><span class=\"token function\">setSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">300<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        frame<span class=\"token punctuation\">.<\/span><span class=\"token function\">setLayout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FlowLayout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token class-name\">JButton<\/span> button <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JButton<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u70b9\u51fb\u6211&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">JLabel<\/span> label <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JLabel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u8fd8\u6ca1\u6709\u70b9\u51fb&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u4e3a\u6309\u94ae\u6dfb\u52a0\u4e8b\u4ef6\u76d1\u542c\u5668<\/span><br \/>\n        button<span class=\"token punctuation\">.<\/span><span class=\"token function\">addActionListener<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ActionListener<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n            <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">actionPerformed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ActionEvent<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                label<span class=\"token punctuation\">.<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6309\u94ae\u88ab\u70b9\u51fb\u4e86&#xff01;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        frame<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>button<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        frame<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>label<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        frame<span class=\"token punctuation\">.<\/span><span class=\"token function\">setVisible<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>4.4 \u5e03\u5c40\u7ba1\u7406\u5668<\/h4>\n<p>\u5e03\u5c40\u7ba1\u7406\u5668\u8d1f\u8d23\u63a7\u5236\u7ec4\u4ef6\u5728\u5bb9\u5668\u4e2d\u7684\u6392\u5217\u65b9\u5f0f\u3002Swing \u63d0\u4f9b\u4e86\u591a\u79cd\u5e03\u5c40&#xff1a;<\/p>\n<ul>\n<li>FlowLayout&#xff1a;\u4ece\u5de6\u5230\u53f3\u6392\u5217&#xff0c;\u653e\u4e0d\u4e0b\u81ea\u52a8\u6362\u884c<\/li>\n<li>BorderLayout&#xff1a;\u5206\u4e3a\u4e1c\u5357\u897f\u5317\u4e2d\u4e94\u4e2a\u533a\u57df<\/li>\n<li>GridLayout&#xff1a;\u7f51\u683c\u72b6\u6392\u5217&#xff0c;\u6240\u6709\u5355\u5143\u683c\u5927\u5c0f\u76f8\u540c<\/li>\n<li>GridBagLayout&#xff1a;\u6700\u7075\u6d3b&#xff0c;\u4f46\u4f7f\u7528\u590d\u6742<\/li>\n<\/ul>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>swing<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>awt<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">BorderLayout<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">BorderLayoutDemo<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">JFrame<\/span> frame <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JFrame<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u8fb9\u754c\u5e03\u5c40\u793a\u4f8b&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        frame<span class=\"token punctuation\">.<\/span><span class=\"token function\">setDefaultCloseOperation<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">JFrame<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">EXIT_ON_CLOSE<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        frame<span class=\"token punctuation\">.<\/span><span class=\"token function\">setSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">400<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">300<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u8fb9\u754c\u5e03\u5c40<\/span><br \/>\n        frame<span class=\"token punctuation\">.<\/span><span class=\"token function\">setLayout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">BorderLayout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5728\u4e94\u4e2a\u533a\u57df\u6dfb\u52a0\u6309\u94ae<\/span><br \/>\n        frame<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JButton<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5317&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">BorderLayout<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">NORTH<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        frame<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JButton<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5357&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">BorderLayout<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">SOUTH<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        frame<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JButton<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u4e1c&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">BorderLayout<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">EAST<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        frame<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JButton<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u897f&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">BorderLayout<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">WEST<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        frame<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JButton<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u4e2d&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">BorderLayout<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">CENTER<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        frame<span class=\"token punctuation\">.<\/span><span class=\"token function\">setVisible<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>5. Swing \u5b9e\u6218&#xff1a;\u767b\u5f55\u754c\u9762<\/h3>\n<h4>5.1 \u6ce8\u518c\u754c\u9762\u5b9e\u6218<\/h4>\n<p>\u638c\u63e1\u4e86\u767b\u5f55\u754c\u9762\u7684\u5b9e\u73b0\u540e&#xff0c;\u6211\u4eec\u518d\u6765\u6784\u5efa\u4e00\u4e2a\u529f\u80fd\u66f4\u5b8c\u6574\u7684\u6ce8\u518c\u754c\u9762\u3002\u5b83\u5305\u542b\u7528\u6237\u540d\u3001\u90ae\u7bb1\u3001\u5bc6\u7801\u3001\u786e\u8ba4\u5bc6\u7801\u56db\u4e2a\u8f93\u5165\u9879\u548c\u4e00\u4e2a\u6ce8\u518c\u6309\u94ae&#xff0c;\u5e76\u5728\u63d0\u4ea4\u65f6\u8fdb\u884c\u5bc6\u7801\u5f3a\u5ea6\u6821\u9a8c&#xff08;\u81f3\u5c11 8 \u4f4d\u4e14\u540c\u65f6\u5305\u542b\u5b57\u6bcd\u548c\u6570\u5b57&#xff09;&#xff0c;\u6821\u9a8c\u5931\u8d25\u4f1a\u5728\u754c\u9762\u4e2d\u7ed9\u51fa\u5177\u4f53\u9519\u8bef\u63d0\u793a\u3002<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>swing<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>awt<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>awt<span class=\"token punctuation\">.<\/span>event<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ActionEvent<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>awt<span class=\"token punctuation\">.<\/span>event<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ActionListener<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">RegisterFrame<\/span> <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">JFrame<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">JTextField<\/span> usernameField<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">JTextField<\/span> emailField<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">JPasswordField<\/span> passwordField<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">JPasswordField<\/span> confirmPasswordField<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">JLabel<\/span> messageLabel<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">RegisterFrame<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u7a97\u53e3\u5c5e\u6027<\/span><br \/>\n        <span class=\"token function\">setTitle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u7528\u6237\u6ce8\u518c&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">setSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">400<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">300<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">setDefaultCloseOperation<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">JFrame<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">EXIT_ON_CLOSE<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">setLocationRelativeTo<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">setResizable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u521b\u5efa\u4e3b\u9762\u677f<\/span><br \/>\n        <span class=\"token class-name\">JPanel<\/span> mainPanel <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JPanel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">GridBagLayout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">GridBagConstraints<\/span> gbc <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">GridBagConstraints<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        gbc<span class=\"token punctuation\">.<\/span>insets <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Insets<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u7528\u6237\u540d\u884c<\/span><br \/>\n        gbc<span class=\"token punctuation\">.<\/span>gridx <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        gbc<span class=\"token punctuation\">.<\/span>gridy <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        mainPanel<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JLabel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u7528\u6237\u540d&#xff1a;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> gbc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        gbc<span class=\"token punctuation\">.<\/span>gridx <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        usernameField <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JTextField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">15<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        mainPanel<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>usernameField<span class=\"token punctuation\">,<\/span> gbc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u90ae\u7bb1\u884c<\/span><br \/>\n        gbc<span class=\"token punctuation\">.<\/span>gridx <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        gbc<span class=\"token punctuation\">.<\/span>gridy <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        mainPanel<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JLabel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u90ae\u7bb1&#xff1a;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> gbc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        gbc<span class=\"token punctuation\">.<\/span>gridx <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        emailField <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JTextField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">15<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        mainPanel<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>emailField<span class=\"token punctuation\">,<\/span> gbc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5bc6\u7801\u884c<\/span><br \/>\n        gbc<span class=\"token punctuation\">.<\/span>gridx <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        gbc<span class=\"token punctuation\">.<\/span>gridy <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        mainPanel<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JLabel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5bc6\u7801&#xff1a;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> gbc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        gbc<span class=\"token punctuation\">.<\/span>gridx <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        passwordField <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JPasswordField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">15<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        mainPanel<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>passwordField<span class=\"token punctuation\">,<\/span> gbc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u786e\u8ba4\u5bc6\u7801\u884c<\/span><br \/>\n        gbc<span class=\"token punctuation\">.<\/span>gridx <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        gbc<span class=\"token punctuation\">.