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???????????????????//req.jsp<%@ page language="java" import="java.util.*" contentType="text/html; charset=utf-8"%><%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> ?<head> ???<base href="<%=basePath%>"> ???????<title>My JSP ‘req.jsp‘ starting page</title> ???<meta http-equiv="pragma" content="no-cache"><meta http-equiv="cache-control" content="no-cache"><meta http-equiv="expires" content="0"> ???<meta http-equiv="keywords" content="keyword1,keyword2,keyword3"><meta http-equiv="description" content="This is my page"><!--<link rel="stylesheet" type="text/css" href="styles.css">--> ?</head> ???<body> ???<form name="reqForm" action="registe.jsp" method="post"> ???<table> ???<tr> ???<td>用户名</td> ???<td><input type="text" name="username"/></td> ???</tr> ???<tr> ???<td>爱好</td> ???<td> ???<input type="checkbox" name="favorite" value="read"/>读书 ???<input type="checkbox" name="favorite" value="run"/>跑步 ???<input type="checkbox" name="favorite" value="Internet"/>上网 ???</td> ???</tr> ???<tr> ???<td colspan="3"><input type="submit" value="登陆"></td> ???</tr> ???</table> ???<br/> ???<br/> ???<a href="registe.jsp?username=张三">注冊</a> ???</form> ?</body></html>
//registe.jsp<%@ page language="java" import="java.util.*" contentType="text/html; charset=utf-8"%><%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html>? <head>??? <base href="<%=basePath%>">?? ???? <title>My JSP ‘registe.jsp‘ starting page</title>?? ??? ?<meta http-equiv="pragma" content="no-cache">?? ?<meta http-equiv="cache-control" content="no-cache">?? ?<meta http-equiv="expires" content="0">?? ??? ?<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">?? ?<meta http-equiv="description" content="This is my page">?? ?<!--?? ?<link rel="stylesheet" type="text/css" href="styles.css">?? ?-->? </head>? ? <body>? ?? ?<%? ?? ??? ?request.setCharacterEncoding("utf-8");//解决中文提交后的乱码问题,但不能解决URL链接过来的中文乱码问题? ?? ??? ?request.setAttribute("password", "123456");? ?? ?%>??? <%=request.getParameter("username") %>??? <%?? ??? ?if(request.getParameterValues("favorite") != null){?? ??? ??? ?String[] favorites = request.getParameterValues("favorite");?????? ??? ??????? ??? ?for(int i=0;i<favorites.length;i++){?????? ??? ??? ?out.println(favorites[i]+" ");?????? ??? ?}?? ??? ?}?? ??? ???? %><br/>??? <%=request.getAttribute("password") %><br/>??? <%=request.getCharacterEncoding() %><br/>??? 请求体的MIME类型：<%=request.getContentType() %><br>??? 请求的协议类型及其版本：<%=request.getProtocol() %><br>??? 返回接受请求的server主机名：<%=request.getServerName() %><br/>??? 返回server接受此请求所用的端口号：<%=request.getServerPort() %><br/>??? 返回请求体的长度：<%=request.getContentLength() %><br/>??? 返回请求的clientIP：<%=request.getRemoteAddr() %><br>??? 返回一虚拟路径的真实路径：<%=request.getRealPath("registe.jsp") %><br/>??? 返回上下文路径：<%=request.getContextPath() %>? </body></html><Connector port="8888" protocol="HTTP/1.1" ??????????????connectionTimeout="20000" ??????????????redirectPort="8443" URIEncoding="utf-8" />
JSP之request对象
原文地址：https://www.cnblogs.com/llguanli/p/8778134.html