{"id":38906,"date":"2025-05-21T17:38:07","date_gmt":"2025-05-21T09:38:07","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/38906.html"},"modified":"2025-05-21T17:38:07","modified_gmt":"2025-05-21T09:38:07","slug":"mybatis%e5%ae%9e%e6%88%98%e6%8c%87%e5%8d%97%ef%bc%88%e4%b8%80%ef%bc%89mybatis%e5%85%a5%e9%97%a8%e5%9f%ba%e7%a1%80%e4%b8%8e%e5%88%a9%e7%94%a8idea%e4%bb%8e%e9%9b%b6%e5%bc%80%e5%a7%8b%e6%90%ad%e5%bb%ba","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/38906.html","title":{"rendered":"MyBatis\u5b9e\u6218\u6307\u5357\uff08\u4e00\uff09MyBatis\u5165\u95e8\u57fa\u7840\u4e0e\u5229\u7528IDEA\u4ece\u96f6\u5f00\u59cb\u642d\u5efa\u4f60\u7684\u7b2c\u4e00\u4e2aMyBatis\u7cfb\u7edf"},"content":{"rendered":"<\/p>\n<h4>MyBatis\u5b9e\u6218\u6307\u5357&#xff08;\u4e00&#xff09;MyBatis\u5165\u95e8\u57fa\u7840\u4e0e\u5229\u7528IDEA\u4ece\u96f6\u5f00\u59cb\u642d\u5efa\u4f60\u7684\u7b2c\u4e00\u4e2aMyBatis\u7cfb\u7edf<\/h4>\n<ul>\n<li>\u4e00\u3001\u4ec0\u4e48\u662fMyBatis<\/li>\n<li>\n<ul>\n<li>1. MyBatis \u662f\u4ec0\u4e48&#xff1f;<\/li>\n<li>2. JDBC \u7684\u4e09\u5927\u75db\u70b9<\/li>\n<li>3. MyBatis \u7684\u6838\u5fc3\u4f18\u52bf<\/li>\n<li>\n<ul>\n<li>1. \u544a\u522b\u91cd\u590d\u4ee3\u7801&#xff0c;\u4e13\u6ce8\u6838\u5fc3\u903b\u8f91<\/li>\n<li>2. \u7075\u6d3b\u63a7\u5236 SQL&#xff0c;\u9002\u5e94\u5404\u79cd\u573a\u666f<\/li>\n<li>3. \u81ea\u52a8\u6620\u5c04\u6570\u636e&#xff0c;\u51cf\u5c11\u4eba\u4e3a\u9519\u8bef<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\u4e8c\u3001\u642d\u5efa\u4f60\u7684\u7b2c\u4e00\u4e2aMyBatis\u7cfb\u7edf<\/li>\n<li>\n<ul>\n<li>\u6b65\u9aa4\u4e00&#xff1a;\u914d\u7f6e\u5e76\u6dfb\u52a0Maven\u6587\u4ef6<\/li>\n<li>\u6b65\u9aa4\u4e8c&#xff1a;\u65b0\u5efa\u4e00\u4e2aMyBatis\u9879\u76ee<\/li>\n<li>\u6b65\u9aa4\u4e09&#xff1a;\u5bfc\u5165MyBatis\u7684\u5305<\/li>\n<li>\u6b65\u9aa4\u56db&#xff1a;\u521b\u5efa\u5b9e\u4f53\u7c7b<\/li>\n<li>\u6b65\u9aa4\u4e94&#xff1a;\u521b\u5efaMapper\u63a5\u53e3<\/li>\n<li>\u6b65\u9aa4\u516d&#xff1a;\u521b\u5efaMyBatis\u914d\u7f6e\u6587\u4ef6<\/li>\n<li>\u6b65\u9aa4\u4e03&#xff1a;\u521b\u5efaSQL\u6620\u5c04\u6587\u4ef6<\/li>\n<li>\u6b65\u9aa4\u516b&#xff1a;\u7f16\u5199\u6d4b\u8bd5\u4ee3\u7801<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<p>\u5728\u4e4b\u524d\u7684\u5b66\u4e60\u4e2d&#xff0c;\u6211\u4eec\u5df2\u7ecf\u638c\u63e1\u4e86Java Web\u5f00\u53d1\u7684\u57fa\u7840\u77e5\u8bc6&#xff1a;<\/p>\n<ul>\n<li>\u901a\u8fc7Servlet\u548cJSP\u5b9e\u73b0\u4e86\u52a8\u6001Web\u9875\u9762\u7684\u5f00\u53d1<\/li>\n<li>\u5229\u7528HTML\/CSS\/JavaScript\u642d\u5efa\u4e86\u7f8e\u89c2\u7684\u524d\u7aef\u754c\u9762<\/li>\n<li>\u7406\u89e3\u4e86MVC\u67b6\u6784\u6a21\u5f0f&#xff0c;\u5b66\u4f1a\u4e86\u5206\u5c42\u5f00\u53d1<\/li>\n<\/ul>\n<p>\u73b0\u5728&#xff0c;\u6211\u4eec\u7684Java Web\u5f00\u53d1\u6846\u67b6\u5df2\u7ecf\u521d\u5177\u96cf\u5f62\u3002<\/p>\n<ul>\n<li>\u4f46\u5728\u5b9e\u9645\u9879\u76ee\u4e2d&#xff0c;\u8fd8\u6709\u4e00\u4e2a\u91cd\u8981\u7684\u73af\u8282\u9700\u8981\u89e3\u51b3\u2014\u2014\u5982\u4f55\u9ad8\u6548\u5730\u4e0e\u6570\u636e\u5e93\u8fdb\u884c\u4ea4\u4e92&#xff1f;<\/li>\n<\/ul>\n<p>\u4f20\u7edf\u7684JDBC\u7f16\u7a0b\u5b58\u5728\u5927\u91cf\u91cd\u590d\u4ee3\u7801&#xff0c;\u5f00\u53d1\u6548\u7387\u4f4e\u4e0b&#xff1b;\u800c\u5b8c\u5168\u81ea\u52a8\u5316\u7684ORM\u6846\u67b6\u53c8\u4e0d\u591f\u7075\u6d3b\u3002\u8fd9\u65f6&#xff0c;MyBatis\u6846\u67b6\u5e94\u8fd0\u800c\u751f\u3002<\/p>\n<p>MyBatis\u662f\u4ec0\u4e48&#xff1f;<\/p>\n<ul>\n<li>\u5b83\u662f\u4e00\u6b3e\u4f18\u79c0\u7684\u6301\u4e45\u5c42\u6846\u67b6<\/li>\n<li>\u652f\u6301\u81ea\u5b9a\u4e49SQL\u3001\u5b58\u50a8\u8fc7\u7a0b\u4ee5\u53ca\u9ad8\u7ea7\u6620\u5c04<\/li>\n<li>\u907f\u514d\u4e86\u51e0\u4e4e\u6240\u6709\u7684JDBC\u4ee3\u7801\u548c\u624b\u52a8\u8bbe\u7f6e\u53c2\u6570<\/li>\n<li>\u53ef\u4ee5\u901a\u8fc7XML\u6216\u6ce8\u89e3\u7684\u65b9\u5f0f\u914d\u7f6e\u548c\u6620\u5c04\u539f\u751f\u4fe1\u606f<\/li>\n<\/ul>\n<p>\u8ba9\u6211\u4eec\u4e00\u8d77\u5f00\u542fMyBatis\u7684\u5b66\u4e60\u4e4b\u65c5&#xff0c;\u4e3a\u4f60\u7684Java Web\u5f00\u53d1\u6280\u80fd\u6808\u589e\u6dfb\u5f3a\u5927\u7684\u5de5\u5177&#xff01;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250521093801-682d9ef9343ec.