<\/span>gridy <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        mainPanel<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JLabel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u786e\u8ba4\u5bc6\u7801&#xff1a;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> gbc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        gbc<span class=\"token punctuation\">.<\/span>gridx <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        confirmPasswordField <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JPasswordField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">15<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        mainPanel<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>confirmPasswordField<span class=\"token punctuation\">,<\/span> gbc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6309\u94ae\u884c<\/span><br \/>\n        gbc<span class=\"token punctuation\">.<\/span>gridx <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        gbc<span class=\"token punctuation\">.<\/span>gridy <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        gbc<span class=\"token punctuation\">.<\/span>gridwidth <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">JPanel<\/span> buttonPanel <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JPanel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FlowLayout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">JButton<\/span> registerButton <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JButton<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6ce8\u518c&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">JButton<\/span> resetButton <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JButton<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u91cd\u7f6e&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        buttonPanel<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>registerButton<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        buttonPanel<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>resetButton<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        mainPanel<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>buttonPanel<span class=\"token punctuation\">,<\/span> gbc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u63d0\u793a\u4fe1\u606f<\/span><br \/>\n        gbc<span class=\"token punctuation\">.<\/span>gridy <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        messageLabel <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JLabel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034; &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        messageLabel<span class=\"token punctuation\">.<\/span><span class=\"token function\">setForeground<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Color<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">RED<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        mainPanel<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>messageLabel<span class=\"token punctuation\">,<\/span> gbc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6dfb\u52a0\u4e8b\u4ef6\u76d1\u542c<\/span><br \/>\n        registerButton<span class=\"token punctuation\">.<\/span><span class=\"token function\">addActionListener<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ActionListener<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n            <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">actionPerformed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ActionEvent<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token function\">handleRegister<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        resetButton<span class=\"token punctuation\">.<\/span><span class=\"token function\">addActionListener<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ActionListener<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n            <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">actionPerformed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ActionEvent<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                usernameField<span class=\"token punctuation\">.<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                emailField<span class=\"token punctuation\">.<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                passwordField<span class=\"token punctuation\">.<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                confirmPasswordField<span class=\"token punctuation\">.<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                messageLabel<span class=\"token punctuation\">.<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034; &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>mainPanel<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">handleRegister<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> username <span class=\"token operator\">&#061;<\/span> usernameField<span class=\"token punctuation\">.<\/span><span class=\"token function\">getText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">trim<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> email <span class=\"token operator\">&#061;<\/span> emailField<span class=\"token punctuation\">.<\/span><span class=\"token function\">getText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">trim<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> password <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">(<\/span>passwordField<span class=\"token punctuation\">.<\/span><span class=\"token function\">getPassword<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> confirmPassword <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">(<\/span>confirmPasswordField<span class=\"token punctuation\">.<\/span><span class=\"token function\">getPassword<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6821\u9a8c\u7528\u6237\u540d\u662f\u5426\u4e3a\u7a7a<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>username<span class=\"token punctuation\">.<\/span><span class=\"token function\">isEmpty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">showError<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u7528\u6237\u540d\u4e0d\u80fd\u4e3a\u7a7a&#xff01;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6821\u9a8c\u90ae\u7bb1\u662f\u5426\u4e3a\u7a7a<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>email<span class=\"token punctuation\">.<\/span><span class=\"token function\">isEmpty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">showError<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u90ae\u7bb1\u4e0d\u80fd\u4e3a\u7a7a&#xff01;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6821\u9a8c\u90ae\u7bb1\u683c\u5f0f&#xff08;\u7b80\u5355\u6821\u9a8c&#xff1a;\u5fc5\u987b\u5305\u542b &#064; \u548c .&#xff09;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>email<span class=\"token punctuation\">.<\/span><span class=\"token function\">contains<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#064;&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token operator\">!<\/span>email<span class=\"token punctuation\">.<\/span><span class=\"token function\">contains<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;.&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">showError<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u90ae\u7bb1\u683c\u5f0f\u4e0d\u6b63\u786e&#xff01;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6821\u9a8c\u5bc6\u7801\u662f\u5426\u4e3a\u7a7a<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>password<span class=\"token punctuation\">.<\/span><span class=\"token function\">isEmpty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">showError<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5bc6\u7801\u4e0d\u80fd\u4e3a\u7a7a&#xff01;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6821\u9a8c\u5bc6\u7801\u5f3a\u5ea6&#xff1a;\u81f3\u5c11 8 \u4f4d\u4e14\u5305\u542b\u5b57\u6bcd\u548c\u6570\u5b57<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> passwordError <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">checkPasswordStrength<\/span><span class=\"token punctuation\">(<\/span>password<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>passwordError <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">showError<\/span><span class=\"token punctuation\">(<\/span>passwordError<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6821\u9a8c\u4e24\u6b21\u5bc6\u7801\u662f\u5426\u4e00\u81f4<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>password<span class=\"token punctuation\">.<\/span><span class=\"token function\">equals<\/span><span class=\"token punctuation\">(<\/span>confirmPassword<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">showError<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u4e24\u6b21\u8f93\u5165\u7684\u5bc6\u7801\u4e0d\u4e00\u81f4&#xff01;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6240\u6709\u6821\u9a8c\u901a\u8fc7&#xff0c;\u6ce8\u518c\u6210\u529f<\/span><br \/>\n        messageLabel<span class=\"token punctuation\">.<\/span><span class=\"token function\">setForeground<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Color<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">128<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        messageLabel<span class=\"token punctuation\">.<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6ce8\u518c\u6210\u529f&#xff01;\u6b22\u8fce &#034;<\/span> <span class=\"token operator\">&#043;<\/span> username<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u6821\u9a8c\u5bc6\u7801\u5f3a\u5ea6<br \/>\n     * &#064;return \u8fd4\u56de\u9519\u8bef\u4fe1\u606f&#xff1b;\u5982\u679c\u5bc6\u7801\u5408\u6cd5\u5219\u8fd4\u56de null<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">checkPasswordStrength<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> password<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u68c0\u67e5\u957f\u5ea6\u662f\u5426\u81f3\u5c11 8 \u4f4d<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>password<span class=\"token punctuation\">.<\/span><span class=\"token function\">length<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">8<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u5bc6\u7801\u957f\u5ea6\u81f3\u5c11\u4e3a 8 \u4f4d&#xff01;&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u68c0\u67e5\u662f\u5426\u5305\u542b\u5b57\u6bcd<\/span><br \/>\n        <span class=\"token keyword\">boolean<\/span> hasLetter <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u68c0\u67e5\u662f\u5426\u5305\u542b\u6570\u5b57<\/span><br \/>\n        <span class=\"token keyword\">boolean<\/span> hasDigit <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">char<\/span> c <span class=\"token operator\">:<\/span> password<span class=\"token punctuation\">.<\/span><span class=\"token function\">toCharArray<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Character<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">isLetter<\/span><span class=\"token punctuation\">(<\/span>c<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                hasLetter <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Character<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">isDigit<\/span><span class=\"token punctuation\">(<\/span>c<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                hasDigit <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>hasLetter<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u5bc6\u7801\u5fc5\u987b\u5305\u542b\u5b57\u6bcd&#xff01;&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>hasDigit<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u5bc6\u7801\u5fc5\u987b\u5305\u542b\u6570\u5b57&#xff01;&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5bc6\u7801\u5408\u6cd5<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">showError<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> message<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        messageLabel<span class=\"token punctuation\">.<\/span><span class=\"token function\">setForeground<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Color<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">RED<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        messageLabel<span class=\"token punctuation\">.