实现数据的增删查改控制器

谁借莪１个温暖的怀抱￠ 2021-07-24 20:38 337阅读 0赞

**一 代码位置**

[https://gitee.com/cakin24/code/tree/master/09/RESTful][https_gitee.com_cakin24_code_tree_master_09_RESTful]

**二 关键代码**

package com.example.demo.controller;
    import com.example.demo.entity.Article;
    import com.example.demo.repository.ArticleRepository;
    import com.example.demo.result.ExceptionMsg;
    import com.example.demo.result.Response;
    import com.example.demo.result.ResponseData;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.boot.web.client.RestTemplateBuilder;
    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.bind.annotation.RestController;
    import org.springframework.web.client.RestTemplate;
    import java.io.IOException;
    import java.util.ArrayList;
    import java.util.List;
    
    @RestController
    @RequestMapping("article")
    public class ArticleController {
        protected Response result(ExceptionMsg msg){
            return new Response(msg);
        }
        protected Response result(){
            return new Response();
        }
    
        @Autowired
        private ArticleRepository articleRepository;
        @Autowired
        RestTemplateBuilder restTemplateBuilder;
    
        //查 Test1
        @RequestMapping(value = "/", method = RequestMethod.GET)
        public ResponseData  getArticleList() {
            List<Article> list = new ArrayList<Article>(articleRepository.findAll());
            return new ResponseData(ExceptionMsg.SUCCESS,list);
        }
    
        //增 Test2
        @RequestMapping(value = "/", method = RequestMethod.POST)
        public ResponseData add(Article article) {
            articleRepository.save(article);
           // return "{success:true,message: \"添加成功\" }";
            return new ResponseData(ExceptionMsg.SUCCESS,article);
        }
    
        //删 Test3
        @RequestMapping(value = "/{id}", method = RequestMethod.DELETE)
        public Response delete(@PathVariable("id") long id) {
            articleRepository.deleteById(id);
            return result(ExceptionMsg.SUCCESS);
          }
    
        //改 Test4
        @RequestMapping(value = "/{id}", method = RequestMethod.PUT)
        public ResponseData update(Article model) {
            articleRepository.save(model);
            return new ResponseData(ExceptionMsg.SUCCESS,model);
        }
    
        //查 Test5
        @RequestMapping(value = "/{id}", method = RequestMethod.GET)
        public ResponseData findArticle(@PathVariable("id") Integer id) throws IOException {
                  Article article = articleRepository.findById(id);
            if (article != null) {
                return new ResponseData(ExceptionMsg.SUCCESS,article);
            }
            return new ResponseData(ExceptionMsg.FAILED,article);
        }
    }

**三 测试**

1 Test2测试

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NoZW5ncWl1bWluZw_size_16_color_FFFFFF_t_70][]

2 Test1测试

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NoZW5ncWl1bWluZw_size_16_color_FFFFFF_t_70 1][]

3 Test5测试

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NoZW5ncWl1bWluZw_size_16_color_FFFFFF_t_70 2][]

4 Test4测试

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NoZW5ncWl1bWluZw_size_16_color_FFFFFF_t_70 3][]

5 Test3测试

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NoZW5ncWl1bWluZw_size_16_color_FFFFFF_t_70 4][]

[https_gitee.com_cakin24_code_tree_master_09_RESTful]: https://gitee.com/cakin24/code/tree/master/09/RESTful
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[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NoZW5ncWl1bWluZw_size_16_color_FFFFFF_t_70 1]: /images/20210724/64a109ae71ab45b2b4990ab8842392e1.png
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