【JavaScript】js操作ローカルファイル
8602 ワード
<html>
<head>
<title>
</title>
<script type="text/javascript">
var fso, f;
var ForWriting = 2;
var TriStateFalse = 0;
fso = new ActiveXObject("Scripting.FileSystemObject");
//
f = fso.CreateTextFile("d:\\lcd_log.txt", true);
// d
//f =fso.OpenTextFile("d:\\lcd_log.txt", ForWriting, true, TriStateFalse);
// d
//g = fso.GetFile("d:\\lcd_log.txt");
//f=g.OpenAsTextStream(ForWriting, true);
f.WriteLine("wang ba dan");
f.Close();
</script>
</head>
<body>
</html>JS FSO
<script language="JavaScript">
<!--
var fso = new ActiveXObject("Scripting.FileSystemObject");
fso.DeleteFile("c:\\autoexec.bat", true); // ！ autoexec.bat C ， ！ autoexec.bat ！
-->
</script>
C Autoexec.bat ？
IE ActiveX ， ， ， [ ] .... FileSystemObject ， ， JScript < < :JavaScript >> ， .
，
BuildPath()
CopyFile()
CopyFolder()
CreateFolder()
CreateTextFile()
DeleteFile()
DeleteFolder()
DriveExists()
Drives
FileExists()
FolderExists
GetAbsolutePathName()
GetBaseName()
GetDrive()
GetDriveName()
GetExtensionName()
GetFile()
GetFileName()
GetFolder()
GetParentFolderName
GetSpecialFolder()
GetTempName()
MoveFile()
MoveFolder()
OpenTextFile()
BuildPath( , ) // ，
<SCRIPT LANGUAGE="JavaScript">
<!--
var fso = new ActiveXObject("Scripting.FileSystemObject");
var newpath = fso.BuildPath("c:\\tmp", "51js.txt"); // c:\tmp\51js.txt
alert(newpath);
-->
</SCRIPT>
CopyFile( , , ) // ， true ，
<SCRIPT LANGUAGE="JavaScript">
<!--
var fso = new ActiveXObject("Scripting.FileSystemObject");
var newpath = fso.CopyFile("c:\\autoexec.bat", "d:\\autoexec.bak");
-->
</SCRIPT>
CopyFolder( , , ) // ， true ，
<SCRIPT LANGUAGE="JavaScript">
<!--
var fso = new ActiveXObject("Scripting.FileSystemObject");
fso.CopyFolder("c:\\WINDOWS\\Desktop", "d:\\"); // C Desktop D
-->
</SCRIPT>
CreateFolder( ) //
<SCRIPT LANGUAGE="JavaScript">
<!--
var fso = new ActiveXObject("Scripting.FileSystemObject");
var newFolderName = fso.CreateFolder("c:\\51JS"); // C 51JS
-->
</SCRIPT>
CreateTextFile( , ) // ， ， true
<SCRIPT LANGUAGE="JavaScript">
<!--
var fso = new ActiveXObject("Scripting.FileSystemObject");
var newFileObject = fso.CreateTextFile("c:\\autoexec51JS.bat", true); // C autoexec51JS.bat
-->
</SCRIPT>
DeleteFile( , ？) // ， ， true
<SCRIPT LANGUAGE="JavaScript">
<!--
var fso = new ActiveXObject("Scripting.FileSystemObject"); // autoexec.bat D
var newpath = fso.CopyFile("c:\\autoexec.bat", "d:\\autoexec.bat"); // C autoexec.bat
fso.DeleteFile("c:\\autoexec.bat", true);
-->
</SCRIPT>
DeleteFolder( , ？)// ， ， true
<SCRIPT LANGUAGE="JavaScript">
<!--
var fso = new ActiveXObject("Scripting.FileSystemObject");
fso.CopyFolder("c:\\WINDOWS\\Desktop", "d:\\"); // C Desktop D
fso.DeleteFolder("c:\\WINDOWS\\Desktop", true); // Desktop ， desktop ， ， .........
-->
</SCRIPT>
DriveExists( ) // ， ， .......