<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">SwingUtilities<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">invokeLater<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Runnable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n            <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">run<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">RegisterFrame<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">setVisible<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u8fd0\u884c\u4e0a\u8ff0\u4ee3\u7801&#xff0c;\u4f60\u4f1a\u770b\u5230\u4e00\u4e2a\u5305\u542b\u7528\u6237\u540d\u3001\u90ae\u7bb1\u3001\u5bc6\u7801\u548c\u786e\u8ba4\u5bc6\u7801\u7684\u6ce8\u518c\u7a97\u53e3\u3002\u70b9\u51fb\u300c\u6ce8\u518c\u300d\u6309\u94ae\u65f6&#xff0c;\u7a0b\u5e8f\u4f1a\u4f9d\u6b21\u6821\u9a8c\u8f93\u5165\u5185\u5bb9&#xff1a;\u7528\u6237\u540d\u548c\u90ae\u7bb1\u4e0d\u80fd\u4e3a\u7a7a\u3001\u90ae\u7bb1\u683c\u5f0f\u5fc5\u987b\u5408\u6cd5\u3001\u5bc6\u7801\u957f\u5ea6\u81f3\u5c11 8 \u4f4d\u4e14\u540c\u65f6\u5305\u542b\u5b57\u6bcd\u548c\u6570\u5b57\u3001\u4e24\u6b21\u5bc6\u7801\u5fc5\u987b\u4e00\u81f4\u3002\u4efb\u4f55\u4e00\u9879\u6821\u9a8c\u5931\u8d25&#xff0c;\u90fd\u4f1a\u5728\u7a97\u53e3\u5e95\u90e8\u663e\u793a\u5177\u4f53\u7684\u7ea2\u8272\u9519\u8bef\u63d0\u793a&#xff1b;\u5168\u90e8\u901a\u8fc7\u540e\u5219\u663e\u793a\u7eff\u8272\u6ce8\u518c\u6210\u529f\u4fe1\u606f\u3002<\/p>\n<p>\u7efc\u5408\u4ee5\u4e0a\u77e5\u8bc6&#xff0c;\u6211\u4eec\u6765\u6784\u5efa\u4e00\u4e2a\u5b8c\u6574\u7684\u767b\u5f55\u754c\u9762&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>swing<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>awt<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>awt<span class=\"token punctuation\">.<\/span>event<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ActionEvent<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>awt<span class=\"token punctuation\">.<\/span>event<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ActionListener<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">LoginFrame<\/span> <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">JFrame<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">JTextField<\/span> usernameField<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">JPasswordField<\/span> passwordField<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">JLabel<\/span> messageLabel<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">LoginFrame<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u7a97\u53e3\u5c5e\u6027<\/span><br \/>\n        <span class=\"token function\">setTitle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u7528\u6237\u767b\u5f55&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">setSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">350<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">220<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">setDefaultCloseOperation<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">JFrame<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">EXIT_ON_CLOSE<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">setLocationRelativeTo<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">setResizable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u521b\u5efa\u4e3b\u9762\u677f<\/span><br \/>\n        <span class=\"token class-name\">JPanel<\/span> mainPanel <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JPanel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">GridBagLayout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">GridBagConstraints<\/span> gbc <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">GridBagConstraints<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        gbc<span class=\"token punctuation\">.<\/span>insets <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Insets<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u7528\u6237\u540d\u884c<\/span><br \/>\n        gbc<span class=\"token punctuation\">.<\/span>gridx <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        gbc<span class=\"token punctuation\">.<\/span>gridy <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        mainPanel<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JLabel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u7528\u6237\u540d&#xff1a;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> gbc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        gbc<span class=\"token punctuation\">.<\/span>gridx <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        usernameField <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JTextField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">15<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        mainPanel<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>usernameField<span class=\"token punctuation\">,<\/span> gbc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5bc6\u7801\u884c<\/span><br \/>\n        gbc<span class=\"token punctuation\">.<\/span>gridx <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        gbc<span class=\"token punctuation\">.<\/span>gridy <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        mainPanel<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JLabel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5bc6\u7801&#xff1a;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> gbc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        gbc<span class=\"token punctuation\">.<\/span>gridx <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        passwordField <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JPasswordField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">15<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        mainPanel<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>passwordField<span class=\"token punctuation\">,<\/span> gbc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6309\u94ae\u884c<\/span><br \/>\n        gbc<span class=\"token punctuation\">.<\/span>gridx <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        gbc<span class=\"token punctuation\">.<\/span>gridy <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        gbc<span class=\"token punctuation\">.<\/span>gridwidth <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">JPanel<\/span> buttonPanel <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JPanel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FlowLayout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">JButton<\/span> loginButton <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JButton<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u767b\u5f55&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">JButton<\/span> resetButton <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JButton<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u91cd\u7f6e&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        buttonPanel<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>loginButton<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        buttonPanel<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>resetButton<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        mainPanel<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>buttonPanel<span class=\"token punctuation\">,<\/span> gbc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u63d0\u793a\u4fe1\u606f<\/span><br \/>\n        gbc<span class=\"token punctuation\">.<\/span>gridy <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        messageLabel <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JLabel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034; &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        messageLabel<span class=\"token punctuation\">.<\/span><span class=\"token function\">setForeground<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Color<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">RED<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        mainPanel<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>messageLabel<span class=\"token punctuation\">,<\/span> gbc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6dfb\u52a0\u4e8b\u4ef6\u76d1\u542c<\/span><br \/>\n        loginButton<span class=\"token punctuation\">.<\/span><span class=\"token function\">addActionListener<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ActionListener<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n            <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">actionPerformed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ActionEvent<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token function\">handleLogin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        resetButton<span class=\"token punctuation\">.<\/span><span class=\"token function\">addActionListener<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ActionListener<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n            <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">actionPerformed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ActionEvent<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                usernameField<span class=\"token punctuation\">.<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                passwordField<span class=\"token punctuation\">.<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                messageLabel<span class=\"token punctuation\">.<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034; &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>mainPanel<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">handleLogin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> username <span class=\"token operator\">&#061;<\/span> usernameField<span class=\"token punctuation\">.<\/span><span class=\"token function\">getText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> password <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">(<\/span>passwordField<span class=\"token punctuation\">.<\/span><span class=\"token function\">getPassword<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u7b80\u5355\u9a8c\u8bc1&#xff08;\u5b9e\u9645\u9879\u76ee\u4e2d\u5e94\u8fde\u63a5\u6570\u636e\u5e93\u9a8c\u8bc1&#xff09;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;admin&#034;<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">equals<\/span><span class=\"token punctuation\">(<\/span>username<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token string\">&#034;123456&#034;<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">equals<\/span><span class=\"token punctuation\">(<\/span>password<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            messageLabel<span class=\"token punctuation\">.<\/span><span class=\"token function\">setForeground<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Color<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">128<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            messageLabel<span class=\"token punctuation\">.<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u767b\u5f55\u6210\u529f&#xff01;\u6b22\u8fce &#034;<\/span> <span class=\"token operator\">&#043;<\/span> username<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            messageLabel<span class=\"token punctuation\">.<\/span><span class=\"token function\">setForeground<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Color<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">RED<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            messageLabel<span class=\"token punctuation\">.