JSON发布到Spring Controller


问题内容

嗨,我从Spring的Web Services开始,所以我试图在Spring + JSON + Hibernate中开发小型应用程序。我对HTTP-
POST有问题。我创建了一个方法:

@RequestMapping(value="/workers/addNewWorker", method = RequestMethod.POST, produces = "application/json", consumes = "application/json")
@ResponseBody
public String addNewWorker(@RequestBody Test test) throws Exception {
    String name = test.name;
    return name;
}

我的模型测试看起来像:

public class Test implements Serializable {

private static final long serialVersionUID = -1764970284520387975L;
public String name;

public Test() {
}
}

通过POSTMAN,我仅发送JSON {“ name”:“ testName”},但我总是收到错误;

The server refused this request because the request entity is in a format not supported by the requested resource for the requested method.

我导入了杰克逊图书馆。我的GET方法工作正常。我不知道我在做什么错。我很感谢任何建议。


问题答案:

使用将您的JSON对象转换为JSON字符串

JSON.stringify({“ name”:“ testName”})

或手动。 @RequestBody需要json字符串 而不是json对象。

注意:stringify函数在某些IE版本中存在问题,firefox可以使用

验证POST请求的ajax请求的语法。Ajax请求中需要 processData:false 属性

$.ajax({ 
    url:urlName,
    type:"POST", 
    contentType: "application/json; charset=utf-8",
    data: jsonString, //Stringified Json Object
    async: false,    //Cross-domain requests and dataType: "jsonp" requests do not support synchronous operation
    cache: false,    //This will force requested pages not to be cached by the browser  
     processData:false, //To avoid making query String instead of JSON
     success: function(resposeJsonObject){
        // Success Action
    }
});

控制者

@RequestMapping(value = urlPattern , method = RequestMethod.POST)

public @ResponseBody Test addNewWorker(@RequestBody Test jsonString) {

    //do business logic
    return test;
}

@RequestBody -将Json对象转换为Java

@ResponseBody -将Java对象转换为json