【问题标题】:Rest API curl command does not return values (java Spring)Rest API curl命令不返回值(java Spring)
【发布时间】:2020-07-02 02:52:05
【问题描述】:

我正在传递如下所示的 curl 中的 json 对象,并希望检索数据。它返回 200,但返回空对象。不确定问题出在哪里。

@RequestMapping(value = "/api", produces = "application/json")
public interface ApiController {
    @PostMapping("/submitJob")
    JobSubmitResultDTO submitJob(@RequestBody JobSubmitRequestDTO request);
}

@RestController
public class ApiController implements ApiController {
    @Override
    public ResultIntDTO answerToCall(String name) {
        return new ResultIntDTO(10);
    }


    @Override
    public JobSubmitResultDTO submitJob(JobSubmitRequestDTO request) {

        //Create an instance of JobSubmitResultDTO
        JobSubmitResultDTO response = new JobSubmitResultDTO();

        //print from the object 
        System.out.println(request.getParamsMap());



        return response;

@Data
public  class JobSubmitRequestDTO {
   Map<String,Object> paramsMap = new HashMap<String,Object>();

}

@Data
public class JobSubmitResultDTO {
    String jobID;
    String message;
}

卷曲命令:

curl -X POST -H "Content-type: Application/json" -d "{ "paramsMap": {"key1": "value1"}}" http://XXXXXX:XXXX/api/submitJob

命令行中的预期输出打印:

System.out.println(request.getParamsMap()); ->  {"key1": "value1"}  (Expected)

打印出意外输出:

System.out.println(request.getParamsMap()); -> {} (unExpected)

我想知道为什么它返回 {},而不是 {"key1": "value1"}。
知道我做错了什么吗?

【问题讨论】:

    标签: java spring api object curl


    【解决方案1】:

    尝试使用@ModelAttribute("paramsMap")。见代码:

        @Override
        public JobSubmitResultDTO submitJob(@ModelAttribute("paramsMap") JobSubmitRequestDTO request) {
    
            //Create an instance of JobSubmitResultDTO
            JobSubmitResultDTO response = new JobSubmitResultDTO();
    
            //print from the object 
            System.out.println(request.getParamsMap());
    
    
    
            return response;}
    

    【讨论】:

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