SpringBoot接受参数-LinusChen的博客

SpringBoot支持多种的接收参数比如简单参数，实体参数，数组集合参数，时间日期参数，json参数，路径参数。我将用代码记录这些接受方式的实现过程。用作备忘

package com.itheima.controller;

import com.itheima.pojo.User;
import org.springframework.format.annotation.DateTimeFormat;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.time.LocalDateTime;
import java.util.Arrays;
import java.util.List;

/**
 * 测试请求参数接收
 */
@RestController
public class RequestController {

    @RequestMapping("/simpleParam")
    public String simpleParam(@RequestParam(name = "name", required = false) String username, Integer age){
        System.out.println(username+ ":" + age);
        return "OK";
    }


    //2. 实体参数
    @RequestMapping("/simplePojo")
    public String simplePojo(User user){
        System.out.println(user);
        return "OK";
    }

    @RequestMapping("/complexPojo")
    public String complexPojo(User user){
        System.out.println(user);
        return "OK";
    }

    //3. 数组集合参数
    @RequestMapping("/arrayParam")
    public String arrayParam(String[] hobby){
        System.out.println(Arrays.toString(hobby));
        return "OK";
    }

    @RequestMapping("/listParam")
    public String listParam(@RequestParam List<String> hobby){
        System.out.println(hobby);
        return "OK";
    }

    //4. 日期时间参数
    @RequestMapping("/dateParam")
    public String dateParam(@DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss") LocalDateTime updateTime){
        System.out.println(updateTime);
        return "OK";
    }

    //5. json参数
    @RequestMapping("/jsonParam")
    public String jsonParam(@RequestBody User user){
        System.out.println(user);
        return "OK";
    }

    //6. 路径参数
    @RequestMapping("/path/{id}")
    public String pathParam(@PathVariable Integer id){
        System.out.println(id);
        return "OK";
    }

    @RequestMapping("/path/{id}/{name}")
    public String pathParam2(@PathVariable Integer id , @PathVariable String name){
        System.out.println(id);
        System.out.println(name);
        return "OK";
    }
}