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https://github.com/saysky/Hotel
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saysky
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package com.example.hotel.exception;
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import com.example.hotel.dto.JsonResult;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.shiro.authz.UnauthorizedException;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.converter.HttpMessageNotReadableException;
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import org.springframework.ui.Model;
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import org.springframework.validation.BindException;
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import org.springframework.validation.BindingResult;
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import org.springframework.validation.FieldError;
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import org.springframework.web.HttpMediaTypeNotSupportedException;
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import org.springframework.web.HttpRequestMethodNotSupportedException;
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import org.springframework.web.bind.MethodArgumentNotValidException;
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import org.springframework.web.bind.MissingServletRequestParameterException;
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import org.springframework.web.bind.annotation.ControllerAdvice;
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import org.springframework.web.bind.annotation.ExceptionHandler;
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import org.springframework.web.bind.annotation.ResponseBody;
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import org.springframework.web.bind.annotation.ResponseStatus;
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import org.springframework.web.servlet.ModelAndView;
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import org.springframework.web.servlet.NoHandlerFoundException;
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import org.springframework.web.servlet.view.json.MappingJackson2JsonView;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javax.validation.ConstraintViolation;
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import javax.validation.ConstraintViolationException;
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import javax.validation.ValidationException;
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import java.io.IOException;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Set;
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/**
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* 全局异常捕获
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*/
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@ControllerAdvice
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@Slf4j
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public class GlobalExceptionHandler {
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//错误显示页面
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public static final String viewName = "common/error/error";
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/**
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* 是否是ajax请求
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*/
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public static boolean isAjax(HttpServletRequest httpRequest) {
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return (httpRequest.getHeader("X-Requested-With") != null
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&& "XMLHttpRequest"
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.equals(httpRequest.getHeader("X-Requested-With").toString()));
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}
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/**
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* 400 - Bad Request
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*/
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@ResponseStatus(HttpStatus.BAD_REQUEST)
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@ExceptionHandler(MissingServletRequestParameterException.class)
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public String handleMissingServletRequestParameterException(MissingServletRequestParameterException e, Model model) {
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log.error("缺少请求参数", e);
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String message = "【缺少请求参数】" + e.getMessage();
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model.addAttribute("message", message);
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model.addAttribute("code", 400);
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return viewName;
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}
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/**
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* 400 - Bad Request
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*/
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@ResponseStatus(HttpStatus.BAD_REQUEST)
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@ExceptionHandler(HttpMessageNotReadableException.class)
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public String handleHttpMessageNotReadableException(HttpMessageNotReadableException e, Model model) {
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log.error("参数解析失败", e);
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String message = "【参数解析失败】" + e.getMessage();
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model.addAttribute("message", message);
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model.addAttribute("code", 400);
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return viewName;
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}
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/**
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* 400 - Bad Request
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*/
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@ResponseStatus(HttpStatus.BAD_REQUEST)
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@ExceptionHandler(MethodArgumentNotValidException.class)
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public String handleMethodArgumentNotValidException(MethodArgumentNotValidException e, Model model) {
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log.error("参数验证失败", e);
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BindingResult result = e.getBindingResult();
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FieldError error = result.getFieldError();
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String field = error.getField();
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String code = error.getDefaultMessage();
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String message = "【参数验证失败】" + String.format("%s:%s", field, code);
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model.addAttribute("message", message);
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model.addAttribute("code", 400);
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return viewName;
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}
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/**
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* 400 - Bad Request
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*/
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@ResponseStatus(HttpStatus.BAD_REQUEST)
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@ExceptionHandler(BindException.class)
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public String handleBindException(BindException e, Model model) {
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log.error("参数绑定失败", e);
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BindingResult result = e.getBindingResult();
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FieldError error = result.getFieldError();
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String field = error.getField();
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String code = error.getDefaultMessage();
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String message = "【参数绑定失败】" + String.format("%s:%s", field, code);
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model.addAttribute("message", message);
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model.addAttribute("code", 400);
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return viewName;
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}
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/**
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* 400 - Bad Request
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*/
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@ResponseStatus(HttpStatus.BAD_REQUEST)
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@ExceptionHandler(ConstraintViolationException.class)
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public String handleServiceException(ConstraintViolationException e, Model model) {
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log.error("参数验证失败", e);
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Set<ConstraintViolation<?>> violations = e.getConstraintViolations();
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ConstraintViolation<?> violation = violations.iterator().next();
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String message = "【参数验证失败】" + violation.getMessage();
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model.addAttribute("message", message);
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model.addAttribute("code", 400);
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return viewName;
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}
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/**
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* 400 - Bad Request
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*/
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@ResponseStatus(HttpStatus.BAD_REQUEST)
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@ExceptionHandler(ValidationException.class)
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public String handleValidationException(ValidationException e, Model model) {
