{"id":91571,"date":"2026-08-08T00:08:40","date_gmt":"2026-08-07T16:08:40","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/91571.html"},"modified":"2026-08-08T00:08:40","modified_gmt":"2026-08-07T16:08:40","slug":"java-%e5%ae%9e%e6%88%98%ef%bc%9a%e7%b2%be%e7%a1%ae%e8%ae%a1%e7%ae%97-n-%e4%b8%aa%e5%b7%a5%e4%bd%9c%e6%97%a5%e5%90%8e%e7%9a%84%e6%97%a5%e6%9c%9f%ef%bc%88%e6%94%af%e6%8c%81%e8%b7%a8%e5%b9%b4%e3%80%81","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/91571.html","title":{"rendered":"Java \u5b9e\u6218\uff1a\u7cbe\u786e\u8ba1\u7b97 N \u4e2a\u5de5\u4f5c\u65e5\u540e\u7684\u65e5\u671f\uff08\u652f\u6301\u8de8\u5e74\u3001\u8282\u5047\u65e5\u4e0e\u8c03\u4f11\u8865\u73ed\uff09"},"content":{"rendered":"<h3>&#x1f4cc; \u4e3a\u4ec0\u4e48\u8981\u8ba1\u7b97\u5de5\u4f5c\u65e5\u540e\u7684\u65e5\u671f&#xff1f;<\/h3>\n<p>\u5728\u7535\u5546\u3001\u91d1\u878d\u3001OA \u7cfb\u7edf\u5f00\u53d1\u4e2d&#xff0c;\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u8ba1\u7b97\u82e5\u5e72\u4e2a\u5de5\u4f5c\u65e5&#xff08;\u8df3\u8fc7\u5468\u672b\u548c\u6cd5\u5b9a\u8282\u5047\u65e5&#xff09;\u4e4b\u540e\u7684\u65e5\u671f\u3002\u5178\u578b\u573a\u666f\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\u5de5\u5355 SLA&#xff1a;\u627f\u8bfa 5 \u4e2a\u5de5\u4f5c\u65e5\u5185\u54cd\u5e94\u3002<\/li>\n<li>\u4ed8\u6b3e\u5230\u671f\u65e5&#xff1a;\u5408\u540c\u7ea6\u5b9a 3 \u4e2a\u5de5\u4f5c\u65e5\u5185\u4ed8\u6b3e\u3002<\/li>\n<li>\u5b9a\u65f6\u4efb\u52a1\u8c03\u5ea6&#xff1a;\u53ea\u5141\u8bb8\u5728\u4ea4\u6613\u65e5\u6267\u884c\u3002<\/li>\n<\/ul>\n<p>\u4f46\u95ee\u9898\u5728\u4e8e&#xff1a;<\/p>\n<ul>\n<li>\u5468\u672b\u56fa\u5b9a&#xff08;\u5468\u516d\u3001\u65e5&#xff09;\u5bb9\u6613\u5904\u7406\u3002<\/li>\n<li>\u6cd5\u5b9a\u8282\u5047\u65e5\u6bcf\u5e74\u4e0d\u540c&#xff0c;\u9700\u67e5\u9605\u56fd\u52a1\u9662\u516c\u544a\u3002<\/li>\n<li>\u8c03\u4f11\u8865\u73ed&#xff08;\u5982\u56fd\u5e86\u524d\u540e\u5468\u516d\u4e0a\u73ed&#xff09;\u8ba9\u7b80\u5355\u7684\u201c\u5468\u516d\u65e5\u4f11\u606f\u201d\u89c4\u5219\u5931\u6548\u3002<\/li>\n<\/ul>\n<p>\u56e0\u6b64&#xff0c;\u6570\u636e &#043; \u7b97\u6cd5\u7f3a\u4e00\u4e0d\u53ef\u3002\u672c\u6587\u63d0\u4f9b\u4e00\u5957\u57fa\u4e8e Java 8 java.time.LocalDate \u7684\u5b8c\u6574\u89e3\u51b3\u65b9\u6848&#xff0c;\u6838\u5fc3\u7b97\u6cd5\u91c7\u7528\u201c\u9010\u65e5\u9012\u589e &#043; \u52a8\u6001\u61d2\u52a0\u8f7d\u201d\u7b56\u7565&#xff0c;\u652f\u6301\u4efb\u610f\u8de8\u5e74&#xff08;\u54ea\u6015 workDays&#061;300 \u4e5f\u4e0d\u6015&#xff09;&#xff0c;\u5e76\u9644\u8d60 Date \u2194 LocalDate \u4e92\u8f6c\u5de5\u5177&#xff0c;\u5b8c\u7f8e\u517c\u5bb9\u8001\u65e7\u7cfb\u7edf\u3002<\/p>\n<hr \/>\n<h3>&#x1f9e0; \u6838\u5fc3\u7b97\u6cd5\u601d\u8def&#xff08;\u7b80\u5355\u7c97\u66b4&#xff0c;\u4f46\u6709\u6548&#xff09;<\/h3>\n<p>\u7b97\u6cd5\u672c\u8d28\u662f\u201c\u4e00\u5929\u4e00\u5929\u5730\u6570\u201d&#xff0c;\u76f4\u5230\u6570\u6ee1\u6307\u5b9a\u7684\u5de5\u4f5c\u65e5\u6570\u91cf\u3002<\/p>\n<h4>\u5224\u5b9a\u903b\u8f91&#xff08;\u4f18\u5148\u7ea7\u4ece\u9ad8\u5230\u4f4e&#xff09;<\/h4>\n<p>\u5bf9\u4e8e\u6bcf\u4e00\u5929&#xff0c;\u6211\u4eec\u6839\u636e\u5b83\u7684\u201c\u65e5\u671f\u5c5e\u6027\u201d\u5224\u65ad\u662f\u5426\u4e3a\u5de5\u4f5c\u65e5&#xff1a;<\/p>\n<table>\n<tr>\u65e5\u671f\u7c7b\u578b\u662f\u5426\u4e3a\u5de5\u4f5c\u65e5&#xff1f;<\/tr>\n<tbody>\n<tr>\n<td>\u5468\u4e00 ~ \u5468\u4e94<\/td>\n<td>\u9ed8\u8ba4\u662f\u5de5\u4f5c\u65e5&#xff0c;\u4f46\u5982\u679c\u8be5\u65e5\u671f\u5728\u201c\u6cd5\u5b9a\u8282\u5047\u65e5\u9ed1\u540d\u5355\u201d\u4e2d&#xff0c;\u5219\u4e0d\u662f\u5de5\u4f5c\u65e5\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5468\u516d ~ \u5468\u65e5<\/td>\n<td>\u9ed8\u8ba4\u4e0d\u662f\u5de5\u4f5c\u65e5&#xff0c;\u4f46\u5982\u679c\u8be5\u65e5\u671f\u5728\u201c\u8c03\u4f11\u8865\u73ed\u767d\u540d\u5355\u201d\u4e2d&#xff0c;\u5219\u662f\u5de5\u4f5c\u65e5&#xff08;\u5373\u8c03\u4f11\u4e0a\u73ed&#xff09;\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>\u7b97\u6cd5\u4f2a\u4ee3\u7801<\/h4>\n<p>\u8f93\u5165&#xff1a;\u8d77\u59cb\u65e5\u671f startDate, \u5de5\u4f5c\u65e5\u6570 workDays<br \/>\n\u8f93\u51fa&#xff1a;\u76ee\u6807\u65e5\u671f<\/p>\n<p>current &#061; startDate<br \/>\n\u5df2\u7d2f\u8ba1\u5de5\u4f5c\u65e5 &#061; 0<\/p>\n<p>while (\u5df2\u7d2f\u8ba1\u5de5\u4f5c\u65e5 &lt; workDays) {<br \/>\n    current &#061; current &#043; 1\u5929<br \/>\n    \u83b7\u53d6 current \u7684\u65e5\u671f\u5c5e\u6027&#xff08;\u662f\u5426\u5468\u672b\u3001\u662f\u5426\u8282\u5047\u65e5\u3001\u662f\u5426\u8c03\u4f11\u8865\u73ed&#xff09;<br \/>\n    if (current \u662f\u5de5\u4f5c\u65e5) {<br \/>\n        \u5df2\u7d2f\u8ba1\u5de5\u4f5c\u65e5 &#043;&#061; 1<br \/>\n    }<br \/>\n}<br \/>\nreturn current<\/p>\n<p>\u8fd9\u4e2a\u7b97\u6cd5\u7b80\u5355\u3001\u51c6\u786e&#xff0c;\u4e14\u9010\u5929\u9012\u589e\u7684\u6027\u80fd\u5f00\u9500\u5b8c\u5168\u53ef\u4ee5\u63a5\u53d7&#xff08;\u5373\u4f7f workDays&#061;10000&#xff0c;\u4e5f\u53ea\u662f\u4e07\u6b21\u5faa\u73af&#xff09;\u3002<\/p>\n<hr \/>\n<h3>\u26a1 \u6838\u5fc3\u4f18\u5316&#xff1a;\u52a8\u6001\u61d2\u52a0\u8f7d&#xff08;\u5f7b\u5e95\u89e3\u51b3\u8de8\u5e74&#xff09;<\/h3>\n<p>\u5f88\u591a\u521d\u5b66\u8005\u4f1a\u5728\u4ee3\u7801\u4e2d\u5199&#xff1a;<\/p>\n<p><span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>startDate<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMonth<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token constant\">DECEMBER<\/span> <span class=\"token operator\">&amp;&amp;<\/span> startDate<span class=\"token punctuation\">.<\/span><span class=\"token function\">getDay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u52a0\u8f7d\u4e0b\u4e00\u5e74\u7684\u6570\u636e<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u8fd9\u79cd\u5199\u6cd5\u6709\u4e24\u5927\u81f4\u547d\u7f3a\u9677&#xff1a;<\/p>\n<li>\u5982\u679c workDays \u8f83\u5927&#xff08;\u6bd4\u5982\u4ece 6 \u6708 1 \u65e5\u5f00\u59cb\u8ba1\u7b97 30 \u4e2a\u5de5\u4f5c\u65e5&#xff09;&#xff0c;\u6700\u7ec8\u65e5\u671f\u53ef\u80fd\u8de8\u5230\u6b21\u5e74&#xff0c;\u4f46\u4e0a\u8ff0\u6761\u4ef6\u4e0d\u89e6\u53d1\u3002<\/li>\n<li>\u5982\u679c workDays \u6781\u5927&#xff08;\u4f8b\u5982 300&#xff09;&#xff0c;\u751a\u81f3\u4f1a\u8de8\u5230\u7b2c\u4e09\u5e74&#xff0c;\u53ea\u52a0\u8f7d\u4e0b\u4e00\u5e74\u663e\u7136\u4e0d\u591f\u3002<\/li>\n<p>\u6b63\u786e\u505a\u6cd5&#xff1a;\u5728\u5faa\u73af\u4e2d\u6309\u9700\u52a0\u8f7d\u3002<\/p>\n<p>\u7ef4\u62a4\u4e00\u4e2a Map&lt;Integer, Set&lt;String&gt;&gt; \u4f5c\u4e3a\u7f13\u5b58&#xff0c;\u5f53 current \u8fdb\u5165\u4e00\u4e2a\u65b0\u7684\u5e74\u4efd\u65f6&#xff0c;\u7acb\u5373\u52a0\u8f7d\u8be5\u5e74\u7684\u8282\u5047\u65e5\/\u8865\u73ed\u6570\u636e\u3002\u8fd9\u6837\u65e0\u8bba workDays \u591a\u5927&#xff0c;\u90fd\u80fd\u81ea\u52a8\u52a0\u8f7d\u6240\u6709\u6d89\u53ca\u7684\u5e74\u4efd\u3002<\/p>\n<hr \/>\n<h3>&#x1f310; \u65b9\u6848\u4e00&#xff1a;\u5bf9\u63a5\u7b2c\u4e09\u65b9\u8282\u5047\u65e5 API&#xff08;\u96f6\u8fd0\u7ef4&#xff0c;\u5f00\u7bb1\u5373\u7528&#xff09;<\/h3>\n<p>\u5bf9\u4e8e\u521d\u521b\u9879\u76ee\u6216\u4e0d\u60f3\u7ef4\u62a4\u6570\u636e\u8868\u7684\u573a\u666f&#xff0c;\u76f4\u63a5\u4f7f\u7528\u514d\u8d39 API \u662f\u6700\u5feb\u6377\u7684\u65b9\u5f0f\u3002<br \/>\n\u8fd9\u91cc\u4ee5 ApiZero \u4e3a\u4f8b&#xff08;\u65e0\u9700\u6ce8\u518c&#xff0c;\u6bcf\u65e5 1000 \u6b21\u514d\u8d39\u8c03\u7528&#xff09;&#xff1a;<\/p>\n<p>GET https:\/\/v1.apizero.cn\/api\/holiday?year&#061;2026<\/p>\n<p>\u8fd4\u56de JSON \u793a\u4f8b&#xff08;\u5b57\u6bb5\u8bf4\u660e&#xff09;&#xff1a;<\/p>\n<p><span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token string-property property\">&#034;code&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">200<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token string-property property\">&#034;data&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token string-property property\">&#034;list&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n      <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token string-property property\">&#034;holiday&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;2026-10-01&#034;<\/span><span class=\"token punctuation\">,<\/span>           <span class=\"token comment\">\/\/ \u6cd5\u5b9a\u5047\u65e5&#xff08;\u5355\u65e5&#xff09;<\/span><br \/>\n        <span class=\"token string-property property\">&#034;vacation&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;2026-10-01~2026-10-07&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ \u5047\u671f\u8303\u56f4&#xff08;\u6216\u5355\u65e5&#xff09;<\/span><br \/>\n        <span class=\"token string-property property\">&#034;remark&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;2026-10-10&#034;<\/span>              <span class=\"token comment\">\/\/ \u8c03\u4f11\u8865\u73ed\u65e5\u671f&#xff08;\u5468\u516d\/\u65e5\u4e0a\u73ed&#xff09;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">]<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>1. Maven \u4f9d\u8d56&#xff08;\u7528\u4e8e\u89e3\u6790 JSON&#xff09;<\/h4>\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.json<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>json<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>20230227<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<h4>2. \u5b8c\u6574 Java \u5b9e\u73b0&#xff08;\u5305\u542b\u52a8\u6001\u61d2\u52a0\u8f7d&#xff09;<\/h4>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>json<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">JSONArray<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>json<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">JSONObject<\/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>io<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">BufferedReader<\/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>io<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">InputStreamReader<\/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>net<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpURLConnection<\/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>net<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">URL<\/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>time<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">LocalDate<\/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>time<span class=\"token punctuation\">.<\/span>format<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">DateTimeFormatter<\/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 operator\">*<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u5de5\u4f5c\u65e5\u8ba1\u7b97\u5668&#xff08;\u57fa\u4e8e\u7b2c\u4e09\u65b9 API&#xff0c;\u81ea\u52a8\u8de8\u5e74&#xff09;<br \/>\n *\/<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">WorkDayCalculatorByAPI<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token constant\">API_URL<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;https:\/\/v1.apizero.cn\/api\/holiday&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">DateTimeFormatter<\/span> <span class=\"token constant\">FMT<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">DateTimeFormatter<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">ofPattern<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;yyyy-MM-dd&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u61d2\u52a0\u8f7d\u7f13\u5b58&#xff1a;Key&#061;\u5e74\u4efd, Value&#061;\u8be5\u5e74\u7684\u65e5\u671f\u5b57\u7b26\u4e32\u96c6\u5408&#xff08;yyyy-MM-dd&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Integer<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Set<\/span><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token constant\">HOLIDAY_CACHE<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">HashMap<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/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 keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Integer<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Set<\/span><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token constant\">WORK_WEEKEND_CACHE<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">HashMap<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u8ba1\u7b97\u4ece startDate \u5f00\u59cb&#xff0c;\u7ecf\u8fc7 workDays \u4e2a\u5de5\u4f5c\u65e5\u540e\u7684\u65e5\u671f<br \/>\n     *<br \/>\n     * &#064;param startDate \u8d77\u59cb\u65e5\u671f&#xff08;\u5f53\u5929\u4e0d\u7b97&#xff0c;\u4ece\u7b2c\u4e8c\u5929\u5f00\u59cb&#xff09;<br \/>\n     * &#064;param workDays  \u9700\u8981\u7d2f\u8ba1\u7684\u5de5\u4f5c\u65e5\u6570&#xff08;\u6b63\u6570&#xff09;<br \/>\n     * &#064;return \u76ee\u6807\u65e5\u671f<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token class-name\">LocalDate<\/span> <span class=\"token function\">getDateAfterWorkDays<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">LocalDate<\/span> startDate<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> workDays<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 class-name\">LocalDate<\/span> current <span class=\"token operator\">&#061;<\/span> startDate<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> added <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>added <span class=\"token operator\">&lt;<\/span> workDays<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            current <span class=\"token operator\">&#061;<\/span> current<span class=\"token punctuation\">.<\/span><span class=\"token function\">plusDays<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> year <span class=\"token operator\">&#061;<\/span> current<span class=\"token punctuation\">.