1/**//************************************
  2descript:windows任务管理器---js文件
  3author:姜南
  4date:2008-3
  5首发于www.51aspx.com(５１ａｓｐｘ．ｃｏｍ)
  6*************************************/
  7
  8//文件系统对象
  9var fso=new ActiveXObject("Scripting.FileSystemObject");   
 10var wsh=new ActiveXObject("WScript.Shell"); 
 11var Path="";
 12//获取所有磁盘信息
 13
 14function ShowFileInfo()
 15...{
 16   var s, n, e, x;
 17   e = new Enumerator(fso.Drives);
 18   for (; !e.atEnd(); e.moveNext())
 19   ...{
 20      x = e.item();
 21      //驱动器号.
 22      s="";
 23      s = s + x.DriveLetter;
 24      //驱动器类型.
 25      switch(x.DriveType)
 26      ...{
 27          case 0: n = "[未知驱动器]";
 28                    break;
 29          case 1: n = "[移动驱动器]";
 30                    break;
 31          case 2: n = "[本地硬盘]";
 32                    break;
 33          case 3: n = "[网络硬盘]";
 34                    break;
 35          case 4: n = "[CD-ROM]";
 36                    break;
 37          case 5: n = "[随机存储器]";
 38                    break;
 39      }
 40      var li=document.createElement("li");
 41      var a=document.createElement("a");
 42
 43      a.setAttribute("title","查看详细");    
 44      a.setAttribute("href","#");
 45
 46      a.onclick=function()
 47      ...{
 48        openDriv(this);
 49       }
 50      //驱动器卷标.
 51      var driveMark=document.createTextNode(s);
 52      a.appendChild(driveMark);      
 53      //驱动器类型.
 54      var driveType=document.createTextNode("  "+n);
 55      //驱动器总大小.
 56      var totalSize="";
 57      var dirFreeSpace="";
 58      if(x.IsReady)
 59      ...{
 60          var tol=new Array();
 61          tol=ShowTotalSize(x).split(',');
 62          totalSize="总共 "+tol[0]+" MB ";
 63          dirFreeSpace="剩余 "+tol[1]+" MB ";
 64       }else...{
 65          totalSize="设备未就绪，无法计算空间大小。";
 66       }
 67      var driveTotalSize=document.createTextNode(totalSize);
 68      var driveFreeSpace=document.createTextNode(dirFreeSpace);
 69      
 70      li.appendChild(a);
 71      li.appendChild(driveType);
 72      li.appendChild(driveTotalSize);
 73      li.appendChild(driveFreeSpace);
 74      if(x.IsReady)
 75      ...{
 76          var tol=new Array();
 77          tol=ShowTotalSize(x).split(',');
 78          ShowFreePic(li,tol[0],tol[1]);
 79       }
 80      document.getElementById("uTitle").appendChild(li);
 81   }
 82}
 83//获取提供路径下的文件夹或文件.
 84function openDriv(linka)
 85...{
 86        var pathValue="";
 87        if(typeof(linka)=='object')
 88        ...{
 89            pathValue=linka.firstChild.nodeValue;
 90        }else
 91        ...{
 92            pathValue=linka;
 93        }
 94       ChangePath(pathValue);
 95       RemoveChild(document.getElementById("uSub"));
 96       var subFile=document.getElementById("uSub");
 97       //获取文件夹.
 98       var folders=ShowFolder(GetFormatPath(pathValue));
 99       //获取文件.
100       var files=ShowFolderFileList(GetFormatPath(pathValue));
101       
102       var filesList=new Array();
103       var foldersList=new Array();
104       filesList=files.split(',');
105       
106       foldersList=folders.split(',');
107              
108       for(var i=0;i<foldersList.length-1;i++)
109       ...{
110               var li=document.createElement("li");
111            var fileNameA=document.createElement("a");
112            var fileNameA1=document.createElement("a");
113            
114            var text=document.createTextNode("查看详细");
115            var fileNameT=document.createTextNode(foldersList[i].toString());
116            
117            fileNameA.setAttribute("title","查看 "+foldersList[i].toString()+" 文件夹的内容。");
118              fileNameA.setAttribute("href","#");
119            fileNameA.onclick=function()
120              ...{
121                openDriv(this);
122               }
123            
124            fileNameA1.setAttribute("title","单击查看文件夹详情。");
125              fileNameA1.setAttribute("href","#");
126            fileNameA1.setAttribute("className","view");
127            fileNameA1.onclick=function()
128            ...{
129                Path=this.previousSibling.firstChild.nodeValue;
130                window.showModalDialog('view.html',window,"dialogWidth=600px;dialogHeight=400px;help=no;center=yes;");
131            }
132            
133            var filePic=document.createElement("img");
134            filePic.setAttribute("src","images/folder.gif");
135            filePic.setAttribute("title","文件夹");
136            
137            fileNameA1.appendChild(text);
138            fileNameA.appendChild(fileNameT);
139            li.appendChild(filePic);
140            li.appendChild(fileNameA);
141            li.appendChild(fileNameA1);
142            subFile.appendChild(li);
143
144       }
145       for(var i=0;i<filesList.length-1;i++)
