{"id":175309,"date":"2024-11-08T04:47:18","date_gmt":"2024-11-07T20:47:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/175309\/"},"modified":"2024-11-08T04:47:18","modified_gmt":"2024-11-07T20:47:18","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8p%e8%a1%a8%e5%96%ae%e5%af%a6%e7%8f%be%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e4%b8%80%e8%a1%8c%e6%95%b8%e6%93%9a-jsp-form%e5%88%aa%e9%99%a4","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/175309\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528P\u8868\u55ae\u5be6\u73fe\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u4e00\u884c\u6578\u64da (jsp form\u522a\u9664\u4e00\u884c\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8p%e8%a1%a8%e5%96%ae%e5%af%a6%e7%8f%be%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e4%b8%80%e8%a1%8c%e6%95%b8%e6%93%9a-jsp-form%e5%88%aa%e9%99%a4-bgbPKSGDAu\">\u5982\u4f55\u4f7f\u7528P\u8868\u55ae\u5be6\u73fe\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u4e00\u884c\u6578\u64da (jsp form\u522a\u9664\u4e00\u884c\u6578\u64da\u5eab)<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u7db2\u9801\u61c9\u7528\u7a0b\u5f0f\u4e2d\uff0c\u6578\u64da\u7684\u7ba1\u7406\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u7576\u7528\u6236\u9700\u8981\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u7279\u5b9a\u6578\u64da\u6642\uff0c\u4f7f\u7528\u8868\u55ae\u4f86\u5be6\u73fe\u9019\u4e00\u529f\u80fd\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u505a\u6cd5\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528JSP\uff08JavaServer Pages\uff09\u548cHTML\u8868\u55ae\u4f86\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u4e00\u884c\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-bgbPKSGDAu\">\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u6211\u5011\u9700\u8981\u4e86\u89e3\u4e00\u4e9b\u57fa\u672c\u6982\u5ff5\u3002JSP\u662f\u4e00\u7a2e\u7528\u65bc\u5275\u5efa\u52d5\u614b\u7db2\u9801\u7684\u6280\u8853\uff0c\u5b83\u53ef\u4ee5\u8207Java\u5f8c\u7aef\u9032\u884c\u4ea4\u4e92\u3002\u6578\u64da\u5eab\u5247\u662f\u7528\u4f86\u5b58\u5132\u61c9\u7528\u7a0b\u5f0f\u6578\u64da\u7684\u5730\u65b9\uff0c\u901a\u5e38\u4f7f\u7528SQL\u8a9e\u8a00\u4f86\u9032\u884c\u6578\u64da\u7684\u589e\u522a\u6539\u67e5\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e6%a6%82%e8%bf%b0-bgbPKSGDAu\">\u6b65\u9a5f\u6982\u8ff0<\/h2>\n<p>\u5be6\u73fe\u522a\u9664\u6578\u64da\u7684\u904e\u7a0b\u53ef\u4ee5\u5206\u70ba\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li>\u5275\u5efaHTML\u8868\u55ae\u4ee5\u7372\u53d6\u7528\u6236\u8f38\u5165\u7684\u6578\u64da\u3002<\/li>\n<li>\u5728JSP\u9801\u9762\u4e2d\u8655\u7406\u8868\u55ae\u63d0\u4ea4\u3002<\/li>\n<li>\u4f7f\u7528SQL\u8a9e\u53e5\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u76f8\u61c9\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%89%b5%e5%bb%bahtml%e8%a1%a8%e5%96%ae-bgbPKSGDAu\">\u5275\u5efaHTML\u8868\u55ae<\/h2>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5275\u5efa\u4e00\u500bHTML\u8868\u55ae\uff0c\u8b93\u7528\u6236\u53ef\u4ee5\u8f38\u5165\u8981\u522a\u9664\u7684\u6578\u64da\u7684\u6a19\u8b58\u7b26\uff08\u4f8b\u5982ID\uff09\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u8868\u55ae\u793a\u4f8b\uff1a<\/p>\n<pre><code>&lt;form action=\"delete.jsp\" method=\"post\"&gt;\n    &lt;label for=\"id\"&gt;\u8acb\u8f38\u5165\u8981\u522a\u9664\u7684\u6578\u64daID:&lt;\/label&gt;\n    &lt;input type=\"text\" id=\"id\" name=\"id\" required&gt;\n    &lt;input type=\"submit\" value=\"\u522a\u9664\"&gt;\n&lt;\/form&gt;<\/code><\/pre>\n<h2 