<\/span><span class=\"token function\">getYear<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u52a8\u6001\u61d2\u52a0\u8f7d&#xff1a;\u5f53\u5e74\u6570\u636e\u5c1a\u672a\u52a0\u8f7d&#xff0c;\u5219\u8c03\u7528 API \u62c9\u53d6\u5e76\u653e\u5165\u7f13\u5b58<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token constant\">HOLIDAY_CACHE<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">containsKey<\/span><span class=\"token punctuation\">(<\/span>year<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token constant\">HOLIDAY_CACHE<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">put<\/span><span class=\"token punctuation\">(<\/span>year<span class=\"token punctuation\">,<\/span> <span class=\"token function\">fetchHolidays<\/span><span class=\"token punctuation\">(<\/span>year<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token constant\">WORK_WEEKEND_CACHE<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">put<\/span><span class=\"token punctuation\">(<\/span>year<span class=\"token punctuation\">,<\/span> <span class=\"token function\">fetchWorkWeekends<\/span><span class=\"token punctuation\">(<\/span>year<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 class-name\">String<\/span> dateStr <span class=\"token operator\">&#061;<\/span> current<span class=\"token punctuation\">.<\/span><span class=\"token function\">format<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">FMT<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">boolean<\/span> isWeekend <span class=\"token operator\">&#061;<\/span> current<span class=\"token punctuation\">.<\/span><span class=\"token function\">getDayOfWeek<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token number\">6<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ 6&#061;\u5468\u516d, 7&#061;\u5468\u65e5<\/span><br \/>\n            <span class=\"token keyword\">boolean<\/span> isHoliday <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">HOLIDAY_CACHE<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span>year<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">contains<\/span><span class=\"token punctuation\">(<\/span>dateStr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">boolean<\/span> isWorkWeekend <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">WORK_WEEKEND_CACHE<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span>year<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">contains<\/span><span class=\"token punctuation\">(<\/span>dateStr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u6838\u5fc3\u5224\u5b9a&#xff1a;\u5468\u672b\u4ec5\u5728\u8865\u73ed\u65f6\u7b97\u5de5\u4f5c\u65e5&#xff0c;\u5e73\u65e5\u4ec5\u5728\u4e0d\u5c5e\u4e8e\u8282\u5047\u65e5\u65f6\u7b97\u5de5\u4f5c\u65e5<\/span><br \/>\n            <span class=\"token keyword\">boolean<\/span> isWorkDay <span class=\"token operator\">&#061;<\/span> isWeekend <span class=\"token operator\">?<\/span> isWorkWeekend <span class=\"token operator\">:<\/span> <span class=\"token operator\">!<\/span>isHoliday<span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>isWorkDay<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                added<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> current<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;- API \u4ea4\u4e92 &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u83b7\u53d6\u6307\u5b9a\u5e74\u4efd\u7684\u6cd5\u5b9a\u8282\u5047\u65e5\u65e5\u671f\u96c6\u5408<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token class-name\">Set<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">fetchHolidays<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> year<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 class-name\">JSONObject<\/span> data <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">fetchApiData<\/span><span class=\"token punctuation\">(<\/span>year<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">Set<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> holidays <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">HashSet<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/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 class-name\">JSONArray<\/span> list <span class=\"token operator\">&#061;<\/span> data<span class=\"token punctuation\">.<\/span><span class=\"token function\">optJSONArray<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;list&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>list <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span> holidays<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <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;<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">length<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\">JSONObject<\/span> item <span class=\"token operator\">&#061;<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">getJSONObject<\/span><span class=\"token punctuation\">(<\/span>i<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u6709\u4e9b API \u7528 holiday \u5b57\u6bb5&#xff0c;\u6709\u4e9b\u7528 vacation&#xff0c;\u90fd\u53d6\u5e76\u96c6<\/span><br \/>\n            <span class=\"token class-name\">String<\/span> holiday <span class=\"token operator\">&#061;<\/span> item<span class=\"token punctuation\">.<\/span><span class=\"token function\">optString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;holiday&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">String<\/span> vacation <span class=\"token operator\">&#061;<\/span> item<span class=\"token punctuation\">.<\/span><span class=\"token function\">optString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;vacation&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>holiday <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token operator\">!<\/span>holiday<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                holidays<span class=\"token punctuation\">.<\/span><span class=\"token function\">addAll<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">expandDateRange<\/span><span class=\"token punctuation\">(<\/span>holiday<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\">if<\/span> <span class=\"token punctuation\">(<\/span>vacation <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token operator\">!<\/span>vacation<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                holidays<span class=\"token punctuation\">.