Js SDK获取网页信息代码,Js代码库,德仔网

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【Js】 Js SDK获取网页信息
作者: / 发布于2017/5/15/ 233
主题：实现编写js 去获取网页信息(包含10多项内容) 备注：js sdk的嵌入位置----》html或者其他页面内
一、编写js代码如下
(function(){
	var CookieUtil = {
			// get the cookie of the key is name
			get: function(name) {
				var cookieName = encodeURIComponent(name) + "=",
					cookieStart = document.cookie.indexOf(cookieName),
					cookieValue = null;
				if (cookieStart > -1) {
					var cookieEnd = document.cookie.indexOf(";", cookieStart);
					if (cookieEnd == -1) {
						cookieEnd = document.cookie.length;
					}
					cookieValue = decodeURIComponent(document.cookie.substring(cookieStart+cookieName.length, cookieEnd));
				}
				return cookieValue;
			},
			// set the name/value pair to browser cookie
			set: function(name, value, expires, path, domain, secure) {
				var cookieText = encodeURIComponent(name) + "=" + encodeURIComponent(value);

				if (expires) {
					// set the expires time
					var expiresTime = new Date();
					expiresTime.setTime(expires);
					cookieText += ";expires=" +  expiresTime.toGMTString();
				}

				if (path) {
					cookieText += ";path=" + path;
				}

				if (domain) {
					cookieText += ";domain=" + domain;
				}

				if (secure) {
					cookieText += ";secure";
				}

				document.cookie = cookieText;
			},
			setExt: function(name, value) {
				this.set(name, value, new Date().getTime() + 315360000000, "/");
			}
	};

	// 主体，其实就是tracker js
	var tracker = {
			// config
			clientConfig: {
				serverUrl: "http://your_ip/log.gif",   //访问后写入日志的url地址
				sessionTimeout: 180, // 180s -> 3min
				maxWaitTime: 1800,   // 1800s -> 30min -> 0.5h
				ver: "1"
			},

			cookieExpiresTime: 315360000000, // cookie过期时间，10年
			
			columns: {
				// 发送到服务器的字符串的列名称
				eventName: "en",
				version: "ver",
				platform: "pl",
				sdk: "sdk",
				uuid: "u_ud",
				memberId: "u_mid",
				sessionId: "u_sd",
				clientTime: "c_time",
				language: "l",
				userAgent: "b_iev",
				resolution: "b_rst",
				currentUrl: "p_url",
				referrerUrl: "p_ref",
				title: "tt",
				orderId: "oid",
				orderName: "on",
				currencyAmount: "cua",
				currencyType: "cut",
				paymentType: "pt",
				category: "ca",
				action: "ac",
				kv: "kv_",
				duration: "du"
			},

			keys: {
				pageView: "e_pv",
				chargeRequestEvent: "e_crt",
				launch: "e_l",
				eventDurationEvent: "e_e",
				sid: "bftrack_sid",
				uuid: "bftrack_uuid",
				mid: "bftrack_mid",
				preVisitTime: "bftrack_previsit",
				
			},

			/**
			 * 获取会话id
			 */
			getSid: function() {
				return CookieUtil.get(this.keys.sid);
			},

			/**
			 * 保存会话id到cookie
			 */
			setSid: function(sid) {
				if (sid) {
					CookieUtil.setExt(this.keys.sid, sid);
				}
			},

			/**
			 * 获取uuid，从cookie中
			 */
			getUuid: function() {
				return CookieUtil.get(this.keys.uuid);
			},

			/**
			 * 保存uuid到cookie
			 */
			setUuid: function(uuid) {
				if (uuid) {
					CookieUtil.setExt(this.keys.uuid, uuid);
				}
			},

			/**
			 * 获取memberID
			 */
			getMemberId: function() {
				return CookieUtil.get(this.keys.mid);
			},

