js读写txt文件 - 爱码网

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<script language="javascript" type="text/javascript">

//读文件
function readFile(filename){
var fso = new ActiveXObject("Scripting.FileSystemObject");
var f = fso.OpenTextFile(filename,1);
var s = "";
while (!f.AtEndOfStream)
s += f.ReadLine()+"\n";
f.Close();
return s;
}

//写文件
function writeFile(filename,filecontent){
var fso, f, s ;
fso = new ActiveXObject("Scripting.FileSystemObject");
f = fso.OpenTextFile(filename,8,true);
f.WriteLine(filecontent);
f.Close();
alert(\'ok\');
}

</script>
<html>
<input type="text" id="in" name="in" />
<input type="button" value="Write!" onclick="writeFile(\'F:/Appserv/www/12.txt\',document.getElementByIdx_x(\'in\').value);"/><br><br>
<input type="button" value="Read!" onclick="document.getElementByIdx_x(\'show\').value=readFile(\'F:/Appserv/www/12.txt\');"/><br>
<textarea id="show" name="show" cols="100" rows="20" >
</textarea>
</html>