当前位置: 首页 > 图文教程 > 网络编程 > Javascript > 自动更新作用

Javascript
jQuery中isFunction方法的BUG修复
将函数的实际参数转换成数组的方法
javascript 删除数组中重复项(uniq)
js 巧妙去除数组中的重复项
javascript下一种表单元素获取方法存在的问题
javascript 三种数组复制方法的性能对比
js 多层叠的TAB选项卡
javascript 自动标记来自搜索结果页的关键字
起点页面传值js,有空研究学习下
javascript 的Document属性和方法集合
JavaScript 使用简略语法创建对象的代码
使用JQuery进行跨域请求
jquery 经典动画菜单效果代码
jquery 常用操作方法
js提示信息jtip封装代码,可以是图片或文章
javascript面向对象的方式实现的弹出层效果代码
jquery中的sortable排序之后的保存状态的解决方法
js或css实现滚动广告的几种方案
使用JavaScript库还是自己写代码?
js 右键菜单,支持不同对象不同菜单(兼容IE、Firefox)

Javascript 中的 自动更新作用


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-09-12   浏览: 54 ::
收藏到网摘: n/a

复制代码 代码如下:

function CLASS_AUTOUPDATE(instanceName,win)
{
this.instanceName = instanceName;
this.updating = false;
this.error = false;
this.updateInfo = "";
this.nextVersion = "";
this.ver = "";
this.win = win;
this.updatePath = "";
this.updateFileName = "";
this.softName = "";
this.refresh();
}
CLASS_AUTOUPDATE.prototype.onafterupdate = function()
{
var _window = this.win;
var tempMessageWidth = 360;
var tempMessageHeight = 160;
var tempMessageLeft = (document.body.clientWidth - tempMessageWidth) /2;
var tempMessageTop = (document.body.clientHeight - tempMessageHeight) /2;
var feature = {
title:"更新完毕",
width:tempMessageWidth,
height:tempMessageHeight,
left:tempMessageLeft,
top:tempMessageTop,
borderColor:"#8B89A1",
backgroundColor:"#FFFFFF",
color:"#000000",
titleBackgroundColor:"#8B89A1",
titleColor:"#FFFFFF",
dragable:true
};
var THIS = this;
var tempMessageContent = [];
//tempMessageContent[tempMessageContent.length] = "<div style='font-size:12px;padding:5px'>";
tempMessageContent[tempMessageContent.length] = this.updateInfo;
//tempMessageContent[tempMessageContent.length] = "<br/><br/>";
tempMessageContent[tempMessageContent.length] = "<div align=center><span class='bt'><input type='button' value=' OK ' class='bt' id='bt_update_ok'></span></div>";
tempMessageContent[tempMessageContent.length] = "</div>";
_window.open("updateOk",feature);
_window.write("updateOk",tempMessageContent.join(""),false);
_window.items["updateOk"].all("bt_update_ok").onclick = function()
{
_window.close("updateOk");
}
_window.items["updateOk"].onunload = function()
{
if(THIS.error==false&&THIS.updateFileList.length>0)
{
document.location.reload();
}
}
}
CLASS_AUTOUPDATE.prototype.check = function()
{
var _current_version,_new_version,_exist_new_ver;

