Java应用：JavaScript写Log类的具体实现

1 LogClass.prototype = {
 2         
 3         initialize : function(){
 4             
 5             try{
 6                 
 7                 this._fso = "";  //File 操作对象
 8 
 9                 this._folderspec = "";  // 类 fileclass 处理路径
10 
11                 this._fso = new ActiveXObject("Scripting.FileSystemObject");
                   // 建立 ActiveXObject 对象
12                 
13                 this._objDate = new Date();
14 
15                 this._DateString =  this._objDate.format("yyMMdd");
16 
17                 this._DateString = "c:\\" + this._DateString + ".log" ;
18 
19                 this._folderspec = this._DateString;
20                 
21 
22             }catch(e){
23                 
24                 alert("file Class initialize Error  : "+ e.number +" "+ e.description);
25 
26             }
27 
28         },
29         TRACE : function(Content){
30             
31             try{
32 
33                 this.OpenTextFile(8,true);
34 
35                 _objDate = new Date();
36                 
37                 _dateString = _objDate.format("yyyy-MM-dd hh:mm:ss");
38 
39                 this._otf.WriteLine(_dateString+"||"+Content);
40 
41                 this._otf.close();
42 
43             }catch(e){
44 
45                 this._otf.Close();
46                 
47                 alert("file Class TRACE Error  : "+ e.number +" "+ e.description);
48             
49             }
50         
51         },
52         OpenTextFile : function(IOmode,format){
53 
54             try{
55                 
56                 this._otf = this._fso.OpenTextFile(this._folderspec,IOmode,true,format);
57 
58             }catch(e){
59 
60                 this._otf.Close();
61 
62                 alert("file Class OpenTextFile Error  : "+ e.number +" "+ e.description);
63 
64             }
65         
66         }
67 
68 }; 内容来自dedecms