SpringBoot创建API接口并接收处理参数

package com.fcibook.springboot.controller; import org.springframework.http.HttpStatus; import org.springframework.validation.BindingResult; import org.springframework.validation.ObjectError; import org.springframework.web.bind.MethodArgumentNotValidException; import org.springframework.web.bind.annotation.ExceptionHandler; import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.bind.annotation.ResponseStatus; import org.springframework.web.bind.annotation.RestControllerAdvice; import java.io.IOException; import java.util.List; /** * 全局异常处理 * Created by cc_want on 2018/6/2. */ @RestControllerAdvice public class GlobalExceptionHandler { @ResponseBody @ExceptionHandler(Exception.class) @ResponseStatus(HttpStatus.EXPECTATION_FAILED) public String exceptionHandler(Exception ex) throws IOException { if (ex instanceof MethodArgumentNotValidException) { BindingResult result = ((MethodArgumentNotValidException) ex).getBindingResult(); if (result.hasErrors()) { StringBuffer sb = new StringBuffer(); printBindException(sb, result); return sb.toString(); } } return ""; } public static void printBindException(StringBuffer message, BindingResult result) { List<ObjectError> allErrors = result.getAllErrors(); for (int i = 0; i < allErrors.size(); i++) { message.append(allErrors.get(i).getDefaultMessage()); if (allErrors.size() > 1 && i < allErrors.size() - 1) { message.append("<br/>"); } } } }