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u6211\u7684\u4e2a\u4eba\u4e3b\u9875&#xff0c;\u6b22\u8fce\u6765\u9605\u8bfb\u6211\u7684\u5176\u4ed6\u6587\u7ae0 https:\/\/blog.csdn.net\/2402_83322742?spm&#061;1011.2415.3001.5343 \u6211\u7684MyBatis\u77e5\u8bc6\u6587\u7ae0\u4e13\u680f https:\/\/blog.csdn.net\/2402_83322742\/category_12969707.html?spm&#061;1001.2014.3001.5482 \u6b22\u8fce\u6765\u9605\u8bfb\u6307\u51fa\u4e0d\u8db3<\/p>\n<hr \/>\n<h2>\u4e00\u3001\u4ec0\u4e48\u662fMyBatis<\/h2>\n<h3>1. MyBatis \u662f\u4ec0\u4e48&#xff1f;<\/h3>\n<p>\u5982\u679c\u628a\u5f00\u53d1\u8f6f\u4ef6\u6bd4\u4f5c\u76d6\u623f\u5b50&#xff0c;\u90a3\u4e48 \u300c\u6301\u4e45\u5c42\u300d \u5c31\u50cf\u662f\u623f\u5b50\u7684\u5730\u57fa&#xff1a;\u4e13\u95e8\u8d1f\u8d23\u628a\u6570\u636e&#xff08;\u6bd4\u5982\u7528\u6237\u4fe1\u606f\u3001\u8ba2\u5355\u8bb0\u5f55&#xff09;\u5b58\u5230\u6570\u636e\u5e93&#xff08;\u7c7b\u4f3c\u6570\u636e\u4ed3\u5e93&#xff09;\u91cc&#xff0c;\u6216\u8005\u4ece\u6570\u636e\u5e93\u53d6\u51fa\u6765\u3002<\/p>\n<ul>\n<li>MyBatis \u5c31\u662f\u8fd9\u4e2a\u5730\u57fa\u7684\u9ad8\u6548\u65bd\u5de5\u961f&#xff0c;\u5e2e\u4f60\u8f7b\u677e\u641e\u5b9a Java \u7a0b\u5e8f\u548c\u6570\u636e\u5e93\u4e4b\u95f4\u7684\u4ea4\u4e92\u3002<\/li>\n<\/ul>\n<p>\u7b80\u5355\u6765\u8bf4&#xff1a;<\/p>\n<ul>\n<li>MyBatis \u662f\u4e00\u4e2a\u80fd\u8ba9 Java \u4ee3\u7801\u548c\u6570\u636e\u5e93\u53cb\u597d\u5bf9\u8bdd\u7684\u6865\u6881\u3002\u5b83\u89e3\u51b3\u4e86\u4f20\u7edf JDBC \u7f16\u7a0b\u7684\u75db\u70b9&#xff0c;\u8ba9\u4f60\u4e0d\u7528\u518d\u5199\u5927\u91cf\u91cd\u590d\u7684\u300c\u8fde\u63a5\u6570\u636e\u5e93 &#8211; \u6267\u884c SQL &#8211; \u5904\u7406\u7ed3\u679c\u300d\u7684\u4ee3\u7801&#xff0c;\u53ea\u9700\u8981\u4e13\u6ce8\u5199\u6838\u5fc3\u7684 SQL \u8bed\u53e5\u548c\u5b9a\u4e49\u6570\u636e\u6620\u5c04\u89c4\u5219\u3002<\/li>\n<\/ul>\n<h3>2. JDBC \u7684\u4e09\u5927\u75db\u70b9<\/h3>\n<p>\u5047\u8bbe\u7528 JDBC \u5b9e\u73b0\u300c\u67e5\u8be2\u7528\u6237\u4fe1\u606f\u300d\u529f\u80fd&#xff0c;\u9700\u8981\u624b\u52a8\u5b8c\u6210\u4ee5\u4e0b 5 \u6b65\u91cd\u590d\u64cd\u4f5c&#xff1a;<\/p>\n<li>\u83b7\u53d6\u6570\u636e\u5e93\u8fde\u63a5&#xff08;\u5904\u7406\u5f02\u5e38&#xff09;<\/li>\n<li>\u62fc\u63a5 SQL \u8bed\u53e5&#xff08;\u6613\u51fa\u9519&#xff0c;\u5982\u5f15\u53f7\u672a\u95ed\u5408&#xff09;<\/li>\n<li>\u8bbe\u7f6e SQL \u53c2\u6570&#xff08;\u5982\u7ed9 SELECT * FROM user WHERE id&#061;? \u8d4b\u503c&#xff09;<\/li>\n<li>\u904d\u5386\u7ed3\u679c\u96c6&#xff0c;\u624b\u52a8\u5c06\u6570\u636e\u5e93\u884c\u8f6c\u4e3a Java \u5bf9\u8c61&#xff08;\u5982 User \u5b9e\u4f8b&#xff09;<\/li>\n<li>\u5173\u95ed\u8fde\u63a5\u3001\u91ca\u653e\u8d44\u6e90<\/li>\n<p>\u800c\u7528 MyBatis&#xff0c;\u8fd9\u4e9b\u4f53\u529b\u6d3b\u5168\u7531\u6846\u67b6\u81ea\u52a8\u5b8c\u6210&#xff01;\u4f60\u53ea\u9700\u8981\u505a\u4e24\u4ef6\u4e8b&#xff1a;<\/p>\n<ul>\n<li>\u5199\u63a5\u53e3&#xff08;\u5b9a\u4e49\u529f\u80fd&#xff0c;\u5982 User getUserById(int id)&#xff09;<\/li>\n<li>\u5199 SQL \u6620\u5c04\u6587\u4ef6&#xff08;\u5b9a\u4e49\u5177\u4f53 SQL&#xff0c;\u5982 &lt;select id&#061;&#034;getUserById&#034; resultType&#061;&#034;User&#034;&gt;SELECT * FROM user WHERE id&#061;#{id}&lt;\/select&gt;&#xff09;<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250521093801-682d9ef95bbd8.