JS实现点击事件统计的简单实例

var _clickq = _clickq || [];_clickq.push(['param1', 'value1']);var _clickc = {selector:'_click_rps'};(function() { var click = document.createElement("script"); click.src = "//cache.skye.com/js/lib/stat/click.js"; var s = document.getElementsByTagName("script")[0];  s.parentNode.insertBefore(click, s);})();

(function () {  // 默认参数  var options = {    selector: '_click_rp',    prefix: '_rp_',    cookie: '_click_rp',    domain: '.skye.com',    delay: false,    delay_attr: '_delay'  };  var params = {};  var _params = {};  var clickObj = null; // 当前点击对象  // 获得对象  var getObject = function(selector) {    if (typeof(selector) == 'object') {      return selector;    } else {      var obj = $('#'+selector);      if (obj.length) {        return obj;      }      obj = $('.'+selector);      if (obj.length) {        return obj;      }      return null;    }  }  // 获得选择器  var getSelector = function(selector) {    return '#' + selector + ',.' + selector;  }  // 操作cookie函数  var getCookie = function(c_name) {    if (document.cookie.length>0) {      c_start = document.cookie.indexOf(c_name + "=")      if (c_start!=-1) {         c_start=c_start + c_name.length+1         c_end=document.cookie.indexOf(";",c_start)        if (c_end==-1) c_end=document.cookie.length        return unescape(document.cookie.substring(c_start,c_end))      }    }    return "";  }  var setCookie = function(c_name,value,expiredays,path,domain) {    var exdate = new Date()    exdate.setDate(exdate.getDate()+expiredays)    var cookie = c_name+ "=" +escape(value)+((expiredays==null) ? "" : ";expires="+exdate.toGMTString());    if (path) cookie = cookie + ";path=" + path;    if (domain) cookie = cookie + ";domain=" + domain;    document.cookie = cookie;  }  // 获得标签中的参数  var getAttrParam = function() {    if ( clickObj ) {      var attrs = clickObj.get(0).attributes;      $.each(attrs, function(i) {        var name = attrs[i].name;        if ( name.indexOf(options.prefix) == 0 ) {          name = name.replace(options.prefix, '');          var value = attrs[i].value;          if ( value.indexOf('javascript:') == 0 ) {            // 执行js获得参数值            value = value.replace('javascript:', '');            eval('var valFun = function() {'+ value +'};');            value = valFun();          }          params[name] = value;        }      });    }  }  // 获得默认参数  var getDefaultParam = function() {    if(document) {      params.url = document.URL || '';      params.referrer = document.referrer || '';    }    // 时间    var date = new Date();    params.ltime = date.getTime() / 1000;    // 时间戳    params.t = date.getTime();  }  var getParamStr = function() {    getAttrParam();    getDefaultParam();    // 合并配置参数    for(var key in _params) {      params[key] = _params[key];    }    //拼接参数串    var args = '';     for(var i in params) {      if(args != '') {        args += '&';      }        args += i + '=' + encodeURIComponent(params[i]);    }    return args;  }  // 清空参数  var clearParam = function() {    params = {};  }  // 是否立即上报，如果跳转页面，则计入延时上报  var getIsDelay = function() {    if ( clickObj ) {      // 有具体指定      if ( clickObj.attr(options.delay_attr) == 'true' ) {        return true;      }      // 特定标签      // a标签      if ( clickObj.is('a') ) {        if ( clickObj.attr('href').indexOf('javascript:') == 0 ) {          return false;        }        if ( clickObj.attr('target') && clickObj.attr('target') != '_self' ) {          return false;        }        return true;      }      // submit按钮      if ( (clickObj.is('input') || clickObj.is('button')) && clickObj.attr('type') == 'submit' ) {        return true;      }    }    return options.delay;  }    // 加入cookie，下次上报  var setDelayCookie = function() {    // 获得参数    var args = getParamStr();    var cookieStr = getCookie(options.cookie);    if ( cookieStr == '' ) {      cookieStr = args;    } else {      cookieStr = cookieStr + ',' + args;    }    setCookie(options.cookie, cookieStr, 7, '/', options.domain);    clearParam();  }  // 上报cookie  var rpCookie = function() {    // 获得cookie，循环操作    var cookieStr = getCookie(options.cookie);    if ( cookieStr ) {      var cookieArr = cookieStr.split(',');      for(var key in cookieArr){         rpClick(cookieArr[key]);      }       setCookie(options.cookie, '', 7, '/', options.domain);    }  }  // 上报  var rpClick = function(args) {    if ( args == undefined ) {      args = getParamStr();    }    var img = new Image(1, 1);    img.src = 'http://data.skye.com/stat/click?' + args;    console.info(img.src);    clearParam();  }  // js上报函数  var rpComm = function(obj) {    console.info('click');    clickObj = obj;    if ( getIsDelay() ) {      setDelayCookie();    } else {      rpClick();    }  }  //解析外部配置  if(_clickc) {    for(var i in _clickc) {      options[i] = _clickc[i];    }    }    //解析外部参数  if(_clickq) {    for(var i in _clickq) {      _params[_clickq[i][0]] = _clickq[i][1];    }  }  // 提供外部js函数  $.rpComm = function(obj) {    rpComm(obj);  }  $.fn.rpComm = function() {    rpComm($(this));  }  // cookie中的上报  rpCookie();  // 初始化信息  var _time = new Date().valueOf();  var selector = getSelector(options.selector);  $('body').delegate(selector,'click',function() {    // 连续点击限制    if(new Date().valueOf() - _time < 300) {      return;    }    _time = new Date().valueOf();    rpComm($(this));  });})();