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3998
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berkley
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<html>
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<body>
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<script>
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var url = "post.php";
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var binary;
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var filename;
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var mytext;
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function upload() {
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filename = document.getElementById('myfile').value;
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mytext = document.getElementById('mytext').value;
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document.getElementById('ajaxbutton').disabled = true;
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// open the local file
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var file = Components.classes["@mozilla.org/file/local;1"]
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.createInstance(Components.interfaces.nsILocalFile);
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file.initWithPath( filename );
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stream = Components.classes["@mozilla.org/network/file-input-stream;1"]
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.createInstance(Components.interfaces.nsIFileInputStream);
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stream.init(file, 0x01, 00004, null);
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var bstream = Components.classes["@mozilla.org/network/buffered-input-stream;1"]
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.getService();
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bstream.QueryInterface(Components.interfaces.nsIBufferedInputStream);
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bstream.init(stream, 1000);
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bstream.QueryInterface(Components.interfaces.nsIInputStream);
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binary = Components.classes["@mozilla.org/binaryinputstream;1"]
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.createInstance(Components.interfaces.nsIBinaryInputStream);
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binary.setInputStream (stream);
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// start AJAX file upload in 1 second
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window.setTimeout("ajax_upload()", 1000);
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}
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function ajax_upload() {
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// request more permissions
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http_request = false;
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http_request = new XMLHttpRequest();
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if (!http_request) {
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alert('Cannot create XMLHTTP instance');
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return false;
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}
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// prepare the MIME POST data
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var boundaryString = 'capitano';
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var boundary = '--' + boundaryString;
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var requestbody = boundary + '\n'
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+ 'Content-Disposition: form-data; name="mytext"' + '\n'
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+ '\n'
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+ mytext + '\n'
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+ '\n'
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+ boundary + '\n'
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+ 'Content-Disposition: form-data; name="myfile"; filename="'
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+ filename + '"' + '\n'
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+ 'Content-Type: application/octet-stream' + '\n'
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+ '\n'
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+ escape(binary.readBytes(binary.available()))
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+ '\n'
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+ boundary;
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document.getElementById('sizespan').innerHTML =
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"requestbody.length=" + requestbody.length;
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// do the AJAX request
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http_request.onreadystatechange = requestdone;
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http_request.open('POST', url, true);
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http_request.setRequestHeader("Content-type", "multipart/form-data; \
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boundary=\"" + boundaryString + "\"");
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http_request.setRequestHeader("Connection", "close");
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http_request.setRequestHeader("Content-length", requestbody.length);
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http_request.send(requestbody);
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}
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function requestdone() {
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if (http_request.readyState == 4) {
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if (http_request.status == 200) {
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result = http_request.responseText;
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document.getElementById('myspan').innerHTML = result;
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} else {
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alert('There was a problem with the request.');
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}
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document.getElementById('ajaxbutton').disabled = false;
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}
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}
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</script>
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<form>
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Text: <input type="text" id="mytext" name="mytext" size="40">
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<br>
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File: <input type="file" id="myfile" name="datafile" size="40"><br>
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<input type="button" id="ajaxbutton" value="AJAX IT" onclick="upload();">
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</form>
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<div id="sizespan"></div>
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<hr>
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<div id="myspan"></div>
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</body>
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</html>
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