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>3. MyBatis \u7684\u6838\u5fc3\u4f18\u52bf<\/h3>\n<h4>1. \u544a\u522b\u91cd\u590d\u4ee3\u7801&#xff0c;\u4e13\u6ce8\u6838\u5fc3\u903b\u8f91<\/h4>\n<ul>\n<li>JDBC \u5f00\u53d1\u4e2d&#xff0c;80% \u4ee3\u7801\u662f\u91cd\u590d\u7684&#xff08;\u8fde\u63a5\u3001\u5173\u95ed\u3001\u7ed3\u679c\u5904\u7406&#xff09;&#xff1b;<\/li>\n<li>MyBatis \u5c01\u88c5\u5e95\u5c42\u64cd\u4f5c&#xff0c;\u5f00\u53d1\u8005\u53ea\u9700\u5199 \u4e1a\u52a1 SQL \u548c\u5bf9\u8c61\u6620\u5c04&#xff0c;\u6548\u7387\u63d0\u5347 50%&#043;\u3002<\/li>\n<\/ul>\n<h4>2. \u7075\u6d3b\u63a7\u5236 SQL&#xff0c;\u9002\u5e94\u5404\u79cd\u573a\u666f<\/h4>\n<ul>\n<li>\u7b80\u5355\u573a\u666f&#xff1a;\u7528\u6ce8\u89e3&#xff08;\u5982 &#064;Select(&#034;SELECT * FROM user WHERE id&#061;#{id}&#034;)&#xff09;\u76f4\u63a5\u5728\u63a5\u53e3\u4e2d\u5199 SQL&#xff0c;\u5feb\u901f\u5f00\u53d1&#xff1b;<\/li>\n<li>\u590d\u6742\u573a\u666f&#xff1a;\u7528 XML \u6587\u4ef6\u5199 SQL&#xff0c;\u652f\u6301 \u52a8\u6001 SQL&#xff08;\u6761\u4ef6\u62fc\u63a5 AND\/OR&#xff09;\u3001\u5b58\u50a8\u8fc7\u7a0b\u3001\u591a\u8868\u5173\u8054\u67e5\u8be2&#xff0c;\u53ef\u4f18\u5316 SQL \u6027\u80fd\u3002<\/li>\n<\/ul>\n<h4>3. \u81ea\u52a8\u6620\u5c04\u6570\u636e&#xff0c;\u51cf\u5c11\u4eba\u4e3a\u9519\u8bef<\/h4>\n<ul>\n<li>\u6570\u636e\u5e93\u5b57\u6bb5&#xff08;\u5982 user_id\u3001user_name&#xff09;\u81ea\u52a8\u6620\u5c04\u5230 Java \u5bf9\u8c61\u5c5e\u6027&#xff08;userId\u3001userName&#xff09;&#xff0c;\u652f\u6301\u9a7c\u5cf0\u547d\u540d\u8f6c\u6362&#xff1b;<\/li>\n<li>\u65e0\u9700\u624b\u52a8\u5199 resultSet.getString(&#034;user_name&#034;) \u7b49\u4ee3\u7801\u3002<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250521093802-682d9efa2767d.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>\u4e8c\u3001\u642d\u5efa\u4f60\u7684\u7b2c\u4e00\u4e2aMyBatis\u7cfb\u7edf<\/h2>\n<ul>\n<li>\u6211\u4eec\u7684\u4efb\u52a1\u662f\u4f7f\u7528MyBatis\u7684\u77e5\u8bc6\u6765\u8fde\u63a5\u6211\u4eec\u6570\u636e\u5e93\u4e2demp\u8868\u7684\u4fe1\u606f&#xff0c;\u5e76\u6253\u5370\u5230\u7ec8\u7aef\u4e2d <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250521093802-682d9efa46cab.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/li>\n<\/ul>\n<h3>\u6b65\u9aa4\u4e00&#xff1a;\u914d\u7f6e\u5e76\u6dfb\u52a0Maven\u6587\u4ef6<\/h3>\n<ul>\n<li>\u9996\u5148\u6253\u5f00\u5229\u7528vscode\u6253\u5f00maven\u6587\u4ef6\u91cc\u9762\u7684conf\u6587\u4ef6 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250521093802-682d9efa67387.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/li>\n<li>\u627e\u5230setting.xml\u6587\u4ef6<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250521093802-682d9efa76872.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<ul>\n<li>\n<p>\u5355\u51fb\u5229\u7528vscode\u6216\u8005\u5176\u4ed6\u7f16\u8f91\u8f6f\u4ef6\u6253\u5f00\u5b83<\/p>\n<\/li>\n<li>\n<p>\u627e\u5230\u91cc\u9762\u7684mirros\u6587\u4ef6&#xff0c;\u66ff\u6362\u4e3a\u56fd\u5185\u963f\u91cc\u4e91\u955c\u50cf&#xff08;\u56fd\u5916\u7684\u7f51\u901f\u6162&#xff09;<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250521093802-682d9efa9106b.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<\/li>\n<li>\n<p>\u56fd\u5185\u963f\u91cc\u4e91\u955c\u50cf<\/p>\n<\/li>\n<\/ul>\n<p><span class=\"token operator\">&lt;<\/span>mirror<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>id<span class=\"token operator\">&gt;<\/span>alimaven<span class=\"token operator\">&lt;<\/span>\/id<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>mirrorOf<span class=\"token operator\">&gt;<\/span>central<span class=\"token operator\">&lt;<\/span>\/mirrorOf<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>name<span class=\"token operator\">&gt;<\/span>aliyun maven<span class=\"token