sky-take-out/sky-common/src/main/java/com/sky/common/handler/GlobalExceptionHandler.java

package com.sky.common.handler;

import com.sky.common.constant.MessageConstant;
import com.sky.common.exception.BaseException;
import com.sky.common.result.Result;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.sql.SQLIntegrityConstraintViolationException;

@RestControllerAdvice
@Slf4j
public class GlobalExceptionHandler {
    // 捕获业务异常
    @ExceptionHandler
    public Result<String> exceptionHandler(BaseException exception) {
        log.error("异常信息：{}", exception.getMessage());
        return Result.error(exception.getMessage());
    }

    // 处理SQL异常
    public Result<String> exceptionHandler(SQLIntegrityConstraintViolationException exception) {
        log.error("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);
        }
    }
}