			/**
			 * 设置mid
			 */
			setMemberId: function(mid) {
				if (mid) {
					CookieUtil.setExt(this.keys.mid, mid);
				}
			},

			startSession: function() {
				// 使得加载js就触发的方法
				if (this.getSid()) {
					// 会话id存在，表示uuid也存在
					if (this.isSessionTimeout()) {
						// 会话过期,产生新的会话
						this.createNewSession();
					} else {
						// 会话没有过期，更新最近访问时间
						this.updatePreVisitTime(new Date().getTime());
					}
				} else {
					// 会话id不存在，表示uuid也不存在
					this.createNewSession();
				}
				this.onPageView();
			},

			onLaunch: function() {
				// 触发launch事件
				var launch = {};
				launch[this.columns.eventName] = this.keys.launch; // 设置事件名称
				this.setCommonColumns(launch); // 设置公用columns
				this.sendDataToServer(this.parseParam(launch)); // 最终发送编码后的数据
			},

			onPageView: function() {
				// 触发page view事件
				if (this.preCallApi()) {
					var time = new Date().getTime();
					var pageviewEvent = {};
					pageviewEvent[this.columns.eventName] = this.keys.pageView;
					pageviewEvent[this.columns.currentUrl] = window.location.href; // 设置当前url
					pageviewEvent[this.columns.referrerUrl] = document.referrer; // 设置前一个页面的url
					pageviewEvent[this.columns.title] = document.title; // 设置title
					this.setCommonColumns(pageviewEvent); // 设置公用columns
					this.sendDataToServer(this.parseParam(pageviewEvent)); // 最终发送编码后的数据ss
					this.updatePreVisitTime(time);
				}
			},

			onChargeRequest: function(orderId, name, currencyAmount, currencyType, paymentType) {
				// 触发订单产生事件
				if (this.preCallApi()) {
					if (!orderId || !currencyType || !paymentType) {
						this.log("订单id、货币类型以及支付方式不能为空");
						return ;
					}

					if (typeof(currencyAmount) == "number") {
						// 金额必须是数字
						var time = new Date().getTime();
						var chargeRequestEvent = {};
						chargeRequestEvent[this.columns.eventName] = this.keys.chargeRequestEvent;
						chargeRequestEvent[this.columns.orderId] = orderId;
						chargeRequestEvent[this.columns.orderName] = name;
						chargeRequestEvent[this.columns.currencyAmount] = currencyAmount;
						chargeRequestEvent[this.columns.currencyType] = currencyType;
						chargeRequestEvent[this.columns.paymentType] = paymentType;
						this.setCommonColumns(chargeRequestEvent); // 设置公用columns
						this.sendDataToServer(this.parseParam(chargeRequestEvent)); // 最终发送编码后的数据ss
						this.updatePreVisitTime(time);
					} else {
						this.log("订单金额必须是数字");
						return ;
					}	
				}
			},
			
			onEventDuration: function(category, action, map, duration) {
				// 触发event事件
				if (this.preCallApi()) {
					if (category && action) {
						var time = new Date().getTime();
						var event = {};
						event[this.columns.eventName] = this.keys.eventDurationEvent;
						event[this.columns.category] = category;
						event[this.columns.action] = action;
						if (map) {
							for (var k in map){
								if (k && map[k]) {
									event[this.columns.kv + k] = map[k];
								}
							}
						}
						if (duration) {
							event[this.columns.duration] = duration;
						}
						this.setCommonColumns(event); // 设置公用columns
						this.sendDataToServer(this.parseParam(event)); // 最终发送编码后的数据ss
						this.updatePreVisitTime(time);
					} else {
						this.log("category和action不能为空");
					}
				}
			},

			/**
			 * 执行对外方法前必须执行的方法
			 */
			preCallApi: function() {
				if (this.isSessionTimeout()) {
					// 如果为true，表示需要新建
					this.startSession();
				} else {
					this.updatePreVisitTime(new Date().getTime());
				}
				return true;
			},

			sendDataToServer: function(data) {
				// 发送数据data到服务器，其中data是一个字符串
				var that = this;
				var i2 = new Image(1,1);
				i2.onerror = function(){
					// 这里可以进行重试操作
				};
				i2.src = this.clientConfig.serverUrl + "?" + data;
			},

