spring boot——请求与参数校验——request原理&request获取请求行数据示例

request原理：

 

 

 

 

 

 

 

 

 

 

 

 

 

request功能：

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

代码示例：

package org.example.controller;

import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Enumeration;

@RestController
public class ParamController
{
    @RequestMapping(value = "/test1")
    public void test1(HttpServletRequest request)
    {
        System.out.println(request.getMethod());   //获取请求方式；

        System.out.println(request.getContextPath());  //获取虚拟目录

        System.out.println(request.getServletPath());  //获取servlet路径

        System.out.println(request.getQueryString());   //获取请求参数

        System.out.println(request.getRequestURI());   //获取请求URI，部分

        System.out.println(request.getRequestURL());   //获取请求URI，全部



    }
}

 

 

 

 

 

 

 

响应：