{"id":167061,"date":"2024-11-05T22:02:21","date_gmt":"2024-11-05T14:02:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/167061\/"},"modified":"2024-11-05T22:02:21","modified_gmt":"2024-11-05T14:02:21","slug":"%e5%88%a9%e7%94%a8p%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e5%ba%ab%e4%bf%a1%e6%81%af%e7%b6%b2%e9%a0%81%e5%b1%95%e7%a4%ba-jsp%e7%94%a8%e7%b6%b2%e9%a0%81%e9%a1%af%e7%a4%ba%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/167061\/","title":{"rendered":"\u5229\u7528P\u5be6\u73fe\u6578\u64da\u5eab\u4fe1\u606f\u7db2\u9801\u5c55\u793a (jsp\u7528\u7db2\u9801\u986f\u793a\u6578\u64da\u5eab\u6578\u64da)"},"content":{"rendered":"<h1 id=\"%e5%88%a9%e7%94%a8jsp%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e5%ba%ab%e4%bf%a1%e6%81%af%e7%b6%b2%e9%a0%81%e5%b1%95%e7%a4%ba-WMThstWwgI\">\u5229\u7528JSP\u5be6\u73fe\u6578\u64da\u5eab\u4fe1\u606f\u7db2\u9801\u5c55\u793a<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u5df2\u6210\u70ba\u7db2\u7ad9\u958b\u767c\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002JavaServer Pages\uff08JSP\uff09\u662f\u4e00\u7a2e\u57fa\u65bcJava\u7684\u6280\u8853\uff0c\u80fd\u5920\u8f15\u9b06\u5730\u5c07\u6578\u64da\u5eab\u4e2d\u7684\u4fe1\u606f\u5c55\u793a\u5728\u7db2\u9801\u4e0a\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528JSP\u4f86\u5be6\u73fe\u6578\u64da\u5eab\u4fe1\u606f\u7684\u7db2\u9801\u5c55\u793a\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"jsp%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-WMThstWwgI\">JSP\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>JavaServer Pages\uff08JSP\uff09\u662f\u4e00\u7a2e\u52d5\u614b\u7db2\u9801\u6280\u8853\uff0c\u5141\u8a31\u958b\u767c\u8005\u5728HTML\u4e2d\u5d4c\u5165Java\u4ee3\u78bc\u3002\u9019\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u751f\u6210\u52d5\u614b\u5167\u5bb9\uff0c\u4e26\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002JSP\u7684\u512a\u52e2\u5728\u65bc\u5176\u7c21\u55ae\u6027\u548c\u9748\u6d3b\u6027\uff0c\u7279\u5225\u9069\u5408\u7528\u65bc\u9700\u8981\u983b\u7e41\u66f4\u65b0\u6578\u64da\u7684\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-WMThstWwgI\">\u6578\u64da\u5eab\u9023\u63a5<\/h2>\n<p>\u5728\u4f7f\u7528JSP\u5c55\u793a\u6578\u64da\u5eab\u4fe1\u606f\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u5efa\u7acb\u8207\u6578\u64da\u5eab\u7684\u9023\u63a5\u3002\u9019\u901a\u5e38\u901a\u904eJDBC\uff08Java Database Connectivity\uff09\u4f86\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u9023\u63a5\u5230MySQL\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>\n\n\n<\/code><\/pre>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a%e4%b8%a6%e5%b1%95%e7%a4%ba-WMThstWwgI\">\u67e5\u8a62\u6578\u64da\u4e26\u5c55\u793a<\/h2>\n<p>\u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u5c31\u53ef\u4ee5\u57f7\u884cSQL\u67e5\u8a62\u4e26\u5c07\u7d50\u679c\u5c55\u793a\u5728\u7db2\u9801\u4e0a\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u67e5\u8a62\u6578\u64da\u4e26\u5728JSP\u9801\u9762\u4e0a\u986f\u793a\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n\n&lt;%\n    String url = &quot;jdbc:mysql:\/\/localhost:3306\/your_database&quot;;\n    String user = &quot;your_username&quot;;\n    String password = &quot;your_password&quot;;\n    Connection conn = null;\n    Statement stmt = null;\n    ResultSet rs = null;\n\n    try {\n        Class.forName(&quot;com.mysql.cj.jdbc.Driver&quot;);\n        conn = DriverManager.getConnection(url, user, password);\n        stmt = conn.createStatement();\n        String sql = &quot;SELECT * FROM your_table&quot;;\n        rs = stmt.executeQuery(sql);\n\n        out.println(&quot;<table border='1'>\");\n        out.println(\"<tr><th>ID<\/th><th>Name<\/th><th>Age<\/th><\/tr>\");\n        while (rs.next()) {\n            out.println(\"<tr>\");\n            out.println(\"<td>\" + rs.getInt(\"id\") + \"<\/td>\");\n            out.println(\"<td>\" + rs.getString(\"name\") + \"<\/td>\");\n            out.println(\"<td>\" + rs.getInt(\"age\") + \"<\/td>\");\n            out.println(\"<\/tr>\");\n        }\n        out.println(\"<\/table>\");\n    } catch (Exception e) {\n        out.println(\"\u67e5\u8a62\u5931\u6557\uff1a\" + e.getMessage());\n    } finally {\n        if (rs != null) try { rs.close(); } catch (SQLException e) { e.printStackTrace(); }\n        if (stmt != null) try { stmt.close(); } catch (SQLException e) { e.printStackTrace(); }\n        if (conn != null) try { conn.close(); } catch (SQLException e) { e.printStackTrace(); }\n    }\n%&gt;\n<\/code><\/pre>\n<h2 id=\"%e5%ae%89%e5%85%a8%e6%80%a7%e8%80%83%e9%87%8f-WMThstWwgI\">\u5b89\u5168\u6027\u8003\u91cf<\/h2>\n<p>\u5728\u5be6\u73fe\u6578\u64da\u5eab\u4fe1\u606f\u5c55\u793a\u6642\uff0c\u5b89\u5168\u6027\u662f\u5fc5\u9808\u8003\u616e\u7684\u91cd\u8981\u56e0\u7d20\u3002\u4f7f\u7528PreparedStatement\u53ef\u4ee5\u6709\u6548\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528PreparedStatement\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-WMThstWwgI\">\u7e3d\u7d50<\/h2>\n<p>\u5229\u7528JSP\u4f86\u5c55\u793a\u6578\u64da\u5eab\u4fe1\u606f\u662f\u4e00\u500b\u9ad8\u6548\u4e14\u9748\u6d3b\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u6b63\u78ba\u7684\u6578\u64da\u5eab\u9023\u63a5\u3001\u67e5\u8a62\u548c\u5b89\u5168\u63aa\u65bd\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5c07\u52d5\u614b\u6578\u64da\u5448\u73fe\u5728\u7db2\u9801\u4e0a\u3002\u9019\u4e0d\u50c5\u63d0\u9ad8\u4e86\u7528\u6236\u9ad4\u9a57\uff0c\u4e5f\u4f7f\u5f97\u6578\u64da\u7ba1\u7406\u8b8a\u5f97\u66f4\u52a0\u65b9\u4fbf\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4f86\u652f\u6301\u60a8\u7684JSP\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u7db2\u7ad9\u9084\u662f\u5927\u578b\u61c9\u7528\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5229\u7528P\u5be6\u73fe\u6578\u64da\u5eab\u4fe1\u606f\u7db2\u9801\u5c55\u793a\uff0c\u900f\u904eJSP\u6280\u8853\u8f15\u9b06\u986f\u793a\u548c\u7ba1\u7406\u6578\u64da\u5eab\u6578\u64da\uff0c\u63d0\u5347\u7db2\u7ad9\u4e92\u52d5\u6027\u8207\u7528\u6236\u9ad4\u9a57\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-167061","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167061","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=167061"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167061\/revisions"}],"predecessor-version":[{"id":167062,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167061\/revisions\/167062"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=167061"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=167061"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=167061"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}