本文实例讲述了ThinkPHP结合AjaxFileUploader实现无刷新文件上传的方法。分享给大家供大家参考。具体实现方法分析如下：
首先，AjaxFileUploader插件是一个基于jquery的插件，我们可以使用AjaxFileUploader插件来实现文件异步上传功能了，使用这款插件上传文件不要担心兼容性的问题，它的兼容性可以说兼容所有主流浏览器，下面来给大家介绍一个AjaxFileUploader+thinkPHP实现文件上传的实例。
ThinkPHP框架下用AjaxFileUploader插件实现ajax文件上传，支持多种文件格式，页面无刷新上传。
在Lib/Action/目录下创建upAction.class.PHP文件，代码如下：
/
@文件上传
@author FineYi
@date 2013-01-23
*/
public function upLoadFile(){
$error = "";
$msg = "";
$fileElementName = 'fileToUpload';
if(!empty($_FILES[$fileElementName]['error'])){
switch($_FILES[$fileElementName]['error']){
case '1':
$error = 'The uploaded file exceeds the upload_max_filesize directive in PHP.ini';
break;
case '2':
$error = 'The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form';
break;
case '3':
$error = 'The uploaded file was only partially uploaded';
break;
case '4':
$error = 'No file was uploaded.';
break;
case '6':
$error = 'Missing a temporary folder';
break;
case '7':
$error = 'Failed to write file to disk';
break;
case '8':
$error = 'File upload stopped by extension';
break;
case '999':
default:
$error = 'No error code avaiable';
}
}elseif(empty($_FILES['fileToUpload']['tmp_name']) || $_FILES['fileToUpload']['tmp_name'] == 'none'){
$error = 'No file was uploaded..';
}else{
$re = $this->up();
if(!$re){
$error = 'Up file fail';
}
$msg = $re['savename']; //文件名
$path = '/upload/bizcoop/'.$msg; //文件路径
$size = $re['size']; //文件大小
}
echo json_encode(array('error'=>$error,'msg'=>$msg,'path'=>$path,'size'=>$size));exit;
}
private function up(){
import('@.Org.UploadFile');//将上传类UploadFile.class.PHP拷到Lib/Org文件夹下
$upload=new UploadFile();
$upload->maxSize='-1';//默认为-1，不限制上传大小
$upload->savePath= ICTSPACE_DIST_ROOT_PATH.'/www/upload/bizcoop/';//保存路径
$upload->saveRule=uniqid;//上传文件的文件名保存规则
$upload->uploadReplace=true;//如果存在同名文件是否进行覆盖
$upload->allowExts=array('jpg','jpeg','png','gif');//准许上传的文件类型
if($upload->upload()){
$info=$upload->getUploadFileInfo();
return $info[0];
}else{
return false;
exit;
}
}
}
?>
在/Tpl/default/Up/目录下创建index.tpl文件，代码如下：
