FoundPHP Multiple File Upload

English

### FoundPHP Multiple File Upload
Multi-file upload is also an operation often used in development. Here, the large file upload component is used for multi-file upload.
#### 1.Introduce multi-file upload component
Introduce js and css in the interface of uploading files.
**Example**
```html

<script src="{style_dir}js/upload/jquery.uploadAdapter.js"></script>
<script src="{style_dir}js/upload/jquery.Huploadify.js"></script>
<link href="{style_dir}js/upload/Huploadify.css" rel="stylesheet">

<div id="upfiles"></div>
<script>
	$('#upfiles').uploadAdapter({
		auto:true,
		url:'{style_dir}js/upload',
		buttonText:'upload files',//button text
		fileObjName:'upload',//upload file name, used for receiving on the PHP side
		fileTypeExts:'*.jpg;*.jpeg;',//support file format
		multi:true,//Whether to support multiple files, set to TRUE to enable multiple file uploads
		fileSizeLimit:500 * 1024,//support file size
		showUploadedPercent:true,//whether to display the upload percentage in real time, such as 20%
		showUploadedSize:false,//show file upload size
		removeTimeout:9999999,//overtime time
		uploader:"upload.php",//submit address
		onUploadSuccess:function(file,res,response){
			//upload successful operation
			var data = eval('('+res+')');
			if(data.code==0){
				
			}
		},
		onUploadError:function(file,data){
			//upload failed operation
			
		},
		onCancel:function(file){
			//delete button operation
			
		},
		
	});
</script>
```

#### 2.File Receiving
Receive the file submitted by the form in PHP, the FoundPHP framework has automatically referenced the FoundPHP file upload class (*If you are not using the FoundPHP framework, you need to quote this class*)
**In multi-file upload, the PHP file will be executed once every time a file is uploaded successfully**
```php
	$files_dir		= dates(time(),'Ym').'/'.dates(time(),'d').'/';
	//Judgment file receipt
	if($_FILES['upload']['name']){
		$files			= $FoundPHP_upload->save(array(
			'id'		=> 'upload',				//submit file element name in the form
			'maxsize'	=> '40000',					//upload limit unit kb
			'height'	=> '400',					//height, only valid for pictures
			'width'		=> '400',					//width, only valid for pictures
			'cut'		=> 1,						//crop picture, choose one of zoom and zoom, only valid for picture
			'zoom'		=> 1,						//scaling the picture in proportion, choose one of cut and cut, only valid for picture
			'lock'        =>0,        				//0 width, width and height are not enough to fill the color, 1 zoom the maximum width of the photo, only valid for the image
			
			'dir'		=> $FILE_DIR.$files_dir,	//storage path
			'name'		=> rand(1000,9999),				//storage path
			'type'		=> array('jpg','png','jpeg'),	//supported format
			'json'		=> 1						//output json format
		));
	}
	//Insert into the database
	
```
#### 3.Receive return parameter data
**Every file will return data**

| field | description|
|-----|-----|
|id	|elements of file submission|
|ext|file format|
|upfile|upload file name plus suffix|
|upname|upload file name without suffix|
|filesize|file size|
|filename|save file name|
|dir|file save path|
|code|1 for upload success, 0 for upload failure|