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异常处理提取到BaseController

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程序员小墨 2022-03-01 18:35:17 +08:00
parent 79f07cb6cd
commit 897f69970a
2 changed files with 35 additions and 25 deletions
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34
src/main/java/com/cxyxiaomo/flashsale/controller/BaseController.java Normal file
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@ -0,0 +1,34 @@
package com.cxyxiaomo.flashsale.controller;
import com.cxyxiaomo.flashsale.error.BusinessException;
import com.cxyxiaomo.flashsale.error.EmBusinessError;
import com.cxyxiaomo.flashsale.response.CommonReturnType;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.ResponseStatus;
import javax.servlet.http.HttpServletRequest;
import java.util.HashMap;
public class BaseController {
// 定义ExceptionHandler解决未被Controller层吸收的Exception
@ExceptionHandler(Exception.class)
@ResponseStatus(HttpStatus.OK)
@ResponseBody
public Object handlerException(HttpServletRequest request, Exception ex) {
HashMap<Object, Object> responseData = new HashMap<>();
if (ex instanceof BusinessException) {
BusinessException businessException = (BusinessException) ex;
responseData.put("errCode", businessException.getErrCode());
responseData.put("errMsg", businessException.getErrMsg());
} else {
responseData.put("errCode", EmBusinessError.UNKNOWN_ERROR.getErrCode());
responseData.put("errMsg", EmBusinessError.UNKNOWN_ERROR.getErrMsg());
}
return CommonReturnType.create(responseData, "fail");
}
}

26
src/main/java/com/cxyxiaomo/flashsale/controller/UserController.java
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@ -2,22 +2,18 @@ package com.cxyxiaomo.flashsale.controller;
import com.cxyxiaomo.flashsale.controller.viewobject.UserVO; import com.cxyxiaomo.flashsale.controller.viewobject.UserVO;
import com.cxyxiaomo.flashsale.error.BusinessException; import com.cxyxiaomo.flashsale.error.BusinessException;
import com.cxyxiaomo.flashsale.error.EmBusinessError;
import com.cxyxiaomo.flashsale.response.CommonReturnType; import com.cxyxiaomo.flashsale.response.CommonReturnType;
import com.cxyxiaomo.flashsale.service.UserService; import com.cxyxiaomo.flashsale.service.UserService;
import com.cxyxiaomo.flashsale.service.model.UserModel; import com.cxyxiaomo.flashsale.service.model.UserModel;
import org.springframework.beans.BeanUtils; import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Controller; import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*; import org.springframework.web.bind.annotation.*;
import javax.servlet.http.HttpServletRequest;
import java.util.HashMap;
@Controller("user") // 允许被SpringBoot扫描到 @Controller("user") // 允许被SpringBoot扫描到
@RequestMapping("/user") // 通过 "/user" 访问到 @RequestMapping("/user") // 通过 "/user" 访问到
public class UserController { public class UserController extends BaseController {
@Autowired @Autowired
private UserService userService; private UserService userService;
@ -50,24 +46,4 @@ public class UserController {
BeanUtils.copyProperties(userModel, userVO); BeanUtils.copyProperties(userModel, userVO);
return userVO; return userVO;
} }
// 定义ExceptionHandler解决未被Controller层吸收的Exception
@ExceptionHandler(Exception.class)
@ResponseStatus(HttpStatus.OK)
@ResponseBody
public Object handlerException(HttpServletRequest request, Exception ex) {
HashMap<Object, Object> responseData = new HashMap<>();
if (ex instanceof BusinessException) {
BusinessException businessException = (BusinessException) ex;
responseData.put("errCode", businessException.getErrCode());
responseData.put("errMsg", businessException.getErrMsg());
} else {
responseData.put("errCode", EmBusinessError.UNKNOWN_ERROR.getErrCode());
responseData.put("errMsg", EmBusinessError.UNKNOWN_ERROR.getErrMsg());
}
return CommonReturnType.create(responseData, "fail");
}
} }