how to load the text in another textarea where the textarea is within iframe
in the below code plz tell me how to load the text in textarea where the textarea path is parent.frame_name1.iframe_name1.form_name1.textarea_name1
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Language" content="en-us">
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>Local File I/O</title>
<script type="text/javascript">
<!-- // Begin
var ForReading = 1,
ForWriting = 2,
ForAppending = 8;
var objFSO = new ActiveXObject("Scripting.FileSystemObject");
function checkText(fld, btn) {
btn.disabled = false;
fld.onkeypress = null;
return true;
}
function checkFile(obj, div, btn, btn2, fld) {
div.innerHTML = '<p><b>File:</b><br><b>Size:</b> <b>Last Modified:</b></p>';
btn.disabled = true;
btn2.disabled = true;
fld.value = '';
fld.onkeypress = new Function("return checkText(" + "document." + fld.form.name + "." + fld.name + "," + "document." + btn2.form.name + "." + btn2.name + ")");
//
// if (obj.value.indexOf(":") != 1) {
// alert("Local file name must include a drive letter.");
// return false;
// }
var ary = obj.value.split("\\");
if (ary.length < 2) {
alert("Local file name must include a path.");
return false;
}
if (!/(\.txt)$/i.test(obj.value)) {
alert("Local file name must include the '.txt' extension.");
return false;
}
//
try {
objFile = objFSO.GetFile(obj.value);
} catch (e) {
if (e.message != "File not found") {
alert(e.message);
return false;
} else {
try {
if (confirm(obj.value + "\n" + "does not exist. Click 'Ok' to create it.")) {
objFile = objFSO.CreateTextFile(obj.value);
objFile.Close();
objFile = objFSO.GetFile(obj.value);
} else {
return false;
}
} catch (e) {
alert(e.message);
return false;
}
}
}
fileSpecs(div, btn);
objFile = null;
return true;
}
function fileSpecs(div, btn) {
if (objFile.Size > 0) {
btn.disabled = false;
} else {
btn.disabled = true;
}
var str = '<p>';
str += '<b>File:</b> ' + objFile.Path + '<br>';
str += '<b>Size:</b> ';
if (objFile.Size < 1024) {
str += objFile.Size + ' bytes';
} else {
str += (objFile.Size / 1024).toFixed(1) + ' Kbytes';
}
str += ' ';
str += '<b>Last Modified:</b> ' + objFile.DateLastModified;
str += '</p>';
div.innerHTML = str;
}
function loadFile(btn, obj, div, fld) {
objFile = objFSO.GetFile(obj.value);
objStream = objFile.OpenAsTextStream(ForReading);
fld.value = objStream.ReadAll();
objStream.Close();
objStream = null;
fileSpecs(div, btn);
objFile = null;
return true;
}
function saveFile(btn, obj, div, fld, btn2) {
btn.disabled = true;
objFile = objFSO.GetFile(obj.value);
objStream = objFile.OpenAsTextStream(ForWriting);
objStream.Write(fld.value);
objStream.Close();
objStream = null;
objFile = objFSO.GetFile(obj.value);
fileSpecs(div, btn2);
objFile = null;
fld.value = '';
fld.onkeypress = new Function("return checkText(" + "document." + fld.form.name + "." + fld.name + "," + "document." + btn.form.name + "." + btn.name + ")");
return true;
}
// End -->
</script>
</head>
<body>
<center>
<form name="myForm" onsubmit="return false;">
<table width="720">
<tr>
<td colspan="4">
<div id="fileSpec">
<p>开发者_StackOverflow社区;<b>File:</b><br><b>Size:</b> <b>Last Modified:</b></p>
</div>
</td>
</tr>
<tr>
<td colspan="3" width="580" align="center" valign="top">
<textarea rows="25" name="fileArea" cols="70"
onkeypress="return checkText(this, btnSave);"></textarea> </td>
<td rowspan="2" width="140" valign="top"><p>This is a simple demonstration of
a browser-based local text file editor. Begin by clicking the <b>Browse</b>
button to select an existing text file from your local hard drive.
(In the Browse dialog, you may type in a new file name if
desired.) The selected file information is then displayed at the
top of the page. For an existing file, click the <b>Load</b>
button next. After editing, click the <b>Save</b> button to
complete the demonstration.</p></td>
</tr>
<tr>
<td align="left">
<input type="file" name="fileName" size="50"
onchange="return checkFile(this, document.getElementById('fileSpec'), btnLoad, btnSave, fileArea);"> </td>
<td align="center">
<input type="button" name="btnLoad" value="Load" disabled
onclick="return loadFile(this, fileName, document.getElementById('fileSpec'), fileArea);"> </td>
<td align="center">
<input type="button" name="btnSave" value="Save" disabled
onclick="return saveFile(this, fileName, document.getElementById('fileSpec'), fileArea, btnLoad);"> </td>
</tr>
</table>
</form>
</center>
</body>
</html>
Are you meaning that the filename what you want to load is contained in parent.frame_name1.iframe_name1.form_name1.textarea_name1 ? In this case you should change the <input type="file"/> value dynamically, which is not supported by browsers (it would be a security issue).
加载中,请稍侯......
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