operator\">&lt;<\/span>\/name<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>url<span class=\"token operator\">&gt;<\/span>https:\/\/maven.aliyun.com\/repository\/public<span class=\"token operator\">&lt;<\/span>\/url<span class=\"token operator\">&gt;<\/span><br \/>\n<span class=\"token operator\">&lt;<\/span>\/mirror<span class=\"token operator\">&gt;<\/span><\/p>\n<ul>\n<li>\n<p>\u7c98\u8d34\u8fc7\u53bb\u66ff\u6362\u6389\u539f\u6765\u7684\u955c\u50cf\u6587\u4ef6<\/p>\n<\/li>\n<li>\n<p>\u7136\u540e\u4fdd\u5b58<\/p>\n<\/li>\n<li>\n<p>\u70b9\u51fb\u6700\u53f3\u8fb9\u7684maven\u6309\u94ae <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250521093802-682d9eface209.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<\/li>\n<li>\n<p>\u627e\u5230maven\u8bbe\u7f6e <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250521093802-682d9efade6d7.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<\/li>\n<li>\n<p>\u5c06\u81ea\u5df1\u7684maven\u6587\u4ef6\u5bfc\u5165\u91cc\u9762 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250521093803-682d9efb017a5.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<\/li>\n<\/ul>\n<h3>\u6b65\u9aa4\u4e8c&#xff1a;\u65b0\u5efa\u4e00\u4e2aMyBatis\u9879\u76ee<\/h3>\n<ul>\n<li>\n<p>\u63a5\u7740\u6211\u4eec\u9700\u8981\u6253\u5f00IDEA\u7136\u540e\u65b0\u5efa\u4e00\u4e2aMyBatis\u9879\u76ee <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250521093803-682d9efb5ce31.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<\/li>\n<li>\n<p>\u7136\u540e\u5220\u9664java\u6587\u4ef6\u91cc\u9762\u591a\u4f59\u7684\u5185\u5bb9<\/p>\n<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250521093803-682d9efb93445.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<ul>\n<li>\u63a5\u7740\u53f3\u952e\u5355\u51fbMyBatis\u9879\u76ee&#xff0c;\u65b0\u5efa\u4e00\u4e2aMyBatis\u6a21\u677f<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250521093803-682d9efbc3a94.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250521093803-682d9efbf214b.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250521093804-682d9efc36808.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<ul>\n<li>\u7ee7\u7eed\u6309\u7167\u4e0a\u9762\u7684\u64cd\u4f5c&#xff0c;\u5220\u9664MyBatis01java\u6587\u4ef6\u4e0b\u6240\u6709\u7684\u6587\u4ef6<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250521093804-682d9efc76ccc.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>\u6b65\u9aa4\u4e09&#xff1a;\u5bfc\u5165MyBatis\u7684\u5305<\/h3>\n<ul>\n<li>\u63a5\u7740\u5728Maven\u7f51\u7ad9\u641c\u7d22\u627e\u5230\u5e76\u5bfc\u5165MyBatis\u7684\u5305<\/li>\n<\/ul>\n<p>Maven\u5b98\u7f51 https:\/\/mvnrepository.com\/search?q&#061;mybatis<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250521093804-682d9efc8b0ae.png\" alt=\"\n\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250521093805-682d9efd2efa4.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<ul>\n<li>\u6211\u4eec\u5728\u5bfc\u5165MyBatis\u7684\u5305\u4e4b\u524d\u5fc5\u987b\u6709jdbc\u7684\u9a71\u52a8\u5305&#xff0c;\u8fd9\u91cc\u6211\u76f4\u63a5\u628ajdbc\u548cMyBatis\u7684\u4f9d\u8d56\u5305\u6253\u51fa\u6765<\/li>\n<\/ul>\n<p><span class=\"token comment\">&lt;!&#8211; https:\/\/mvnrepository.com\/artifact\/mysql\/mysql-connector-java &#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>mysql<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>mysql-connector-java<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>8.0.33<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; https:\/\/mvnrepository.com\/artifact\/org.mybatis\/mybatis &#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.mybatis<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>mybatis<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>3.5.19<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<ul>\n<li>\u63a5\u7740\u4e3a\u4e86\u66f4\u52a0\u65b9\u4fbf\u6211\u4eec\u8fd0\u884c\u9879\u76ee&#xff0c;\u6211\u4eec\u8fd8\u9700\u8981\u4e0b\u8f7djunit\u7684\u4f9d\u8d56\u5305<\/li>\n<\/ul>\n<p>Maven junit\u4f9d\u8d56\u5305\u5b98\u7f51 https:\/\/mvnrepository.com\/search?q&#061;junit<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250521093805-682d9efd95aaf.