javaScript. I want to upload image or file with the help of dropzone. when file uploaded then at a time file should be display..
<html>
<head>
<meta charset="utf-8">
<title>variables</title>
<style>
#drop_zone {
background-color: #EEE;
border: #999 5px dashed;
width: 290px;
height: 200px;
padding: 8px;
font-size: 18px;
}
</style>
<script>
function drag_drop(event) {
event.preventDefault();
alert(event.dataTransfer.files[0]);
alert(event.dataTransfer.files[0].name);
alert(event.dataTransfer.files[0].size+" bytes");
/* This is where to begin uploading the file with Ajax and upload progress bar to PHP script */
/* https://www.developphp.com/video/JavaScript/File-Upload-Progress-Bar-Meter-Tutorial-Ajax-PHP */
}
function _(el){
return document.getElementById(el);
}
function uploadFile(){
var file = _("file1").files[0];
// alert(file.name+" | "+file.size+" | "+file.type);
var formdata = new FormData();
formdata.append("file1", file);
var ajax = new XMLHttpRequest();
ajax.upload.addEventListener("progress", progressHandler, false);
ajax.addEventListener("load", completeHandler, false);
ajax.addEventListener("error", errorHandler, false);
ajax.addEventListener("abort", abortHandler, false);
ajax.open("POST", "file_upload_parser.php");
ajax.send(formdata);
}
function progressHandler(event){
_("loaded_n_total").innerHTML = "Uploaded "+event.loaded+" bytes of "+event.total;
var percent = (event.loaded / event.total) * 100;
_("progressBar").value = Math.round(percent);
_("status").innerHTML = Math.round(percent)+"% uploaded... please wait";
}
function completeHandler(event){
_("status").innerHTML = event.target.responseText;
_("progressBar").value = 0;
}
function errorHandler(event){
_("status").innerHTML = "Upload Failed";
}
function abortHandler(event){
_("status").innerHTML = "Upload Aborted";
}
</script>
</head>
<body>
<h1>File Upload Drop Zone</h1>
<div id="drop_zone" ondrop="drag_drop(event)" ondragover="return false"></div>
<form id="upload_form" enctype="multipart/form-data" method="post">
<input type="file" name="file1" id="file1"><br>
<input type="button" value="Upload File" onclick="uploadFile()">
<progress id="progressBar" value="0" max="100" style="width:300px;"></progress>
<h3 id="status"></h3>
<p id="loaded_n_total"></p>
</form>
</body>
can you tell me where i am wrong and what is problems... can we use upload file with the help of ajax if yes then please send me code how will we upload file and image
Please refer the tutorial for ajax image upload in PHP: https://www.formget.com/ajax-image-upload-php/