/***
* 最基本的接收参数形式
* @author jho
* http://localhost:8080/Struts3/index!login?name="123"&password="456"
*/
@SuppressWarnings("serial")
public class User extends ActionSupport {
private String name;
private int pwd;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getPwd() {
return pwd;
}
public void setPwd(int pwd) {
this.pwd = pwd;
}
public String login(){
System.out.println("name="+name+" Pwd="+pwd);
if(123456==pwd){
return SUCCESS;
}else{
return ERROR;
}
}
}
public class User {
private String name;
private String password;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
}
/***
* Dormain Model
* @author jho
* http://localhost:8080/Struts4/index!login?user.name="123"&user.password="456"
*/
@SuppressWarnings("serial")
public class UserAction extends ActionSupport {
private User user;
public User getUser() {
return user;
}
public void setUser(User user) {
this.user = user;
}
public String login(){
System.out.println("name="+user.getName()+" Pwd="+user.getPassword());
return SUCCESS;
}
}
/***
* Model Driven
* @author jho
* http://localhost:8080/Struts5/index!login?name="123"&password="456"
*/
@SuppressWarnings("serial")
public class UserAction extends ActionSupport implements ModelDriven<User>{
private User user = new User();
public String login(){
System.out.println("name="+user.getName()+" Pwd="+user.getPassword());
return SUCCESS;
}
public User getModel() {
return user;
}
}
@SuppressWarnings("serial")
public class InputErrorFilter extends ActionSupport{
private String name;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
@Override
public String execute() throws Exception {
return SUCCESS;
}
public String login(){
System.out.println(name+"");
if(name!=null && name.equals("hpu")){
return SUCCESS;
}else{
this.addFieldError("nameError", "用户名输入有误");
this.addFieldError("nameError", "ul li形式输出错误信息");
return ERROR;
}
}
}
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<%@taglib uri="/struts-tags" prefix="s"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>" rel="external nofollow" >
<title>My JSP 'error.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" rel="external nofollow" >
-->
</head>
<body>
操作失败 <br>
输入参数:<s:text name="name" /><br/>
<s:fielderror fieldName="nameError" theme="simple"/><br/>
<s:property value="errors.nameError[0]"/><br/>
<s:debug></s:debug>
</body>
</html>
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