//检查配置文件
var configXML = new CLASS_XML("xml\\autoupdate.xml");
if(configXML.error==false)
{
var _update_date,_autoupdate_day,_current_version;
var _save_or_not;
var _d = new Date();
var _dd = _d.getFullYear() + "-" + (_d.getMonth()+1) + "-" + _d.getDate();
//检查是否有更新时间段设置
if(configXML.selectSingleNode("/Config/UpdateDate")==null)
{
configXML.setText("/Config","UpdateDate", _dd);
_update_date = _dd;
_save_or_not = true;
}
else
{
_update_date = configXML.getText("/Config","UpdateDate", "1900-01-01");
}
if(configXML.selectSingleNode("/Config/AutoUpdateDay")==null)
{
configXML.setText("/Config","AutoUpdateDay", "10");
_autoupdate_day = "10";
_save_or_not = true;
}
else
{
_autoupdate_day = configXML.getText("/Config","AutoUpdateDay", "10");
}
_autoupdate_day = _autoupdate_day *1;
if(configXML.selectSingleNode("/Config/CurrentVersion")==null)
{
configXML.setText("/Config","CurrentVersion", "0.32");
_current_version = "0.32";
_save_or_not = true;
}
else
{
_current_version = configXML.getText("/Config","CurrentVersion", "0.32");
}
_current_version = _current_version * 1;

//判断是否今天去连接服务器
var _od = new Date(_update_date.replace(/-/g, "\/"));
if(_d.getTime()-_od.getTime()>_autoupdate_day*24*3600*1000)
{
var newDoc = new CLASS_XML();
newDoc.loadRemoteFile(this.updatePath + this.softName + "/" + this.updateFileName);
if(newDoc.selectSingleNode("/Config/CurrentVersion")==null)
{
newDoc.setText("/Config","CurrentVersion", "0.32");
_new_version = "0.32";
}
else
{
_new_version = newDoc.getText("/Config","CurrentVersion", "0.32");
}
_new_version = _new_version * 1;
//检查是否有新版本
if(_new_version>_current_version)
{
_exist_new_ver = true;
}
configXML.setText("/Config","UpdateDate",_dd);
_save_or_not = true;
}
if(_save_or_not)
{
configXML.save();
}
}
if(_exist_new_ver)
{
var _window = this.win;
var tempMessageWidth = 260;
var tempMessageHeight = 120;
var tempMessageLeft = (document.body.clientWidth - tempMessageWidth) /2;
var tempMessageTop = (document.body.clientHeight - tempMessageHeight) /2;
var feature = {
title:"升级",
width:tempMessageWidth,
height:tempMessageHeight,
left:tempMessageLeft,
top:tempMessageTop,
borderColor:"#8B89A1",
backgroundColor:"#FFFFFF",
color:"#000000",
titleBackgroundColor:"#8B89A1",
titleColor:"#FFFFFF",
dragable:true
};
var THIS = this;
var tempMessageContent = [];
//tempMessageContent[tempMessageContent.length] = "<div style='font-size:12px;padding:5px'>";
tempMessageContent[tempMessageContent.length] = "<table width='100%' height='60' cellPadding='10'><tr><td valign='top'>有新版本,是否更新?<!--insert//--></td></tr></table>";
//tempMessageContent[tempMessageContent.length] = "<br/><br/>";
tempMessageContent[tempMessageContent.length] = "<div align=center><span class='bt'><input type='button' value=' Yes ' class='bt' id='bt_update_yes'></span> <span class='bt'><input type='button' value=' No ' class='bt' id='bt_update_no'></span></div>";
tempMessageContent[tempMessageContent.length] = "</div>";
_window.open("update_or_not",feature);
_window.write("update_or_not",tempMessageContent.join(""),false);
THIS.ver = _current_version;
_window.items["update_or_not"].all("bt_update_yes").onclick = function()
{
THIS.ver = _new_version;
_window.close("update_or_not");
THIS.update();
}
_window.items["update_or_not"].all("bt_update_no").onclick = function()
{
_window.close("update_or_not");
}
_window.items["update_or_not"].onunload = function()
{
}
}