<\/span><span class=\"token function\">addAll<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">expandDateRange<\/span><span class=\"token punctuation\">(<\/span>vacation<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><br \/>\n        <span class=\"token keyword\">return<\/span> holidays<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u83b7\u53d6\u6307\u5b9a\u5e74\u4efd\u7684\u8c03\u4f11\u8865\u73ed\u65e5\u671f\u96c6\u5408&#xff08;\u5468\u516d\u65e5\u4e0a\u73ed&#xff09;<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token class-name\">Set<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">fetchWorkWeekends<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> year<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 class-name\">JSONObject<\/span> data <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">fetchApiData<\/span><span class=\"token punctuation\">(<\/span>year<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">Set<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> workWeekends <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">HashSet<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/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 class-name\">JSONArray<\/span> list <span class=\"token operator\">&#061;<\/span> data<span class=\"token punctuation\">.<\/span><span class=\"token function\">optJSONArray<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;list&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>list <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span> workWeekends<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <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;<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">length<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\">JSONObject<\/span> item <span class=\"token operator\">&#061;<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">getJSONObject<\/span><span class=\"token punctuation\">(<\/span>i<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ ApiZero \u7684\u8865\u73ed\u5b57\u6bb5\u4e3a remark&#xff0c;\u53ef\u80fd\u5305\u542b\u591a\u4e2a\u9017\u53f7\u5206\u9694\u7684\u65e5\u671f<\/span><br \/>\n            <span class=\"token class-name\">String<\/span> remark <span class=\"token operator\">&#061;<\/span> item<span class=\"token punctuation\">.<\/span><span class=\"token function\">optString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;remark&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>remark <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token operator\">!<\/span>remark<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 keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> d <span class=\"token operator\">:<\/span> remark<span class=\"token punctuation\">.<\/span><span class=\"token function\">split<\/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 class-name\">String<\/span> trimmed <span class=\"token operator\">&#061;<\/span> d<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 keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>trimmed<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                        workWeekends<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>trimmed<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> workWeekends<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u8c03\u7528 API \u83b7\u53d6\u539f\u59cb JSON \u6570\u636e<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token class-name\">JSONObject<\/span> <span class=\"token function\">fetchApiData<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> year<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 class-name\">String<\/span> urlStr <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">API_URL<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;?year&#061;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> year<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">HttpURLConnection<\/span> conn <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpURLConnection<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">URL<\/span><span class=\"token punctuation\">(<\/span>urlStr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">openConnection<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        conn<span class=\"token punctuation\">.<\/span><span class=\"token function\">setRequestMethod<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;GET&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        conn<span class=\"token punctuation\">.<\/span><span class=\"token function\">setConnectTimeout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">5000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        conn<span class=\"token punctuation\">.<\/span><span class=\"token function\">setReadTimeout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">5000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">int<\/span> code <span class=\"token operator\">&#061;<\/span> conn<span class=\"token punctuation\">.<\/span><span class=\"token function\">getResponseCode<\/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>code <span class=\"token operator\">!&#061;<\/span> <span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">throw<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">RuntimeException<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;API \u8c03\u7528\u5931\u8d25&#xff0c;HTTP \u72b6\u6001\u7801&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> code<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">BufferedReader<\/span> reader <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">BufferedReader<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">InputStreamReader<\/span><span class=\"token punctuation\">(<\/span>conn<span class=\"token punctuation\">.<\/span><span class=\"token function\">getInputStream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;UTF-8&#034;<\/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\">StringBuilder<\/span> sb <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">StringBuilder<\/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> line<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>line <span class=\"token operator\">&#061;<\/span> reader<span class=\"token punctuation\">.<\/span><span class=\"token function\">readLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span>line<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token class-name\">JSONObject<\/span> json <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JSONObject<\/span><span class=\"token punctuation\">(<\/span>sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">toString<\/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>json<span class=\"token punctuation\">.<\/span><span class=\"token function\">optInt<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;code&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">!