ResponseAop.java
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package com.pipihelper.project.interceptor;
import com.pipihelper.project.core.Result;
import com.pipihelper.project.core.ResultCode;
import lombok.extern.slf4j.Slf4j;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.springframework.stereotype.Component;
/**
* 白名单拦截器,用于控制允许访问的请求
*
* @author zlikun
* @date 2021/10/21 14:39
*/
@Slf4j
@Component
@Aspect
public class ResponseAop {
//这里改成自己项目的控制层路径
@Pointcut("execution(public * com.pipihelper.project.controller..*(..))")
public void httpResponse() {
}
//环切
@Around("httpResponse()")
public Result handlerController(ProceedingJoinPoint proceedingJoinPoint) {
Result result = new Result();
try {
//获取方法的执行结果
Object proceed = proceedingJoinPoint.proceed();
//如果方法的执行结果是Result,则将该对象直接返回
if (proceed instanceof Result) {
result = (Result) proceed;
} else {
//否则,就要封装到Result的data中
result.setData(proceed);
}
} catch (Throwable throwable) {
//如果出现了异常,调用异常处理方法将错误信息封装到Result中并返回
result = handlerException(throwable);
}
return result;
}
//异常处理
private Result handlerException(Throwable throwable) {
Result result = new Result();
//这里需要注意,返回枚举类中的枚举在写的时候应该和异常的名称相对应,以便动态的获取异常代码和异常信息,我这边是统一返回500,msg存报的异常
//获取异常名称的方法
String errorName = throwable.toString();
errorName = errorName.substring(errorName.lastIndexOf(".") + 1);
result.setMessage(errorName);
result.setCode(ResultCode.INTERNAL_SERVER_ERROR);
return result;
}
}