			/**
			 * 往data中添加发送到日志收集服务器的公用部分
			 */
			setCommonColumns: function(data) {
				data[this.columns.version] = this.clientConfig.ver;
				data[this.columns.platform] = "website";
				data[this.columns.sdk] = "js";
				data[this.columns.uuid] = this.getUuid(); // 设置用户id
				data[this.columns.memberId] = this.getMemberId(); // 设置会员id
				data[this.columns.sessionId] = this.getSid(); // 设置sid
				data[this.columns.clientTime] = new Date().getTime(); // 设置客户端时间
				data[this.columns.language] = window.navigator.language; // 设置浏览器语言
				data[this.columns.userAgent] = window.navigator.userAgent; // 设置浏览器类型
				data[this.columns.resolution] = screen.width + "*" + screen.height; // 设置浏览器分辨率
			},

			/**
			 * 创建新的会员，并判断是否是第一次访问页面，如果是，进行launch事件的发送。
			 */
			createNewSession: function() {
				var time = new Date().getTime(); // 获取当前操作时间
				// 1. 进行会话更新操作
				var sid = this.generateId(); // 产生一个session id
				this.setSid(sid);
				this.updatePreVisitTime(time); // 更新最近访问时间
				// 2. 进行uuid查看操作
				if (!this.getUuid()) {
					// uuid不存在，先创建uuid，然后保存到cookie，最后触发launch事件
					var uuid = this.generateId(); // 产品uuid
					this.setUuid(uuid);
					this.onLaunch();
				}
			},

			/**
			 * 参数编码返回字符串
			 */
			parseParam: function(data) {
				var params = "";
				for (var e in data) {
					if (e && data[e]) {
						params += encodeURIComponent(e) + "=" + encodeURIComponent(data[e]) + "&";
					}
				}
				if (params) {
					return params.substring(0, params.length - 1);
				} else {
					return params;
				}
			},

			/**
			 * 产生uuid
			 */
			generateId: function() {
				var chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
				var tmpid = [];
				var r;
				tmpid[8] = tmpid[13] = tmpid[18] = tmpid[23] = '-';
				tmpid[14] = '4';

				for (i=0; i<36; i++) {
					if (!tmpid[i]) {
						r = 0| Math.random()*16;
						tmpid[i] = chars[(i==19) ? (r & 0x3) | 0x8 : r];
					}
				}
				return tmpid.join('');
			},

			/**
			 * 判断这个会话是否过期，查看当前时间和最近访问时间间隔时间是否小于this.clientConfig.sessionTimeout<br/>
			 * 如果是小于，返回false;否则返回true。
			 */
			isSessionTimeout: function() {
				var time = new Date().getTime();
				var preTime = CookieUtil.get(this.keys.preVisitTime);
				if (preTime) {
					// 最近访问时间存在,那么进行区间判断
					return time - preTime > this.clientConfig.sessionTimeout * 1000;
				}
				return true;
			},

			/**
			 * 更新最近访问时间
			 */
			updatePreVisitTime: function(time) {
				CookieUtil.setExt(this.keys.preVisitTime, time);
			},

			/**
			 * 打印日志、可以在浏览器查看
			 */
			log: function(msg) {
				console.log(msg);
			},
			
	};

	// 对外暴露的方法名称
	window.__AV__ = {
		startSession: function() {
			tracker.startSession();
		},
		onPageView: function() {
			tracker.onPageView();
		},
		onChargeRequest: function(orderId, name, currencyAmount, currencyType, paymentType) {
			tracker.onChargeRequest(orderId, name, currencyAmount, currencyType, paymentType);
		},
		onEventDuration: function(category, action, map, duration) {
			tracker.onEventDuration(category, action, map, duration);
		},
		setMemberId: function(mid) {
			tracker.setMemberId(mid);
		}
	};

