package com.vodka.Controller;

import com.vodka.Entity.UserInfo;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;


@Controller
public class ModelController {


    
    
     //应用于方法无返回值时
    @ModelAttribute
    public  void MyModel(@RequestParam(required = false)String node, Model model){
        model.addAttribute("Nodes",node);
    }

    
    @ModelAttribute("NodeName")
    public String StringModel(@RequestParam(required = false)String MyNode ,Model model){
        return MyNode;
    }



    
    @RequestMapping(value = "/TestModel")
    public  String TestModel(){
        return "ModelTest";
    }

    
    @RequestMapping(value="/ModelTestSecond")
    public  String ModelTestSecond(@ModelAttribute("UInfo") UserInfo userInfo){
         if("vodka".equals(userInfo.getName()) && "lwjsfdsf".equals(userInfo.getPwd()) ){
            return "Login";   //用户密码匹配成功，返回登录界面
         }
        return "Register";   //匹配失败，返回注册界面
    }
}

index.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" pageEncoding="utf-8" %>


登录界面 

注册界面 

Model 

ModelTestSecond 





ModelTest.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>


    


    
Model Test
    
Nodes: ${Nodes}
    
NodeName: ${NodeName}





Register.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" pageEncoding="UTF-8" %>


    


     
欢迎${sessionScope.get("name")}来到注册界面







Login.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" pageEncoding="utf-8" %>
<%--必须引入的jstl核心--%>
<%@ taglib prefix="v" uri="http://java.sun.com/jsp/jstl/core"%>


    



    
         
登录失败!
 

         
             
${error}
 

         
     

     
         
登录成功!
 

         
             
欢迎${name}来到登录界面