{"id":347,"date":"2023-05-27T17:49:42","date_gmt":"2023-11-18T11:32:53","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/jsp%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86-jsp%e9%94%99%e8%af%af%e9%a1%b5%e9%9d%a2\/"},"modified":"2025-08-02T00:47:48","modified_gmt":"2025-08-01T16:47:48","slug":"jsp%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86-jsp%e9%94%99%e8%af%af%e9%a1%b5%e9%9d%a2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/jsp%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86-jsp%e9%94%99%e8%af%af%e9%a1%b5%e9%9d%a2\/","title":{"rendered":"JSP\u5f02\u5e38\u5904\u7406\u5b8c\u5168\u6307\u5357\uff1a\u5982\u4f55\u521b\u5efa\u548c\u914d\u7f6eJSP\u9519\u8bef\u9875\u9762"},"content":{"rendered":"

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JSP\u9519\u8bef\u9875\u9762<\/h3>\n

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<%@ page language=\"java\" contentType=\"text\/html; charset=US-ASCII\"\r\n    pageEncoding=\"US-ASCII\"%>\r\n<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.01 Transitional\/\/EN\" \"https:\/\/www.w3.org\/TR\/html4\/loose.dtd\">\r\n<html>\r\n<head>\r\n<meta http-equiv=\"Content-Type\" content=\"text\/html; charset=US-ASCII\">\r\n<title>\u767b\u5f55\u9875\u9762<\/title>\r\n<\/head>\r\n<body>\r\n<form action=\"login.jsp\" method=\"post\">\r\n<strong>\u7528\u6237ID<\/strong>:<input type=\"text\" name=\"id\"><br>\r\n<strong>\u5bc6\u7801<\/strong>:<input type=\"password\" name=\"password\"><br>\r\n<input type=\"submit\" value=\"\u767b\u5f55\">\r\n<\/form>\r\n<\/body>\r\n<\/html>\r\n<\/code><\/pre>\n
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<%@ page language=\"java\" contentType=\"text\/html; charset=US-ASCII\"\r\n    pageEncoding=\"US-ASCII\" errorPage=\"error.jsp\"%>\r\n<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.01 Transitional\/\/EN\" \"https:\/\/www.w3.org\/TR\/html4\/loose.dtd\">\r\n<html>\r\n<head>\r\n<meta http-equiv=\"Content-Type\" content=\"text\/html; charset=US-ASCII\">\r\n<title>\u7528\u6237\u4e3b\u9875<\/title>\r\n<\/head>\r\n<body>\r\n<%\r\n\tString user = request.getParameter(\"id\");\r\n\tString pwd = request.getParameter(\"password\");\r\n\t\r\n\tif(user == null || \"\".equals(user) || pwd == null || \"\".equals(pwd)){\r\n\t\tthrow new ServletException(\"\u7f3a\u5c11\u5fc5\u8981\u53c2\u6570\");\r\n\t}\r\n\t\r\n%>\r\n\r\n<%-- \u4e3a\u7b80\u5316\u8d77\u89c1\uff0c\u6b64\u5904\u7701\u7565\u6570\u636e\u5e93\u5904\u7406\u64cd\u4f5c --%>\r\n\u4f60\u597d\uff0c<%=user %>\r\n<\/body>\r\n<\/html>\r\n<\/code><\/pre>\n
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<%@ page language=\"java\" contentType=\"text\/html; charset=US-ASCII\"\r\n    pageEncoding=\"US-ASCII\" isErrorPage=\"true\"%>\r\n<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.01 Transitional\/\/EN\" \"https:\/\/www.w3.org\/TR\/html4\/loose.dtd\">\r\n<html>\r\n<head>\r\n<meta http-equiv=\"Content-Type\" content=\"text\/html; charset=US-ASCII\">\r\n<title>\u9519\u8bef\u9875\u9762<\/title>\r\n<\/head>\r\n<body>\r\n<% if(response.getStatus() == 500){ %>\r\n<font color=\"red\">\u9519\u8bef\uff1a<%=exception.getMessage() %><\/font><br>\r\n\r\n<%-- \u5305\u542b\u767b\u5f55\u9875\u9762 --%>\r\n<%@ include file=\"index.jsp\"%>\r\n<%}else {%>\r\n\u60a8\u597d\uff0c\u9519\u8bef\u4ee3\u7801\u4e3a\uff1a<%=response.getStatus() %><br>\r\n\u8bf7\u524d\u5f80 <a href=\"\/index.jsp\">\u4e3b\u9875<\/a>\r\n<%} %>\r\n<\/body>\r\n<\/html>\r\n<\/code><\/pre>\n
\u8bf7\u6ce8\u610f isErrorPage \u9875\u9762\u6307\u4ee4\u5c5e\u6027\u503c\u4e3a true\u3002\u5f53\u5e94\u7528\u7a0b\u5e8f\u8d44\u6e90\u5f15\u53d1\u5f02\u5e38\u65f6\uff0c\u9519\u8bef\u4ee3\u7801\u4e3a500\uff0c\u4ee3\u7801\u7f16\u5199\u7528\u4e8e\u5904\u7406\u5e94\u7528\u7a0b\u5e8f\u7ea7\u522b\u7684\u5f02\u5e38\u4ee5\u53ca 404 – \u9875\u9762\u672a\u627e\u5230\u7b49\u9519\u8bef\u3002\u8fd8\u8bf7\u6ce8\u610f\u5728\u4efb\u4f55\u5f02\u5e38\u60c5\u51b5\u4e0b\u4f7f\u7528 include \u6307\u4ee4\u5448\u73b0\u7528\u6237\u767b\u5f55\u9875\u9762\u3002\u4ee5\u4e0b\u662f\u6211\u4eec\u5b9a\u4e49\u5e94\u7528\u7a0b\u5e8f\u7684\u9519\u8bef\u9875\u9762\u7684 web.xml\u3002<\/p>\n
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