【Java】SpringBoot-Ajax-Json:Content type 'application/x-www-form-urlencoded;charset=UTF-8' not supported for @RequestBody XXX

1.重新组装数据

var params=JSON.stringify({"userword":XXXXX,"password":"XXXXX"});

2.ajax请求设置
dataType: "json",
data: param,
contentType: "application/json;charset-UTF-8"

3.POSTMAN测试