}
CLASS_AUTOUPDATE.prototype.update = function()
{
this.updating = !this.updating;
var t = new Date();
var THIS = this;
if(this.error == false)
{
//得到新配置文档
var newDoc = new CLASS_XML();
newDoc.loadRemoteFile(this.updatePath + this.softName + "/" + this.updateFileName);
this.error = newDoc.error;
if(this.error)
{
THIS.updating = false;
THIS.updateInfo = "<table width='100%' height='100' cellPadding='10'><tr><td valign='top'>连接服务器失败<!--insert//--></td></tr></table>";
}
else
{
var updateFileNodes = newDoc.selectNodes("//SystemFile");
var updateInfoNode = newDoc.selectSingleNode("//UpdateInfo");
var nextVersion = newDoc.selectSingleNode("//nextversion");
if(updateInfoNode != null)
{
THIS.updateInfo = updateInfoNode.childNodes[0].text;
}
if(nextVersion != null)
{
THIS.nextVersion = nextVersion.childNodes[0].text;
}
THIS.updateFileList = [];
for(var i=0;i<updateFileNodes.length;i++)
{
var curUpdateFileName = updateFileNodes[i].getAttribute("name").toLowerCase();
var curUpdateFileVersion = updateFileNodes[i].getAttribute("version").toLowerCase();
var curUpdateFilePath = updateFileNodes[i].getAttribute("path").toLowerCase();
if(THIS.systemFiles[curUpdateFileName] == null || THIS.systemFiles[curUpdateFileName] != curUpdateFileVersion)
{
//本地没有该文件或者版本号不一致
THIS.updateFileList[THIS.updateFileList.length] =
{
name :curUpdateFileName,
version :curUpdateFileVersion,
path :curUpdateFilePath,
type :"text"
};
}
}
newDoc.dispose();