<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u7528\u6237\u540d\u6216\u5bc6\u7801\u9519\u8bef&#xff01;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">SwingUtilities<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">invokeLater<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Runnable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n            <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">run<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">LoginFrame<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">setVisible<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>6. JavaFX \u5165\u95e8<\/h3>\n<h4>6.1 JavaFX \u7b80\u4ecb<\/h4>\n<p>JavaFX \u662f Java \u5e73\u53f0\u4e0a\u7684\u4e0b\u4e00\u4ee3 GUI \u5de5\u5177\u5305&#xff0c;\u5b83\u63d0\u4f9b\u4e86\u66f4\u73b0\u4ee3\u5316\u7684 UI \u7ec4\u4ef6\u3001CSS \u6837\u5f0f\u652f\u6301\u548c\u786c\u4ef6\u52a0\u901f\u6e32\u67d3\u80fd\u529b\u3002\u4ece JDK 11 \u5f00\u59cb&#xff0c;JavaFX \u4ece JDK \u4e2d\u5206\u79bb\u51fa\u6765&#xff0c;\u9700\u8981\u5355\u72ec\u5f15\u5165\u4f9d\u8d56\u3002<\/p>\n<h5>6.1.1 \u901a\u8fc7 Maven \u5f15\u5165 JavaFX \u4f9d\u8d56<\/h5>\n<p>\u5728 pom.xml \u4e2d\u6dfb\u52a0 JavaFX \u4f9d\u8d56\u3002\u4ee5 JavaFX 21 \u4e3a\u4f8b&#xff0c;\u9700\u8981\u5f15\u5165 javafx-controls \u6a21\u5757&#xff0c;\u5e76\u6839\u636e\u64cd\u4f5c\u7cfb\u7edf\u5f15\u5165\u5bf9\u5e94\u7684\u5e73\u53f0\u4f9d\u8d56&#xff1a;<\/p>\n<p><span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>dependencies<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token comment\">&lt;!&#8211; JavaFX \u6838\u5fc3\u63a7\u4ef6\u6a21\u5757 &#8211;&gt;<\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>org.openjfx<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>javafx-controls<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>21.0.2<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><\/p>\n<p>    <span class=\"token comment\">&lt;!&#8211; \u6839\u636e\u64cd\u4f5c\u7cfb\u7edf\u5f15\u5165\u5bf9\u5e94\u5e73\u53f0\u4f9d\u8d56&#xff08;Windows&#xff09; &#8211;&gt;<\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>org.openjfx<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>javafx-controls<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>21.0.2<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>classifier<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>win<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>classifier<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependencies<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><\/p>\n<p>\u63d0\u793a&#xff1a;classifier \u6839\u636e\u64cd\u4f5c\u7cfb\u7edf\u9009\u62e9&#xff0c;Windows \u4e3a win&#xff0c;macOS \u4e3a mac&#xff0c;Linux \u4e3a linux\u3002\u5982\u679c\u4f7f\u7528 JavaFX \u7684 FXML \u529f\u80fd&#xff0c;\u8fd8\u9700\u8981\u989d\u5916\u5f15\u5165 javafx-fxml \u6a21\u5757\u3002<\/p>\n<h5>6.1.2 \u901a\u8fc7 Gradle \u5f15\u5165 JavaFX \u4f9d\u8d56<\/h5>\n<p>\u5728 build.gradle \u4e2d\u6dfb\u52a0 JavaFX \u4f9d\u8d56&#xff1a;<\/p>\n<p>plugins <span class=\"token punctuation\">{<\/span><br \/>\n    id <span class=\"token string\">&#039;application&#039;<\/span><br \/>\n    id <span class=\"token string\">&#039;org.openjfx.javafxplugin&#039;<\/span> version <span class=\"token string\">&#039;0.1.0&#039;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>repositories <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">mavenCentral<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u914d\u7f6e JavaFX \u7248\u672c\u548c\u6240\u9700\u6a21\u5757<\/span><br \/>\njavafx <span class=\"token punctuation\">{<\/span><br \/>\n    version <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;21.0.2&#039;<\/span><br \/>\n    modules <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;javafx.controls&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;javafx.fxml&#039;<\/span><span class=\"token punctuation\">]<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6307\u5b9a\u4e3b\u7c7b<\/span><br \/>\napplication <span class=\"token punctuation\">{<\/span><br \/>\n    mainClass <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;com.example.HelloJavaFX&#039;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h5>6.1.3 \u5728 IntelliJ IDEA \u4e2d\u914d\u7f6e JavaFX SDK<\/h5>\n<p>\u5982\u679c\u4e0d\u60f3\u4f7f\u7528\u6784\u5efa\u5de5\u5177&#xff0c;\u4e5f\u53ef\u4ee5\u76f4\u63a5\u4e0b\u8f7d JavaFX SDK \u5e76\u5728 IDEA \u4e2d\u624b\u52a8\u914d\u7f6e&#xff1a;<\/p>\n<li>\u524d\u5f80 OpenJFX \u5b98\u7f51 \u4e0b\u8f7d\u5bf9\u5e94\u64cd\u4f5c\u7cfb\u7edf\u7684 JavaFX SDK \u538b\u7f29\u5305\u5e76\u89e3\u538b\u3002<\/li>\n<li>\u6253\u5f00 IntelliJ IDEA&#xff0c;\u8fdb\u5165 File \u2192 Project Structure \u2192 Libraries&#xff0c;\u70b9\u51fb &#043; \u6dfb\u52a0 Java \u5e93&#xff0c;\u9009\u62e9\u89e3\u538b\u540e\u7684 lib \u76ee\u5f55\u3002<\/li>\n<li>\u5728 Modules \u2192 Dependencies \u4e2d\u786e\u8ba4 JavaFX \u5e93\u5df2\u6dfb\u52a0\u5230\u5f53\u524d\u6a21\u5757\u3002<\/li>\n<h5>6.1.4 \u914d\u7f6e VM \u53c2\u6570<\/h5>\n<p>\u8fd0\u884c JavaFX \u5e94\u7528\u65f6&#xff0c;\u9700\u8981\u6307\u5b9a\u6a21\u5757\u8def\u5f84&#xff0c;\u5426\u5219\u4f1a\u62a5 JavaFX runtime components are missing \u9519\u8bef\u3002\u5728 IDEA \u4e2d\u914d\u7f6e VM \u53c2\u6570&#xff1a;<\/p>\n<li>\u70b9\u51fb Run \u2192 Edit Configurations&#xff0c;\u9009\u62e9\u4f60\u7684\u4e3b\u7c7b\u8fd0\u884c\u914d\u7f6e\u3002<\/li>\n<li>\u5728 VM options \u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u53c2\u6570&#xff08;\u8def\u5f84\u66ff\u6362\u4e3a\u4f60\u7684 SDK \u5b9e\u9645\u8def\u5f84&#xff09;&#xff1a;<\/li>\n<p>&#8211;module-path &#034;D:\/javafx-sdk-21.0.2\/lib&#034; &#8211;add-modules javafx.controls,javafx.fxml<\/p>\n<li>\u70b9\u51fb Apply \u4fdd\u5b58\u914d\u7f6e&#xff0c;\u7136\u540e\u8fd0\u884c\u4e3b\u7c7b\u5373\u53ef\u6b63\u5e38\u542f\u52a8 JavaFX \u5e94\u7528\u3002<\/li>\n<p>\u914d\u7f6e\u5b8c\u6210\u540e&#xff0c;\u5c31\u53ef\u4ee5\u987a\u5229\u8fd0\u884c\u540e\u7eed\u7684 JavaFX \u793a\u4f8b\u4ee3\u7801\u4e86\u3002<\/p>\n<h4>6.2 \u7b2c\u4e00\u4e2a JavaFX \u5e94\u7528<\/h4>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javafx<span class=\"token punctuation\">.<\/span>application<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Application<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javafx<span class=\"token punctuation\">.<\/span>scene<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Scene<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javafx<span class=\"token punctuation\">.<\/span>scene<span class=\"token punctuation\">.<\/span>control<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Button<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javafx<span class=\"token punctuation\">.<\/span>scene<span class=\"token punctuation\">.<\/span>control<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Label<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javafx<span class=\"token punctuation\">.<\/span>scene<span class=\"token punctuation\">.<\/span>layout<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">VBox<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javafx<span class=\"token punctuation\">.<\/span>stage<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Stage<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">HelloJavaFX<\/span> <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">Application<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Stage<\/span> primaryStage<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u521b\u5efa\u6807\u7b7e\u548c\u6309\u94ae<\/span><br \/>\n        <span class=\"token class-name\">Label<\/span> label <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Label<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6b22\u8fce\u4f7f\u7528 JavaFX&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">Button<\/span> button <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u70b9\u51fb\u6211&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u4e3a\u6309\u94ae\u6dfb\u52a0\u4e8b\u4ef6\u5904\u7406<\/span><br \/>\n        button<span class=\"token punctuation\">.<\/span><span class=\"token function\">setOnAction<\/span><span class=\"token punctuation\">(<\/span>e <span class=\"token operator\">-&gt;<\/span> label<span class=\"token punctuation\">.<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u4f60\u70b9\u51fb\u4e86\u6309\u94ae&#xff01;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u521b\u5efa\u5782\u76f4\u5e03\u5c40\u5bb9\u5668<\/span><br \/>\n        <span class=\"token class-name\">VBox<\/span> root <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">VBox<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> label<span class=\"token punctuation\">,<\/span> button<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        root<span class=\"token punctuation\">.<\/span><span class=\"token function\">setStyle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;-fx-padding: 20; -fx-alignment: center;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u521b\u5efa\u573a\u666f\u5e76\u8bbe\u7f6e\u5230\u821e\u53f0<\/span><br \/>\n        <span class=\"token class-name\">Scene<\/span> scene <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Scene<\/span><span class=\"token punctuation\">(<\/span>root<span class=\"token punctuation\">,<\/span> <span class=\"token number\">300<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        primaryStage<span class=\"token punctuation\">.<\/span><span class=\"token function\">setTitle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;JavaFX \u5165\u95e8\u793a\u4f8b&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        primaryStage<span class=\"token punctuation\">.<\/span><span class=\"token function\">setScene<\/span><span class=\"token punctuation\">(<\/span>scene<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        primaryStage<span class=\"token punctuation\">.<\/span><span class=\"token function\">show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">launch<\/span><span class=\"token punctuation\">(<\/span>args<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>6.3 \u4f7f\u7528 FXML \u5206\u79bb\u754c\u9762\u4e0e\u903b\u8f91<\/h4>\n<h4>6.4 JavaFX \u5b9e\u6218&#xff1a;\u767b\u5f55\u754c\u9762<\/h4>\n<p>\u7efc\u5408\u4ee5\u4e0a\u77e5\u8bc6&#xff0c;\u6211\u4eec\u7528 FXML \u6784\u5efa\u4e00\u4e2a\u5b8c\u6574\u7684 JavaFX \u767b\u5f55\u754c\u9762&#xff0c;\u5b9e\u73b0\u4e0e\u7b2c 5 \u8282 Swing \u767b\u5f55\u754c\u9762\u76f8\u540c\u7684\u529f\u80fd&#xff08;\u7528\u6237\u540d\u5bc6\u7801\u9a8c\u8bc1\u3001\u6210\u529f\/\u5931\u8d25\u63d0\u793a&#xff09;\u3002\u9879\u76ee\u7ed3\u6784\u5982\u4e0b&#xff1a;<\/p>\n<p>src\/<br \/>\n\u2514\u2500\u2500 com\/example\/<br \/>\n    \u251c\u2500\u2500 LoginApp.java      \/\/ \u542f\u52a8\u7c7b<br \/>\n    \u251c\u2500\u2500 LoginController.java  \/\/ \u63a7\u5236\u5668\u7c7b<br \/>\n    \u2514\u2500\u2500 login.fxml         \/\/ \u754c\u9762\u5e03\u5c40\u6587\u4ef6<\/p>\n<p>\u9996\u5148\u662f FXML \u754c\u9762\u6587\u4ef6 login.fxml&#xff0c;\u8d1f\u8d23\u63cf\u8ff0\u754c\u9762\u7ed3\u6784&#xff1a;<\/p>\n<p><span class=\"token prolog\">&lt;?xml version&#061;&#034;1.0&#034; encoding&#061;&#034;UTF-8&#034;?&gt;<\/span><\/p>\n<p><span class=\"token prolog\">&lt;?import javafx.scene.control.*?&gt;<\/span><br \/>\n<span class=\"token prolog\">&lt;?import javafx.scene.layout.*?&gt;<\/span><\/p>\n<p><span class=\"token comment\">&lt;!&#8211; \u6839\u5bb9\u5668&#xff1a;\u5782\u76f4\u6392\u5217&#xff0c;\u5c45\u4e2d\u663e\u793a&#xff0c;\u95f4\u8ddd 10 &#8211;&gt;<\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>VBox<\/span> <span class=\"token attr-name\">spacing<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>10<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">alignment<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>CENTER<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\"><span class=\"token namespace\">xmlns:<\/span>fx<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>http:\/\/javafx.com\/fxml<span class=\"token punctuation\">&#034;<\/span><\/span><br \/>\n      <span class=\"token attr-name\"><span class=\"token namespace\">fx:<\/span>controller<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>com.example.LoginController<span class=\"token punctuation\">&#034;<\/span><\/span><br \/>\n      <span class=\"token special-attr\"><span class=\"token attr-name\">style<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span><span class=\"token value css language-css\"><span class=\"token property\">-fx-padding<\/span><span class=\"token punctuation\">:<\/span> 30<span class=\"token punctuation\">;<\/span> <span class=\"token property\">-fx-background-color<\/span><span class=\"token punctuation\">:<\/span> #f5f5f5<span class=\"token punctuation\">;<\/span><\/span><span class=\"token punctuation\">&#034;<\/span><\/span><\/span><span class=\"token punctuation\">&gt;<\/span><\/span><\/p>\n<p>    <span class=\"token comment\">&lt;!