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<ul>\n<li>\u627e\u5230\u7b2c\u4e8c\u4e2ajunit\u4f9d\u8d56\u5305\u4e0b\u8f7djunit <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250521093806-682d9efe034c2.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/li>\n<\/ul>\n<p><span class=\"token comment\">&lt;!&#8211; https:\/\/mvnrepository.com\/artifact\/junit\/junit &#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>junit<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>junit<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>4.13.2<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>scope<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>test<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>scope<\/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<ul>\n<li>\u63a5\u7740\u4e3a\u4e86\u65b9\u4fbf\u6211\u4eec\u4ee5\u540e\u8ddf\u597d\u7684\u7f16\u5199java\u7c7b&#xff0c;\u6211\u4eec\u9700\u8981\u4e0b\u8f7dlombok<\/li>\n<li>\n<ul>\n<li>Lombok \u662f\u4e00\u4e2a Java \u5e93&#xff0c;\u80fd\u901a\u8fc7\u6ce8\u89e3\u7684\u65b9\u5f0f\u81ea\u52a8\u751f\u6210 Java \u7c7b\u4e2d\u7684\u6837\u677f\u4ee3\u7801&#xff08;\u5982 getter\/setter\u3001\u6784\u9020\u51fd\u6570\u3001toString \u65b9\u6cd5\u7b49&#xff09;&#xff0c;\u4ece\u800c\u51cf\u5c11\u4ee3\u7801\u5197\u4f59&#xff0c;\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u3002 <img decoding=\"async\" src=\"2025-05-21rwomfcfsepc.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"2025-05-21bhy4mitchan.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span class=\"token comment\">&lt;!&#8211; https:\/\/mvnrepository.com\/artifact\/org.projectlombok\/lombok &#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.projectlombok<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>lombok<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>1.18.38<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>scope<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>provided<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>scope<\/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<ul>\n<li>\u4e00\u5171\u4e0b\u8f7d4\u4e2a\u9a71\u52a8\u5305<\/li>\n<\/ul>\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><\/p>\n<p>        <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>mysql<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>mysql-connector-java<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>8.0.33<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><br \/>\n        <span class=\"token comment\">&lt;!&#8211; https:\/\/mvnrepository.com\/artifact\/org.mybatis\/mybatis &#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.mybatis<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>mybatis<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>3.5.19<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 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.projectlombok<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>lombok<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>1.18.38<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>scope<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>provided<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>scope<\/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 comment\">&lt;!