為什么我用戶名匹配不了？？
package com.po;
public class Users {
public Users(){
}
private String username;
private int password;
public String getUserName() {
return username;
}
public void setUserName(String username) {
this.username = username;
}
public int getPassword() {
return password;
}
public void setPassword(int password) {
this.password = password;
}
}
<%@ 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 'login.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>
? ? <h1>系統(tǒng)登錄</h1>
? ? <hr>
? ? <form name="loginForm" action="dologin.jsp" method="post">
? ? ?<table>
? ? <tr>
? ? <td>用戶登錄:</td>
? ? <td><input type="text" name="username" value=""/></td>
? ? </tr>
? ? <tr>
? ? <td>密碼:</td>
? ? <td><input type="password" name="password" value=""/></td>
? ? </tr>
? ? <tr>
? ? <td colspan="2" align="center"><input type="submit" value="登錄"/></td>
? ? </tr>
? ? ? </table>
? ? </form>
? </body>
</html>
<%@ 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 'dologin.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>
? ? <h1>登陸成功</h1>
? ? <h2>setProperty動作元素</h2>
? ? <hr>
? ? <jsp:useBean id="myUser" class="com.po.Users" scope="page"/>
? ? <jsp:setProperty name="myUser" property="*" />
? ?
? ? ? ? 用戶名：<%=myUser.getUserName() %>
? ? ? ? 密碼:<%=myUser.getPassword() %>
? </body>
</html>
2017-01-10
private String username;
public String getUserName() {
return username;
}
你的username的getset的方法寫錯了，getUserName()應(yīng)該是setUsername
可以去查查自動生成的方法，就不用自己寫，不會錯了