&#8211; \u6807\u9898\u6807\u7b7e &#8211;&gt;<\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>Label<\/span> <span class=\"token attr-name\">text<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>\u7528\u6237\u767b\u5f55<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token special-attr\"><span class=\"token attr-name\">style<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span><span class=\"token value css language-css\"><span class=\"token property\">-fx-font-size<\/span><span class=\"token punctuation\">:<\/span> 22px<span class=\"token punctuation\">;<\/span> <span class=\"token property\">-fx-font-weight<\/span><span class=\"token punctuation\">:<\/span> bold<span class=\"token punctuation\">;<\/span><\/span><span class=\"token punctuation\">&#034;<\/span><\/span><\/span><span class=\"token punctuation\">\/&gt;<\/span><\/span><\/p>\n<p>    <span class=\"token comment\">&lt;!&#8211; \u7528\u6237\u540d\u8f93\u5165\u6846 &#8211;&gt;<\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>TextField<\/span> <span class=\"token attr-name\"><span class=\"token namespace\">fx:<\/span>id<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>usernameField<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">promptText<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>\u8bf7\u8f93\u5165\u7528\u6237\u540d<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">maxWidth<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>220<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">\/&gt;<\/span><\/span><\/p>\n<p>    <span class=\"token comment\">&lt;!&#8211; \u5bc6\u7801\u8f93\u5165\u6846 &#8211;&gt;<\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>PasswordField<\/span> <span class=\"token attr-name\"><span class=\"token namespace\">fx:<\/span>id<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>passwordField<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">promptText<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>\u8bf7\u8f93\u5165\u5bc6\u7801<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">maxWidth<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>220<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">\/&gt;<\/span><\/span><\/p>\n<p>    <span class=\"token comment\">&lt;!&#8211; \u6309\u94ae\u884c&#xff1a;\u6c34\u5e73\u6392\u5217 &#8211;&gt;<\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>HBox<\/span> <span class=\"token attr-name\">spacing<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>10<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">alignment<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>CENTER<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>Button<\/span> <span class=\"token attr-name\">text<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>\u767b\u5f55<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">onAction<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>#handleLogin<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">prefWidth<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>80<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">\/&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>Button<\/span> <span class=\"token attr-name\">text<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>\u91cd\u7f6e<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">onAction<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>#handleReset<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">prefWidth<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>80<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">\/&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>HBox<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><\/p>\n<p>    <span class=\"token comment\">&lt;!&#8211; \u63d0\u793a\u4fe1\u606f\u6807\u7b7e&#xff08;\u9ed8\u8ba4\u9690\u85cf&#xff0c;\u767b\u5f55\u540e\u663e\u793a\u7ed3\u679c&#xff09; &#8211;&gt;<\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>Label<\/span> <span class=\"token attr-name\"><span class=\"token namespace\">fx:<\/span>id<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>messageLabel<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">text<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span><span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token special-attr\"><span class=\"token attr-name\">style<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span><span class=\"token value css language-css\"><span class=\"token property\">-fx-font-size<\/span><span class=\"token punctuation\">:<\/span> 14px<span class=\"token punctuation\">;<\/span><\/span><span class=\"token punctuation\">&#034;<\/span><\/span><\/span> <span class=\"token attr-name\">visible<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>false<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">\/&gt;<\/span><\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>VBox<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><\/p>\n<p>\u7136\u540e\u662f\u63a7\u5236\u5668\u7c7b LoginController.java&#xff0c;\u8d1f\u8d23\u5904\u7406\u767b\u5f55\u903b\u8f91&#xff1a;<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javafx<span class=\"token punctuation\">.<\/span>fxml<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">FXML<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javafx<span class=\"token punctuation\">.<\/span>scene<span class=\"token punctuation\">.<\/span>control<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Label<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javafx<span class=\"token punctuation\">.<\/span>scene<span class=\"token punctuation\">.<\/span>control<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">PasswordField<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javafx<span class=\"token punctuation\">.<\/span>scene<span class=\"token punctuation\">.<\/span>control<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">TextField<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">LoginController<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u901a\u8fc7 &#064;FXML \u6ce8\u89e3\u6ce8\u5165 FXML \u4e2d\u58f0\u660e\u7684\u7ec4\u4ef6<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;FXML<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">TextField<\/span> usernameField<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;FXML<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">PasswordField<\/span> passwordField<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;FXML<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">Label<\/span> messageLabel<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u767b\u5f55\u6309\u94ae\u7684\u70b9\u51fb\u4e8b\u4ef6\u5904\u7406\u65b9\u6cd5<br \/>\n     * \u65b9\u6cd5\u540d\u4e0e FXML \u4e2d onAction&#061;&#034;#handleLogin&#034; \u5bf9\u5e94<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;FXML<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">handleLogin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u83b7\u53d6\u7528\u6237\u8f93\u5165\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> username <span class=\"token operator\">&#061;<\/span> usernameField<span class=\"token punctuation\">.<\/span><span class=\"token function\">getText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> password <span class=\"token operator\">&#061;<\/span> passwordField<span class=\"token punctuation\">.<\/span><span class=\"token function\">getText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u7b80\u5355\u9a8c\u8bc1&#xff08;\u5b9e\u9645\u9879\u76ee\u4e2d\u5e94\u8fde\u63a5\u6570\u636e\u5e93\u9a8c\u8bc1&#xff09;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;admin&#034;<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">equals<\/span><span class=\"token punctuation\">(<\/span>username<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token string\">&#034;123456&#034;<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">equals<\/span><span class=\"token punctuation\">(<\/span>password<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u767b\u5f55\u6210\u529f&#xff1a;\u663e\u793a\u7eff\u8272\u63d0\u793a<\/span><br \/>\n            messageLabel<span class=\"token punctuation\">.<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u767b\u5f55\u6210\u529f&#xff01;\u6b22\u8fce &#034;<\/span> <span class=\"token operator\">&#043;<\/span> username<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            messageLabel<span class=\"token punctuation\">.<\/span><span class=\"token function\">setStyle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;-fx-text-fill: green;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u767b\u5f55\u5931\u8d25&#xff1a;\u663e\u793a\u7ea2\u8272\u63d0\u793a<\/span><br \/>\n            messageLabel<span class=\"token punctuation\">.<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u7528\u6237\u540d\u6216\u5bc6\u7801\u9519\u8bef&#xff01;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            messageLabel<span class=\"token punctuation\">.<\/span><span class=\"token function\">setStyle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;-fx-text-fill: red;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u663e\u793a\u63d0\u793a\u4fe1\u606f\u6807\u7b7e<\/span><br \/>\n        messageLabel<span class=\"token punctuation\">.<\/span><span class=\"token function\">setVisible<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u91cd\u7f6e\u6309\u94ae\u7684\u70b9\u51fb\u4e8b\u4ef6\u5904\u7406\u65b9\u6cd5<br \/>\n     * \u6e05\u7a7a\u8f93\u5165\u6846\u548c\u63d0\u793a\u4fe1\u606f<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;FXML<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">handleReset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        usernameField<span class=\"token punctuation\">.<\/span><span class=\"token function\">clear<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        passwordField<span class=\"token punctuation\">.<\/span><span class=\"token function\">clear<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        messageLabel<span class=\"token punctuation\">.<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        messageLabel<span class=\"token punctuation\">.<\/span><span class=\"token function\">setVisible<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u6700\u540e\u662f\u542f\u52a8\u7c7b LoginApp.java&#xff0c;\u8d1f\u8d23\u52a0\u8f7d FXML \u5e76\u542f\u52a8\u5e94\u7528&#xff1a;<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javafx<span class=\"token punctuation\">.<\/span>application<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Application<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javafx<span class=\"token punctuation\">.<\/span>fxml<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">FXMLLoader<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javafx<span class=\"token punctuation\">.<\/span>scene<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Parent<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javafx<span class=\"token punctuation\">.<\/span>scene<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Scene<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javafx<span class=\"token punctuation\">.<\/span>stage<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Stage<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * JavaFX \u767b\u5f55\u754c\u9762\u542f\u52a8\u7c7b<br \/>\n * \u8d1f\u8d23\u52a0\u8f7d FXML \u5e03\u5c40\u6587\u4ef6\u5e76\u542f\u52a8\u5e94\u7528<br \/>\n *\/<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">LoginApp<\/span> <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">Application<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Stage<\/span> primaryStage<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">Exception<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u52a0\u8f7d FXML \u5e03\u5c40\u6587\u4ef6&#xff08;login.fxml \u4e0e LoginApp.java \u4f4d\u4e8e\u540c\u4e00\u5305\u4e0b&#xff09;<\/span><br \/>\n        <span class=\"token class-name\">FXMLLoader<\/span> loader <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FXMLLoader<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">getClass<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getResource<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;login.fxml&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">Parent<\/span> root <span class=\"token operator\">&#061;<\/span> loader<span class=\"token punctuation\">.