本科毕业设计-课程资源系统-后端.zip

package pc.crs.common.aop.aspect; 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.aspectj.lang.reflect.MethodSignature; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.stereotype.Component; import pc.crs.common.aop.annotation.Log; import pc.crs.common.util.JsonUtil; import java.lang.reflect.Method; @Aspect @Component public class LogAspect { @Pointcut("@annotation(pc.crs.common.aop.annotation.Log)") public void aspect() { } @Around("aspect()") public Object around(ProceedingJoinPoint joinPoint) throws Throwable { MethodSignature signature = (MethodSignature) joinPoint.getSignature(); Method method = signature.getMethod(); Log log = method.getAnnotation(Log.class); String level = log.level(); boolean enableArgs = log.enableArgs(); boolean enableRet = log.enableRet(); if ("OFF".equals(level) || !enableArgs && !enableRet) { return joinPoint.proceed(); } Class<?>[] ignoreTypes = log.ignoreTypes(); Logger logger = LoggerFactory.getLogger(joinPoint.getTarget().getClass()); Object[] args; String[] parameterNames = signature.getParameterNames(); String argsString = ""; if (enableArgs) { args = joinPoint.getArgs(); StringBuilder builder = new StringBuilder(); for (int i = 0; i < args.length; i++) { Object arg = args[i]; if (!contains(ignoreTypes, arg)) { builder.append(parameterNames[i]) .append("=") .append(JsonUtil.toJsonString(arg, true)) .append("\n"); } } argsString = builder.toString(); } Object retVal; switch (level) { case "ERROR": if (enableArgs) logger.error("执行方法{}，入参{}", method.getName(), argsString); retVal = joinPoint.proceed(); if (enableRet) logger.error("执行方法{}，返回值{}", method.getName(), JsonUtil.toJsonString(retVal, true)); break; case "WARN": if (enableArgs) logger.warn("执行方法{}，入参{}", method.getName(), argsString); retVal = joinPoint.proceed(); if (enableRet) logger.warn("执行方法{}，返回值{}", method.getName(), JsonUtil.toJsonString(retVal, true)); break; case "INFO": if (enableArgs) logger.info("执行方法{}，入参{}", method.getName(), argsString); retVal = joinPoint.proceed(); if (enableRet) logger.info("执行方法{}，返回值{}", method.getName(), JsonUtil.toJsonString(retVal, true)); break; case "DEBUG": if (enableArgs) logger.debug("执行方法{}，入参{}", method.getName(), argsString); retVal = joinPoint.proceed(); if (enableRet) logger.debug("执行方法{}，返回值{}", method.getName(), JsonUtil.toJsonString(retVal, true)); break; case "TRACE": if (enableArgs) logger.trace("执行方法{}，入参{}", method.getName(), argsString); retVal = joinPoint.proceed(); if (enableRet) logger.trace("执行方法{}，返回值{}", method.getName(), JsonUtil.toJsonString(retVal, true)); break; default: throw new RuntimeException("Log.level: " + level + " 标注错误"); } return retVal; } private boolean contains(Class<?>[] classes, Object object) { // null参数都打印 if (object == null) { return false; } for (Class<?> clazz : classes) { if (clazz.isAssignableFrom(object.getClass())) return true; } return false; } }