建立一个users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;}}
建立一个logind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" 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>建立一个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>
<!-- 更具表单匹配所有的属性 -->
<jsp:setProperty name="myUsers" property="*"/>
用户名:<%=myUsers.getUsername() %><br>
密码:<%=myUsers.getPassword() %><br>
</body>
</html>运行结果
建立一个dologin的jsp页面
<%@ 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>
<!-- 更具表单匹配部分的属性 -->
<jsp:setProperty name="myUsers" property="username"/>
用户名:<%=myUsers.getUsername() %><br>
密码:<%=myUsers.getPassword() %><br>
</body>
</html>运行结果
建立一个dologind的jsp页面
<%@ 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>
<!-- 通过手工赋值给属性-->
<jsp:setProperty name="myUsers" property="username" value="list"/>
<jsp:setProperty name="myUsers" property="password" value="888888"/>
用户名:<%=myUsers.getUsername() %><br>
密码:<%=myUsers.getPassword() %><br>
</body>
</html>运行结果
修改文件logind的jsp
修改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"/>
用户名:<%=myUsers.getUsername() %><br>
密码:<%=myUsers.getPassword() %><br>
</body>
</html>运行结果
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