把日志功能做在切面上

package com.model.oa.annotation;

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;


@Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface SysLog {

	String value() default "";
}

package com.model.oa.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.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import com.model.oa.action.BaseAction;
import com.model.oa.annotation.SysLog;
import com.model.oa.entity.SysLogEntity;
import com.model.oa.service.SysLogService;
import com.model.oa.util.HttpContextUtils;
import com.model.oa.util.IPUtils;
import com.model.oa.util.JsonUtil;
import javax.servlet.http.HttpServletRequest;
import java.lang.reflect.Method;
import java.util.Date;



@Aspect
@Component
public class SysLogAspect extends BaseAction{
	@Autowired
	private SysLogService sysLogService;
	
	@Pointcut("@annotation(com.model.oa.annotation.SysLog)")
	public void logPointCut() { 
		
	}

	@Around("logPointCut()")
	public Object around(ProceedingJoinPoint point) throws Throwable {
		long beginTime = System.currentTimeMillis();
		//执行方法
		Object result = point.proceed();
		//执行时长(毫秒)
		long time = System.currentTimeMillis() - beginTime;

		//保存日志
		saveSysLog(point, time);

		return result;
	}

	private void saveSysLog(ProceedingJoinPoint joinPoint, long time) {
		MethodSignature signature = (MethodSignature) joinPoint.getSignature();
		Method method = signature.getMethod();

		SysLogEntity sysLog = new SysLogEntity();
		SysLog syslog = method.getAnnotation(SysLog.class);
		if(syslog != null){
			//注解上的描述
			sysLog.setOperation(syslog.value());
		}

		//请求的方法名
		String className = joinPoint.getTarget().getClass().getName();
		String methodName = signature.getName();
		sysLog.setMethod(className + "." + methodName + "()");

		//请求的参数
		Object[] args = joinPoint.getArgs();
		try{
			String params = JsonUtil.toJsonStr(args[0]);
			sysLog.setParams(params);
		}catch (Exception e){

		}

		//获取request
		HttpServletRequest request = HttpContextUtils.getHttpServletRequest();
		//设置IP地址
		sysLog.setIp(IPUtils.getIpAddr(request));

		//用户名
		String username = super.currentUser(request).getUserName();
		sysLog.setUsername(username);

		sysLog.setTime(time);
		sysLog.setCreateDate(new Date());
		//保存系统日志
		sysLogService.save(sysLog);
	}
}

package com.model.oa.entity;

import java.io.Serializable;
import java.util.Date;





public class SysLogEntity implements Serializable {
	private static final long serialVersionUID = 1L;
	
	private Long id;
	//用户名
	private String username;
	//用户操作
	private String operation;
	//请求方法
	private String method;
	//请求参数
	private String params;
	//执行时长(毫秒)
	private Long time;
	//IP地址
	private String ip;
	//创建时间
	private Date createDate;

	public void setId(Long id) {
		this.id = id;
	}
	public Long getId() {
		return id;
	}
	public void setUsername(String username) {
		this.username = username;
	}
	public String getUsername() {
		return username;
	}
	public void setOperation(String operation) {
		this.operation = operation;
	}
	public String getOperation() {
		return operation;
	}
	public void setMethod(String method) {
		this.method = method;
	}
	public String getMethod() {
		return method;
	}
	public void setParams(String params) {
		this.params = params;
	}
	public String getParams() {
		return params;
	}
	public void setIp(String ip) {
		this.ip = ip;
	}
	public String getIp() {
		return ip;
	}
	public void setCreateDate(Date createDate) {
		this.createDate = createDate;
	}
	public Date getCreateDate() {
		return createDate;
	}

	public Long getTime() {
		return time;
	}

	public void setTime(Long time) {
		this.time = time;
	}
}