SpringBoot全局异常处理

1. 代码

  • 定义错误枚举
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@AllArgsConstructor
@Getter
public enum ErrorCodeEnum {

    SYSTEM_ERROR(100001, "系统异常");

    private final Integer code;
    private final String msg;
}
  • 定义异常类
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/**
 * 业务异常
 */
@Data
public class BizException extends RuntimeException {
    private Integer code;
    private String msg;

    public BizException(ErrorCodeEnum errorCodeEnum) {
        super(errorCodeEnum.getMsg());
        this.code = errorCodeEnum.getCode();
        this.msg = errorCodeEnum.getMsg();
    }
}
  • 定义全局异常处理类
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/**
 * 全局异常处理
 */
@RestControllerAdvice
public class GlobalExceptionHandler {

    @ExceptionHandler(BizException.class)
    public Result handleBizException(BizException bizException) {
        return Result.fail(bizException.getCode(), bizException.getMsg());
    }

    @ExceptionHandler(Exception.class)
    public Result handleException(Exception exception) {
        return Result.fail(exception.getMessage());
    }
}