<\/span><span class=\"token function\">load<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u521b\u5efa\u573a\u666f\u5e76\u8bbe\u7f6e\u5230\u821e\u53f0<\/span><br \/>\n        <span class=\"token class-name\">Scene<\/span> scene <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Scene<\/span><span class=\"token punctuation\">(<\/span>root<span class=\"token punctuation\">,<\/span> <span class=\"token number\">360<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">260<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        primaryStage<span class=\"token punctuation\">.<\/span><span class=\"token function\">setTitle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;JavaFX \u767b\u5f55\u754c\u9762&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        primaryStage<span class=\"token punctuation\">.<\/span><span class=\"token function\">setScene<\/span><span class=\"token punctuation\">(<\/span>scene<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u7981\u6b62\u8c03\u6574\u7a97\u53e3\u5927\u5c0f&#xff0c;\u4fdd\u6301\u754c\u9762\u6574\u6d01<\/span><br \/>\n        primaryStage<span class=\"token punctuation\">.<\/span><span class=\"token function\">setResizable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u663e\u793a\u7a97\u53e3<\/span><br \/>\n        primaryStage<span class=\"token punctuation\">.<\/span><span class=\"token function\">show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u542f\u52a8 JavaFX \u5e94\u7528<\/span><br \/>\n        <span class=\"token function\">launch<\/span><span class=\"token punctuation\">(<\/span>args<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>\u8fd0\u884c\u8bf4\u660e<\/h4>\n<li>\u786e\u4fdd\u73af\u5883\u5c31\u7eea&#xff1a;\u6309\u7167 6.1 \u8282\u914d\u7f6e\u597d JavaFX \u4f9d\u8d56&#xff08;Maven\/Gradle&#xff09;\u6216 SDK \u4e0e VM \u53c2\u6570\u3002<\/li>\n<li>\u653e\u7f6e\u6587\u4ef6&#xff1a;\u5c06 LoginApp.java\u3001LoginController.java\u3001login.fxml \u4e09\u4e2a\u6587\u4ef6\u653e\u5728 src\/com\/example\/ \u76ee\u5f55\u4e0b&#xff08;\u4e0e\u5305\u540d com.example \u5bf9\u5e94&#xff09;\u3002<\/li>\n<li>\u8fd0\u884c\u4e3b\u7c7b&#xff1a;\u5728 IntelliJ IDEA \u4e2d\u53f3\u952e LoginApp.java&#xff0c;\u9009\u62e9 Run \u2018LoginApp.main()\u2019&#xff0c;\u6216\u5728\u547d\u4ee4\u884c\u6267\u884c mvn javafx:run&#xff08;Maven \u9879\u76ee&#xff09;\u6216 gradle run&#xff08;Gradle \u9879\u76ee&#xff09;\u3002<\/li>\n<h4>\u6548\u679c\u63cf\u8ff0<\/h4>\n<p>\u8fd0\u884c LoginApp \u540e&#xff0c;\u4f1a\u5f39\u51fa\u4e00\u4e2a\u6807\u9898\u4e3a\u300cJavaFX \u767b\u5f55\u754c\u9762\u300d\u7684\u7a97\u53e3&#xff0c;\u754c\u9762\u5305\u542b\u6807\u9898\u3001\u7528\u6237\u540d\u8f93\u5165\u6846\u3001\u5bc6\u7801\u8f93\u5165\u6846\u4ee5\u53ca\u300c\u767b\u5f55\u300d\u300c\u91cd\u7f6e\u300d\u4e24\u4e2a\u6309\u94ae&#xff1a;<\/p>\n<ul>\n<li>\u767b\u5f55\u6210\u529f&#xff1a;\u8f93\u5165\u7528\u6237\u540d admin\u3001\u5bc6\u7801 123456&#xff0c;\u70b9\u51fb\u300c\u767b\u5f55\u300d\u6309\u94ae&#xff0c;\u7a97\u53e3\u5e95\u90e8\u4f1a\u663e\u793a\u7eff\u8272\u7684\u300c\u767b\u5f55\u6210\u529f&#xff01;\u6b22\u8fce admin\u300d\u63d0\u793a\u3002<\/li>\n<li>\u767b\u5f55\u5931\u8d25&#xff1a;\u8f93\u5165\u9519\u8bef\u7684\u7528\u6237\u540d\u6216\u5bc6\u7801&#xff0c;\u70b9\u51fb\u300c\u767b\u5f55\u300d\u6309\u94ae&#xff0c;\u7a97\u53e3\u5e95\u90e8\u4f1a\u663e\u793a\u7ea2\u8272\u7684\u300c\u7528\u6237\u540d\u6216\u5bc6\u7801\u9519\u8bef&#xff01;\u300d\u63d0\u793a\u3002<\/li>\n<li>\u91cd\u7f6e&#xff1a;\u70b9\u51fb\u300c\u91cd\u7f6e\u300d\u6309\u94ae&#xff0c;\u7528\u6237\u540d\u548c\u5bc6\u7801\u8f93\u5165\u6846\u4f1a\u88ab\u6e05\u7a7a&#xff0c;\u63d0\u793a\u4fe1\u606f\u4e5f\u4f1a\u88ab\u9690\u85cf\u3002<\/li>\n<\/ul>\n<p>\u6574\u4e2a\u754c\u9762\u91c7\u7528 FXML \u58f0\u660e\u5f0f\u5e03\u5c40&#xff0c;\u914d\u5408 CSS \u5185\u8054\u6837\u5f0f&#xff0c;\u89c6\u89c9\u4e0a\u6bd4 Swing \u7248\u672c\u66f4\u73b0\u4ee3\u3001\u66f4\u7f8e\u89c2\u3002<\/p>\n<p>JavaFX \u652f\u6301\u4f7f\u7528 FXML \u6587\u4ef6\u63cf\u8ff0\u754c\u9762\u7ed3\u6784&#xff0c;\u5b9e\u73b0\u754c\u9762\u4e0e\u4e1a\u52a1\u903b\u8f91\u7684\u5206\u79bb&#xff1a;<\/p>\n<p><span class=\"token prolog\">&lt;?xml version&#061;&#034;1.0&#034; encoding&#061;&#034;UTF-8&#034;?&gt;<\/span><\/p>\n<p><span class=\"token prolog\">&lt;?import javafx.scene.control.*?&gt;<\/span><br \/>\n<span class=\"token prolog\">&lt;?import javafx.scene.layout.*?&gt;<\/span><\/p>\n<p><span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>VBox<\/span> <span class=\"token attr-name\">spacing<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>10<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">alignment<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>CENTER<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\"><span class=\"token namespace\">xmlns:<\/span>fx<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>http:\/\/javafx.com\/fxml<span class=\"token punctuation\">&#034;<\/span><\/span><br \/>\n      <span class=\"token attr-name\"><span class=\"token namespace\">fx:<\/span>controller<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>com.example.LoginController<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>Label<\/span> <span class=\"token attr-name\">text<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>\u7528\u6237\u767b\u5f55<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token special-attr\"><span class=\"token attr-name\">style<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span><span class=\"token value css language-css\"><span class=\"token property\">-fx-font-size<\/span><span class=\"token punctuation\">:<\/span> 20px<span class=\"token punctuation\">;<\/span> <span class=\"token property\">-fx-font-weight<\/span><span class=\"token punctuation\">:<\/span> bold<span class=\"token punctuation\">;<\/span><\/span><span class=\"token punctuation\">&#034;<\/span><\/span><\/span><span class=\"token punctuation\">\/&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>TextField<\/span> <span class=\"token attr-name\"><span class=\"token namespace\">fx:<\/span>id<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>usernameField<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">promptText<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>\u8bf7\u8f93\u5165\u7528\u6237\u540d<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">\/&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>PasswordField<\/span> <span class=\"token attr-name\"><span class=\"token namespace\">fx:<\/span>id<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>passwordField<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">promptText<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>\u8bf7\u8f93\u5165\u5bc6\u7801<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">\/&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>Button<\/span> <span class=\"token attr-name\">text<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>\u767b\u5f55<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">onAction<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>#handleLogin<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">\/&gt;<\/span><\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>VBox<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><\/p>\n<p>\u5bf9\u5e94\u7684\u63a7\u5236\u5668\u7c7b&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javafx<span class=\"token punctuation\">.<\/span>fxml<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">FXML<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javafx<span class=\"token punctuation\">.<\/span>scene<span class=\"token punctuation\">.<\/span>control<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">PasswordField<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javafx<span class=\"token punctuation\">.<\/span>scene<span class=\"token punctuation\">.<\/span>control<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">TextField<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">LoginController<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;FXML<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">TextField<\/span> usernameField<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;FXML<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">PasswordField<\/span> passwordField<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;FXML<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">handleLogin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> username <span class=\"token operator\">&#061;<\/span> usernameField<span class=\"token punctuation\">.<\/span><span class=\"token function\">getText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> password <span class=\"token operator\">&#061;<\/span> passwordField<span class=\"token punctuation\">.<\/span><span class=\"token function\">getText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u767b\u5f55\u5c1d\u8bd5&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> username <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034; \/ &#034;<\/span> <span class=\"token operator\">&#043;<\/span> password<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>7. Swing \u4e0e JavaFX \u5bf9\u6bd4\u603b\u7ed3<\/h3>\n<p>\u4e0b\u9762\u4ece\u5b66\u4e60\u66f2\u7ebf\u3001\u7ec4\u4ef6\u4e30\u5bcc\u5ea6\u3001CSS \u652f\u6301\u3001FXML \u5206\u79bb\u3001\u6027\u80fd\u8868\u73b0\u3001\u793e\u533a\u6d3b\u8dc3\u5ea6\u3001\u9002\u7528\u573a\u666f\u7b49\u7ef4\u5ea6&#xff0c;\u5bf9 Swing \u4e0e JavaFX \u8fdb\u884c\u8be6\u7ec6\u5bf9\u6bd4&#xff1a;<\/p>\n<table>\n<tr>\u5bf9\u6bd4\u7ef4\u5ea6SwingJavaFX<\/tr>\n<tbody>\n<tr>\n<td>\u5b66\u4e60\u66f2\u7ebf<\/td>\n<td>\u8f83\u4f4e&#xff0c;API \u7b80\u5355\u76f4\u89c2&#xff0c;\u9002\u5408\u521d\u5b66\u8005\u5feb\u901f\u4e0a\u624b<\/td>\n<td>\u4e2d\u7b49&#xff0c;\u9700\u8981\u7406\u89e3\u573a\u666f&#xff08;Scene&#xff09;\u3001\u821e\u53f0&#xff08;Stage&#xff09;\u3001FXML \u7b49\u65b0\u6982\u5ff5<\/td>\n<\/tr>\n<tr>\n<td>\u7ec4\u4ef6\u4e30\u5bcc\u5ea6<\/td>\n<td>\u7ec4\u4ef6\u5e93\u6210\u719f&#xff0c;\u4f46\u6837\u5f0f\u504f\u8001\u65e7<\/td>\n<td>\u7ec4\u4ef6\u66f4\u73b0\u4ee3&#xff0c;\u652f\u6301\u56fe\u8868&#xff08;Charts&#xff09;\u3001\u5a92\u4f53&#xff08;Media&#xff09;\u7b49\u9ad8\u7ea7\u63a7\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>CSS \u652f\u6301<\/td>\n<td>\u4e0d\u652f\u6301&#xff0c;\u754c\u9762\u6837\u5f0f\u9700\u901a\u8fc7\u4ee3\u7801\u786c\u7f16\u7801<\/td>\n<td>\u652f\u6301 CSS \u6837\u5f0f\u8868&#xff0c;\u53ef\u8f7b\u677e\u5b9e\u73b0\u4e3b\u9898\u6362\u80a4\u548c\u7f8e\u5316<\/td>\n<\/tr>\n<tr>\n<td>FXML \u5206\u79bb<\/td>\n<td>\u4e0d\u652f\u6301&#xff0c;\u754c\u9762\u4e0e\u903b\u8f91\u8026\u5408\u5728 Java \u4ee3\u7801\u4e2d<\/td>\n<td>\u652f\u6301 FXML \u58f0\u660e\u5f0f\u5e03\u5c40&#xff0c;\u5b9e\u73b0\u754c\u9762\u4e0e\u4e1a\u52a1\u903b\u8f91\u5206\u79bb<\/td>\n<\/tr>\n<tr>\n<td>\u6027\u80fd\u8868\u73b0<\/td>\n<td>\u57fa\u4e8e AWT \u7684\u8f7b\u91cf\u7ea7\u7ec4\u4ef6&#xff0c;\u6e32\u67d3\u4f9d\u8d56 CPU<\/td>\n<td>\u652f\u6301\u786c\u4ef6\u52a0\u901f\u6e32\u67d3&#xff0c;\u52a8\u753b\u548c\u590d\u6742\u754c\u9762\u66f4\u6d41\u7545<\/td>\n<\/tr>\n<tr>\n<td>\u793e\u533a\u6d3b\u8dc3\u5ea6<\/td>\n<td>\u6210\u719f\u7a33\u5b9a&#xff0c;\u4f46\u66f4\u65b0\u7f13\u6162&#xff0c;\u8d8b\u4e8e\u7ef4\u62a4\u72b6\u6001<\/td>\n<td>\u6301\u7eed\u66f4\u65b0&#xff0c;\u793e\u533a\u6d3b\u8dc3&#xff0c;\u65b0\u7279\u6027\u8fed\u4ee3\u8f83\u5feb<\/td>\n<\/tr>\n<tr>\n<td>\u9002\u7528\u573a\u666f<\/td>\n<td>\u7ef4\u62a4\u8001\u9879\u76ee\u3001\u5feb\u901f\u5f00\u53d1\u7b80\u5355\u5de5\u5177\u3001\u5b66\u4e60\u5165\u95e8<\/td>\n<td>\u65b0\u9879\u76ee\u9996\u9009\u3001\u5bcc\u5ba2\u6237\u7aef\u5e94\u7528\u3001\u9700\u8981\u73b0\u4ee3\u5316 UI \u7684\u9879\u76ee<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>7.1 \u5982\u4f55\u6839\u636e\u9879\u76ee\u9700\u6c42\u9009\u62e9<\/h4>\n<p>\u901a\u8fc7\u4e0a\u9762\u7684\u5bf9\u6bd4\u53ef\u4ee5\u770b\u51fa&#xff0c;Swing \u4e0e JavaFX \u5404\u6709\u4f18\u52bf&#xff0c;\u9009\u62e9\u54ea\u4e2a\u6846\u67b6\u4e3b\u8981\u53d6\u51b3\u4e8e\u4f60\u7684\u9879\u76ee\u9700\u6c42&#xff1a;<\/p>\n<ul>\n<li>\u5982\u679c\u4f60\u662f\u521d\u5b66\u8005&#xff0c;\u5efa\u8bae\u4ece Swing \u5165\u624b\u3002\u5b83\u7684 API \u7b80\u5355\u76f4\u89c2&#xff0c;\u5b66\u4e60\u66f2\u7ebf\u5e73\u7f13&#xff0c;\u80fd\u5e2e\u52a9\u4f60\u5feb\u901f\u7406\u89e3 GUI \u7f16\u7a0b\u7684\u6838\u5fc3\u6982\u5ff5&#xff08;\u4e8b\u4ef6\u6a21\u578b\u3001\u5e03\u5c40\u7ba1\u7406\u7b49&#xff09;&#xff0c;\u4e3a\u540e\u7eed\u5b66\u4e60\u6253\u4e0b\u575a\u5b9e\u57fa\u7840\u3002<\/li>\n<li>\u5982\u679c\u4f60\u5728\u7ef4\u62a4\u8001\u9879\u76ee&#xff0c;\u4e14\u9879\u76ee\u57fa\u4e8e Swing \u6784\u5efa&#xff0c;\u90a3\u4e48\u7ee7\u7eed\u4f7f\u7528 Swing \u662f\u5408\u7406\u7684\u9009\u62e9\u3002Swing \u6210\u719f\u7a33\u5b9a&#xff0c;\u793e\u533a\u8d44\u6599\u4e30\u5bcc&#xff0c;\u9047\u5230\u95ee\u9898\u5bb9\u6613\u627e\u5230\u89e3\u51b3\u65b9\u6848\u3002<\/li>\n<li>\u5982\u679c\u4f60\u5728\u5f00\u53d1\u65b0\u9879\u76ee&#xff0c;\u5c24\u5176\u662f\u9700\u8981\u73b0\u4ee3\u5316 UI\u3001\u590d\u6742\u52a8\u753b\u6216\u5bcc\u5ba2\u6237\u7aef\u4ea4\u4e92\u7684\u5e94\u7528&#xff0c;\u5efa\u8bae\u4f18\u5148\u9009\u62e9 JavaFX\u3002\u5b83\u652f\u6301 CSS \u6837\u5f0f\u3001FXML \u754c\u9762\u5206\u79bb\u548c\u786c\u4ef6\u52a0\u901f&#xff0c;\u80fd\u663e\u8457\u63d0\u5347\u5f00\u53d1\u6548\u7387\u548c\u7528\u6237\u4f53\u9a8c\u3002<\/li>\n<li>\u5982\u679c\u4f60\u9700\u8981\u5feb\u901f\u4ea4\u4ed8\u4e00\u4e2a\u7b80\u5355\u5de5\u5177&#xff0c;Swing \u7684\u8f7b\u91cf\u7ea7\u7279\u6027\u53ef\u4ee5\u8ba9\u4f60\u7528\u66f4\u5c11\u7684\u4ee3\u7801\u5feb\u901f\u5b9e\u73b0\u529f\u80fd&#xff0c;\u9002\u5408\u5185\u90e8\u5de5\u5177\u6216\u539f\u578b\u9a8c\u8bc1\u3002<\/li>\n<\/ul>\n<p>\u603b\u4e4b&#xff0c;\u6280\u672f\u9009\u578b\u6ca1\u6709\u7edd\u5bf9\u7684\u4f18\u52a3&#xff0c;\u5173\u952e\u5728\u4e8e\u5339\u914d\u9879\u76ee\u9700\u6c42\u3002\u5efa\u8bae\u5148\u660e\u786e\u9879\u76ee\u7684\u76ee\u6807\u7528\u6237\u3001\u754c\u9762\u590d\u6742\u5ea6\u3001\u7ef4\u62a4\u5468\u671f\u548c\u56e2\u961f\u6280\u672f\u50a8\u5907&#xff0c;\u518d\u7ed3\u5408\u4e0a\u8868\u505a\u51fa\u5408\u7406\u51b3\u7b56\u3002\u65e0\u8bba\u9009\u62e9\u54ea\u4e2a\u6846\u67b6&#xff0c;\u624e\u5b9e\u638c\u63e1 GUI \u7f16\u7a0b\u7684\u6838\u5fc3\u601d\u60f3&#xff08;\u4e8b\u4ef6\u9a71\u52a8\u3001\u5e03\u5c40\u7ba1\u7406\u3001\u7ebf\u7a0b\u6a21\u578b&#xff09;\u624d\u662f\u6700\u91cd\u8981\u7684\u3002<\/p>\n<h3>8. \u5e38\u89c1\u95ee\u9898\u4e0e\u8c03\u8bd5\u6280\u5de7<\/h3>\n<h4>8.1 \u754c\u9762\u4e0d\u663e\u793a<\/h4>\n<ul>\n<li>\u68c0\u67e5\u662f\u5426\u8c03\u7528\u4e86 setVisible(true)<\/li>\n<li>\u786e\u8ba4 main \u65b9\u6cd5\u4e2d\u662f\u5426\u6b63\u786e\u521b\u5efa\u4e86\u7a97\u53e3\u5bf9\u8c61<\/li>\n<li>\u67e5\u770b\u63a7\u5236\u53f0\u662f\u5426\u6709\u5f02\u5e38\u5806\u6808\u8f93\u51fa<\/li>\n<\/ul>\n<h4>8.2 \u4e2d\u6587\u4e71\u7801<\/h4>\n<ul>\n<li>\u786e\u4fdd\u6e90\u6587\u4ef6\u7f16\u7801\u4e3a UTF-8<\/li>\n<li>\u5728 IDE \u4e2d\u8bbe\u7f6e\u9879\u76ee\u7f16\u7801\u4e3a UTF-8<\/li>\n<li>\u7f16\u8bd1\u65f6\u6307\u5b9a -encoding UTF-8 \u53c2\u6570<\/li>\n<\/ul>\n<h4>8.3 \u4e8b\u4ef6\u4e0d\u54cd\u5e94<\/h4>\n<ul>\n<li>\u786e\u8ba4\u662f\u5426\u6b63\u786e\u6dfb\u52a0\u4e86\u76d1\u542c\u5668<\/li>\n<li>\u68c0\u67e5\u7ec4\u4ef6\u662f\u5426\u88ab\u5176\u4ed6\u7ec4\u4ef6\u906e\u6321<\/li>\n<li>\u786e\u8ba4\u4e8b\u4ef6\u5904\u7406\u65b9\u6cd5\u7b7e\u540d\u662f\u5426\u6b63\u786e<\/li>\n<\/ul>\n<h4>8.4 \u7ebf\u7a0b\u95ee\u9898<\/h4>\n<p>Swing \u548c JavaFX \u90fd\u662f\u5355\u7ebf\u7a0b\u6a21\u578b&#xff0c;\u6240\u6709 UI \u64cd\u4f5c\u5fc5\u987b\u5728\u4e8b\u4ef6\u5206\u53d1\u7ebf\u7a0b&#xff08;EDT&#xff09;\u4e2d\u6267\u884c\u3002\u8017\u65f6\u64cd\u4f5c\u5e94\u653e\u5728\u540e\u53f0\u7ebf\u7a0b&#xff0c;\u7136\u540e\u901a\u8fc7 SwingUtilities.invokeLater \u6216 Platform.runLater \u66f4\u65b0\u754c\u9762\u3002<\/p>\n<h5>Swing \u4e0e JavaFX \u7ebf\u7a0b\u6a21\u578b\u5bf9\u6bd4<\/h5>\n<table>\n<tr>\u5bf9\u6bd4\u7ef4\u5ea6SwingJavaFX<\/tr>\n<tbody>\n<tr>\n<td>UI \u7ebf\u7a0b\u540d\u79f0<\/td>\n<td>\u4e8b\u4ef6\u5206\u53d1\u7ebf\u7a0b&#xff08;EDT&#xff0c;Event Dispatch Thread&#xff09;<\/td>\n<td>JavaFX \u5e94\u7528\u7ebf\u7a0b&#xff08;FX Application Thread&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u540e\u53f0\u4efb\u52a1\u5de5\u5177<\/td>\n<td>SwingWorker<\/td>\n<td>Task \/ Service<\/td>\n<\/tr>\n<tr>\n<td>\u5207\u56de UI \u7ebf\u7a0b\u66f4\u65b0<\/td>\n<td>SwingUtilities.invokeLater<\/td>\n<td>Platform.runLater<\/td>\n<\/tr>\n<tr>\n<td>\u7ebf\u7a0b\u5b89\u5168\u7ec4\u4ef6<\/td>\n<td>\u7edd\u5927\u591a\u6570\u7ec4\u4ef6\u975e\u7ebf\u7a0b\u5b89\u5168&#xff0c;\u53ea\u80fd\u5728 EDT \u4e2d\u8bbf\u95ee<\/td>\n<td>\u573a\u666f\u56fe&#xff08;Scene Graph&#xff09;\u975e\u7ebf\u7a0b\u5b89\u5168&#xff0c;\u53ea\u80fd\u5728 FX \u7ebf\u7a0b\u4e2d\u4fee\u6539<\/td>\n<\/tr>\n<tr>\n<td>\u8017\u65f6\u64cd\u4f5c\u5904\u7406<\/td>\n<td>\u653e\u5165 SwingWorker.doInBackground()<\/td>\n<td>\u653e\u5165 Task.call()<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6838\u5fc3\u539f\u5219&#xff1a;\u65e0\u8bba\u4f7f\u7528\u54ea\u4e2a\u6846\u67b6&#xff0c;\u90fd\u7981\u6b62\u5728\u540e\u53f0\u7ebf\u7a0b\u4e2d\u76f4\u63a5\u64cd\u4f5c UI \u7ec4\u4ef6&#xff0c;\u5426\u5219\u4f1a\u5f15\u53d1\u754c\u9762\u5361\u987f\u3001\u6e32\u67d3\u5f02\u5e38\u751a\u81f3\u7a0b\u5e8f\u5d29\u6e83\u3002\u6b63\u786e\u505a\u6cd5\u662f&#xff1a;\u8017\u65f6\u4efb\u52a1\u5728\u540e\u53f0\u7ebf\u7a0b\u6267\u884c&#xff0c;\u4efb\u52a1\u5b8c\u6210\u540e\u901a\u8fc7\u56de\u8c03\u673a\u5236\u5207\u56de UI \u7ebf\u7a0b\u66f4\u65b0\u754c\u9762\u3002<\/p>\n<h5>Swing \u793a\u4f8b&#xff1a;\u4f7f\u7528 SwingWorker \u6267\u884c\u540e\u53f0\u4efb\u52a1<\/h5>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>swing<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>awt<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">List<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">SwingWorkerDemo<\/span> <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">JFrame<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">JLabel<\/span> statusLabel<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">JButton<\/span> startButton<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">JProgressBar<\/span> progressBar<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">SwingWorkerDemo<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">setTitle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;SwingWorker \u793a\u4f8b&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">setSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">350<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">150<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">setDefaultCloseOperation<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">JFrame<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">EXIT_ON_CLOSE<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">setLocationRelativeTo<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">setLayout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FlowLayout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        statusLabel <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JLabel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u7b49\u5f85\u5f00\u59cb&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        startButton <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JButton<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5f00\u59cb\u4efb\u52a1&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        progressBar <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JProgressBar<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        progressBar<span class=\"token punctuation\">.<\/span><span class=\"token function\">setPreferredSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Dimension<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">300<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        startButton<span class=\"token punctuation\">.<\/span><span class=\"token function\">addActionListener<\/span><span class=\"token punctuation\">(<\/span>e <span class=\"token operator\">-&gt;<\/span> <span class=\"token function\">startTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>statusLabel<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>progressBar<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>startButton<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">startTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u7981\u7528\u6309\u94ae&#xff0c;\u9632\u6b62\u91cd\u590d\u70b9\u51fb<\/span><br \/>\n        startButton<span class=\"token punctuation\">.<\/span><span class=\"token function\">setEnabled<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        statusLabel<span class=\"token punctuation\">.<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u4efb\u52a1\u6267\u884c\u4e2d&#8230;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u521b\u5efa SwingWorker&#xff1a;\u540e\u53f0\u6267\u884c\u8017\u65f6\u4efb\u52a1&#xff0c;\u5e76\u5728 EDT \u4e2d\u66f4\u65b0 UI<\/span><br \/>\n        <span class=\"token class-name\">SwingWorker<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Void<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Integer<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> worker <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">SwingWorker<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Void<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Integer<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n            <span class=\"token keyword\">protected<\/span> <span class=\"token class-name\">Void<\/span> <span class=\"token function\">doInBackground<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">Exception<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u5728\u540e\u53f0\u7ebf\u7a0b\u4e2d\u6267\u884c\u8017\u65f6\u64cd\u4f5c&#xff08;\u5982\u7f51\u7edc\u8bf7\u6c42\u3001\u6587\u4ef6\u8bfb\u53d6&#xff09;<\/span><br \/>\n                <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;&#061;<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token class-name\">Thread<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">sleep<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6a21\u62df\u8017\u65f6\u64cd\u4f5c<\/span><br \/>\n                    <span class=\"token function\">publish<\/span><span class=\"token punctuation\">(<\/span>i<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>        <span class=\"token comment\">\/\/ \u5c06\u4e2d\u95f4\u8fdb\u5ea6\u53d1\u5e03\u5230 process()<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n            <span class=\"token keyword\">protected<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">process<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Integer<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> chunks<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u5728 EDT \u4e2d\u6267\u884c&#xff0c;\u5b89\u5168\u66f4\u65b0 UI<\/span><br \/>\n                <span class=\"token keyword\">int<\/span> latest <span class=\"token operator\">&#061;<\/span> chunks<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span>chunks<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                progressBar<span class=\"token punctuation\">.<\/span><span class=\"token function\">setValue<\/span><span class=\"token punctuation\">(<\/span>latest<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                statusLabel<span class=\"token punctuation\">.<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u8fdb\u5ea6&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> latest <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;%&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n            <span class=\"token keyword\">protected<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">done<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u4efb\u52a1\u5b8c\u6210\u540e\u5728 EDT \u4e2d\u6267\u884c<\/span><br \/>\n                statusLabel<span class=\"token punctuation\">.<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u4efb\u52a1\u5b8c\u6210&#xff01;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                startButton<span class=\"token punctuation\">.<\/span><span class=\"token function\">setEnabled<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        worker<span class=\"token punctuation\">.<\/span><span class=\"token function\">execute<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u542f\u52a8\u540e\u53f0\u4efb\u52a1<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">SwingUtilities<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">invokeLater<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">SwingWorkerDemo<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">setVisible<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h5>JavaFX \u793a\u4f8b&#xff1a;\u4f7f\u7528 Platform.runLater \u66f4\u65b0\u754c\u9762<\/h5>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javafx<span class=\"token punctuation\">.