问题:
系统需要记录用户的关键操作日志,以便后期的系统维护,方便的查看问题,及时排除
分析:
(1)保存字段:作为一个日志记录功能,首先数据库新建一张表保存用户的操作关键字段,
用户名,ip,操作描述,时间,日志id
(2)采用技术:
第一种:新建一个日志业务实现,在操作发生时进行联动
缺点是耦合太紧密,无用代码增多,后期代码臃肿,改动时地方分散,不利于维护
第二种:使用spring 的 aop 技术进行切面切入
由于本身系统结构不规范,参数,方法名没有一致的样式,使用正则匹配方法名不是很方便
本身日志记录也只是记录关键操作,api全部切入的话,就不需要这个功能了
必须有针对性的记录关键操作日志
第三种:使用spring 的 aop 技术切到自定义注解上,针对不同注解标志进行参数解析,记录日志
缺点是要针对每个不同的注解标志进行分别取注解标志,获取参数进行日志记录输出
解决:
由于本身系统的不规范,个人技术能力的欠缺,目前采用第三种办法进行关键日志的记录
(1)首先新建 注解类【MethodLog】
package org.triber.portal.service.logAop;
import java.lang.annotation.*;
/**
* 日志切面注解
*/
@Target({ ElementType.METHOD, ElementType.TYPE })
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface MethodLog {
String remark() default "";
String operType() default "0";
// String desc() default "";
}
(2)新建切面实现类【LogService】
package org.triber.portal.service.logAop;
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.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import org.triber.common.helper.StringUtil;
import org.triber.common.helper.UserUtil;
import org.triber.common.model.menu.MenuModel;
import org.triber.common.model.user.User;
import org.triber.portal.dao.mapper.operateLog.OperateLogMapper;
import org.triber.portal.model.area.Area;
import javax.servlet.http.HttpServletRequest;
import java.lang.reflect.Method;
import java.text.SimpleDateFormat;
import java.util.Calendar;
/**
* 日志切面实现
*/
@Component
@Aspect
public class LogService {
@Autowired
private OperateLogMapper dao;
public LogService() {
System.out.println("Aop");
}
/**
* 切点
*/
@Pointcut("@annotation(org.triber.portal.service.logAop.MethodLog)")
public void methodCachePointcut() { }
/**
* 切面
*
* @param point
* @return
* @throws Throwable
*/
@Around("methodCachePointcut()")
public Object around(ProceedingJoinPoint point) throws Throwable {
HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder
.getRequestAttributes()).getRequest();
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss E");
Calendar ca = Calendar.getInstance();
String operDate = df.format(ca.getTime());
String ip = getIp(request);
User user = UserUtil.getCurrentUser(request);
String loginName;
String name;
if (user != null) {
loginName = user.getLoginName();
} else {
loginName = "匿名用户";
}
String methodRemark = getMthodRemark(point);
String methodName = point.getSignature().getName();
String packages = point.getThis().getClass().getName();
if (packages.indexOf("$$EnhancerByCGLIB$$") > -1) { // 如果是CGLIB动态生成的类
try {
packages = packages.substring(0, packages.indexOf("$$"));
} catch (Exception ex) {
ex.printStackTrace();
}
}
String operatingcontent = "";
Object[] method_param = null;
Object object;
try {
method_param = point.getArgs(); //获取方法参数
// String param=(String) point.proceed(point.getArgs());
object = point.proceed();
} catch (Exception e) {
// 异常处理记录日志..log.error(e);
throw e;
}
Syslog sysLog = new Syslog();
sysLog.setOptId(org.triber.common.util.StringUtil.getRandNum(11));
sysLog.setLoginId(user.getLoginId());
sysLog.setLoginName(loginName);
sysLog.setIpAddress(ip);
sysLog.setMethodName(packages + "." + methodName);
sysLog.setMethodRemark(methodRemark);
sysLog.setOptDate(operDate);
/**
* 用户操作
*/
if("新增用户".equals(methodRemark)){
HttpServletRequest req = (HttpServletRequest) method_param[0];
sysLog.setOperatingcontent("新增用户: 用户名为 " + req.getParameter("userName"));
}
if("删除用户".equals(methodRemark)){
String loginId = (String) method_param[1];
sysLog.setOperatingcontent("删除用户: 用户id为 " + loginId);
}
if("修改用户".equals(methodRemark)){
HttpServletRequest req = (HttpServletRequest) method_param[0];
sysLog.setOperatingcontent("修改用户: 用户名为 " + req.getParameter("loginName"));
}
/**
* 角色操作
*/
if("新增角色".equals(methodRemark)){
HttpServletRequest req = (HttpServletRequest) method_param[0];
sysLog.setOperatingcontent("新增角色: 角色名为 " + req.getParameter("roleDesc"));
}
if("删除角色".equals(methodRemark)){
String roleId = (String) method_param[1];
sysLog.setOperatingcontent("新增角色: 角色id为 " + roleId);
}
if("修改角色".equals(methodRemark)){
HttpServletRequest req = (HttpServletRequest) method_param[0];
sysLog.setOperatingcontent("修改角色: 角色名为 " + req.getParameter("roleDesc"));
}
/**
* 菜单操作
*/
if("新增菜单".equals(methodRemark)){
MenuModel menuModel = (MenuModel) method_param[0];
sysLog.setOperatingcontent("新增菜单: 菜单名为 " + menuModel.getMenuName());
}
if("删除菜单".equals(methodRemark)){
String menuId = (String) method_param[0];
sysLog.setOperatingcontent("删除菜单: 菜单id为 " + menuId);
}
if("修改菜单".equals(methodRemark)){
MenuModel menuModel = (MenuModel) method_param[0];
