<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>js操作文件(ie可用)</title>
<script src="http://libs.baidu.com/jquery/1.9.1/jquery.min.js"></script>
<script language="JavaScript">
var fileDir='';
$(document).ready(function(){
fileDir=getFileDir();
$('#fileDir').html(fileDir);
readInfo();
});
/**获取当前文件位置**/
function getFileDir(){
var curRequestPath = window.document.location.href;
var decode=decodeURI(curRequestPath);
var dir=decode.substring('file:///'.length,decode.lastIndexOf("/")+1);
return dir;
}
/**读取文件**/
function readInfo(){
var fileName=fileDir+$('#fileName').val();
if(fileName==""){
alert('文件名称不能为空');
return;
}else{
var fso,f,ts,s;
var ForRWA=0,ForReading=1,ForWriting=2,ForAppending=8;
var TristateUseDefault=-2,TristateTrue=-1,TristateFalse=0;
fso=new ActiveXObject("Scripting.FileSystemObject");
f=fso.GetFile(fileName);
ts=f.OpenAsTextStream(ForReading,TristateUseDefault);
try{
s=ts.ReadAll();
}catch(e){}
ts.Close();
$('#showArea').val(s);
$('#editArea').val(s);
alert('操作成功');
}
}
/**写入文件**/
function writeInfo(){
var fileName=fileDir+$('#fileName').val();
if(fileName==""){
alert('文件名称不能为空');
return;
}else{
var content=$('#editArea').val();
if(content==""){
alert('写入内容不能为空');
}
var ForRWA=0,ForReading=1,ForWriting=2;
var TristateUseDefault=-2,TristateTrue=-1,TristateFalse=0;
fso=new ActiveXObject("Scripting.FileSystemObject");
f=fso.GetFile(fileName);
ForRWA=ForWriting;
ts=f.OpenAsTextStream(ForRWA,TristateUseDefault);
ts.Write(content);
ts.Close();
$('#showArea').val(content);
alert('操作成功');
}
}
/**创建文件**/
function createInfo(){
var content=$('#createArea').val();
if(content==""){
alert('写入内容不能为空');
return;
}
var date = new Date();
var year=date .getFullYear(); //获取完整的年份(4位)
var month=date .getMonth()+1; //获取当前月份(0-11,0代表1月)
var date=date.getDate(); //获取当前日(1-31)
var fileName=fileDir+'workData_'+year+'-'+month+'-'+date+'.json';
var fso, tf;
fso = new ActiveXObject("Scripting.FileSystemObject");
if(fso.FileExists(fileName)){
alert('文件已存在');
return;
}
// 创建新文件
tf = fso.CreateTextFile(fileName, true);
tf.Write(content);
// 关闭文件
tf.Close();
alert('操作成功');
}
</script>
</head>
<body>
<table width="100%" border="1">
<tr>
<td colspan="3">
<p>文件路径：<span id="fileDir"></span></p>
<p>文件名称：<input name="text1" id="fileName" value="workData.json" size="40"></p>
</td>
</tr>
<tr>
<td width="30%">
<textarea id="showArea" name="showArea" cols="20" rows="10" style="width:98%"></textarea>
</td>
<td>
<textarea id="editArea" name="editArea" cols="20" rows="10" style="width:98%"></textarea>
</td>
<td>
<textarea id="createArea" name="createArea" cols="20" rows="10" style="width:98%"></textarea>
</td>
</tr>
<tr>
<td>
<input type="button" value="读取" onclick="readInfo()">
</td>
<td>
<input type="button" value="写入" onclick="writeInfo()">
</td>
<td>
<input type="button" value="创建" onclick="createInfo()">
</td>
</tr>
</table>
</body>
</html>
