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异常处理2

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小墨
2022-03-01 18:32:59 +08:00
parent 15c78e21bd
commit 79f07cb6cd
3 changed files with 18 additions and 13 deletions
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4
README.md
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@@ -14,12 +14,12 @@
### 本次修改通过以下方式查看👇 ### 本次修改通过以下方式查看👇
> http://localhost:8090/user/get?id=1 > http://localhost:8090/user/get?id=2
预期效果： 预期效果：
```json ```json
{"data":{"id":1,"name":"admin","gender":2,"age":18,"telephone":"110"},"status":"success"} {"data":{"errCode":10002,"errMsg":"未知错误"},"status":"fail"}
``` ```
### 层次结构（以User为例，自上向下） ### 层次结构（以User为例，自上向下）

22
src/main/java/com/cxyxiaomo/flashsale/controller/UserController.java
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@@ -30,7 +30,8 @@ public class UserController {
// 若获取的用户信息不存在 // 若获取的用户信息不存在
if (userModel == null) { if (userModel == null) {
throw new BusinessException(EmBusinessError.USER_NOT_EXIST); userModel.setEncryptPassword("123");
// throw new BusinessException(EmBusinessError.USER_NOT_EXIST);
} }
// 将核心领域模型用户对象转化为可供UI使用的viewobject // 将核心领域模型用户对象转化为可供UI使用的viewobject
UserVO userVO = convertFromModel(userModel); UserVO userVO = convertFromModel(userModel);
@@ -54,16 +55,19 @@ public class UserController {
@ExceptionHandler(Exception.class) @ExceptionHandler(Exception.class)
@ResponseStatus(HttpStatus.OK) @ResponseStatus(HttpStatus.OK)
@ResponseBody @ResponseBody
public Object handlerException(HttpServletRequest request,Exception ex) { public Object handlerException(HttpServletRequest request, Exception ex) {
BusinessException businessException = (BusinessException) ex;
HashMap<Object, Object> responseData = new HashMap<>(); HashMap<Object, Object> responseData = new HashMap<>();
responseData.put("errCode",businessException.getErrCode());
responseData.put("errMsg",businessException.getErrMsg());
CommonReturnType commonReturnType = new CommonReturnType(); if (ex instanceof BusinessException) {
commonReturnType.setStatus("fail"); BusinessException businessException = (BusinessException) ex;
commonReturnType.setData(responseData); responseData.put("errCode", businessException.getErrCode());
return commonReturnType; 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");
} }
} }

5
src/main/java/com/cxyxiaomo/flashsale/error/EmBusinessError.java
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@@ -2,10 +2,11 @@ package com.cxyxiaomo.flashsale.error;
public enum EmBusinessError implements CommonError { public enum EmBusinessError implements CommonError {
// 通用错误类型 00001 // 通用错误类型 00001
PARAMETER_VALIDATION_ERROR(00001,"参数不合法"), PARAMETER_VALIDATION_ERROR(10001,"参数不合法"),
UNKNOWN_ERROR(10002,"未知错误"),
// 10000开头为用户信息相关错误定义 // 10000开头为用户信息相关错误定义
USER_NOT_EXIST(10001, "用户不存在"); USER_NOT_EXIST(20001, "用户不存在");
private EmBusinessError(int errCode, String errMsg) { private EmBusinessError(int errCode, String errMsg) {
this.errCode = errCode; this.errCode = errCode;