原文链接1获取请求数据项目地址：https://github.com/Snowstorm0...1.1Controller文件名MyController，内容：@RestController@RequestMapping("/homepage")public类MyController{@AutowiredMyServicemyService;@GetMapping("/learnGet")publicStringlearnGet(){returnmyService.learnGet();}}1.2服务文件名MyService，内容：@Service@EnableSchedulingpublicclassMyService{publicStringlearnGet(){LongtimeLong=System.currentTimeMillis();SimpleDateFormattimeFormat=newSimpleDateFormat("yyyy-MM-ddHH:mm:ss");//设置格式字符串timeString=timeFormat.format(timeLong);返回时间字符串；}}1.3Application在application.properties中配置：#设置端口号server.port=88881.4Postman配置Get，地址为：localhost:8888/homepage/returnTime。获取当前时间戳。2Post接收数据项目地址：https://github.com/Snowstorm0...2.1Controller文件名MyController，内容为：@RestController@RequestMapping("/homepage")publicclassMyController{@AutowiredMyServicemyService;@PostMapping("/postReceive")publicMappostReceive(@RequestParam("number")intnumber,@RequestParam("name")Stringname){returnmyService.postReceive(number,name);}@PostMapping("/postReceiveByMap")publicMappostReceiveByMap(@RequestParamMapmap){System.out.println("map:"+map+"\n");返回myService.postReceiveByMap(地图);}}2.2Service文件名MyService，内容为：@Service@EnableSchedulingpublicclassMyService{publicMappostReceive(intnumber,Stringname){Mapres=newHashMap<>();res.put("数字",数字r);res.put("名字",名字);返回资源；}publicMappostReceiveByMap(Mapmap){intnumber=map.get("number")==null？0:Integer.parseInt((String)map.get("number"));字符串名称=map.get("名称")==null?“”：（字符串）map.get（“名称”）；Mapres=newHashMap<>();res.put("数字",数字);res.put("名字",名字);System.out.println("地图："+地图+"\n");System.out.println("res:"+res+"\n");返回资源；}2.3Application在application.properties中配置：#设置端口号server.port=88882.4Postman配置Get，地址为：localhost:8888/homepage/returnTime，获取输出。3Post数据项目地址：https://github.com/Snowstorm0...需要注意的是，当RestTemplate为postForObject时，使用的是MultiValueMap，而不是HashMap。3.1Controller文件名MyController，内容为：@RestController@RequestMapping("/homepage")publicclassMyController{@AutowiredMyServicemyService;@PostMapping("/postSend")publicMappostSend(){returnmyService.postSend();}}3.2Service文件名MyService，内容为：@Service@EnableSchedulingpublicclassMyService{@ResourceprivateRestTemplaterestTemplate;StringURL="http://localhost:8888/homepage/postReceiveByMap";publicMappostSend(){MapsendData=newHashMap<>();sendData.put("数字",3);sendData.put("姓名","张三");ResponseEntityresponseData=restTemplate.postForEntity(URL,sendData,ResponseResult.class);MapreturnData=newHashMap<>();returnData.put("状态码:",responseData.getStatus代码());returnData.put("正文:",responseData.getBody());返回返回数据；}}3.3ResponseResultpublicclassResponseResult{privateintnumber;私有字符串名称；publicResponseResult(){}publicintgetNumber(){返回数字；}publicvoidsetNumber(intnumber){这个。数=数；}publicStringgetName(){返回名称；}publicvoidsetName(Stringname){这个。名字=名字；}@OverridepublicStringtoString(){return"ResponseResult[number="+number+",name="+name+"]";}}3.4Config@ConfigurationpublicclassConfig{@BeanpublicRestTemplaterestTemplate(RestTemplateBuilderbuilder){returnbuilder.build();}}3.5Application在application.properties中配置：#设置端口号server.port=88893.6Postman配置Post，地址为：localhost:8889/homepage/postSend可以获取输出了解更多编程知识，敬请关注对我的公众号：代码方式
