🚀 添加全局异常方法

common/service-util/src/main/java/com/atguigu/exception/BunnyException.java

@@ -0,0 +1,33 @@
+package com.atguigu.exception;
+
+import com.atguigu.common.result.ResultCodeEnum;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.ToString;
+import lombok.extern.slf4j.Slf4j;
+
+@NoArgsConstructor
+@Getter
+@ToString
+@Slf4j
+public class BunnyException extends RuntimeException {
+    Integer code;// 状态码
+    String message;// 描述信息
+
+    public BunnyException(Integer code, String message) {
+        super(message);
+        this.code = code;
+        this.message = message;
+    }
+
+    public BunnyException(String message) {
+        super(message);
+        this.message = message;
+    }
+
+    public BunnyException(ResultCodeEnum codeEnum) {
+        super(codeEnum.getMessage());
+        this.code = codeEnum.getCode();
+        this.message = codeEnum.getMessage();
+    }
+}

common/service-util/src/main/java/com/atguigu/exception/GlobalExceptionHandler.java

@@ -0,0 +1,82 @@
+package com.atguigu.exception;
+
+
+import com.atguigu.common.result.Result;
+import com.atguigu.common.result.ResultCodeEnum;
+import com.atguigu.constant.MessageConstant;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+
+import java.io.FileNotFoundException;
+import java.nio.file.AccessDeniedException;
+import java.sql.SQLIntegrityConstraintViolationException;
+
+@RestControllerAdvice
+@Slf4j
+public class GlobalExceptionHandler {
+    // 自定义异常信息
+    @ExceptionHandler(BunnyException.class)
+    @ResponseBody
+    public Result<Object> exceptionHandler(BunnyException exception) {
+        log.error("GlobalExceptionHandler===>自定义异常信息：{}", exception.getMessage());
+
+        Integer code = exception.getCode() != null ? exception.getCode() : 500;
+        return Result.error(null, code, exception.getMessage());
+    }
+
+    // 运行时异常信息
+    @ExceptionHandler(RuntimeException.class)
+    @ResponseBody
+    public Result<Object> exceptionHandler(RuntimeException exception) throws FileNotFoundException {
+        log.error("GlobalExceptionHandler===>运行时异常信息：{}", exception.getMessage());
+        exception.printStackTrace();
+        return Result.error(null, 500, "出错了啦");
+    }
+
+    // 捕获系统异常
+    @ExceptionHandler(Exception.class)
+    @ResponseBody
+    public Result<Object> error(Exception exception) {
+        log.error("GlobalExceptionHandler===>系统异常信息：{}", exception.getMessage());
+
+        return Result.error(null, 500, "系统异常");
+    }
+
+    // 特定异常处理
+    @ExceptionHandler(ArithmeticException.class)
+    @ResponseBody
+    public Result<Object> error(ArithmeticException exception) {
+        log.error("GlobalExceptionHandler===>特定异常信息：{}", exception.getMessage());
+
+        return Result.error(null, 500, exception.getMessage());
+    }
+
+    // spring security异常
+    @ExceptionHandler(AccessDeniedException.class)
+    @ResponseBody
+    public Result<String> error(AccessDeniedException exception) throws AccessDeniedException {
+        log.error("GlobalExceptionHandler===>spring security异常：{}", exception.getMessage());
+
+        return Result.error(ResultCodeEnum.PERMISSION);
+    }
+
+    // 处理SQL异常
+    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
+    @ResponseBody
+    public Result<String> exceptionHandler(SQLIntegrityConstraintViolationException exception) {
+        log.error("GlobalExceptionHandler===>处理SQL异常:{}", exception.getMessage());
+
+        String message = exception.getMessage();
+        if (message.contains("Duplicate entry")) {
+            // 截取用户名
+            String username = message.split(" ")[2];
+            // 错误信息
+            String errorMessage = username + MessageConstant.ALREADY_EXISTS;
+            return Result.error(errorMessage);
+        } else {
+            return Result.error(MessageConstant.UNKNOWN_ERROR);
+        }
+    }
+}