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  • spring mvc 返回页面数据

    handler

    package com.stone.controller;
    
    import java.util.Map;
    
    import javax.servlet.http.HttpServletRequest;
    
    import org.springframework.stereotype.Controller;
    import org.springframework.ui.Model;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.servlet.ModelAndView;
    
    /**
     * user/list.do user/add.do
     */
    @Controller
    @RequestMapping("/user")
    public class UserController {
    
        @RequestMapping("/add1.do")
        public String add(HttpServletRequest request) {
            String userNum = request.getParameter("userNum");
            String passWord = request.getParameter("passWord");
            String x = "userNum:" + userNum + "   passWord:" + passWord;
            System.out.println(x);
            request.setAttribute("user", x);
            return "user_add1";
        }
    
        @RequestMapping("/add2.do")
        public ModelAndView add2() {
    
            ModelAndView mav = new ModelAndView("user_add1");
            mav.addObject("userId", 1001);
            mav.addObject("userName", "张三");
            return mav;
        }
    
        @RequestMapping("/add3.do")
        public String add3(Model model) {
            model.addAttribute("personId", 9527);
            model.addAttribute("personName", "唐伯虎");
    //model.addAttribute("唐伯虎");==model.addAttribute("string","唐伯虎");
    //model.addAttribute(new User()); == model.addAttribute("user",new User());
    return "user_add1"; } @RequestMapping("/add4.do") public String add4(Map<String, Object> map) { // 这样是获取不到的; System.out.println("-----" + map.get("personId")); map.put("personId", 9528); map.put("personName", "唐伯虎1"); return "user_add1"; } }
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  • 原文地址:https://www.cnblogs.com/stono/p/4484103.html
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