&#061;<\/span> <span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">throw<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">RuntimeException<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;API \u8fd4\u56de\u9519\u8bef&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> json<span class=\"token punctuation\">.<\/span><span class=\"token function\">optString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;message&#034;<\/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 keyword\">return<\/span> json<span class=\"token punctuation\">.<\/span><span class=\"token function\">getJSONObject<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;data&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">finally<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            conn<span class=\"token punctuation\">.<\/span><span class=\"token function\">disconnect<\/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<p>    <span class=\"token comment\">\/**<br \/>\n     * \u5c55\u5f00\u65e5\u671f\u8303\u56f4&#xff0c;\u4f8b\u5982 &#034;2026-10-01~2026-10-07&#034; \u62c6\u6210\u6bcf\u4e00\u5929<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token class-name\">Set<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">expandDateRange<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> range<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">Set<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> dates <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">HashSet<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/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 keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>range <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">||<\/span> range<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 keyword\">return<\/span> dates<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>range<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 class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> parts <span class=\"token operator\">&#061;<\/span> range<span class=\"token punctuation\">.<\/span><span class=\"token function\">split<\/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 keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>parts<span class=\"token punctuation\">.<\/span>length <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token class-name\">LocalDate<\/span> start <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">LocalDate<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">parse<\/span><span class=\"token punctuation\">(<\/span>parts<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/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> <span class=\"token constant\">FMT<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token class-name\">LocalDate<\/span> end <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">LocalDate<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">parse<\/span><span class=\"token punctuation\">(<\/span>parts<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/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> <span class=\"token constant\">FMT<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>start<span class=\"token punctuation\">.<\/span><span class=\"token function\">isAfter<\/span><span class=\"token punctuation\">(<\/span>end<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                        dates<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>start<span class=\"token punctuation\">.<\/span><span class=\"token function\">format<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">FMT<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                        start <span class=\"token operator\">&#061;<\/span> start<span class=\"token punctuation\">.<\/span><span class=\"token function\">plusDays<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/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 keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Exception<\/span> ignored<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token comment\">\/\/ \u683c\u5f0f\u5f02\u5e38\u5219\u5ffd\u7565<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <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            dates<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>range<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> dates<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ &#8212;&#8212;&#8212;- \u6d4b\u8bd5 &#8212;&#8212;&#8212;-<\/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 keyword\">throws<\/span> <span class=\"token class-name\">Exception<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">LocalDate<\/span> start <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">LocalDate<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">of<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2026<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">6<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> workDays <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">30<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">LocalDate<\/span> result <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">getDateAfterWorkDays<\/span><span class=\"token punctuation\">(<\/span>start<span class=\"token punctuation\">,<\/span> workDays<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;\u4ece &#034;<\/span> <span class=\"token operator\">&#043;<\/span> start <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034; \u8d77 &#034;<\/span> <span class=\"token operator\">&#043;<\/span> workDays <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034; \u4e2a\u5de5\u4f5c\u65e5\u540e&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> result<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u65e0\u8bba\u8de8\u591a\u5c11\u5e74&#xff0c;\u90fd\u4f1a\u81ea\u52a8\u52a0\u8f7d\u5bf9\u5e94\u5e74\u4efd\u7684\u6570\u636e<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u6ce8\u610f&#xff1a;workDays&#061;300 \u867d\u7136\u7406\u8bba\u4e0a\u53ef\u884c&#xff0c;\u4f46\u73b0\u5b9e\u4e2d\u56fd\u5bb6\u53ea\u516c\u5e03\u672a\u6765\u4e00\u5e74\u7684\u8282\u5047\u65e5\u5b89\u6392&#xff0c;\u5982\u679c\u8de8\u5e74\u592a\u8fdc&#xff08;\u4f8b\u5982 2026 \u5e74\u8981\u8de8\u5230 2027 \u5e74\u5e95&#xff09;&#xff0c;API \u53ef\u80fd\u6ca1\u6709\u6570\u636e&#xff0c;\u6b64\u65f6\u9700\u8981\u4eba\u5de5\u4ecb\u5165\u6216\u4f7f\u7528\u6570\u636e\u5e93\u65b9\u6848\u3002<\/p>\n<hr \/>\n<h3>&#x1f5c4;\ufe0f \u65b9\u6848\u4e8c&#xff1a;\u81ea\u5efa\u6570\u636e\u5e93\u8868&#xff08;\u4f01\u4e1a\u7ea7\u63a8\u8350&#xff09;<\/h3>\n<p>\u5bf9\u4e8e\u91d1\u878d\u3001\u653f\u52a1\u7b49\u5bf9\u6570\u636e\u4e3b\u6743\u548c\u7a33\u5b9a\u6027\u8981\u6c42\u6781\u9ad8\u7684\u573a\u666f&#xff0c;\u5efa\u8bae\u5c06\u8282\u5047\u65e5\u6570\u636e\u5b58\u50a8\u5728\u81ea\u5df1\u7684\u6570\u636e\u5e93\u4e2d&#xff0c;\u6bcf\u5e74\u6839\u636e\u56fd\u52a1\u9662\u516c\u544a\u624b\u52a8\u7ef4\u62a4\u3002<\/p>\n<h4>1. MySQL \u8868\u7ed3\u6784\u8bbe\u8ba1<\/h4>\n<p><span class=\"token keyword\">CREATE<\/span> <span class=\"token keyword\">TABLE<\/span> <span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>holiday<span class=\"token punctuation\">&#096;<\/span><\/span> <span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>id<span class=\"token punctuation\">&#096;<\/span><\/span> <span class=\"token keyword\">INT<\/span> <span class=\"token keyword\">PRIMARY<\/span> <span class=\"token keyword\">KEY<\/span> <span class=\"token keyword\">AUTO_INCREMENT<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>date<span class=\"token punctuation\">&#096;<\/span><\/span> <span class=\"token keyword\">DATE<\/span> <span class=\"token operator\">NOT<\/span> <span class=\"token boolean\">NULL<\/span> <span class=\"token keyword\">COMMENT<\/span> <span class=\"token string\">&#039;\u65e5\u671f&#xff08;yyyy-MM-dd&#xff09;&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>is_work_day<span class=\"token punctuation\">&#096;<\/span><\/span> <span class=\"token keyword\">TINYINT<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">NOT<\/span> <span class=\"token boolean\">NULL<\/span> <span class=\"token keyword\">DEFAULT<\/span> <span class=\"token number\">0<\/span> <span class=\"token keyword\">COMMENT<\/span> <span class=\"token string\">&#039;0&#061;\u4f11\u606f\u65e5&#xff08;\u6cd5\u5b9a\u8282\u5047\u65e5&#xff09;&#xff0c;1&#061;\u5de5\u4f5c\u65e5&#xff08;\u8c03\u4f11\u8865\u73ed&#xff09;&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>year<span class=\"token punctuation\">&#096;<\/span><\/span> <span class=\"token keyword\">INT<\/span> <span class=\"token operator\">NOT<\/span> <span class=\"token boolean\">NULL<\/span> <span class=\"token keyword\">COMMENT<\/span> <span class=\"token string\">&#039;\u5e74\u4efd&#xff08;\u4fbf\u4e8e\u7d22\u5f15&#xff09;&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>description<span class=\"token punctuation\">&#096;<\/span><\/span> <span class=\"token keyword\">VARCHAR<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">DEFAULT<\/span> <span class=\"token boolean\">NULL<\/span> <span class=\"token keyword\">COMMENT<\/span> <span class=\"token string\">&#039;\u63cf\u8ff0&#xff0c;\u4f8b\u5982\u201c\u56fd\u5e86\u8282\u201d\u3001\u201c\u8c03\u4f11\u8865\u73ed\u201d&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token keyword\">UNIQUE<\/span> <span class=\"token keyword\">KEY<\/span> <span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>uk_date<span class=\"token punctuation\">&#096;<\/span><\/span> <span class=\"token punctuation\">(<\/span><span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>date<span class=\"token punctuation\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token keyword\">KEY<\/span> <span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>idx_year<span class=\"token punctuation\">&#096;<\/span><\/span> <span class=\"token punctuation\">(<\/span><span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>year<span class=\"token punctuation\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">ENGINE<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token keyword\">InnoDB<\/span> <span class=\"token keyword\">DEFAULT<\/span> <span class=\"token keyword\">CHARSET<\/span><span class=\"token operator\">&#061;<\/span>utf8mb4<span class=\"token punctuation\">;<\/span><\/p>\n<h4>2. \u793a\u4f8b\u6570\u636e&#xff08;2026 \u5e74\u90e8\u5206&#xff09;<\/h4>\n<table>\n<tr>dateis_work_daydescription<\/tr>\n<tbody>\n<tr>\n<td>2026-01-01<\/td>\n<td>0<\/td>\n<td>\u5143\u65e6<\/td>\n<\/tr>\n<tr>\n<td>2026-01-02<\/td>\n<td>0<\/td>\n<td>\u5143\u65e6\u8c03\u4f11<\/td>\n<\/tr>\n<tr>\n<td>2026-01-03<\/td>\n<td>0<\/td>\n<td>\u5143\u65e6\u8c03\u4f11<\/td>\n<\/tr>\n<tr>\n<td>2026-02-15<\/td>\n<td>0<\/td>\n<td>\u6625\u8282<\/td>\n<\/tr>\n<tr>\n<td>2026-02-16<\/td>\n<td>0<\/td>\n<td>\u6625\u8282\u8c03\u4f11<\/td>\n<\/tr>\n<tr>\n<td>2026-10-01<\/td>\n<td>0<\/td>\n<td>\u56fd\u5e86\u8282<\/td>\n<\/tr>\n<tr>\n<td>2026-10-02<\/td>\n<td>0<\/td>\n<td>\u56fd\u5e86\u8c03\u4f11<\/td>\n<\/tr>\n<tr>\n<td>2026-10-07<\/td>\n<td>0<\/td>\n<td>\u56fd\u5e86\u8c03\u4f11<\/td>\n<\/tr>\n<tr>\n<td>2026-10-10<\/td>\n<td>1<\/td>\n<td>\u8c03\u4f11\u8865\u73ed&#xff08;\u5468\u516d\u4e0a\u73ed&#xff09;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u7279\u522b\u8bf4\u660e&#xff1a;<\/p>\n<ul>\n<li>\u5bf9\u4e8e\u666e\u901a\u7684\u5468\u4e00\u81f3\u5468\u4e94&#xff0c;\u65e0\u9700\u63d2\u5165\u4efb\u4f55\u8bb0\u5f55&#xff0c;\u7cfb\u7edf\u9ed8\u8ba4\u5b83\u4eec\u4e3a\u5de5\u4f5c\u65e5\u3002<\/li>\n<li>\u4ec5\u9700\u63d2\u5165\u4e24\u7c7b\u201c\u4f8b\u5916\u201d&#xff1a;\u6cd5\u5b9a\u8282\u5047\u65e5&#xff08;is_work_day&#061;0&#xff09;\u548c\u8c03\u4f11\u8865\u73ed&#xff08;is_work_day&#061;1&#xff0c;\u901a\u5e38\u662f\u5468\u516d\u65e5&#xff09;\u3002<\/li>\n<\/ul>\n<h4>3. Java \u8bbf\u95ee\u6570\u636e\u5e93&#xff08;\u53ea\u5199\u903b\u8f91&#xff0c;\u4e0d\u5199\u5177\u4f53\u8fde\u63a5\u4ee3\u7801&#xff09;<\/h4>\n<p>\u5728 Service \u5c42&#xff0c;\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\u8bbe\u8ba1&#xff08;\u7701\u7565 JDBC \u7ec6\u8282&#xff0c;\u53ea\u5c55\u793a\u6838\u5fc3\u6d41\u7a0b&#xff09;&#xff1a;<\/p>\n<p><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">WorkDayCalculatorByDB<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u540c\u6837\u4f7f\u7528\u61d2\u52a0\u8f7d\u7f13\u5b58<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Integer<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Set<\/span><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token constant\">HOLIDAY_CACHE<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">HashMap<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/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 keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Integer<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Set<\/span><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token constant\">WORK_WEEKEND_CACHE<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">HashMap<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token class-name\">LocalDate<\/span> <span class=\"token function\">getDateAfterWorkDays<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">LocalDate<\/span> startDate<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> workDays<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">LocalDate<\/span> current <span class=\"token operator\">&#061;<\/span> startDate<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> added <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>added <span class=\"token operator\">&lt;<\/span> workDays<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            current <span class=\"token operator\">&#061;<\/span> current<span class=\"token punctuation\">.