Java SpringBoot全局错误处理类，返回标准结果

package demo.utils;

import com.alibaba.fastjson.JSON;
import demo.controller.ProductController;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

/**
 * Controller全局错误捕获类
 */
@RestControllerAdvice  //拦截异常并统一处理
public class ExceptionIntercept {
    public static final String PLAT_ERROR = "PLAT_ERROR";
    // Logger和LogManager导入的是org.apache.logging包
    private static final Logger logger = LogManager.getLogger(ProductController.class);

    @ExceptionHandler(Exception.class)
    public MessagePack handler(Exception ex) {
        //返回错误数据包
        MessagePack pack = new MessagePack();
        pack.setCode(MessagePack.ERROR);
        pack.setMessage(ex.getMessage());
        pack.setStatus(PLAT_ERROR);
        //同时记录错误日志
        logger.error("Controller全局错误捕获类==>" + JSON.toJSONString(pack));
        return pack;
    }
}
package demo.utils;

import com.alibaba.fa