反馈给用户提示，异常封装

src/main/java/com/youlai/boot/common/exception/MsgException.java

@@ -0,0 +1,45 @@
+package com.youlai.boot.common.exception;
+
+import com.youlai.boot.common.result.IResultCode;
+import lombok.Getter;
+import org.slf4j.helpers.MessageFormatter;
+
+/**
+ * 自定义业务异常
+ *
+ * @author Ray
+ * @since 2022/7/31
+ */
+@Getter
+public class MsgException extends RuntimeException {
+
+    public IResultCode resultCode;
+
+    public MsgException(IResultCode errorCode) {
+        super(errorCode.getMsg());
+        this.resultCode = errorCode;
+    }
+
+
+    public MsgException(IResultCode errorCode, String message) {
+        super(message);
+        this.resultCode = errorCode;
+    }
+
+
+    public MsgException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public MsgException(Throwable cause) {
+        super(cause);
+    }
+
+    public MsgException(String message, Object... args) {
+        super(formatMessage(message, args));
+    }
+
+    private static String formatMessage(String message, Object... args) {
+        return MessageFormatter.arrayFormat(message, args).getMessage();
+    }
+}

src/main/java/com/youlai/boot/common/result/ResultCode.java

@@ -56,6 +56,7 @@ public enum ResultCode implements IResultCode, Serializable {
 
     /** 一级宏观错误码：用户端错误（由客户端输入/认证/权限/请求方式等引起，需客户端配合修正） */
     USER_ERROR("A0001", "用户端错误"),
+    MSG_ERROR("A0002", "需反馈给用户端的提示"),
 
 
     /** 二级宏观错误码：用户端具体错误（按号段细分，便于定位是注册/登录/令牌/参数/防重等问题） */

src/main/java/com/youlai/boot/framework/web/advice/GlobalExceptionHandler.java

@@ -1,6 +1,7 @@
 package com.youlai.boot.framework.web.advice;
 
 import cn.hutool.core.util.StrUtil;
+import com.youlai.boot.common.exception.MsgException;
 import tools.jackson.core.JacksonException;
 import com.youlai.boot.common.exception.BusinessException;
 import com.youlai.boot.common.result.Result;
@@ -239,6 +240,13 @@ public class GlobalExceptionHandler {
         return Result.failed(e.getMessage());
     }
 
+    @ExceptionHandler(MsgException.class)
+    @ResponseStatus(HttpStatus.OK)
+    public <T> Result<T> handleMsgException(MsgException e) {
+        log.error("msg exception", e);
+        return Result.failed(ResultCode.MSG_ERROR, e.getMessage());
+    }
+
     /**
      * 处理所有未捕获的异常
      * <p>

src/main/java/com/youlai/boot/mini/service/impl/StrayAnimalServiceImpl.java

@@ -7,7 +7,7 @@ import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.youlai.boot.common.constant.CommonConstants;
-import com.youlai.boot.common.exception.BusinessException;
+import com.youlai.boot.common.exception.MsgException;
 import com.youlai.boot.common.util.CoordinateTransformUtils;
 import com.youlai.boot.common.util.FileUtils;
 import com.youlai.boot.common.util.JavaVCUtils;
@@ -212,18 +212,18 @@ public class StrayAnimalServiceImpl extends ServiceImpl<MiniStrayAnimalMapper, M
     private void validateInput(List<MultipartFile> images, List<MultipartFile> videos) {
         // 验证必填图片
         if (images == null || images.isEmpty()) {
-            throw new BusinessException("需要上传图片");
+            throw new MsgException("需要上传图片");
         }
         // 验证图片数量
         if (images.size() > CommonConstants.STRAY_ANIMAL_IMAGE_NUM_LIMIT) {
-            throw new BusinessException(
+            throw new MsgException(
                 "最多只能上传" + CommonConstants.STRAY_ANIMAL_IMAGE_NUM_LIMIT + "张图片"
             );
         }
 