<\/span><span class=\"token function\">plusDays<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> year <span class=\"token operator\">&#061;<\/span> current<span class=\"token punctuation\">.<\/span><span class=\"token function\">getYear<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u5982\u679c\u7f13\u5b58\u4e2d\u6ca1\u6709\u8be5\u5e74\u7684\u6570\u636e&#xff0c;\u5219\u4ece\u6570\u636e\u5e93\u52a0\u8f7d<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token constant\">HOLIDAY_CACHE<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">containsKey<\/span><span class=\"token punctuation\">(<\/span>year<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token constant\">HOLIDAY_CACHE<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">put<\/span><span class=\"token punctuation\">(<\/span>year<span class=\"token punctuation\">,<\/span> <span class=\"token function\">loadHolidaysFromDB<\/span><span class=\"token punctuation\">(<\/span>year<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token constant\">WORK_WEEKEND_CACHE<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">put<\/span><span class=\"token punctuation\">(<\/span>year<span class=\"token punctuation\">,<\/span> <span class=\"token function\">loadWorkWeekendsFromDB<\/span><span class=\"token punctuation\">(<\/span>year<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 class-name\">String<\/span> dateStr <span class=\"token operator\">&#061;<\/span> current<span class=\"token punctuation\">.<\/span><span class=\"token function\">format<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">DateTimeFormatter<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">ISO_LOCAL_DATE<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">boolean<\/span> isWeekend <span class=\"token operator\">&#061;<\/span> current<span class=\"token punctuation\">.<\/span><span class=\"token function\">getDayOfWeek<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token number\">6<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">boolean<\/span> isHoliday <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">HOLIDAY_CACHE<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span>year<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">contains<\/span><span class=\"token punctuation\">(<\/span>dateStr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">boolean<\/span> isWorkWeekend <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">WORK_WEEKEND_CACHE<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span>year<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">contains<\/span><span class=\"token punctuation\">(<\/span>dateStr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>isWeekend <span class=\"token operator\">?<\/span> isWorkWeekend <span class=\"token operator\">:<\/span> <span class=\"token operator\">!<\/span>isHoliday<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                added<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> current<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u4ece\u6570\u636e\u5e93\u52a0\u8f7d\u6307\u5b9a\u5e74\u4efd\u7684\u8282\u5047\u65e5&#xff08;is_work_day&#061;0&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token class-name\">Set<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">loadHolidaysFromDB<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> year<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u6267\u884c SQL: SELECT date FROM holiday WHERE year &#061; ? AND is_work_day &#061; 0<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5c06\u7ed3\u679c\u96c6\u8f6c\u4e3a Set&lt;String&gt; \u5e76\u8fd4\u56de<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">HashSet<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u4f2a\u4ee3\u7801<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u4ece\u6570\u636e\u5e93\u52a0\u8f7d\u6307\u5b9a\u5e74\u4efd\u7684\u8c03\u4f11\u8865\u73ed&#xff08;is_work_day&#061;1&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token class-name\">Set<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">loadWorkWeekendsFromDB<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> year<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u6267\u884c SQL: SELECT date FROM holiday WHERE year &#061; ? AND is_work_day &#061; 1<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">HashSet<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u4f2a\u4ee3\u7801<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4f7f\u7528\u5efa\u8bae&#xff1a;<\/p>\n<ul>\n<li>\u6bcf\u5e74 11~12 \u6708\u56fd\u52a1\u9662\u516c\u5e03\u6b21\u5e74\u8282\u5047\u65e5\u5b89\u6392\u540e&#xff0c;\u901a\u8fc7\u6570\u636e\u5bfc\u5165\u5de5\u5177&#xff08;\u5982 Excel \u5bfc\u5165\u6216\u811a\u672c&#xff09;\u5c06\u6570\u636e\u63d2\u5165 holiday \u8868\u3002<\/li>\n<li>\u5e94\u7528\u542f\u52a8\u65f6\u53ef\u5c06\u5168\u91cf\u6570\u636e\u52a0\u8f7d\u5230\u5185\u5b58\u7f13\u5b58\u4e2d&#xff0c;\u907f\u514d\u6bcf\u6b21\u8ba1\u7b97\u90fd\u67e5\u8be2\u6570\u636e\u5e93&#xff08;\u6570\u636e\u91cf\u6781\u5c0f&#xff0c;\u6bcf\u5e74\u4e0d\u5230 50 \u6761&#xff09;\u3002<\/li>\n<\/ul>\n<hr \/>\n<h3>&#x1f504; Date \u2194 LocalDate \u4e92\u8f6c\u5de5\u5177&#xff08;\u517c\u5bb9\u8001\u65e7\u7cfb\u7edf&#xff09;<\/h3>\n<p>\u5982\u679c\u4f60\u7684\u9879\u76ee\u4ecd\u5728\u4f7f\u7528 java.util.Date&#xff0c;\u53ef\u4ee5\u5c01\u88c5\u4ee5\u4e0b\u5de5\u5177\u7c7b\u65e0\u7f1d\u96c6\u6210&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>time<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Instant<\/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>time<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">LocalDate<\/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>time<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ZoneId<\/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\">Date<\/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\">DateConverter<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * java.util.Date \u2192 java.time.LocalDate<br \/>\n     * \u4f7f\u7528\u7cfb\u7edf\u9ed8\u8ba4\u65f6\u533a&#xff0c;\u5982\u9700\u6307\u5b9a\u65f6\u533a\u53ef\u4f20\u5165 ZoneId.of(&#034;Asia\/Shanghai&#034;)<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token class-name\">LocalDate<\/span> <span class=\"token function\">toLocalDate<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Date<\/span> date<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">Instant<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">ofEpochMilli<\/span><span class=\"token punctuation\">(<\/span>date<span class=\"token punctuation\">.