strructs2寫登陸注冊界面
1.配置
建立目錄一覽如下
2.loginRegister.jsp
<%@ page language="java" import="java.util.*" pageEncoding="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 'loginRegister.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">
<script type="text/javascript">
function register() { //擷取頁面的第一個表單
targetForm = document.forms[0]; //動态修改表單的action屬性
targetForm.action = "loginReg!register";
}
</script>
</head>
<body>
<form action="loginReg!login" method="post">
使用者名：<input type="text" name="userName" />
<br> 密 碼：<input type="password" name="password"/><br>
<input type="submit" value=" 登入 " />
<input type="submit" value=" 注冊 " onclick="register();" />
</form>
</body>
</html>
3.login_error.jsp
<%@ page language="java" import="java.util.*" pageEncoding="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>登陸失敗</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>
登陸失敗<br>
</body>
</html>
4.register_error.jsp
<%@ page language="java" import="java.util.*" pageEncoding="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>注冊失敗</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>
使用者名不能為空，請重新注冊<br>
</body>
</html>
5.success.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<%@taglib prefix="s" uri="/struts-tags"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>注冊成功界面</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">
</head>
<body>
<s:property value="msg"/>
</body>
</html>
6.LoginRegisterAction.java
package action;
import com.opensymphony.xwork2.ActionSupport;
public class LoginRegisterAction extends ActionSupport{
private String userName;
private String password;
private String msg;
public String register() throws Exception{
if(!userName.equals("")){
setMsg("恭喜你，"+userName+"，注冊成功！");
return SUCCESS;
}else
return "register_error";
}
public String login() throws Exception{
if(getUserName().equals("QQ")&&getPassword().equals("123")){
setMsg("你的登入名為"+userName+"，登陸成功！");
return SUCCESS;
}else{
return "login_error";
}
}
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;
}
public String getMsg() {
return msg;
}
public void setMsg(String msg) {
this.msg = msg;
}
}
7.structs.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
<package name="login" extends="struts-default" namespace="/">
<action name="loginReg" class="action.LoginRegisterAction">
<result name="login_error">/login_error.jsp</result>
<result name="register_error">/register_error.jsp</result>
<result name="success">/success.jsp</result>
</action>
</package>
</struts>
8.web.xml這個在配置的時候已經自動配好了，不用動
運作結果：