我正在尝试使用邮递员沙子发布请求。由于某些原因,我收到了400个错误的请求-缺少必需的请求正文。我的控制器在spring引导环境中。我的控制器: public class HagarController {
@PostMapping(value = "/hagar")@ResponseStatus(HttpStatus.OK)
当使用ajax与Spring和Thymeleaf一起发送数据时,我得到错误""Required UsernameSearch参数'username‘is not present“。check-username-availability", method = RequestMethod.POST) public String checkUsernameAvailability(@RequestParamChecking username availability for username