&#8211; https:\/\/mvnrepository.com\/artifact\/junit\/junit &#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>junit<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>junit<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>4.13.2<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>scope<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>test<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>scope<\/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<h3>\u6b65\u9aa4\u56db&#xff1a;\u521b\u5efa\u5b9e\u4f53\u7c7b<\/h3>\n<ul>\n<li>\u9996\u5148\u6211\u4eec\u9700\u8981\u5728main\/java\u5305\u4e0b\u521b\u5efacom.niit\u7684\u5305<\/li>\n<li>\u63a5\u7740\u5728com.niit\u5305\u91cc\u518d\u521b\u5efa\u4fe9\u4e2a\u5305mapper\u548cpojo<\/li>\n<li>\u5728\u57fa\u4e8e MyBatis \u7684\u5f00\u53d1\u4e2d&#xff0c;mapper \u5305\u548c pojo \u5305\u627f\u62c5\u7740\u4e0d\u540c\u4f46\u5173\u952e\u7684\u89d2\u8272&#xff1a;<\/li>\n<\/ul>\n<p>pojo \u5305&#xff08;Plain Old Java Object&#xff0c;\u7b80\u5355 Java \u5bf9\u8c61&#xff09;<\/p>\n<ul>\n<li>\u4f5c\u7528&#xff1a;\u7528\u4e8e\u5b58\u653e\u5b9e\u4f53\u7c7b&#xff0c;\u8fd9\u4e9b\u7c7b\u7684\u5c5e\u6027\u4e0e\u6570\u636e\u5e93\u8868\u7684\u5b57\u6bb5\u4e00\u4e00\u5bf9\u5e94&#xff0c;\u4e3b\u8981\u4f5c\u4e3a\u6570\u636e\u8f7d\u4f53&#xff0c;\u7528\u4e8e\u5c01\u88c5\u4ece\u6570\u636e\u5e93\u67e5\u8be2\u5230\u7684\u6570\u636e&#xff0c;\u6216\u4f5c\u4e3a\u5411\u6570\u636e\u5e93\u63d2\u5165\u6570\u636e\u7684\u5bf9\u8c61\u3002<\/li>\n<li>\u7279\u70b9&#xff1a;\u901a\u5e38\u53ea\u5305\u542b\u5c5e\u6027\u53ca\u5176\u5bf9\u5e94\u7684 getter \u548c setter \u65b9\u6cd5&#xff08;\u4f7f\u7528 Lombok \u65f6\u53ef\u901a\u8fc7\u6ce8\u89e3\u7b80\u5316\u4ee3\u7801&#xff09;&#xff0c;\u4e0d\u5305\u542b\u4e1a\u52a1\u903b\u8f91\u3002\u4f8b\u5982&#xff0c;\u6570\u636e\u5e93\u4e2d\u6709 emp \u8868&#xff0c;pojo \u5305\u4e0b\u7684 Emp \u7c7b\u5c31\u4f1a\u6709 eid&#xff08;\u5458\u5de5 ID&#xff09;\u3001ename&#xff08;\u5458\u5de5\u59d3\u540d&#xff09;\u7b49\u5c5e\u6027&#xff0c;\u7528\u4e8e\u6620\u5c04\u8868\u4e2d\u5b57\u6bb5&#xff0c;\u65b9\u4fbf\u7a0b\u5e8f\u5bf9\u6570\u636e\u8fdb\u884c\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<p>mapper \u5305<\/p>\n<ul>\n<li>\u4f5c\u7528&#xff1a;\u5b58\u653e MyBatis \u7684 Mapper \u63a5\u53e3\u53ca\u5bf9\u5e94\u7684 SQL \u6620\u5c04\u6587\u4ef6&#xff08;\u5982 XML&#xff09;\u3002\n<ul>\n<li>Mapper \u63a5\u53e3&#xff1a;\u5b9a\u4e49\u4e0e\u6570\u636e\u5e93\u4ea4\u4e92\u7684\u62bd\u8c61\u65b9\u6cd5&#xff0c;\u5982\u67e5\u8be2\u3001\u63d2\u5165\u3001\u66f4\u65b0\u3001\u5220\u9664\u7b49\u64cd\u4f5c\u3002\u4f8b\u5982 EmpMapper \u63a5\u53e3\u4e2d\u5b9a\u4e49 selectAllEmps() \u65b9\u6cd5\u8868\u793a\u67e5\u8be2\u6240\u6709\u5458\u5de5\u3002<\/li>\n<li>SQL \u6620\u5c04\u6587\u4ef6&#xff1a;\u7f16\u5199\u5177\u4f53\u7684 SQL \u8bed\u53e5&#xff0c;\u901a\u8fc7 namespace \u4e0e Mapper \u63a5\u53e3\u7ed1\u5b9a&#xff0c;\u901a\u8fc7 id \u4e0e\u63a5\u53e3\u4e2d\u7684\u65b9\u6cd5\u5bf9\u5e94\u3002\u4f8b\u5982\u5728 EmpMapper.xml \u4e2d\u5b9a\u4e49 &lt;select id&#061;&#034;selectAllEmps&#034;&gt;SELECT * FROM emp&lt;\/select&gt;&#xff0c;\u5b9e\u73b0\u5bf9\u6570\u636e\u5e93\u7684\u67e5\u8be2\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u7279\u70b9&#xff1a;\u5c06 SQL \u8bed\u53e5\u4e0e\u4e1a\u52a1\u4ee3\u7801\u5206\u79bb&#xff0c;\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u590d\u7528\u6027&#xff0c;\u540c\u65f6\u652f\u6301\u9762\u5411\u63a5\u53e3\u7f16\u7a0b&#xff0c;\u89e3\u8026\u4e1a\u52a1\u903b\u8f91\u4e0e\u6570\u636e\u8bbf\u95ee\u5c42\u3002<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"2025-05-211fawalebhcm.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<ul>\n<li>\u5728pojo\u5305\u4e0b\u521b\u5efaEmp.java&#xff0c;\u6620\u5c04\u6570\u636e\u5e93\u8868\u7ed3\u6784&#xff1a; <img decoding=\"async\" src=\"2025-05-211e2vhzzcf4c.