VIP31/springmvc-demo/src/main/java/com/sf/controller/BookController.java

package com.sf.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;

// 控制器
@Controller
public class BookController {

    // 使用ModelAndView 来处理请求和响应中的 数据模型和视图
    // @RequestMapping 意思是请求映射
    // http://localhost:8080/springmvc_demo_war/hello
    @RequestMapping("/hello")
    public ModelAndView hello() {
        ModelAndView modelAndView = new ModelAndView();
        //  req.setAttribute("name","Spring MVC From Servlet");
        modelAndView.addObject("name","Spring MVC From Controller");
        //  req.getRequestDispatcher("/hello.jsp").forward(req,resp);
        modelAndView.setViewName("/hello.jsp");
        return modelAndView;
    }
}