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log.error("参数验证失败", e);
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String message = "【参数验证失败】" + e.getMessage();
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model.addAttribute("message", message);
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model.addAttribute("code", 400);
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return viewName;
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}
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/**
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* 404 - Not Found
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*/
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@ResponseStatus(HttpStatus.NOT_FOUND)
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@ExceptionHandler(NoHandlerFoundException.class)
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public String noHandlerFoundException(NoHandlerFoundException e, Model model) {
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log.error("Not Found", e);
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String message = "【页面不存在】" + e.getMessage();
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model.addAttribute("message", message);
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model.addAttribute("code", 404);
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return viewName;
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}
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/**
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* 405 - Method Not Allowed
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*/
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@ResponseStatus(HttpStatus.METHOD_NOT_ALLOWED)
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@ExceptionHandler(HttpRequestMethodNotSupportedException.class)
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public String handleHttpRequestMethodNotSupportedException(HttpRequestMethodNotSupportedException e, Model model) {
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log.error("不支持当前请求方法", e);
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String message = "【不支持当前请求方法】" + e.getMessage();
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model.addAttribute("message", message);
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model.addAttribute("code", 405);
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return viewName;
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}
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/**
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* 415 - Unsupported Media Type
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*/
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@ResponseStatus(HttpStatus.UNSUPPORTED_MEDIA_TYPE)
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@ExceptionHandler(HttpMediaTypeNotSupportedException.class)
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public String handleHttpMediaTypeNotSupportedException(HttpMediaTypeNotSupportedException e, Model model) {
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log.error("不支持当前媒体类型", e);
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String message = "【不支持当前媒体类型】" + e.getMessage();
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model.addAttribute("message", message);
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model.addAttribute("code", 415);
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return viewName;
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}
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/**
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* 统一异常处理
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*
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* @param response
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* @param e
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* @return
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*/
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@ExceptionHandler(MyBusinessException.class)
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@ResponseBody
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public JsonResult processApiException(HttpServletResponse response,
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MyBusinessException e) {
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JsonResult result = new JsonResult(0, e.getMessage());
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response.setStatus(200);
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response.setContentType("application/json;charset=UTF-8");
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log.error("业务异常，提示前端操作不合法", e.getMessage(), e);
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return result;
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}
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/**
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* 获取其它异常。包括500
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*
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* @param e
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* @return
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* @throws Exception
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*/
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@ExceptionHandler(value = Exception.class)
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public ModelAndView defaultErrorHandler(HttpServletRequest request,
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HttpServletResponse response,
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Exception e, Model model) throws IOException {
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e.printStackTrace();
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if (isAjax(request)) {
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ModelAndView mav = new ModelAndView();
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MappingJackson2JsonView view = new MappingJackson2JsonView();
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Map<String, Object> attributes = new HashMap<String, Object>();
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if (e instanceof UnauthorizedException) {
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attributes.put("msg", "没有权限");
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} else {
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attributes.put("msg", e.getMessage());
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}
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attributes.put("code", "0");
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view.setAttributesMap(attributes);
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mav.setView(view);
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return mav;
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}
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if (e instanceof UnauthorizedException) {
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//请登录
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log.error("无权访问", e);
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return new ModelAndView("common/error/403");
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}
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//其他异常
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String message = e.getMessage();
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model.addAttribute("code", 500);
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model.addAttribute("message", message);
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return new ModelAndView("common/error/500");
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}
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}
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@@ -0,0 +1,45 @@
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package com.example.hotel.exception;
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/**
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* @author 言曌
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* @date 2019-08-09 16:47
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*/
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public class MyBusinessException extends RuntimeException {
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private Integer code;
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private String message;
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public MyBusinessException() {
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super();
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}
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public MyBusinessException(String message) {
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this.code = 500;
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this.message = message;
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}
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public MyBusinessException(Integer code, String message) {
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this.code = code;
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this.message = message;
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}
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public Integer getCode() {
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return code;
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}
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public void setCode(Integer code) {
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this.code = code;
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}
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@Override
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public String getMessage() {
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return message;
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}
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public void setMessage(String message) {
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this.message = message;
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}
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}
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