<%@ 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> <!-- 实例化一个javaBeans对象 --> <jsp:useBean id="myUsers" class="com.po.Users" scope="page"/> <h1>setProperty动作元素</h1> <hr> <!-- 根据表单自动匹配所有的属性 --> <%-- <jsp:setProperty property="*" name="myUsers"/> 用户名:<%=myUsers.getUsername() %><br> 密码:<%=myUsers.getPassword() %><br> --%> <!-- name的值与上面id的值一致;匹配原则是根据表单上的名字匹配,表单中的name(例如username和password) 自动和javaBeans中的属性名字进行一一匹配,如果值相等,会自动调用set方法,然后将表单提交过来的值给javaBeans中的属性赋值 --> <!-- 根据表单匹配部分属性 --> <jsp:setProperty name="myUsers" property="username" /> 用户名:<%=myUsers.getUsername() %><br> 密码:<%=myUsers.getPassword() %><br> </body></html>
添加回答
举报
0/150
提交
取消