<html>
<head>
<title>Untitled Page</title>
<script type="text/javascript">
function readFile(fileBrowser) {
if (navigator.userAgent.indexOf("MSIE")!=-1)
readFileIE(fileBrowser);
else if (navigator.userAgent.indexOf("Firefox")!=-1 || navigator.userAgent.indexOf("Mozilla")!=-1)
readFileFirefox(fileBrowser);
else
alert("Not IE or Firefox (userAgent=" + navigator.userAgent + ")");
}
function readFileFirefox(fileBrowser) {
try {
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
}
catch (e) {
alert('Unable to access local files due to browser security settings. To overcome this, follow these steps: (1) Enter "about:config" in the URL field; (2) Right click and select New->Boolean; (3) Enter "signed.applets.codebase_principal_support" (without the quotes) as a new preference name; (4) Click OK and try loading the file again.');
return;
}
var fileName=fileBrowser.value;
var file = Components.classes["@mozilla.org/file/local;1"]
.createInstance(Components.interfaces.nsILocalFile);
try {
// Back slashes for windows
file.initWithPath( fileName.replace(/\//g, "\\") );
}
catch(e) {
if (e.result!=Components.results.NS_ERROR_FILE_UNRECOGNIZED_PATH) throw e;
alert("File '" + fileName + "' cannot be loaded: relative paths are not allowed. Please provide an absolute path to this file.");
return;
}
if ( file.exists() == false ) {
alert("File '" + fileName + "' not found.");
return;
}
alert(file.path); // I test to get the local file's path.
var is = Components.classes["@mozilla.org/network/file-input-stream;1"].createInstance( Components.interfaces.nsIFileInputStream );
try { is.init( file,0x01, 00004, null); }
catch (e) {
if (e.result!=Components.results.NS_ERROR_FILE_ACCESS_DENIED) throw e;
alert("Unable to access local file '" + fileName + "' because of file permissions. Make sure the file and/or parent directories are readable.");
return;
}
var sis = Components.classes["@mozilla.org/scriptableinputstream;1"].createInstance( Components.interfaces.nsIScriptableInputStream );
sis.init( is );
var data = sis.read( sis.available() );
var s = file.path; //文件路徑
//s += "建立時間: " + Date.parse(file.DateCreated) + " ";
//s += "最後訪問時間: " + Date.parse(file.DateLastAccessed) + " ";
//s += "最後修改時間: " + Date.parse(file.DateLastModified) ;
alert("Data from file: " + data); // I test to get the local file's data.
}
function readFileIE(fileBrowser) {
var data ,f,s;
try {
var fso = new ActiveXObject("Scripting.FileSystemObject");
var fileName=fso.GetAbsolutePathName(fileBrowser.value);
if (!fso.FileExists(fileName)) {
alert("File '" + fileName + "' not found.");
return;
}
f = fso.GetFile(fileName); // filespec 是指定文件的路徑（絕對和或相對的），必選項。
s = f.Path.toUpperCase() + "<br>"; //文件路徑
s += "建立時間: " + Date.parse(f.DateCreated) + " ";
s += "最後訪問時間: " + Date.parse(f.DateLastAccessed) + " ";
s += "最後修改時間: " + Date.parse(f.DateLastModified) ;
// var file = fso.OpenTextFile(fileName, 1);
//data = file.ReadAll();
alert("Data from file: " + s);
f.Close();
}
catch(e) {
if (e.number == -2146827859) {
// This is what we get if the browser's security settings forbid
// the use of the FileSystemObject ActiveX control
alert('Unable to access local files due to browser security settings. To overcome this, go to Tools->Internet Options->Security->Custom Level. Find the setting for "Initialize and script ActiveX controls not marked as safe" and change it to "Enable" or "Prompt"');
}
else if (e.number == -2146828218) {
// This is what we get if the browser can't access the file
// because of file permissions
alert("Unable to access local file '" + fileName + "' because of file permissions. Make sure the file and/or parent directories are readable.");
}
else throw e;
}
}
</script>
</head>
<body>
<form name="form1">
Browse to select a file
<input type="file" name="fileBrowser" size="125" οnchange="readFile(this)" />
</form>
</body>
</html>
淺談FireFox中file控件不能取到客戶端文件的完整路徑的問題
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