这篇文章主要介绍了spring boot 全局异常处理方法汇总,文中通过示例代码介绍的非常详细，对大家的学习或者工作具有一定的参考学习价值,需要的朋友可以参考下

import cn.sisyphe.framework.web.exception.DataException;import lombok.extern.slf4j.Slf4j;import org.springframework.http.HttpStatus;import org.springframework.http.converter.HttpMessageConversionException;import org.springframework.validation.BindException;import org.springframework.validation.BindingResult;import org.springframework.validation.ObjectError;import org.springframework.web.bind.MethodArgumentNotValidException;import org.springframework.web.bind.MissingServletRequestParameterException;import org.springframework.web.bind.annotation.ControllerAdvice;import org.springframework.web.bind.annotation.ExceptionHandler;import org.springframework.web.bind.annotation.ResponseBody;import org.springframework.web.method.annotation.MethodArgumentTypeMismatchException;import javax.servlet.http.HttpServletRequest;/** * @author ming * @desc 全局异常处理类 */@Slf4j@ControllerAdvicepublic class GlobalExceptionHandler { /** * 缺失请求参数处理 * * @param e * @param request * @return */ @ExceptionHandler(MissingServletRequestParameterException.class) @ResponseBody public ResponseResult handleMissingServletRequestParameterException(MissingServletRequestParameterException e, HttpServletRequest request) { String message = "缺失请求参数" + e.getParameterName(); return ackTransfer(request, message, HttpStatus.BAD_REQUEST.value() + "", e); } /** * 请求参数类型错误处理 * * @param e * @param request * @return */ @ExceptionHandler(MethodArgumentTypeMismatchException.class) @ResponseBody public ResponseResult handleMethodArgumentTypeMismatchException(MethodArgumentTypeMismatchException e, HttpServletRequest request) { String message = "请求参数" + e.getName() + "类型错误"; return ackTransfer(request, message, HttpStatus.BAD_REQUEST.value() + "", e); } /** * 参数类型错误异常类型处理 * * @param e * @param request * @return */ @ExceptionHandler(HttpMessageConversionException.class) @ResponseBody public ResponseResult handleHttpMessageNotReadableException(HttpMessageConversionException e, HttpServletRequest request) { String message = "参数类型错误"; return ackTransfer(request, message, HttpStatus.BAD_REQUEST.value() + "", e); } /** * 空指针异常处理 * * @param e * @param request * @return */ @ExceptionHandler(NullPointerException.class) @ResponseBody public ResponseResult handleNullPointerException(NullPointerException e, HttpServletRequest request) { String message = "空指针异常"; return ackTransfer(request, message, HttpStatus.BAD_REQUEST.value() + "", e, true); } /** * MethodArgumentNotValidException 异常处理 * @param e * @param request * @return */ @ExceptionHandler(MethodArgumentNotValidException.class) @ResponseBody public ResponseResult handleMethodArgumentNotValidException(MethodArgumentNotValidException e, HttpServletRequest request) { StringBuilder errorMsg = new StringBuilder(); BindingResult re = e.getBindingResult(); for (ObjectError error : re.getAllErrors()) { errorMsg.append(error.getDefaultMessage()).append(","); } errorMsg.delete(errorMsg.length() - 1, errorMsg.length()); return ackTransfer(request, errorMsg.toString(), "-1", e, false); } /** * 绑定异常处理 * @param e * @param request * @return */ @ExceptionHandler(BindException.class) @ResponseBody public ResponseResult handleBindException(BindException e,HttpServletRequest request){ BindingResult result = e.getBindingResult(); StringBuilder errorMsg = new StringBuilder(); for (ObjectError error : result.getAllErrors()) { errorMsg.append(error.getDefaultMessage()).append(","); } errorMsg.delete(errorMsg.length() - 1, errorMsg.length()); return ackTransfer(request, errorMsg.toString(), "-1", e, false); } /** * 自定义异常类型异常消息处理 * * @param e * @param request * @return */ @ExceptionHandler({DataException.class}) @ResponseBody public ResponseResult handleDataException(DataException e, HttpServletRequest request) { String message = e.getErrorMessage(); String code = e.getErrorCode(); return ackTransfer(request, code, message, e, true); } /** * 处理运行时异常 * * @param e * @param request * @return */ @ExceptionHandler({RuntimeException.class}) @ResponseBody public ResponseResult handleRuntimeException(RuntimeException e, HttpServletRequest request) { return ackTransfer(request, e.getMessage(), HttpStatus.INTERNAL_SERVER_ERROR.value() + "", e, true); } /** * 默认异常处理 * * @param e * @param request * @return */ @ExceptionHandler(Exception.class) @ResponseBody public ResponseResult handleException(Exception e, HttpServletRequest request) { return ackTransfer(request, e.getMessage(), HttpStatus.INTERNAL_SERVER_ERROR.value() + "", e, true); } private ResponseResult ackTransfer(HttpServletRequest request, String message, String code, Exception e, boolean printStackTrace) { ResponseResult result = new ResponseResult(); result.setCode(code); result.setMessage(message); if (printStackTrace) { log.error(message, e); } else { log.error(message); } return result; } private ResponseResult ackTransfer(HttpServletRequest request, String message, String code, Exception e) { return ackTransfer(request, message, code, e, false); }}

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