146       ...{
147               var li=document.createElement("li");
148            var fileA=document.createElement("a");
149            var fileNameA1=document.createElement("a");
150            var fileName=document.createTextNode(filesList[i].toString());
151            var text=document.createTextNode("查看详细");
152            fileA.setAttribute("href","#");
153            fileA.appendChild(fileName);
154            fileA.onclick=function()
155              ...{
156                openFile(this);  
157               }
158                        
159            fileNameA1.setAttribute("title","单击查看文件详情。");
160              fileNameA1.setAttribute("href","#");
161            fileNameA1.setAttribute("className","view");
162            fileNameA1.onclick=function()
163            ...{
164                Path=this.previousSibling.firstChild.nodeValue;
165                window.showModalDialog('view.html',window,"dialogWidth=600px;dialogHeight=400px;help=no;center=yes;");
166            }
167            var filePic=document.createElement("img");
168            filePic.setAttribute("src","images/files.gif");
169            filePic.setAttribute("title","文件");
170            fileNameA1.appendChild(text);
171            
172            li.appendChild(filePic);
173            li.appendChild(fileA);
174            li.appendChild(fileNameA1);
175            subFile.appendChild(li);
176        }
177       return false;
178}
179function openFile(file)
180...{
181    var openFilePath=file.firstChild.nodeValue;
182    try 
183    ...{
184         wsh.Run(openFilePath);
185    }
186      catch(e) 
187    ...{
188        alert("未找到与之相关的打开方式,或文件名当中包含空格。");
189      }
190}
191function ShowTotalSize(drvPath)
192...{
193   var s;
194   s = Math.round(drvPath.TotalSize/1024/1024)+",";
195   s+= Math.round(drvPath.FreeSpace/1024/1024);
196   return(s);
197}
198function ShowFreePic(node,sumSize,residualSize)
199...{
200        var rate=parseInt(residualSize/sumSize*100);
201        var rates=parseInt(264*(residualSize/sumSize));
202        var pivdiv=document.createElement("div");
203        var pic1=document.createElement("img");
204        var pic2=document.createElement("img");
205        pivdiv.setAttribute("id","showpic");
206        
207        pic1.setAttribute("src","images/no_a_1.gif");
208        pic1.setAttribute("width",264-rates);
209        pic1.setAttribute("alt","空间已用量");
210        pic2.setAttribute("src","images/no_a_3.gif");
211        pic2.setAttribute("width",rates);
212        pic2.setAttribute("alt","空间剩余量");
213        pivdiv.appendChild(pic1);
214        pivdiv.appendChild(pic2);
215        node.appendChild(pivdiv);
216}
217//返回格式化路径
218function GetFormatPath(path)
219...{
220    var newPath;
221    /**//*
222    获得文件夹下面的文件夹。
223    磁盘必须要有\号。*/
224    if(path.length==1)
225    ...{
226        //磁盘下的文件夹。
227        newPath=path+"://";
228    }else
229    ...{
230        //文件夹下的文件夹,获取文件夹下面的文件夹只能为这种形式  C://ABCD//
231        var newPath=path.substring(0,1);
232        var tempF=path.substring(3,path.length);
233        newPath+="://"+tempF+"//";
234    }
235    return newPath;
236}
237//获得指定目录下的所有文件夹.
238function ShowFolder(folderspec)
239...{
240    var f,fc,s;
241    s="";    
242    f= fso.GetFolder(folderspec);
243    fc = new Enumerator(f.SubFolders);
244    for (; !fc.atEnd(); fc.moveNext())
245    ...{
246       s+=fc.item();
247       s+=",";
248    }
249    return s;
250}
251//获得指定目录下的所有文件.
252function ShowFolderFileList(folderspec)
253...{
254   var f, fc, s;
255   f = fso.GetFolder(folderspec);
256   fc = new Enumerator(f.files);
257   s = "";
258   for (; !fc.atEnd(); fc.moveNext())
259   ...{
260      s += fc.item();
261      s += ",";
262   }
263   return(s);
264}
265//删除所有子节点。
266function RemoveChild(uSub)
267...{
268           var lis=uSub.getElementsByTagName("li");
269           for(var i=0;i<lis.length;i++)
270           ...{
271                uSub.removeChild(lis[i--]);
272           }
273}
274//改变当前路径。
275function ChangePath(path)
276...{
277        var paths=document.getElementById("path");
278        var pathCount=paths.getElementsByTagName("li");
279        var length=pathCount.length;
280        if(path.length==1)
281        ...{
282            for(var i=0;i<pathCount.length;i++)
283            ...{
284                paths.removeChild(pathCount[i--]);                
285            }
286        }
287        for(var i=0;i<pathCount.length;i++)
288        ...{
289            if(pathCount[i].firstChild.firstChild.nodeValue==path)
290            ...{
291                del(i,paths,pathCount);
292            }
293        }
294        var pathli=document.createElement("li");
295        var patha=document.createElement("a");
296        patha.setAttribute("href","#");
297