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"2025-05-21bujs4qnxnce.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">lombok<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">AllArgsConstructor<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">lombok<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Data<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">lombok<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">NoArgsConstructor<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">lombok<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ToString<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;AllArgsConstructor<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;NoArgsConstructor<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Data<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;ToString<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Emp<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">int<\/span> eid<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> ename<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> fid<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<p><img decoding=\"async\" src=\"2025-05-21eaa1qzi13uk.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>\u6b65\u9aa4\u4e94&#xff1a;\u521b\u5efaMapper\u63a5\u53e3<\/h3>\n<p><img decoding=\"async\" src=\"2025-05-21ccugjvvwckf.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u5728mapper\u5305\u4e0b\u521b\u5efaEmpMapper.java&#xff0c;\u5b9a\u4e49\u6570\u636e\u5e93\u64cd\u4f5c\u65b9\u6cd5&#xff1a; <img decoding=\"async\" src=\"2025-05-21akd5rmaz3po.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>niit<span class=\"token punctuation\">.<\/span>mapper<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>niit<span class=\"token punctuation\">.<\/span>pojo<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Emp<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><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\">interface<\/span> <span class=\"token class-name\">EmpMapper<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Emp<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">selectAllEmps<\/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<h3>\u6b65\u9aa4\u516d&#xff1a;\u521b\u5efaMyBatis\u914d\u7f6e\u6587\u4ef6<\/h3>\n<p><img decoding=\"async\" src=\"2025-05-21vtkehrlpzll.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u5728resources\u76ee\u5f55\u4e0b\u521b\u5efamybatis-config.xml&#xff0c;\u914d\u7f6e\u6570\u636e\u5e93\u8fde\u63a5&#xff1a;<\/p>\n<p>\u6570\u636e\u5e93\u8fde\u63a5\u5b98\u7f51\u6a21\u677f https:\/\/mybatis.net.cn\/getting-started.html <img decoding=\"async\" src=\"2025-05-21jqhcqcsverv.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><span class=\"token prolog\">&lt;?xml version&#061;&#034;1.0&#034; encoding&#061;&#034;UTF-8&#034; ?&gt;<\/span><br \/>\n<span class=\"token doctype\"><span class=\"token punctuation\">&lt;!<\/span><span class=\"token doctype-tag\">DOCTYPE<\/span> <span class=\"token name\">configuration<\/span><br \/>\n  <span class=\"token name\">PUBLIC<\/span> <span class=\"token string\">&#034;-\/\/mybatis.org\/\/DTD Config 3.0\/\/EN&#034;<\/span><br \/>\n  <span class=\"token string\">&#034;http:\/\/mybatis.org\/dtd\/mybatis-3-config.dtd&#034;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>configuration<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n  <span class=\"token comment\">&lt;!