{"id":97066,"date":"2024-10-20T14:43:19","date_gmt":"2024-10-20T06:43:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/97066\/"},"modified":"2024-10-20T14:43:20","modified_gmt":"2024-10-20T06:43:20","slug":"p%e5%88%86%e9%a0%81%e6%8a%80%e5%b7%a7%ef%bc%9a%e5%af%a6%e7%8f%be%e7%84%a1%e9%9c%80%e8%a8%aa%e5%95%8f%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%81-jsp%e5%88%86%e9%a0%81%e4%b8%8d%e7%b6%93%e9%81%8e%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/97066\/","title":{"rendered":"P\u5206\u9801\u6280\u5de7\uff1a\u5be6\u73fe\u7121\u9700\u8a2a\u554f\u6578\u64da\u5eab\uff01 (jsp\u5206\u9801\u4e0d\u7d93\u904e\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"p%e5%88%86%e9%a0%81%e6%8a%80%e5%b7%a7%ef%bc%9a%e5%af%a6%e7%8f%be%e7%84%a1%e9%9c%80%e8%a8%aa%e5%95%8f%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%81-jsp%e5%88%86%e9%a0%81%e4%b8%8d%e7%b6%93%e9%81%8e%e6%95%b8-EljJkrauKq\">P\u5206\u9801\u6280\u5de7\uff1a\u5be6\u73fe\u7121\u9700\u8a2a\u554f\u6578\u64da\u5eab\uff01 (jsp\u5206\u9801\u4e0d\u7d93\u904e\u6578\u64da\u5eab)<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u7db2\u9801\u958b\u767c\u4e2d\uff0c\u5206\u9801\u6280\u8853\u662f\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u7684\u91cd\u8981\u624b\u6bb5\u4e4b\u4e00\u3002\u50b3\u7d71\u7684\u5206\u9801\u65b9\u5f0f\u901a\u5e38\u9700\u8981\u5f9e\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u6578\u64da\uff0c\u9019\u4e0d\u50c5\u589e\u52a0\u4e86\u4f3a\u670d\u5668\u7684\u8ca0\u64d4\uff0c\u9084\u53ef\u80fd\u5c0e\u81f4\u6027\u80fd\u74f6\u9838\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728 JSP \u4e2d\u5be6\u73fe\u7121\u9700\u8a2a\u554f\u6578\u64da\u5eab\u7684\u5206\u9801\u6280\u5de7\uff0c\u5f9e\u800c\u63d0\u9ad8\u61c9\u7528\u7684\u6548\u7387\u548c\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%88%86%e9%a0%81%ef%bc%9f-EljJkrauKq\">\u4ec0\u9ebc\u662f\u5206\u9801\uff1f<\/h2>\n<p>\u5206\u9801\u662f\u5c07\u5927\u91cf\u6578\u64da\u5206\u6210\u591a\u500b\u9801\u9762\u986f\u793a\u7684\u6280\u8853\uff0c\u9019\u6a23\u7528\u6236\u53ef\u4ee5\u66f4\u65b9\u4fbf\u5730\u700f\u89bd\u4fe1\u606f\u3002\u5e38\u898b\u7684\u61c9\u7528\u5834\u666f\u5305\u62ec\u6587\u7ae0\u5217\u8868\u3001\u7522\u54c1\u5c55\u793a\u7b49\u3002\u5206\u9801\u4e0d\u50c5\u80fd\u6e1b\u5c11\u4e00\u6b21\u6027\u52a0\u8f09\u7684\u6578\u64da\u91cf\uff0c\u9084\u80fd\u63d0\u5347\u7528\u6236\u7684\u700f\u89bd\u9ad4\u9a57\u3002<\/p>\n<h2 id=\"%e7%84%a1%e9%9c%80%e8%a8%aa%e5%95%8f%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%88%86%e9%a0%81%e6%96%b9%e6%b3%95-EljJkrauKq\">\u7121\u9700\u8a2a\u554f\u6578\u64da\u5eab\u7684\u5206\u9801\u65b9\u6cd5<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u6211\u5011\u53ef\u80fd\u4e0d\u5e0c\u671b\u6bcf\u6b21\u90fd\u5f9e\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u6578\u64da\u3002\u9019\u6642\uff0c\u6211\u5011\u53ef\u4ee5\u8003\u616e\u5c07\u6578\u64da\u9810\u5148\u52a0\u8f09\u5230\u5167\u5b58\u4e2d\uff0c\u7136\u5f8c\u5728 