Content type 'application/x-www-form-urlencoded;charset=UTF-8' not supported

已知后端post请求:

Content type 'application/x-www-form-urlencoded;charset=UTF-8' not supported_第1张图片

 

报错:

HttpMediaTypeNotSupportedException: Content type 'application/x-www-form-urlencoded;charset=UTF-8' not supported

解决:

增加:

,contentType: "application/json;charset=UTF-8"

Content type 'application/x-www-form-urlencoded;charset=UTF-8' not supported_第2张图片

 

 

 

报错:

org.springframework.http.converter.HttpMessageNotReadableException: JSON parse error: Unrecognized token 'id': was expecting ('true', 'false' or 'null'); nested exception is com.fasterxml.jackson.core.JsonParseException: Unrecognized token 'id': was expecting ('true', 'false' or 'null')
Content type 'application/x-www-form-urlencoded;charset=UTF-8' not supported_第3张图片

 

解决:

data:JSON.stringify(数据)

Content type 'application/x-www-form-urlencoded;charset=UTF-8' not supported_第4张图片

 

 

=======================================================

总结:

Caused by: com.fasterxml.jackson.core.JsonParseException: Unrecognized token 'name': was expecting ('true', 'false' or 'null')

Caused by: com.fasterxml.jackson.core.JsonParseException: Unrecognized token 'name': was expecting ('true', 'false' or 'null')

参数有问题,不能解析成json对象

ajax提交添加下面两行代码

contentType:'application/json;charset=utf-8'
data:JSON.stringify(数据)

 

var allData = {
          name:"张三",
          age:20
         };
$.ajax({
            type: "POST",
            url: "xxxx",
            contentType:'application/json;charset=utf-8',
            data:JSON.stringify(allData),
            success: function (data) {
                alert(data);
            }
        });

 

注意:

后端如果用springMVC的@RequestBody注解的话,则只能Json对象的字符串,不能接收Json对象,用 JSON.stringify(data)的方式将对象变成字符串,同时ajax请求也要指定dataType: "json",contentType:"application/json" ,这样就能用@RequestBody注解绑定对象或者List集合.

 

 

 

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