if(THIS.updateFileList.length == 0)
{
THIS.updating = false;
THIS.updateInfo = "<table width='100%' height='100' cellPadding='10'><tr><td valign='top'>没有需要更新的文件<!--insert//--></td></tr></table>";
}
else
{
var configXML = new CLASS_XML("xml\\autoupdate.xml");
//添加更新信息
if(configXML.error==false&&THIS.updateInfo.length>0)
{
var _updateInfo = configXML.createElement("UpdateInfo");
var _cdata = configXML.createCDATASection(THIS.updateInfo);
_updateInfo .appendChild(_cdata);
configXML.root().appendChild(_updateInfo);
//添加下版本预告
var _nextVersion = configXML.selectSingleNode("//nextversion");
if( _nextVersion==null)
{
var __next = configXML.createElement("nextversion");
var __cdata= configXML.createCDATASection(THIS.nextVersion);
__next.appendChild(__cdata);
configXML.root().appendChild(__next);
}
else
{
if(_nextVersion.childNodes.length==0)
{
_nextVersion.appendChild(configXML.createCDATASection(""));
}
_nextVersion.childNodes[0].text = THIS.nextVersion;
}
configXML.setText("/Config","CurrentVersion",THIS.ver);
configXML.save();
}
configXML.dispose();
THIS.updateFile();
}
}
}
else
{
this.updateInfo = "<table width='100%' height='100' cellPadding='10'><tr><td valign='top'>加载配置文件失败!<!--insert//--></td></tr></table>";
}
this.updating = false;
this.onafterupdate();
}
CLASS_AUTOUPDATE.prototype.updateFile = function(curUpdateId)
{
var t = new Date();
var THIS = this;
for(var i= 0;i<this.updateFileList.length;i++)
{
var curUpdateFile = this.updateFileList[i];
if(curUpdateFile.type == "base64")
{
var url = this.updatePath + this.softName + "/base64.aspx?src=" + curUpdateFile.name + "&t=" + t.valueOf();
}
else if(curUpdateFile.type == "text")
{
var url = this.updatePath + this.softName + "/" + curUpdateFile.path + "/" + curUpdateFile.name;
}
//下载文件
var errors = this.downloadFile(url,curUpdateFile.path,curUpdateFile.name);
if(this.error==false)
{
//记录当前版本信息
var configXML = new CLASS_XML("xml\\autoupdate.xml");
if(configXML.error==false)
{
var systemFiles = configXML.selectSingleNode("//SystemFiles");
if(systemFiles == null)
{
systemFiles = configXML.createElement("SystemFiles");
configXML.selectSingleNode("/Config").appendChild(systemFiles);
}
var systemFile = configXML.selectSingleNode("//SystemFiles/SystemFile[@name='" + curUpdateFile.name.toLowerCase() + "']");
if(systemFile == null)
{
systemFile = configXML.createElement("SystemFile");
systemFile.setAttribute("name",curUpdateFile.name.toLowerCase());
systemFile.setAttribute("path",curUpdateFile.path.toLowerCase());
configXML.selectSingleNode("//SystemFiles").appendChild(systemFile);
}
systemFile.setAttribute("version",curUpdateFile.version);
configXML.save();
configXML.dispose();
this.error = false;
this.updateInfo += errors + "\n";
}
else
{
this.updateInfo += "<table width='100%' height='100' cellPadding='10'><tr><td valign='top'>加载配置文件出错!<!--insert//--></td></tr></table>";
}
}
}
}
CLASS_AUTOUPDATE.prototype.downloadFile = function(url,path,filename)
{
try
{
var xmlHTTP = new ActiveXObject("Microsoft.XMLHTTP");
xmlHTTP.open("Get",url,false);
xmlHTTP.send();
if(xmlHTTP.readyState==4&&xmlHTTP.status==200)
{
var adodbStream = new ActiveXObject("ADODB" + "." + "Stream");
//判断目录是否存在,不存在则创建
this.buildPath(path);
var strLocalURL = path.length>0?path + "\\" +filename:filename;
//1=adTypeBinary
adodbStream.Type= 1;
adodbStream.Open();
adodbStream.write(xmlHTTP.responseBody);
adodbStream.SaveToFile(strLocalURL,2);
adodbStream.Close();
adodbStream = null;
xmlHTTP = null;
}
else
{
this.error = true;
return filename + "下载失败";
}
return "";
}
catch(e)
{
this.error = true;
return e.description;
}
}
CLASS_AUTOUPDATE.prototype.refresh = function()
{
var configXML = new CLASS_XML("xml\\autoupdate.xml");
if(configXML.error==false)
{
var _softName = configXML.selectSingleNode ("/Config/SoftName");
var _updatePath = configXML.selectSingleNode ("/Config/UpdatePath");
var _updateFileName = configXML.selectSingleNode ("/Config/UpdateFileName");
this.updatePath = _updatePath !=null?_updatePath.text :"http://dooit.3322.org/";
this.softName = _softName !=null?_softName.text :"cc";
this.updateFileName = _updateFileName!=null?_updateFileName.text:"autoupdate.xml";
this.systemFiles = {};
var tempSystemFileNodes = configXML.selectNodes("/Config/SystemFiles/SystemFile");
for(var i=0;i<tempSystemFileNodes.length;i++)
{
this.systemFiles[tempSystemFileNodes[i].getAttribute("name")] = tempSystemFileNodes[i].getAttribute("version");
}
}
else
{
this.error = true;
}
configXML.dispose();
}
CLASS_AUTOUPDATE.prototype.buildPath = function(path)
{
var _baseUrl = unescape(document.location.href.substring(document.location.href.lastIndexOf("/")+1,-1)).replace(/^file\:\/\/\//i,"").replace(/\//g,"\\");
var _path = path.replace(/^\s*|\s*$/g,"");
var _fullPath = "";
//得到全路径
if(/^\w\:\\/.test(_path) == false){
_fullPath = _baseUrl + _path;
}else{
_fullPath = _path;
}
var p = _fullPath.split(/\\|\//g);
var fso = new ActiveXObject("Scripting.FileSystemObject");
var t = "";
for(var i=0;i<p.length;i++){
t += p[i] + "\\";
try
{
if(!fso.FolderExists(t))
{
fso.CreateFolder(t);
}
}
catch(e)
{
return false;
}
}
return true;
}