spring aop 实现用户操作日志记录功能

首先写好一个工具类 LogAspect.java

package com.yangjf.commons;import java.lang.reflect.Method;import java.util.Date;import org.aspectj.lang.JoinPoint;import org.aspectj.lang.annotation.AfterReturning;import org.aspectj.lang.annotation.Aspect;import org.aspectj.lang.annotation.Pointcut;import org.springframework.beans.factory.annotation.Autowired;import com.yangjf.entity.Admin;import com.yangjf.entity.Log;import com.yangjf.service.LogService;@Aspectpublic class LogAspect {public Integer id=null; @AutowiredLogService logService;/** * 管理员登录方法的切入点 */@Pointcut("execution(* com.yangjf.service.*.login(..))")public void loginCell(){}/** * 添加业务逻辑方法切入点 */@Pointcut("execution(* com.yangjf.service.*.save(..))")public void insertCell() {}/** * 修改业务逻辑方法切入点 */@Pointcut("execution(* com.yangjf.service.*.update(..))")public void updateCell() {}/** * 删除业务逻辑方法切入点 */@Pointcut("execution(* com.yangjf.service.*.delete(..))")public void deleteCell() {}/** * 登录操作(后置通知) * @param joinPoint * @param object * @throws Throwable */@AfterReturning(value = "loginCell()", argNames = "object", returning = "object")public void loginLog(JoinPoint joinPoint, Object object) throws Throwable {Admin admin=(Admin)object;if (admin==null) {return;}if (joinPoint.getArgs() == null) {// 没有参数return;}id=admin.getId();// 获取方法名String methodName = joinPoint.getSignature().getName();// 获取操作内容String opContent = optionContent(joinPoint.getArgs(), methodName);Log log = new Log();log.setContent(opContent);log.setAdminId(admin.getId());log.setCreateDate(new Date());log.setOperation("登录");logService.insertLog(log);}/** * 添加操作日志(后置通知) *  * @param joinPoint * @param object */@AfterReturning(value = "insertCell()", argNames = "object", returning = "object")public void insertLog(JoinPoint joinPoint, Object object) throws Throwable {// Admin admin=(Admin)// request.getSession().getAttribute("businessAdmin");// 判断参数if (joinPoint.getArgs() == null) {// 没有参数return;}// 获取方法名String methodName = joinPoint.getSignature().getName();// 获取操作内容String opContent = optionContent(joinPoint.getArgs(), methodName);Log log = new Log();log.setContent(opContent); log.setAdminId(id);;log.setOperation("添加");log.setCreateDate(new Date());logService.insertLog(log);}/** * 管理员修改操作日志(后置通知) *  * @param joinPoint * @param object * @throws Throwable */@AfterReturning(value = "updateCell()", argNames = "object", returning = "object")public void updateLog(JoinPoint joinPoint, Object object) throws Throwable {// Admin admin=(Admin)// request.getSession().getAttribute("businessAdmin");// 判断参数if (joinPoint.getArgs() == null) {// 没有参数return;}// 获取方法名String methodName = joinPoint.getSignature().getName();// 获取操作内容String opContent = optionContent(joinPoint.getArgs(), methodName);// 创建日志对象Log log = new Log();log.setContent(opContent);log.setAdminId(id);log.setOperation("修改");// 操作log.setCreateDate(new Date());logService.insertLog(log);}/** * 删除操作 *  * @param joinPoint * @param object */@AfterReturning(value = "deleteCell()", argNames = "object", returning = "object")public void deleteLog(JoinPoint joinPoint, Object object) throws Throwable {// Admin admin=(Admin)// request.getSession().getAttribute("businessAdmin");// 判断参数if (joinPoint.getArgs() == null) {// 没有参数return;}// 获取方法名String methodName = joinPoint.getSignature().getName();StringBuffer rs = new StringBuffer();rs.append(methodName);String className = null;for (Object info : joinPoint.getArgs()) {// 获取对象类型className = info.getClass().getName();className = className.substring(className.lastIndexOf(".") + 1);rs.append("[参数，类型:" + className + "，值:(id:"+ joinPoint.getArgs()[0] + ")");}// 创建日志对象Log log = new Log();log.setContent(rs.toString());log.setAdminId(id);log.setOperation("删除");// 操作log.setCreateDate(new Date());logService.insertLog(log);}/** * 使用Java反射来获取被拦截方法(insert、update)的参数值， 将参数值拼接为操作内容 *  * @param args * @param mName * @return */public String optionContent(Object[] args, String mName) {if (args == null) {return null;}StringBuffer rs = new StringBuffer();rs.append(mName);String className = null;int index = 1;// 遍历参数对象for (Object info : args) {// 获取对象类型className = info.getClass().getName();className = className.substring(className.lastIndexOf(".") + 1);rs.append("[参数" + index + "，类型:" + className + "，值:");// 获取对象的所有方法Method[] methods = info.getClass().getDeclaredMethods();// 遍历方法，判断get方法for (Method method : methods) {String methodName = method.getName();// 判断是不是get方法if (methodName.indexOf("get") == -1) {// 不是get方法continue;// 不处理}Object rsValue = null;try {// 调用get方法，获取返回值rsValue = method.invoke(info);} catch (Exception e) {continue;}// 将值加入内容中rs.append("(" + methodName + ":" + rsValue + ")");}rs.append("]");index++;}return rs.toString();}}

aop在applicationcontext.xml的配置

<!-- 日志 --><aop:aspectj-autoproxy /><bean id="logBean" class="com.yangjf.commons.LogAspect"></bean>