Run's Studio

12.13 @RequestMapping用法

package com.runsstudio.springmvc.servlet;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.View;

@Controller

public class RequestMappingControllerTester {
    /**
     * 必须不包含username
     * @return
     */
    @RequestMapping(value = "/handle01" ,params = {"!username"},method = RequestMethod.GET)
    public String handle01(){
        System.out.println("RequestMappingControllerTester..handle01");
        return "success";
    }


    /**
     * 必须是火狐浏览器才能访问：把请求头复制过来
     */
    @RequestMapping(value = "/onlyFirefox" ,headers = {"User-Agent=Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:71.0) Gecko/20100101 Firefox/71.0"})
    public  String onlyFirefox(Model model){
        System.out.println("firefox...");
        model.addAttribute("name","firefox");
        model.addAttribute("time",System.currentTimeMillis());
        return "success";
    }

    /**
     * 模糊匹配功能：ANT风格
     * 模糊和精确都匹配的情况下 精确优先！
     * ?匹配 单个字符 优先级 high
     * *匹配 一层路径下的多个字符 优先级 mid
     * ** 匹配 多层路径下的多个字符 比如/a** /aaa 这样的话访问/aa/bb/cc/aaa也可以访问的到 优先级最低
     */
    @RequestMapping(value = "/AntStyleURL?")
    public String AntStyleUrl01(Model model){
        System.out.println("AntStyleUrl");
        model.addAttribute("name","AntStyleURL");
        return "success";
    }
    @RequestMapping(value = "/AntStyleURL*")
    public String AntStyleUrl02(Model model){
        System.out.println("AntStyleUrl2");
        model.addAttribute("name","AntStyleURL2");
        return "success";
    }

    /**
     * 路径上可以有占位符
     * 占位符只能占用一层路径
     */
    @RequestMapping("/user/{id}")
    public String pathVariableTest(@PathVariable("id")String id,Model model){
        System.out.println("占位符的值："+id);
        model.addAttribute("name",id);
        return "success";
    }

}