Java Restful接口(举例)

package com.samjava.mall.controller;

import com.samjava.mall.AjaxResponse;
import com.samjava.mall.model.Article;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.*;

import java.util.Date;

@Slf4j
@RestController
@RequestMapping("/rest")  //请求前缀。
public class ArticleController {

//查询一篇文章，根据ID
//    @RequestMapping(value = "/articles/{id}",method = RequestMethod.GET)
    @GetMapping("/articles/{id}")
    public AjaxResponse getArticle(@PathVariable("id")  Long id){

Article article = Article.builder()
                .id(1L)
                .author("Sam")
                .content("内容内容")
                .createTime(new Date())
                .title("tittle1").build();
        log.info("getArticle:"+article);
        return  AjaxResponse.success(article);
    }


    //新增一篇文章
//    @RequestMapping(value = "/articles",method = RequestMethod.POST)
    @PostMapping("/articles")
    public AjaxResponse saveArticle(@RequestBody Article article){
        log.info("saveArticle:"+ article);

return  AjaxResponse.success();
    }


    //修改一篇文章
//    @RequestMapping(value = "/articles",method = RequestMethod.PUT)
    @PutMapping("/articles")
    public AjaxResponse updateArticle(@RequestBody Article article){

//        if(article.getId() == null){
//            //
//        }

log.info("updateArticle:"+article);
        return  AjaxResponse.success();
    }

//删除一篇文章
//    @RequestMapping(value = "/articles/{id}",method = RequestMethod.DELETE)
    @DeleteMapping("/articles/{id}")
    public AjaxResponse deleteArticle(@PathVariable("id")  Long id){

log.info("deleteArticle:"+id);
        return  AjaxResponse.success();
    }

}

package com.samjava.mall;
import lombok.Data;

@Data
public class AjaxResponse {
    private boolean isok;
    private  int code;
    private  String message;
    private   Object data;


    public   AjaxResponse(){}

public static AjaxResponse  success () {
        AjaxResponse ajaxResponse = new AjaxResponse();
        ajaxResponse.setIsok(true);
        ajaxResponse.setCode(200);
        ajaxResponse
                .setMessage("delete success ");
        return  ajaxResponse;
    }


    public static AjaxResponse success (Object obj) {
        AjaxResponse ajaxResponse = new AjaxResponse();
        ajaxResponse.setIsok(true);
        ajaxResponse.setCode(200);
        ajaxResponse
                .setMessage("query success ");
        ajaxResponse.setData(obj);
        return  ajaxResponse;
    }


    public static AjaxResponse  success (Object obj,String msg  ) {
        AjaxResponse ajaxResponse = new AjaxResponse();
        ajaxResponse.setIsok(true);
        ajaxResponse.setCode(200);
        ajaxResponse
                .setMessage(msg);
        ajaxResponse.setData(obj);
        return  ajaxResponse;
    }
}

spring:
  jackson:
    date-format: yyyy-MM-dd HH:mm:ss
    time-zone: GMT+8

http协议与Spring参数接收注解

Spring请求响应处理流程

ResponseBody & RequestBody