Web Tracking

采集方式_数据采集_用户指南_日志服务-阿里云 https://help.aliyun.com/document_detail/28981.html

http://docs-aliyun.cn-hangzhou.oss.aliyun-inc.com/assets/attach/31752/cn_zh/1462870126706/loghub-tracking.js?spm=a2c4g.11186623.2.15.6cc3420bKTvBvV&file=loghub-tracking.js

(function(window, document){
    function createHttpRequest()
    {
        if(window.ActiveXObject){
            return new ActiveXObject("Microsoft.XMLHTTP");
        }
        else if(window.XMLHttpRequest){
            return new XMLHttpRequest();
        }
    }
    function AliLogTracker(host,project,logstore)
    {
        this.uri_ = 'http://' + project + '.' + host + '/logstores/' + logstore + '/track?APIVersion=0.6.0';
        this.params_=new Array();
        this.httpRequest_ = createHttpRequest();
    }
    AliLogTracker.prototype = {
        push: function(key,value) {
            if(!key || !value) {
                return;
            }
            this.params_.push(key);
            this.params_.push(value);
        },
        logger: function()
        {
            var url = this.uri_;
            var k = 0;
            while(this.params_.length > 0)
            {
                if(k % 2 == 0)
                {
                    url += '&' + encodeURIComponent(this.params_.shift());
                }
                else
                {
                    url += '=' + encodeURIComponent(this.params_.shift());
                }
                ++k;
            }
            try
            {
                this.httpRequest_.open("GET",url,true);
                this.httpRequest_.send(null);
            }
            catch (ex)
            {
                if (window && window.console && typeof window.console.log === 'function')
                {
                    console.log("Failed to log to ali log service because of this exception:\n" + ex);
                    console.log("Failed log data:", url);
                }
            }

        }
    };
    window.Tracker = AliLogTracker;
})(window, document);