寻找写代码感觉(十)之SpringBootAOP的使用
写在前面
之前有写过关于spring boot Aop使用之类的文章,传送门,感兴趣的同学可以,详细查看文章。
这里其实还是为了方便调试,及日志输出使用。
使用实例
示例代码如下:
package com.rongrong.wiki.aspect;
import com.alibaba.fastjson.JSONObject;
import com.alibaba.fastjson.support.spring.PropertyPreFilters;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.Signature;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import org.springframework.web.multipart.MultipartFile;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
@Aspect
@Component
public class LogAspect {
private final static Logger LOG = LoggerFactory.getLogger(LogAspect.class);
/** 定义一个切点 */
@Pointcut("execution(public * com.rongrong.*.controller..*Controller.*(..))")
public void controllerPointcut() {}
@Before("controllerPointcut()")
public void doBefore(JoinPoint joinPoint) throws Throwable {
// 开始打印请求日志
ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
HttpServletRequest request = attributes.getRequest();
Signature signature = joinPoint.getSignature();
String name = signature.getName();
// 打印请求信息
LOG.info("------------- 开始 -------------");
LOG.info("请求地址: {} {}", request.getRequestURL().toString(), request.getMethod());
LOG.info("类名方法: {}.{}", signature.getDeclaringTypeName(), name);
LOG.info("远程地址: {}", request.getRemoteAddr());
// 打印请求参数
Object[] args = joinPoint.getArgs();
// LOG.info("请求参数: {}", JSONObject.toJSONString(args));
Object[] arguments = new Object[args.length];
for (int i = 0; i < args.length; i++) {
if (args[i] instanceof ServletRequest
|| args[i] instanceof ServletResponse
|| args[i] instanceof MultipartFile) {
continue;
}
arguments[i] = args[i];
}
// 排除字段,敏感字段或太长的字段不显示
String[] excludeProperties = {"password", "file"};
PropertyPreFilters filters = new PropertyPreFilters();
PropertyPreFilters.MySimplePropertyPreFilter excludefilter = filters.addFilter();
excludefilter.addExcludes(excludeProperties);
LOG.info("请求参数: {}", JSONObject.toJSONString(arguments, excludefilter));
}
@Around("controllerPointcut()")
public Object doAround(ProceedingJoinPoint proceedingJoinPoint) throws Throwable {
long startTime = System.currentTimeMillis();
Object result = proceedingJoinPoint.proceed();
// 排除字段,敏感字段或太长的字段不显示
String[] excludeProperties = {"password", "file"};
PropertyPreFilters filters = new PropertyPreFilters();
PropertyPreFilters.MySimplePropertyPreFilter excludefilter = filters.addFilter();
excludefilter.addExcludes(excludeProperties);
LOG.info("返回结果: {}", JSONObject.toJSONString(result, excludefilter));
LOG.info("------------- 结束 耗时:{} ms -------------", System.currentTimeMillis() - startTime);
return result;
}
}
为了查看效果,避免混淆影响,需要先注释掉拦截器及过滤器部分相关代码
重新编译,启动,查看结果如下:
到此,SpringBootAOP的使用分享完毕
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