id=\"%e8%99%95%e7%90%86%e8%a1%a8%e5%96%ae%e6%8f%90%e4%ba%a4-bgbPKSGDAu\">\u8655\u7406\u8868\u55ae\u63d0\u4ea4<\/h2>\n<p>\u7576\u7528\u6236\u63d0\u4ea4\u8868\u55ae\u5f8c\uff0c\u6578\u64da\u5c07\u88ab\u767c\u9001\u5230\u540d\u70badelete.jsp\u7684\u9801\u9762\u3002\u5728\u9019\u500b\u9801\u9762\u4e2d\uff0c\u6211\u5011\u9700\u8981\u7372\u53d6\u7528\u6236\u8f38\u5165\u7684ID\u4e26\u57f7\u884c\u522a\u9664\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662fdelete.jsp\u7684\u4ee3\u78bc\u793a\u4f8b\uff1a<\/p>\n<pre><code>&lt;% \n    String id = request.getParameter(\"id\");\n    Connection conn = null;\n    PreparedStatement pstmt = null;\n\n    try {\n        \/\/ \u52a0\u8f09JDBC\u9a45\u52d5\n        Class.forName(\"com.mysql.cj.jdbc.Driver\");\n        \/\/ \u9023\u63a5\u5230\u6578\u64da\u5eab\n        conn = DriverManager.getConnection(\"jdbc:mysql:\/\/localhost:3306\/your_database\", \"username\", \"password\");\n        \n        \/\/ \u5275\u5efaSQL\u522a\u9664\u8a9e\u53e5\n        String sql = \"DELETE FROM your_table WHERE id = ?\";\n        pstmt = conn.prepareStatement(sql);\n        pstmt.setString(1, id);\n        \n        \/\/ \u57f7\u884c\u522a\u9664\u64cd\u4f5c\n        int rowsAffected = pstmt.executeUpdate();\n        if (rowsAffected &gt; 0) {\n            out.println(\"\u6210\u529f\u522a\u9664ID\u70ba \" + id + \" \u7684\u6578\u64da\u3002\");\n        } else {\n            out.println(\"\u672a\u627e\u5230ID\u70ba \" + id + \" \u7684\u6578\u64da\u3002\");\n        }\n    } catch (Exception e) {\n        e.printStackTrace();\n    } finally {\n        \/\/ \u95dc\u9589\u8cc7\u6e90\n        if (pstmt != null) try { pstmt.close(); } catch (SQLException e) { e.printStackTrace(); }\n        if (conn != null) try { conn.close(); } catch (SQLException e) { e.printStackTrace(); }\n    }\n%&gt;<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-bgbPKSGDAu\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u5be6\u73fe\u522a\u9664\u529f\u80fd\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u7279\u5225\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u7528\u6236\u8f38\u5165\u7684ID\u662f\u6709\u6548\u7684\uff0c\u4ee5\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\u3002<\/li>\n<li>\u5728\u522a\u9664\u6578\u64da\u4e4b\u524d\uff0c\u53ef\u4ee5\u8003\u616e\u6dfb\u52a0\u78ba\u8a8d\u6b65\u9a5f\uff0c\u4ee5\u907f\u514d\u8aa4\u522a\u9664\u3002<\/li>\n<li>\u5728\u751f\u7522\u74b0\u5883\u4e2d\uff0c\u61c9\u4f7f\u7528\u65e5\u8a8c\u8a18\u9304\u522a\u9664\u64cd\u4f5c\uff0c\u4ee5\u4fbf\u65bc\u5f8c\u7e8c\u7684\u5be9\u8a08\u548c\u8ffd\u8e64\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-bgbPKSGDAu\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u4f7f\u7528JSP\u548cHTML\u8868\u55ae\u4f86\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u4e00\u884c\u6578\u64da\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u7c21\u55ae\u6613\u7528\uff0c\u9084\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u61c9\u7528\u7a0b\u5f0f\uff0c\u9078\u64c7\u5408\u9069\u7684\u4e3b\u6a5f\u670d\u52d9\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528P\u8868\u55ae\u5728JSP\u4e2d\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u4e00\u884c\u6578\u64da\uff0c\u7c21\u5316\u6578\u64da\u7ba1\u7406\u6d41\u7a0b\uff0c\u63d0\u5347\u64cd\u4f5c\u6548\u7387\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-175309","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175309","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=175309"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175309\/revisions"}],"predecessor-version":[{"id":175310,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175309\/revisions\/175310"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=175309"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=175309"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=175309"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}