sysLog.setOperatingcontent("修改菜单: 菜单名为 " + menuModel.getMenuName());
}
/**
* 部门操作
*/
if("新增部门".equals(methodRemark)){
String deptDesc = (String) method_param[1];
sysLog.setOperatingcontent("新增部门: 部门名为 " + deptDesc);
}
if("修改部门".equals(methodRemark)){
String deptDesc = (String) method_param[2];
sysLog.setOperatingcontent("修改部门: 部门名为 " + deptDesc);
}
/**
* 地区操作
*/
if("新增地区".equals(methodRemark)){
Area area = (Area) method_param[0];
sysLog.setOperatingcontent("新增地区: 地区名为 " + area.getAreaDscr().trim());
}
if("删除地区".equals(methodRemark)){
String areaId = (String) method_param[0];
sysLog.setOperatingcontent("删除地区: 地区id为 " + areaId);
}
if("修改地区".equals(methodRemark)){
Area area = (Area) method_param[0];
sysLog.setOperatingcontent("修改地区: 地区名为 " + area.getAreaDscr().trim());
}
/**
* 机构操作
*/
if("新增机构".equals(methodRemark)){
String isAdd = (String) method_param[1];
if(isAdd.equals("1")){
String addOrgDscrPancy = (String) method_param[5];
sysLog.setOperatingcontent("新增机构: 机构名为 " + addOrgDscrPancy);
}else{
String addOrgDscrPancy = (String) method_param[5];
sysLog.setOperatingcontent("修改机构: 机构名为 " + addOrgDscrPancy);
}
}
if("删除机构".equals(methodRemark)){
String orgId = (String) method_param[3];
sysLog.setOperatingcontent("删除机构: 机构id为 " + orgId);
}
/**
* 空参数
*/
if("".equals(methodRemark) || null == methodRemark){
sysLog.setOperatingcontent("操作参数: " + method_param[0]);
}
dao.saveSysLog(sysLog);
// System.out.println("日志实体:"+sysLog.getLoginName()+sysLog.getMethodRemark()+sysLog.getOperatingcontent());
return object;
}
/**
* 方法异常时调用
*
* @param ex
*/
public void afterThrowing(Exception ex) {
System.out.println("afterThrowing");
System.out.println(ex);
}
/**
* 获取方法中的中文备注
*
* @param joinPoint
* @return
* @throws Exception
*/
public static String getMthodRemark(ProceedingJoinPoint joinPoint) throws Exception {
String targetName = joinPoint.getTarget().getClass().getName();
String methodName = joinPoint.getSignature().getName();
Object[] arguments = joinPoint.getArgs();
Class targetClass = Class.forName(targetName);
Method[] method = targetClass.getMethods();
String methode = "";
for (Method m : method) {
if (m.getName().equals(methodName)) {
Class[] tmpCs = m.getParameterTypes();
if (tmpCs.length == arguments.length) {
MethodLog methodCache = m.getAnnotation(MethodLog.class);
if (methodCache != null) {
methode = methodCache.remark();
}
break;
}
}
}
return methode;
}
/**
* 获取请求ip
*
* @param request
* @return
*/
public static String getIp(HttpServletRequest request) {
String ip = request.getHeader("X-Forwarded-For");
if (StringUtil.isNotEmpty(ip) && !"unKnown".equalsIgnoreCase(ip)) {
int index = ip.indexOf(",");
if (index != -1) {
return ip.equals("0:0:0:0:0:0:0:1")?"127.0.0.1":ip.substring(0, index);
} else {
return ip.equals("0:0:0:0:0:0:0:1")?"127.0.0.1":ip;
}
}
ip = request.getHeader("X-Real-IP");
if (StringUtil.isNotEmpty(ip) && !"unKnown".equalsIgnoreCase(ip)) {
return ip;
}
return request.getRemoteAddr().equals("0:0:0:0:0:0:0:1")?"127.0.0.1":ip;
}
}
(3)新建日志实体【Syslog】
package org.triber.portal.service.logAop;
import lombok.Getter;
import lombok.Setter;
import java.io.Serializable;
/**
* 操作日志实体类
*/
public class Syslog implements Serializable{
@Setter@Getter private String optId;
@Setter@Getter private String loginId;
@Setter@Getter private String loginName;
@Setter@Getter private String ipAddress;
@Setter@Getter private String methodName;
@Setter@Getter private String methodRemark;
@Setter@Getter private String operatingcontent;
@Setter@Getter private String optDate;
//模糊条件
@Setter@Getter private String serchCondition;
}
(4)日志切入【添加注解标志即可】
/**
* 删除金融机构
* @param request
* @param response
* @param operateVersionId 机构版本
* @param orgId 机构iD
* @param orgLvl 机构层级
* @return
* @throws Exception
*/
@RequestMapping(value = "delOrgByFlagAndOrgId", method = RequestMethod.POST, produces = {"application/json"})
@MethodLog(remark = "删除机构")
public String delOrgByFlagAndOrgId(HttpServletRequest request,
HttpServletResponse response,
@RequestParam(value = "operateVersionId", required = false) String operateVersionId,
@RequestParam(value = "orgId", required = false) String orgId,
@RequestParam(value = "orgLvl", required = false) String orgLvl) throws Exception{
orgService.delOrgByFlagAndOrgId(areaIdPrefix,orgId, orgLvl, operateVersionId);
return "0";
}
(5)maven注入aop依赖
<!--spring切面aop依赖-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-aop</artifactId>
</dependency>
在application.properties文件里加这样一条配置
spring.aop.auto=true
在springboot项目里加这两条配置即可,就可以开启aop功能
总结:
至此,大功告成,可以开始加注解标志,获取参数,记录关键信息,输出日志了。。。