The code copy is as follows:
<script>
window.onload=function(){
upfile('file.php');
}
/*
** url path
**/
function upfile(url){
//Create an iframe
var iframe = document.createElement("iframe");
document.body.appendChild(iframe);
iframe.id = 'iframeName';
iframe.name = 'iframeName';
iframe.style.display = 'none';
//Create form
var turnForm = document.createElement("form");
document.body.appendChild(turnForm);
turnForm.method = 'post';
turnForm.action = url;
turnForm.encoding = "multipart/form-data";
turnForm.name = 'formNamer';
turnForm.target = 'iframeName';
//Create a hidden form
var newElement = document.createElement("input");
newElement.setAttribute("name","inputname");
newElement.setAttribute("type","file");
newElement.setAttribute("value",'');
turnForm.appendChild(newElement);
}
//form submission
function formSubmit() {
//var res = document.formNamer.inputname.value;
document.formNamer.submit();
}
//Return value
function callback(result){
//window.parent.document.getElementById('iframeName').style.display = 'block'; View background data through iframe
if(result['error'] == 0){
document.getElementById('test').src= result['img'][1]+'/'+result['img'][2];
}else if(result['error'] == 1){
alert(result['meg']);
}else if(result['error'] == 2){
alert(result['meg']);
}else if(result['error'] == 3){
alert(result['meg']);
}else if(result['error'] == 4){
alert(result['meg']);
}else{
alert(result['meg']);
}
}
</script>
<a href="javascript:formSubmit()">Upload</a>
<img src="http://blog.163.com/zhwxl_zyx/blog/img/pasic.jpg" id="test">
file.php
The code copy is as follows:
<?php
header("content-Type: text/html; charset=Utf-8");
if(@is_uploaded_file($_FILES['inputname']['tmp_name'])){
$f = $_FILES['inputname'];
$name = $f["name"];
$size = $f["size"];
$type = $f["type"];
$fileName = $f["tmp_name"];
switch ($type) {
case 'image/jpg':$okType = true;
break;
case 'image/jpeg':$okType = true;
break;
case 'image/png':$okType = true;
break;
case 'image/gif':$okType = true;
break;
}
if($okType){
$error = $f["error"];
echo 'File name:'.$name.'<br>';
echo 'File Type:'.$type.'<br>';
echo 'File size:'.round($size/1024).'K<br>';
echo 'Temporary file storage path:'.$fileName.'<br>';
$fileDir = dirname(__FILE__).'/img/upfile'.time().$name;
$img = exploit('/',$fileDir);
move_uploaded_file($fileName, $fileDir);
$data = array();
$data['img'] = $img;
$data['name'] = $name;
$data['type'] = $type;
$data['size'] = $size;
$data['filename'] = $fileName;
$data['fileDir'] = $fileDir;
if($error==0){
/*echo 'Uploaded successfully!';
echo 'Preview:';
echo "<img src="http://blog.163.com/zhwxl_zyx/blog/.$img[1].'/'.$img[2]." width='200' height='200'> <br>";
echo 'file name'.$img[2];*/
$data['error'] = 0;
exit("<script>parent.callback(".json_encode($data).");</script>");
}elseif($error==1){
$data['error'] = 1;
$data['meg'] = 'The file size exceeds, set in php.ini file';
exit("<script>parent.callback(".json_encode($data).");</script>");
}elseif ($error==2){
$data['error'] = 2;
$data['meg'] = 'The value specified by the MAX_FILE_SIZE option is exceeded';
exit("<script>parent.callback(".json_encode($data).");</script>");
}elseif ($error==3){
$data['error'] = 3;
$data['meg'] = 'Only part of the file is uploaded';
exit("<script>parent.callback(".json_encode($data).");</script>");
}elseif ($error==4){
$data['error'] = 4;
$data['meg'] = 'No file was uploaded';
exit("<script>parent.callback(".json_encode($data).");</script>");
}else{
$data['meg'] = 'Upload file size is 0';
exit("<script>parent.callback(".json_encode($data).");</script>");
}
}
}else{
$data['error'] = 4;
$data['meg'] = 'No file was uploaded';
exit("<script>parent.callback(".json_encode($data).");</script>");
}
?>