<\/span><span class=\"token function\">getTime<\/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 function\">atZone<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ZoneId<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">systemDefault<\/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 function\">toLocalDate<\/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 comment\">\/**<br \/>\n     * java.time.LocalDate \u2192 java.util.Date<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token class-name\">Date<\/span> <span class=\"token function\">toDate<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">LocalDate<\/span> localDate<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">Date<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">from<\/span><span class=\"token punctuation\">(<\/span>localDate<span class=\"token punctuation\">.<\/span><span class=\"token function\">atStartOfDay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ZoneId<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">systemDefault<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toInstant<\/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 punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4f7f\u7528\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token class-name\">Date<\/span> oldStart <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Date<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">LocalDate<\/span> startLocal <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">DateConverter<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toLocalDate<\/span><span class=\"token punctuation\">(<\/span>oldStart<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">LocalDate<\/span> resultLocal <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">WorkDayCalculatorByAPI<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getDateAfterWorkDays<\/span><span class=\"token punctuation\">(<\/span>startLocal<span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">Date<\/span> resultDate <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">DateConverter<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toDate<\/span><span class=\"token punctuation\">(<\/span>resultLocal<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<hr \/>\n<h3>&#x1f4dd; \u603b\u7ed3\u4e0e\u6700\u4f73\u5b9e\u8df5<\/h3>\n<table>\n<tr>\u5173\u952e\u70b9\u5efa\u8bae<\/tr>\n<tbody>\n<tr>\n<td align=\"left\">\u8de8\u5e74\u5904\u7406<\/td>\n<td align=\"left\">\u52a1\u5fc5\u4f7f\u7528\u672c\u6587\u7684\u52a8\u6001\u61d2\u52a0\u8f7d&#xff0c;\u5728\u5faa\u73af\u4e2d\u6309\u9700\u52a0\u8f7d\u5e74\u4efd\u6570\u636e&#xff0c;\u675c\u7edd\u786c\u7f16\u7801\u5224\u65ad\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">\u6570\u636e\u6e90\u9009\u62e9<\/td>\n<td align=\"left\">\u4e92\u8054\u7f51\u9879\u76ee\u53ef\u7528 API&#xff08;\u96f6\u7ef4\u62a4&#xff09;&#xff0c;\u4f01\u4e1a\u5185\u7f51\u6216\u5bf9\u6570\u636e\u53ef\u63a7\u6027\u8981\u6c42\u9ad8\u7684\u9879\u76ee\u5fc5\u987b\u7528\u6570\u636e\u5e93\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">\u7f13\u5b58\u7b56\u7565<\/td>\n<td align=\"left\">\u8282\u5047\u65e5\u6570\u636e\u6781\u5c11&#xff0c;\u5efa\u8bae\u4f7f\u7528 HashMap \u505a JVM \u5185\u5b58\u7f13\u5b58&#xff0c;\u907f\u514d\u91cd\u590d\u8c03\u7528 API \u6216\u67e5\u8be2\u6570\u636e\u5e93\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">\u6570\u636e\u66f4\u65b0<\/td>\n<td align=\"left\">API \u65b9\u6848\u65e0\u9700\u7ef4\u62a4&#xff1b;\u6570\u636e\u5e93\u65b9\u6848\u9700\u6bcf\u5e74\u6839\u636e\u56fd\u52a1\u9662\u516c\u544a\u5bfc\u5165\u6570\u636e&#xff0c;\u5e76\u6ce8\u610f\u8c03\u4f11\u8865\u73ed&#xff08;\u6807\u8bb0 is_work_day&#061;1&#xff09;\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">\u5e74\u4efd\u8d85\u9650\u95ee\u9898<\/td>\n<td align=\"left\">\u82e5 workDays \u8fc7\u5927&#xff08;\u5982 300&#xff09;&#xff0c;\u53ef\u80fd\u8de8\u5230\u672a\u53d1\u5e03\u6570\u636e\u7684\u672a\u6765\u5e74\u4efd\u3002\u6b64\u65f6 API \u53ef\u80fd\u8fd4\u56de\u7a7a\u6570\u636e&#xff0c;\u6570\u636e\u5e93\u4e5f\u53ef\u80fd\u65e0\u8bb0\u5f55\u3002\u5efa\u8bae\u4e1a\u52a1\u4e0a\u9650\u5236\u6700\u5927\u8ba1\u7b97\u8303\u56f4&#xff0c;\u6216\u8fd4\u56de\u9519\u8bef\u63d0\u793a\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">\u6027\u80fd<\/td>\n<td align=\"left\">\u9010\u65e5\u5faa\u73af\u5728 workDays \u4e3a\u51e0\u767e\u65f6\u6027\u80fd\u65e0\u5f71\u54cd&#xff0c;\u82e5\u8fbe\u5230\u6570\u4e07\u6b21\u5faa\u73af\u4e5f\u4ec5\u9700\u6beb\u79d2\u7ea7&#xff0c;\u65e0\u9700\u8fc7\u5ea6\u4f18\u5316\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<p>\u5e0c\u671b\u8fd9\u7bc7\u535a\u5ba2\u80fd\u5e2e\u52a9\u4f60\u5f7b\u5e95\u89e3\u51b3\u201c\u5de5\u4f5c\u65e5\u8ba1\u7b97\u201d\u8fd9\u4e00\u7ecf\u5178\u4e1a\u52a1\u96be\u9898\u3002 \u5982\u679c\u4f60\u6709\u66f4\u597d\u7684\u601d\u8def\u6216\u7591\u95ee&#xff0c;\u6b22\u8fce\u5728\u8bc4\u8bba\u533a\u4ea4\u6d41&#xff01;<\/p>\n<hr \/>\n<p>\u53d1\u5e03\u65e5\u671f&#xff1a;2026-08-07<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#x1f4cc; \u4e3a\u4ec0\u4e48\u8981\u8ba1\u7b97\u5de5\u4f5c\u65e5\u540e\u7684\u65e5\u671f&#xff1f;<br \/>\n\u5728\u7535\u5546\u3001\u91d1\u878d\u3001OA \u7cfb\u7edf\u5f00\u53d1\u4e2d&#xff0c;\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u8ba1\u7b97\u82e5\u5e72\u4e2a\u5de5\u4f5c\u65e5&#xff08;\u8df3\u8fc7\u5468\u672b\u548c\u6cd5\u5b9a\u8282\u5047\u65e5&#xff09;\u4e4b\u540e\u7684\u65e5\u671f\u3002\u5178\u578b\u573a\u666f\u5305\u62ec&#xff1a;<br \/>\n\u5de5\u5355 SLA&#xff1a;\u627f\u8bfa 5 \u4e2a\u5de5\u4f5c\u65e5\u5185\u54cd\u5e94\u3002\u4ed8\u6b3e\u5230\u671f\u65e5&#xff1a;\u5408\u540c\u7ea6\u5b9a 3 \u4e2a\u5de5\u4f5c\u65e5\u5185\u4ed8\u6b3e\u3002\u5b9a\u65f6\u4efb\u52a1\u8c03\u5ea6&#xff1a;\u53ea\u5141\u8bb8\u5728\u4ea4\u6613\u65e5\u6267\u884c\u3002<br \/>\n\u4f46\u95ee\u9898\u5728\u4e8e&#xff1a;<br \/>\n\u5468\u672b\u56fa\u5b9a&#xff08;\u5468\u516d\u3001\u65e5&#xff09;\u5bb9\u6613\u5904\u7406\u3002\u6cd5<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[10452,10336,10453,99],"topic":[],"class_list":["post-91571","post","type-post","status-publish","format-standard","hentry","category-server","tag-10452","tag-10336","tag-n","tag-java"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Java \u5b9e\u6218\uff1a\u7cbe\u786e\u8ba1\u7b97 N \u4e2a\u5de5\u4f5c\u65e5\u540e\u7684\u65e5\u671f\uff08\u652f\u6301\u8de8\u5e74\u3001\u8282\u5047\u65e5\u4e0e\u8c03\u4f11\u8865\u73ed\uff09 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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