	// 自动加载方法
	var autoLoad = function() {
		// 进行参数设置
		var _aelog_ = _aelog_ || window._aelog_ || [];
		var memberId = null;
		for (i=0;i<_aelog_.length;i++) {
			_aelog_[i][0] === "memberId" && (memberId = _aelog_[i][1]);
		}
		// 根据是给定memberid，设置memberid的值
		memberId && __AV__.setMemberId(memberId);
		// 启动session
		__AV__.startSession();
	};

	autoLoad();
})();



二、页面上使用js代码方法：

<%@ page contentType="text/html; charset=utf-8" pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>测试页面</title>
<script type="text/javascript" src="./js/analytics.js"></script>
</head>
<body>
	测试页面2
	<br/>
	<label>orderid: 1234567</label>
	<label>orderName: 测试订单1234567</label><br/>
	<label>currencyAmount: 524.017</label><br/>
	<label>currencyType: RMB</label><br/>
	<label>paymentType: alipay</label><br/>
	<button onclick="__AV__.onChargeRequest('1234567','测试订单1234567',524.017,'RMB','alipay')">触发chargeRequest事件</button><br/>
	跳转到:
	<a href="demo.jsp">demo</a>
	<a href="demo2.jsp">demo2</a>
	<a href="demo3.jsp">demo3</a>
	<a href="demo4.jsp">demo4</a>
</body>
</html>



三、配置nignx服务器
#user  nobody;
worker_processes  1;

#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;


events {
    worker_connections  1024;
}

# load modules compiled as Dynamic Shared Object (DSO)
#
#dso {
#    load ngx_http_fastcgi_module.so;
#    load ngx_http_rewrite_module.so;
#}

http {
    include       mime.types;
    default_type  application/octet-stream;

    #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
    #                  '$status $body_bytes_sent "$http_referer" '
    #                  '"$http_user_agent" "$http_x_forwarded_for"';
    log_format my_format '$remote_addr^A$msec^A$http_host^A$request_uri'; //这里是收集日志到目录下的格式
    #access_log  logs/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    #keepalive_timeout  0;
    keepalive_timeout  65;

    #gzip  on;

    server {
        listen       80;
        server_name  localhost;

        #charset koi8-r;

        #access_log  logs/host.access.log  main;

        #注意："/log.gif"该文件是在nginx服务器的目录上
        location = /log.gif {
            access_log /opt/flume/flume.log my_format;
            root   html;
        }

        #error_page  404              /404.html;

        # redirect server error pages to the static page /50x.html
        #
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }

        # proxy the PHP scripts to Apache listening on 127.0.0.1:80
        #
        #location ~ \.php$ {
        #    proxy_pass   http://127.0.0.1;
        #}

        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
        #
        #location ~ \.php$ {
        #    root           html;
        #    fastcgi_pass   127.0.0.1:9000;
        #    fastcgi_index  index.php;
        #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;
        #    include        fastcgi_params;
        #}

        # deny access to .htaccess files, if Apache's document root
        # concurs with nginx's one
        #
        #location ~ /\.ht {
        #    deny  all;
        #}
    }


    # another virtual host using mix of IP-, name-, and port-based configuration
    #
    #server {
    #    listen       8000;
    #    listen       somename:8080;
    #    server_name  somename  alias  another.alias;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}


    # HTTPS server
    #
    #server {
    #    listen       443 ssl;
    #    server_name  localhost;

    #    ssl_certificate      cert.pem;
    #    ssl_certificate_key  cert.key;

    #    ssl_session_cache    shared:SSL:1m;
    #    ssl_session_timeout  5m;

    #    ssl_ciphers  HIGH:!aNULL:!MD5;
    #    ssl_prefer_server_ciphers  on;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}

}
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