log4js日志
安装log4js:npm install log4js
express中配置log4js中间件:
var log = require("./modules/utils/logUtil.js");
log.use(app);
logUtil工具类:
/**
* Created by Administrator on 2015/9/8.
*/
"use strict"; var helper = {};
var log4js = require('log4js');
var fs = require("fs");
var path = require("path");
var dbOperate = require("./dbUtil.js");
helper.levels = {
FATAL: log4js.levels.FATAL,
ERROR: log4js.levels.ERROR,
WARN: log4js.levels.WARN,
DEBUG: log4js.levels.DEBUG,
INFO: log4js.levels.INFO
};
helper.config =
{
"appenders": [
{
"type": "console",
"category": "console"
},
{
"filename": "logs/",
"pattern": "yyyyMMdd.log",
"category": "logInfo",
"type": "dateFile",
"alwaysIncludePattern": true,
"level":"INFO"
}
],
"replaceConsole": true
}; // 加载配置文件
//var objConfig = JSON.parse(fs.readFileSync(path.join(__dirname + "/config"), "utf8"));
log4js.configure(helper.config);
var logInfo = log4js.getLogger('logInfo');
var name = null; /**
* 日志保存
* @param req request请求,用于获取ip、url等信息
* @param operateType 操作类型,例如:0000-登录,1111-退出
* @param operateData 被操作的数据
* @param category 日志类别(日志模块类别)
* @param results 操作结果
* @param msg log信息
* @param logLevel 日志level:详见helper.levels
*/
helper.saveLogFile = function (req, operateType,operateData, category, results, msg, logLevel) {
var logLevel = logLevel.toString();
var conf =
{
"appenders": [
{
"type": "console",
"category": "console"
},
{
"filename": "logs/",
"pattern": "yyyyMMdd.log",
"category": category,
"type": "dateFile",
"alwaysIncludePattern": true,
"level":logLevel
}
],
"replaceConsole": true
};
log4js.configure(conf);
name = log4js.getLogger(category);
if (msg == null)
msg = "";
var username;
if(typeof req.session.user != "undefined"){
username = req.session.user.username;
}else{
username = req.body.username;
}
switch (logLevel) {
case 'ERROR':
name.error("msg:" + msg + "user:" + username + "ip:" + req.ip + " url:" + req.originalUrl + " operateType:" + operateType + " operateData:"
+ operateData + " results:" + results + " User-Agent:" + req.get("User-Agent"));
break;
case 'WARN':
name.warn("msg:" + msg + " user:" + username + " ip:" + req.ip + " url:" + req.originalUrl + " operateType:" + operateType + " operateData:"
+ operateData + " results:" + results + " User-Agent:" + req.get("User-Agent"));
break;
case 'DEBUG':
name.debug("msg:" + msg + " user:" + username + " ip:" + req.ip + " url:" + req.originalUrl + " operateType:" + operateType + " operateData:"
+ operateData + " results:" + results + " User-Agent:" + req.get("User-Agent"));
break;
case 'FATAL':
name.fatal("msg:" + msg + " user:" + username + " ip:" + req.ip + " url:" + req.originalUrl + " operateType:" + operateType + " operateData:"
+ operateData + " results:" + results + " User-Agent:" + req.get("User-Agent"));
break;
default:
name.info("msg:" + msg + " user:" + username + " ip:" + req.ip + " url:" + req.originalUrl + " operateType:" + operateType + " operateData:"
+ operateData + " results:" + results + " User-Agent:" + req.get("User-Agent"));
break;
}
}; /**
* 日志保存
* @param req request请求,用于获取ip等信息
* @param operateType 操作类型,例如:0000-登录,1111-退出
* @param operateData 被操作的数据
* @param category 日志类别(日志模块类别)
* @param results 操作结果
* @param msg log信息
* @param logLevel 日志level:info、debug、warn、error、fatal 0-5
*/
helper.saveLog = function (req, operateType, operateData, category, results, msg, logLevel) {
var username;
if(typeof req.session.user != "undefined"){
username = req.session.user.username;
}else{
username = req.body.username;
}
var logData = {
'category': category,
'username': username,
'agent': req.get("User-Agent"),
'operateType': operateType,
'ip': req.ip,
'operateData': operateData,
'url': req.originalUrl,
'results': results,
'msg': msg,
'logLevel': logLevel
};
dbOperate.insert(logData, "dbo.sysLog", function (results) {
console.log(results);
}, "");
}; // 配合express用的方法
exports.use = function (app) {
//页面请求日志, level用auto时,默认级别是WARN
app.use(log4js.connectLogger(logInfo, {level: 'INFO'})); //, format:':method :url'
}; exports.helper = helper;
其中helper.config里面配置log4js:
appenders:数组对象,表示log输出的路径,每一个元素都是一个appender,主要包括:console-控制台输出、dateFile-根据日期配置自动生成当前日期下的日志、file-纯粹在一个文件中输出
type:日志输出类型 pattern:日志输出格式 category:日志类别 alwaysIncludePattern:是否始终以pattern指定格式输出日志 level:日志输出级别 replaceConsole:是否以log4js格式在控制台输出控制台自身log
输出log目录(log目录必须手动先行创建):

log内容:
[2015-09-09 17:46:20.421] [INFO] logInfo - ::1 - - "GET /javascripts/jquery-easyui-1.4.3/themes/default/images/calendar_arrows.png HTTP/1.1" 304 - "http://localhost:3000/javascripts/jquery-easyui-1.4.3/themes/default/easyui.css" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.6 Safari/537.36"
[2015-09-09 17:46:26.350] [INFO] logInfo - ::1 - - "POST /user/add HTTP/1.1" 200 16 "http://localhost:3000/user/userManage.html" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.6 Safari/537.36"
[2015-09-09 17:46:26.452] [INFO] logInfo - ::1 - - "POST /user/list HTTP/1.1" 200 1966 "http://localhost:3000/user/userManage.html" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.6 Safari/537.36"
[2015-09-09 17:46:28.872] [INFO] logInfo - ::1 - - "POST /user/list HTTP/1.1" 200 606 "http://localhost:3000/user/userManage.html" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.6 Safari/537.36"
[2015-09-09 17:46:28.883] [INFO] logInfo - ::1 - - "GET /upload/0.3529507869388908.png HTTP/1.1" 304 - "http://localhost:3000/user/userManage.html" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.6 Safari/537.36"
[2015-09-09 17:46:28.884] [INFO] logInfo - ::1 - - "GET /upload/0.09649713477119803.png HTTP/1.1" 304 - "http://localhost:3000/user/userManage.html" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.6 Safari/537.36"
[2015-09-09 17:46:28.892] [INFO] logInfo - ::1 - - "GET /upload/0.4691608641296625.png HTTP/1.1" 200 27561 "http://localhost:3000/user/userManage.html" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.6 Safari/537.36"
数据库中log表内容:

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