&#8211; \u6570\u636e\u5e93\u73af\u5883\u914d\u7f6e &#8211;&gt;<\/span><br \/>\n  <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>environments<\/span> <span class=\"token attr-name\">default<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>development<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>environment<\/span> <span class=\"token attr-name\">id<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>development<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>transactionManager<\/span> <span class=\"token attr-name\">type<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>JDBC<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>dataSource<\/span> <span class=\"token attr-name\">type<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>POOLED<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>property<\/span> <span class=\"token attr-name\">name<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>driver<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">value<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>com.mysql.cj.jdbc.Driver<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>property<\/span> <span class=\"token attr-name\">name<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>url<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">value<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>jdbc:mysql:\/\/localhost:3306\/your_database<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>property<\/span> <span class=\"token attr-name\">name<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>username<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">value<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>root<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>property<\/span> <span class=\"token attr-name\">name<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>password<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">value<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>your_password<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>dataSource<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>environment<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n  <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>environments<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><\/p>\n<p>  <span class=\"token comment\">&lt;!&#8211; \u6ce8\u518cMapper\u6620\u5c04\u6587\u4ef6 &#8211;&gt;<\/span><br \/>\n  <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>mappers<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>mapper<\/span> <span class=\"token attr-name\">resource<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>mapper\/EmpMapper.xml<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>mappers<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>configuration<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><\/p>\n<p><img decoding=\"async\" src=\"2025-05-21ewo4jivvcm2.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><span class=\"token prolog\">&lt;?xml version&#061;&#034;1.0&#034; encoding&#061;&#034;UTF-8&#034; ?&gt;<\/span><br \/>\n<span class=\"token doctype\"><span class=\"token punctuation\">&lt;!<\/span><span class=\"token doctype-tag\">DOCTYPE<\/span> <span class=\"token name\">configuration<\/span><br \/>\n        <span class=\"token name\">PUBLIC<\/span> <span class=\"token string\">&#034;-\/\/mybatis.org\/\/DTD Config 3.0\/\/EN&#034;<\/span><br \/>\n        <span class=\"token string\">&#034;http:\/\/mybatis.org\/dtd\/mybatis-3-config.dtd&#034;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>configuration<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token comment\">&lt;!&#8211; \u6570\u636e\u5e93\u73af\u5883\u914d\u7f6e &#8211;&gt;<\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>environments<\/span> <span class=\"token attr-name\">default<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>development<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 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