javascript实现的网站访问量统计代码

网站一般都有访问量统计工具，比较高效实用的工具多种多样，并且非常的精确。实用javascript也可以简单的实现此功能，尽管没有网络上常用的精确，不过的确也实现了一定的功能，下面就是一段代码实例，感兴趣的朋友可以参考一下:

废话不多说了，直接给大家贴js代码了。

下面在给大家分享一段代码实例-JS 精确统计网站访问量程序

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/** 
 * vlstat 浏览器统计脚本 
 */
var statIdName = "vlstatId"; 
var xmlHttp; 
/** 
 * 设置cookieId 
 */
function setCookie(c_name, value, expiredays) { 
  var exdate = new Date(); 
  exdate.setDate(exdate.getDate() + expiredays); 
  document.cookie = c_name + "=" + escape(value) + ((expiredays == null) ? "" : ";expires=" + exdate.toGMTString()) + ";path=/;domain=cecb2b.com"; 
} 
/** 
 * 获取cookieId 
 */
function getCookie(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 ""; 
} 
/** 
 * 获取当前时间戳 
 */
function getTimestamp() { 
  var timestamp = Date.parse(new Date()); 
  return timestamp; 
} 
/** 
 * 生成statId 
 */
function genStatId() { 
  var cookieId = getTimestamp(); 
  cookieId = "vlstat" + "-" + cookieId + "-" + Math.round(Math.random() * 3000000000); 
  return cookieId; 
} 
/** 
 * 设置StatId 
 */
function setStatId() { 
  var cookieId = genStatId(); 
  setCookie(statIdName, cookieId, 365); 
} 
/** 
 * 获取StatId 
 */
function getStatId() { 
  var statId = getCookie(statIdName); 
  if (statId != null && statId.length > 0) { 
    return statId; 
  } else { 
    setStatId(); 
    return getStatId(); 
  } 
} 
/** 
 * 获取UA 
 */
function getUA() { 
  var ua = navigator.userAgent; 
  if (ua.length > 250) { 
    ua = ua.substring(0, 250); 
  } 
  return ua; 
} 
/** 
 * 获取浏览器类型 
 */
function getBrower() { 
  var ua = getUA(); 
  if (ua.indexOf("Maxthon") != -1) { 
    return "Maxthon"; 
  } else if (ua.indexOf("MSIE") != -1) { 
    return "MSIE"; 
  } else if (ua.indexOf("Firefox") != -1) { 
    return "Firefox"; 
  } else if (ua.indexOf("Chrome") != -1) { 
    return "Chrome"; 
  } else if (ua.indexOf("Opera") != -1) { 
    return "Opera"; 
  } else if (ua.indexOf("Safari") != -1) { 
    return "Safari"; 
  } else { 
    return "ot"; 
  } 
} 
/** 
 * 获取浏览器语言 
 */
function getBrowerLanguage() { 
  var.browserLanguage; 
  return lang != null && lang.length > 0 ? lang : ""; 
} 
/** 
 * 获取操作系统 
 */
function getPlatform() { 
  return navigator.platform; 
} 
/** 
 * 获取页面title 
 */
function getPageTitle() { 
  return document.title; 
} 
/** 
 * 创建一个form 
 * 
 * @return 
 */
function createSubmitForm() { 
  var frm = document.createElement("form"); 
  document.body.appendChild(frm); 
  frm.method = "POST"; 
  return frm; 
} 
/** 
 * 为form创建一个元素 
 * 
 * @param inputForm 
 * @param elementName 
 * @param elementValue 
 * @return 
 */
function createFormElement(frmInput, elementName, elementValue) { 
  var element = document.createElement("input"); 
  element.setAttribute("id", elementName); 
  element.setAttribute("name", elementName); 
  element.setAttribute("type", "hidden"); 
  element.setAttribute("value", elementValue); 
  frmInput.appendChild(element); 
  return element; 
} 
/** 
 * 构造XMLHttpRequest对象 
 * 
 * @return 
 */
function createXMLHttpRequest() {  
  if (window.ActiveXObject) {  
    xmlHttp = new ActiveXObject('Microsoft.XMLHTTP');  
  } else if (window.XMLHttpRequest) {  
    xmlHttp = new XMLHttpRequest();  
  }  
} 
/** 
 * url指定跳转页,data是要post的数据。func类似于函数指针 
 * 
 * @param url 
 * @param data 
 * @param func 
 * @return 
 */
function AjaxPost(url, data, func) { 
  var httpRequest = createHttpRequest(); 
  if (httpRequest) { 
    httpRequest.open("POST", url, true); 
    httpRequest.setRequestHeader("content-length", data.length); 
    httpRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); 
    httpRequest.send(data); 
    httpRequest.onreadystatechange = function() { 
      if (httpRequest.readyState == 4) { 
        try { 
          if (httpRequest.status == 200) { 
            if (func) { 
              // 这里可以调用想要的函数 
              func(httpRequest.responseText); 
            } 
          } 
        } catch (e) { 
          alert("Error XMLHttpRequest!"); 
        } 
      } 
    } 
  } else { 
    alert("Error initializing XMLHttpRequest!"); 
  } 
} 
function vlstatInitLE(vlch, vlch1, vlch2, vlch3) { 
  var p; 
  var vlstatCH = vlch != null && vlch.length > 0 ? vlch : ""; 
  var vlstatCH1 = vlch1 != null && vlch1.length > 0 ? vlch1 : ""; 
  var vlstatCH2 = vlch2 != null && vlch2.length > 0 ? vlch2 : ""; 
  var vlstatCH3 = vlch3 != null && vlch3.length > 0 ? vlch3 : ""; 
  var vlstatCookieId = getStatId(); 
  var vlstatUA = encodeURIComponent(getUA()); 
  var vlstatIPAddress = document.localName; 
  var vlstatREFURL = encodeURIComponent(document.referrer); 
  var vlstatURL = encodeURIComponent(document.URL); 
  var vlstatScreenX = screen.width; 
  var vlstatScreenY = screen.height; 
  var vlstatOS = getPlatform(); 
  var vlstatBrower = getBrower(); 
  var vlstatBrowerLanguage = getBrowerLanguage(); 
  var vlstatPageTitle = encodeURIComponent(getPageTitle()); 
  var vlstatAction = "index.php"; 
  p = "cookieId=" + vlstatCookieId + "&ua=" + vlstatUA + "&ip=" + vlstatIPAddress + "&refurl="
      + vlstatREFURL + "&url=" + vlstatURL + "&screenX=" + vlstatScreenX + "&screenY=" + vlstatScreenY 
      + "&os=" + vlstatOS + "&brower=" + vlstatBrower + "&browerLang=" + vlstatBrowerLanguage 
      + "&title=" + vlstatPageTitle + "&ch=" + vlstatCH + "&ch1=" + vlstatCH1 + "&ch2=" + vlstatCH2 
      + "&ch3=" + vlstatCH3; 
  var urlGo = vlstatAction + "?" + p; 
  createXMLHttpRequest(); 
  xmlHttp.open('GET', urlGo); 
  xmlHttp.send(null); 
}

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