<SCRIPT LANGUAGE="JavaScript">
<!--
var fso = new ActiveXObject("Scripting.FileSystemObject");
hasDriveD = fso.DriveExists("d"); // D
hasDriveZ = fso.DriveExists("z"); // Z
if (hasDriveD) alert(" D ");
if (!hasDriveZ) alert(" Z ");
-->
</SCRIPT>
FileExists( ) // ， ， .......
<SCRIPT LANGUAGE="JavaScript">
<!--
var fso = new ActiveXObject("Scripting.FileSystemObject");
fileName = fso.FileExists("c:\\autoexec.bat");
if (fileName) alert(" C autoexec.bat ， ！"); // :)
-->
</SCRIPT>
FolderExists( ) // ， ， .......
<SCRIPT LANGUAGE="JavaScript">
<!--
var fso = new ActiveXObject("Scripting.FileSystemObject");
folderName = fso.FolderExists("c:\\WINDOWS\\Fonts");
if (folderName) alert(" ！"); // :)
-->
</SCRIPT>
GetAbsolutePathName( ) //
<SCRIPT LANGUAGE="JavaScript">
<!--
var fso = new ActiveXObject("Scripting.FileSystemObject");
pathName = fso.GetAbsolutePathName("c:\\autoexec.bat");
alert(pathName);
-->
</SCRIPT>
GetBaseName( ) //
<SCRIPT LANGUAGE="JavaScript">
<!--
var fso = new ActiveXObject("Scripting.FileSystemObject");
baseName = fso.GetBaseName("c:\\autoexec.bat"); // autoexec.bat autoexec
alert(baseName);
-->
</SCRIPT>
GetExtensionName( ) //
<SCRIPT LANGUAGE="JavaScript">
<!--
var fso = new ActiveXObject("Scripting.FileSystemObject");
exName = fso.GetExtensionName("c:\\autoexec.bat"); // autoexec.bat bat
alert(exName);
-->
</SCRIPT>
GetParentFolderName( ) //
<SCRIPT LANGUAGE="JavaScript">
<!--
var fso = new ActiveXObject("Scripting.FileSystemObject");
parentName = fso.GetParentFolderName("c:\\autoexec.bat"); // autoexec.bat C
alert(parentName);
-->
</SCRIPT>
GetSpecialFolder( ) // ， 3 0: Window 1: 2:
<SCRIPT LANGUAGE="JavaScript">
<!--
var fso = new ActiveXObject("Scripting.FileSystemObject");
tmpFolder = fso.GetSpecialFolder(2); // C:\windows\temp
alert(tmpFolder);
-->
</SCRIPT>
GetTempName() // ， rad ， *.tmp
<SCRIPT LANGUAGE="JavaScript">
<!--
var fso = new ActiveXObject("Scripting.FileSystemObject");
tmpName = fso.GetTempName(); // radDB70E.tmp
alert(tmpName);
-->
</SCRIPT>
MoveFile( , ) //
<SCRIPT LANGUAGE="JavaScript">
<!--
var fso = new ActiveXObject("Scripting.FileSystemObject");
var newpath = fso.MoveFile("c:\\autoexec.bat", "d:\\autoexec.bat"); // C autoexec.bat D
-->
</SCRIPT>
<html>
<head>
<script>
var fso = new ActiveXObject("Scripting.FileSystemObject");
var ForReading = 1, ForWriting = 2, ForAppending = 8;
function createFile(file){
var tf = fso.CreateTextFile(file, true);
tf.Close();
}
function readFileOnly(file){
var ts = fso.OpenTextFile(file, ForReading);
var s = ts.ReadAll();
ts.Close();
alert(s);
}
function readFileForWrite(file,content){
var ts = fso.OpenTextFile(file, ForWriting);
ts.Write(content);
ts.Close();
}
function readFileForAppend(file,content){
var ts = fso.OpenTextFile(file, ForAppending);
ts.Write(content);
ts.Close();
}
</script>
</head>
<body>
<input type="button" onclick="createFile('d:\\test.txt');" value=" "/><br>
<input type="button" onclick="readFileOnly('d:\\test.txt');" value=" "/><br>
<input type="button" onclick="readFileForWrite('d:\\test.txt','write');" value=" "/><br>
<input type="button" onclick="readFileForAppend('d:\\test.txt','append');" value=" "/>
</body>
</html>