定义一个login的jsp
<%@ page language="java" import="java.util.*" contentType="text/html; charset=utf-8"%><!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<h1>用户登录</h1>
<hr>
<form action="dologind.jsp?mypass=999999" name="loginForm" method="post">
<table>
<tr>
<td>用户名:</td>
<td><input type="text" name="username"/></td>
</tr>
<tr>
<td>密码:</td>
<td><input type="password" name="password"/></td>
</tr>
<tr>
<td colspan="2"><input type="submit" value="登录"></td>
</tr>
</table>
</body>
</html>
user类
package srever;public class Users {private String username;private String password;public Users() {}public String getUsername() {return username;}public void setUsername(String username) {this.username = username;}public String getPassword() {return password;}public void setPassword(String password) {this.password = password;}}
定义一个dologind的jsp
<%@ page language="java" import="java.util.*" contentType="text/html; charset=utf-8"%><!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<jsp:useBean id="myUsers" class="srever.Users" scope="page"/>
<h1>setproperty</h1><br>
<!-- 通过url传参数给属性赋值-->
<jsp:setProperty name="myUsers" property="username"/>
<jsp:setProperty name="myUsers" property="password" param="mypass"/>
<!-- 使用getproperty获取密码 -->
账号:<jsp:getProperty name="myUsers" property="username"/>
密码:<jsp:getProperty name="myUsers" property="password" />
</body>
</html>
运行结果