<\/span>application<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Application<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javafx<span class=\"token punctuation\">.<\/span>application<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Platform<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javafx<span class=\"token punctuation\">.<\/span>concurrent<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Task<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javafx<span class=\"token punctuation\">.<\/span>geometry<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Pos<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javafx<span class=\"token punctuation\">.<\/span>scene<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Scene<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javafx<span class=\"token punctuation\">.<\/span>scene<span class=\"token punctuation\">.<\/span>control<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Button<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javafx<span class=\"token punctuation\">.<\/span>scene<span class=\"token punctuation\">.<\/span>control<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Label<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javafx<span class=\"token punctuation\">.<\/span>scene<span class=\"token punctuation\">.<\/span>control<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ProgressBar<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javafx<span class=\"token punctuation\">.<\/span>scene<span class=\"token punctuation\">.<\/span>layout<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">VBox<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javafx<span class=\"token punctuation\">.<\/span>stage<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Stage<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">PlatformRunLaterDemo<\/span> <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">Application<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Stage<\/span> primaryStage<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">Label<\/span> statusLabel <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Label<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u7b49\u5f85\u5f00\u59cb&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">Button<\/span> startButton <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5f00\u59cb\u4efb\u52a1&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">ProgressBar<\/span> progressBar <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ProgressBar<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        progressBar<span class=\"token punctuation\">.<\/span><span class=\"token function\">setPrefWidth<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">300<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        startButton<span class=\"token punctuation\">.<\/span><span class=\"token function\">setOnAction<\/span><span class=\"token punctuation\">(<\/span>e <span class=\"token operator\">-&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u7981\u7528\u6309\u94ae&#xff0c;\u9632\u6b62\u91cd\u590d\u70b9\u51fb<\/span><br \/>\n            startButton<span class=\"token punctuation\">.<\/span><span class=\"token function\">setDisable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            statusLabel<span class=\"token punctuation\">.<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u4efb\u52a1\u6267\u884c\u4e2d&#8230;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u521b\u5efa\u540e\u53f0\u4efb\u52a1<\/span><br \/>\n            <span class=\"token class-name\">Task<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Void<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> task <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Task<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Void<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n                <span class=\"token keyword\">protected<\/span> <span class=\"token class-name\">Void<\/span> <span class=\"token function\">call<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">Exception<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token comment\">\/\/ \u5728\u540e\u53f0\u7ebf\u7a0b\u4e2d\u6267\u884c\u8017\u65f6\u64cd\u4f5c<\/span><br \/>\n                    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;&#061;<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                        <span class=\"token class-name\">Thread<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">sleep<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6a21\u62df\u8017\u65f6\u64cd\u4f5c<\/span><br \/>\n                        <span class=\"token keyword\">int<\/span> progress <span class=\"token operator\">&#061;<\/span> i<span class=\"token punctuation\">;<\/span><\/p>\n<p>                        <span class=\"token comment\">\/\/ \u901a\u8fc7 Platform.runLater \u5207\u56de FX \u7ebf\u7a0b\u66f4\u65b0 UI<\/span><br \/>\n                        <span class=\"token class-name\">Platform<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">runLater<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                            progressBar<span class=\"token punctuation\">.<\/span><span class=\"token function\">setProgress<\/span><span class=\"token punctuation\">(<\/span>progress <span class=\"token operator\">\/<\/span> <span class=\"token number\">100.0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                            statusLabel<span class=\"token punctuation\">.<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u8fdb\u5ea6&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> progress <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;%&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span><br \/>\n                    <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u4efb\u52a1\u5b8c\u6210\u540e\u7684\u56de\u8c03&#xff08;\u5728 FX \u7ebf\u7a0b\u4e2d\u6267\u884c&#xff09;<\/span><br \/>\n            task<span class=\"token punctuation\">.<\/span><span class=\"token function\">setOnSucceeded<\/span><span class=\"token punctuation\">(<\/span>event <span class=\"token operator\">-&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                statusLabel<span class=\"token punctuation\">.<\/span><span class=\"token function\">setText<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u4efb\u52a1\u5b8c\u6210&#xff01;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                startButton<span class=\"token punctuation\">.<\/span><span class=\"token function\">setDisable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u542f\u52a8\u540e\u53f0\u7ebf\u7a0b<\/span><br \/>\n            <span class=\"token class-name\">Thread<\/span> thread <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Thread<\/span><span class=\"token punctuation\">(<\/span>task<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            thread<span class=\"token punctuation\">.<\/span><span class=\"token function\">setDaemon<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            thread<span class=\"token punctuation\">.<\/span><span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token class-name\">VBox<\/span> root <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">VBox<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">15<\/span><span class=\"token punctuation\">,<\/span> statusLabel<span class=\"token punctuation\">,<\/span> progressBar<span class=\"token punctuation\">,<\/span> startButton<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        root<span class=\"token punctuation\">.<\/span><span class=\"token function\">setAlignment<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Pos<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">CENTER<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        root<span class=\"token punctuation\">.<\/span><span class=\"token function\">setStyle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;-fx-padding: 30;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token class-name\">Scene<\/span> scene <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Scene<\/span><span class=\"token punctuation\">(<\/span>root<span class=\"token punctuation\">,<\/span> <span class=\"token number\">380<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">180<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        primaryStage<span class=\"token punctuation\">.<\/span><span class=\"token function\">setTitle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Platform.runLater \u793a\u4f8b&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        primaryStage<span class=\"token punctuation\">.<\/span><span class=\"token function\">setScene<\/span><span class=\"token punctuation\">(<\/span>scene<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        primaryStage<span class=\"token punctuation\">.<\/span><span class=\"token function\">show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">launch<\/span><span class=\"token punctuation\">(<\/span>args<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u63d0\u793a&#xff1a;JavaFX \u66f4\u63a8\u8350\u4f7f\u7528 Task \u914d\u5408 updateProgress() \u65b9\u6cd5&#xff0c;\u5b83\u4f1a\u81ea\u52a8\u5728 FX \u7ebf\u7a0b\u4e2d\u66f4\u65b0\u8fdb\u5ea6\u5c5e\u6027&#xff0c;\u65e0\u9700\u624b\u52a8\u8c03\u7528 Platform.runLater\u3002\u4e0a\u9762\u7684\u793a\u4f8b\u662f\u4e3a\u4e86\u76f4\u89c2\u5c55\u793a Platform.runLater \u7684\u7528\u6cd5&#xff0c;\u5b9e\u9645\u9879\u76ee\u4e2d\u53ef\u4f18\u5148\u4f7f\u7528 Task \u7684\u5185\u7f6e\u56de\u8c03\u673a\u5236\u3002<\/p>\n<p>Swing \u548c JavaFX \u90fd\u662f\u5355\u7ebf\u7a0b\u6a21\u578b&#xff0c;\u6240\u6709 UI \u64cd\u4f5c\u5fc5\u987b\u5728\u4e8b\u4ef6\u5206\u53d1\u7ebf\u7a0b&#xff08;EDT&#xff09;\u4e2d\u6267\u884c\u3002\u8017\u65f6\u64cd\u4f5c\u5e94\u653e\u5728\u540e\u53f0\u7ebf\u7a0b&#xff0c;\u7136\u540e\u901a\u8fc7 SwingUtilities.invokeLater \u6216 Platform.runLater \u66f4\u65b0\u754c\u9762\u3002<\/p>\n<h3>9. \u8fdb\u9636\u5b66\u4e60\u65b9\u5411<\/h3>\n<p>\u638c\u63e1\u4e86\u57fa\u7840\u4e4b\u540e&#xff0c;\u4f60\u53ef\u4ee5\u4ece\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u5411\u7ee7\u7eed\u6df1\u5165&#xff1a;<\/p>\n<li>\u81ea\u5b9a\u4e49\u7ec4\u4ef6&#xff1a;\u7ee7\u627f\u73b0\u6709\u7ec4\u4ef6\u6216\u5b9e\u73b0 JComponent&#xff0c;\u7ed8\u5236\u4e2a\u6027\u5316\u754c\u9762<\/li>\n<li>\u591a\u7ebf\u7a0b\u7f16\u7a0b&#xff1a;\u7ed3\u5408 SwingWorker \u6216 Task \u5b9e\u73b0\u5f02\u6b65\u4efb\u52a1<\/li>\n<li>\u6570\u636e\u5e93\u96c6\u6210&#xff1a;\u4f7f\u7528 JDBC \u8fde\u63a5\u6570\u636e\u5e93&#xff0c;\u5b9e\u73b0\u6570\u636e\u6301\u4e45\u5316<\/li>\n<li>\u56fe\u8868\u7ed8\u5236&#xff1a;\u4f7f\u7528 JFreeChart \u6216 JavaFX Charts \u5c55\u793a\u6570\u636e<\/li>\n<li>\u6253\u5305\u53d1\u5e03&#xff1a;\u4f7f\u7528 Maven\/ Gradle \u6784\u5efa\u53ef\u6267\u884c JAR \u6216\u539f\u751f\u5b89\u88c5\u5305<\/li>\n<h3>10. \u603b\u7ed3<\/h3>\n<p>\u672c\u6559\u7a0b\u4ece Java GUI 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\u7684\u8c03\u8bd5\u529f\u80fd\u548c\u641c\u7d22\u5f15\u64ce&#xff0c;\u9010\u6b65\u57f9\u517b\u72ec\u7acb\u89e3\u51b3\u95ee\u9898\u7684\u80fd\u529b\u3002<\/p>\n<p>\u5e0c\u671b\u672c\u6559\u7a0b\u80fd\u4e3a\u4f60\u7684 Java GUI \u5f00\u53d1\u4e4b\u8def\u6253\u4e0b\u575a\u5b9e\u7684\u57fa\u7840\u3002\u795d\u4f60\u7f16\u7801\u6109\u5feb&#xff01;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>TL;DR&#xff08;\u6458\u8981&#xff09;&#xff1a;\u672c\u6587\u662f\u4e00\u4efd\u9762\u5411\u521d\u5b66\u8005\u7684 Java GUI \u5f00\u53d1\u5b8c\u6574\u6559\u7a0b&#xff0c;\u7cfb\u7edf\u8bb2\u89e3 Swing \u4e0e JavaFX \u4e24\u5927\u4e3b\u6d41\u6846\u67b6\u3002\u4f60\u5c06\u5b66\u5230&#xff1a;Swing \u7684\u7a97\u53e3\u521b\u5efa\u3001\u5e38\u7528\u7ec4\u4ef6\u3001\u4e8b\u4ef6\u5904\u7406\u4e0e\u5e03\u5c40\u7ba1\u7406&#xff0c;\u5e76\u52a8\u624b\u5b9e\u73b0\u4e00\u4e2a\u5b8c\u6574\u7684\u767b\u5f55\u754c\u9762&#xff1b;\u968f\u540e\u5165\u95e8 JavaFX&#xff0c;\u4e86\u89e3\u5176\u73b0\u4ee3\u5316\u7ec4\u4ef6\u3001CSS 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