         // 验证视频数量
         if (!CollUtil.isEmpty(videos) && videos.size() > CommonConstants.STRAY_ANIMAL_VIDEO_NUM_LIMIT) {
-            throw new BusinessException(
+            throw new MsgException(
                 "最多只能上传" + CommonConstants.STRAY_ANIMAL_VIDEO_NUM_LIMIT + "个视频"
             );
         }
@@ -239,11 +239,11 @@ public class StrayAnimalServiceImpl extends ServiceImpl<MiniStrayAnimalMapper, M
                 .eq(MiniStrayAnimal::getDeleted, 0)
         );
         if (animal == null) {
-            throw new BusinessException("动物不存在");
+            throw new MsgException("动物不存在");
         }
 
         if (1 == animal.getAuditStatus()) {
-            throw new BusinessException("审核中无法更改");
+            throw new MsgException("审核中无法更改");
         }
 
         long currentTimestamp = System.currentTimeMillis();
@@ -294,7 +294,7 @@ public class StrayAnimalServiceImpl extends ServiceImpl<MiniStrayAnimalMapper, M
         MiniStrayAnimalNote note = miniStrayAnimalNoteMapper.selectOne(new LambdaQueryWrapper<MiniStrayAnimalNote>()
             .eq(MiniStrayAnimalNote::getUuid, deleteStrayAnimalNoteMediaDTO.getNoteUuid()));
         if (note == null) {
-            throw new BusinessException("笔记不存在");
+            throw new MsgException("笔记不存在");
         }
 
         LambdaQueryWrapper<MiniStrayAnimalNoteMedia> queryWrapper =
@@ -333,7 +333,7 @@ public class StrayAnimalServiceImpl extends ServiceImpl<MiniStrayAnimalMapper, M
     @Override
     public void saveMediaSource(String noteUuid, List<MultipartFile> images, List<MultipartFile> videos) {
         if ((images == null || images.isEmpty()) && (videos == null || videos.isEmpty())) {
-            throw new BusinessException("需要上传媒体资源");
+            throw new MsgException("需要上传媒体资源");
         }
         MiniStrayAnimalNote note = miniStrayAnimalNoteMapper.selectOne(
             new LambdaQueryWrapper<MiniStrayAnimalNote>()
@@ -341,16 +341,16 @@ public class StrayAnimalServiceImpl extends ServiceImpl<MiniStrayAnimalMapper, M
                 .eq(MiniStrayAnimalNote::getDeleted, 0)
         );
         if (note == null) {
-            throw new BusinessException("笔记不存在");
+            throw new MsgException("笔记不存在");
         }
 
         Long animalId = note.getStrayAnimalId();
         MiniStrayAnimal miniStrayAnimal = miniStrayAnimalMapper.selectById(animalId);
         if (miniStrayAnimal == null) {
-            throw new BusinessException("动物信息不存在");
+            throw new MsgException("动物信息不存在");
         }
         if (1 == miniStrayAnimal.getAuditStatus()){
-            throw new BusinessException("审核中");
+            throw new MsgException("审核中");
         }
 
         //校验数量有没有超出
@@ -361,14 +361,14 @@ public class StrayAnimalServiceImpl extends ServiceImpl<MiniStrayAnimalMapper, M
             param.put("mediaType", AnimalNoteMediaTypeEnum.IMAGE.name().toLowerCase());
             int imagesExist = miniStrayAnimalNoteMediaMapper.getMediaCountByNoteIdAndType(param);
             if (imagesExist+images.size() > CommonConstants.STRAY_ANIMAL_IMAGE_NUM_LIMIT) {
-                throw new BusinessException("图片总数不能超过" + CommonConstants.STRAY_ANIMAL_IMAGE_NUM_LIMIT + "张");
+                throw new MsgException("图片总数不能超过" + CommonConstants.STRAY_ANIMAL_IMAGE_NUM_LIMIT + "张");
             }
         }
         if (CollectionUtils.isNotEmpty(videos)){
             param.put("mediaType", AnimalNoteMediaTypeEnum.VIDEO.name().toLowerCase());
             int videosExist = miniStrayAnimalNoteMediaMapper.getMediaCountByNoteIdAndType(param);
             if(videosExist+videos.size() > CommonConstants.STRAY_ANIMAL_VIDEO_NUM_LIMIT){
-                throw new BusinessException("视频总数不能超过" + CommonConstants.STRAY_ANIMAL_VIDEO_NUM_LIMIT + "个");
+                throw new MsgException("视频总数不能超过" + CommonConstants.STRAY_ANIMAL_VIDEO_NUM_LIMIT + "个");
             }
         }