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

Javascript
javascript:以前写的xmlhttp池,代码
javascript firefox兼容ie的dom方法脚本
常用的javascript function代码
javascript Discuz代码中的msn聊天小功能
js 简单类代码
分离式javascript取当前element值的代码
javascript document.images实例
javascript 调用其他页面的js函数或变量的脚本
javascript一点特殊用法
js中cookie的使用详细分析
javascript实现通过拼音首字母快速选择下拉列表
javascript解析xml字符串的函数
用javascript和css模拟select的脚本
javascript操作select参考代码
javascript String 的扩展方法集合
javascript数组的扩展实现代码集合
宝儿的zQuery库选择器简单原型
超级经典一套鼠标控制左右滚动图片带自动翻滚
javascript关键字加亮加连接
JavaScript 应用类库代码

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: 257 ::
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;
}