gistfile1.txt

<script type='text/javascript'>
	function _id(e){return document.getElementById(e)}

	_id('myfile').onchange = function(){
		var theFile = this.files;
					
		if(theFile.length === 1){
				
						
			var uploader = new XMLHttpRequest();
			var file = new FormData();
						
						
			uploader.onreadystatechange = function(){
				if(uploader.readyState ===4 && uploader.status === 200){
					console.log(uploader.responseTeXt);								
				}
			}
			uploader.open('POST','uploadfile.php',true);
			uploader.send(file);
			alert('上傳1個檔案成功');
		
		}else{
						
			var start = 0,
			setter,
			buff=true;	
						
			setter = setInterval(function(){
				if(buff === true){
					buff = false;
					var uploader = new XMLHttpRequest();
					var file = new FormData();
					file.append('file',theFile[start]);
					
					uploader.onreadystatechange = function(){
						if(uploader.readyState === 4 && uploader.status === 200){
							console.log(uploader.responseTeXt);
							clearInterval(setter);
						}
					}
					alert('上傳'+theFile.length+'個檔案成功');
					uploader.open('POST','uploadfile.php',true);
					uploader.send(file);
		
				}
					console.log('999');
				
			},500);
				
		}	
					
		window.location.reload();
	}
</script>