JavaBean簡單介紹與使用（例項：JSP+JavaBean註冊驗證）
阿新 • • 發佈：2018-12-23
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <% request.setCharacterEncoding("utf-8"); %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <base href="<%=basePath%>"> <title>Register</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> <jsp:useBean id="register" scope="request" class="com.kinglong.vo.Register"></jsp:useBean> <body> <form action="Check.jsp" method="post"> username:<input type="text" name="username" value=<jsp:getProperty property="username" name="register"/>><%=register.getErrMsg("errUsername") %><br><br> password:<input type="password" name="password" value=<jsp:getProperty property="password" name="register"/>><%=register.getErrMsg("errPassword") %><br><br> age:<input type="text" name="age" value=<jsp:getProperty property="age" name="register"/>><%=register.getErrMsg("errAge") %><br><br> email:<input type="text" name="email" value=<jsp:getProperty property="email" name="register"/>><%=register.getErrMsg("errEmail") %><br><br> <input type="submit" value="login"> <input type="reset" value="reset"> </form> </body> </html>