JSP \u4e2d\u9032\u884c\u5206\u9801\u3002\u4ee5\u4e0b\u662f\u5be6\u73fe\u9019\u4e00\u65b9\u6cd5\u7684\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e9%a0%90%e5%8a%a0%e8%bc%89-EljJkrauKq\">1. \u6578\u64da\u9810\u52a0\u8f09<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5c07\u6578\u64da\u5f9e\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u4e26\u5b58\u5132\u5728\u4e00\u500b\u96c6\u5408\u4e2d\uff0c\u4f8b\u5982 ArrayList\u3002\u9019\u6a23\uff0c\u6211\u5011\u5c31\u53ef\u4ee5\u5728\u5167\u5b58\u4e2d\u64cd\u4f5c\u9019\u4e9b\u6578\u64da\uff0c\u800c\u4e0d\u5fc5\u6bcf\u6b21\u90fd\u8a2a\u554f\u6578\u64da\u5eab\u3002<\/p>\n<pre><code>\nList&lt;Article&gt; articles = new ArrayList&lt;&gt;();\n\/\/ \u5047\u8a2d\u5f9e\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u6578\u64da\u4e26\u586b\u5145 articles \u5217\u8868\n<\/code><\/pre>\n<h3 id=\"2-%e8%a8%88%e7%ae%97%e5%88%86%e9%a0%81%e5%8f%83%e6%95%b8-EljJkrauKq\">2. \u8a08\u7b97\u5206\u9801\u53c3\u6578<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u8a08\u7b97\u7576\u524d\u9801\u9762\u548c\u6bcf\u9801\u986f\u793a\u7684\u6578\u64da\u91cf\u3002\u9019\u53ef\u4ee5\u901a\u904e URL \u53c3\u6578\u4f86\u5be6\u73fe\u3002<\/p>\n<pre><code>\nint pageSize = 10; \/\/ \u6bcf\u9801\u986f\u793a\u7684\u6578\u91cf\nint currentPage = Integer.parseInt(request.getParameter(\"page\") != null ? request.getParameter(\"page\") : \"1\");\nint totalArticles = articles.size();\nint totalPages = (int) Math.ceil((double) totalArticles \/ pageSize);\n<\/code><\/pre>\n<h3 id=\"3-%e6%8f%90%e5%8f%96%e7%95%b6%e5%89%8d%e9%a0%81%e9%9d%a2%e7%9a%84%e6%95%b8%e6%93%9a-EljJkrauKq\">3. \u63d0\u53d6\u7576\u524d\u9801\u9762\u7684\u6578\u64da<\/h3>\n<p>\u6839\u64da\u8a08\u7b97\u51fa\u7684\u9801\u9762\u53c3\u6578\uff0c\u6211\u5011\u53ef\u4ee5\u5f9e\u9810\u52a0\u8f09\u7684\u6578\u64da\u4e2d\u63d0\u53d6\u7576\u524d\u9801\u9762\u7684\u6578\u64da\u3002<\/p>\n<pre><code>\nint startIndex = (currentPage - 1) * pageSize;\nint endIndex = Math.min(startIndex + pageSize, totalArticles);\nList&lt;Article&gt; currentPageArticles = articles.subList(startIndex, endIndex);\n<\/code><\/pre>\n<h3 id=\"4-%e9%a1%af%e7%a4%ba%e6%95%b8%e6%93%9a%e5%92%8c%e5%88%86%e9%a0%81%e5%b0%8e%e8%88%aa-EljJkrauKq\">4. \u986f\u793a\u6578\u64da\u548c\u5206\u9801\u5c0e\u822a<\/h3>\n<p>\u6700\u5f8c\uff0c\u6211\u5011\u53ef\u4ee5\u5728 JSP \u9801\u9762\u4e2d\u986f\u793a\u7576\u524d\u9801\u9762\u7684\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u5206\u9801\u5c0e\u822a\u3002<\/p>\n<pre><code>\n&lt;ul&gt;\n&lt;% for (Article article : currentPageArticles) { %&gt;\n    &lt;li&gt;&lt;%= article.getTitle() %&gt;&lt;\/li&gt;\n&lt;% } %&gt;\n&lt;\/ul&gt;\n\n&lt;div&gt;\n&lt;% for (int i = 1; i &lt;= totalPages; i++) { %&gt;\n    &lt;a href=\"?page=&lt;%= i %&gt;\"&gt;&lt;%= i %&gt;&lt;\/a&gt;\n&lt;% } %&gt;\n&lt;\/div&gt;\n<\/code><\/pre>\n<h2 id=\"%e5%84%aa%e9%bb%9e%e8%88%87%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-EljJkrauKq\">\u512a\u9ede\u8207\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u9019\u7a2e\u7121\u9700\u8a2a\u554f\u6578\u64da\u5eab\u7684\u5206\u9801\u65b9\u6cd5\u6709\u5e7e\u500b\u512a\u9ede\uff1a<\/p>\n<ul>\n<li>\u6e1b\u5c11\u4e86\u5c0d\u6578\u64da\u5eab\u7684\u8a2a\u554f\u6b21\u6578\uff0c\u964d\u4f4e\u4e86\u4f3a\u670d\u5668\u7684\u8ca0\u64d4\u3002<\/li>\n<li>\u63d0\u9ad8\u4e86\u6578\u64da\u52a0\u8f09\u7684\u901f\u5ea6\uff0c\u63d0\u5347\u4e86\u7528\u6236\u9ad4\u9a57\u3002<\/li>\n<li>\u7c21\u5316\u4e86\u4ee3\u78bc\u7d50\u69cb\uff0c\u6613\u65bc\u7dad\u8b77\u3002<\/li>\n<\/ul>\n<p>\u7136\u800c\uff0c\u9019\u7a2e\u65b9\u6cd5\u4e5f\u6709\u5176\u5c40\u9650\u6027\u3002\u7576\u6578\u64da\u91cf\u975e\u5e38\u9f90\u5927\u6642\uff0c\u5c07\u6240\u6709\u6578\u64da\u52a0\u8f09\u5230\u5167\u5b58\u4e2d\u53ef\u80fd\u6703\u5c0e\u81f4\u5167\u5b58\u4e0d\u8db3\u3002\u56e0\u6b64\uff0c\u5728\u9078\u64c7\u9019\u7a2e\u65b9\u6cd5\u6642\uff0c\u958b\u767c\u8005\u9700\u8981\u6839\u64da\u5177\u9ad4\u60c5\u6cc1\u9032\u884c\u8a55\u4f30\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-EljJkrauKq\">\u7e3d\u7d50<\/h2>\n<p>\u7121\u9700\u8a2a\u554f\u6578\u64da\u5eab\u7684 JSP \u5206\u9801\u6280\u8853\u662f\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u65b9\u5f0f\uff0c\u9069\u5408\u65bc\u6578\u64da\u91cf\u76f8\u5c0d\u8f03\u5c0f\u7684\u61c9\u7528\u5834\u666f\u3002\u901a\u904e\u9810\u52a0\u8f09\u6578\u64da\u4e26\u5728\u5167\u5b58\u4e2d\u9032\u884c\u64cd\u4f5c\uff0c\u6211\u5011\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u61c9\u7528\u7684\u6027\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u7db2\u7ad9\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u5c07\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u7db2\u7ad9\u5728\u9ad8\u6d41\u91cf\u4e0b\u7684\u7a69\u5b9a\u6027\u548c\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22P\u5206\u9801\u6280\u5de7\uff0c\u5be6\u73fe\u7121\u9700\u8a2a\u554f\u6578\u64da\u5eab\u7684JSP\u5206\u9801\uff0c\u63d0\u5347\u6027\u80fd\u8207\u7528\u6236\u9ad4\u9a57\uff0c\u7c21\u5316\u6578\u64da\u8655\u7406\u6d41\u7a0b\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-97066","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97066","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=97066"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97066\/revisions"}],"predecessor-version":[{"id":97067,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97066\/revisions\/97067"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=97066"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=97066"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=97066"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}