本文實例講述了ThinkPHP結合AjaxFileUploader實現無刷新文件上傳的方法。分享給大家供大家參考。具體實現方法分析如下：
首先，AjaxFileUploader插件是一個基於jquery的插件，我們可以使用AjaxFileUploader插件來實現文件異步上傳功能了，使用這款插件上傳文件不要擔心兼容性的問題，它的兼容性可以說兼容所有主流浏覽器，下面來給大家介紹一個AjaxFileUploader+thinkphp實現文件上傳的實例。
ThinkPHP框架下用AjaxFileUploader插件實現ajax文件上傳，支持多種文件格式，頁面無刷新上傳。
在Lib/Action/目錄下創建upAction.class.php文件，代碼如下：
復制代碼 代碼如下:<?php
class upAction extends BaseAction{
public function index(){
$this->display();
}
/*
*@文件上傳
*@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; //文件路徑
$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');//將上傳類UploadFile.class.php拷到Lib/Org文件夾下
$upload=new UploadFile();
$upload->maxSize='-1';//默認為-1，不限制上傳大小
$upload->savePath= ICTSPACE_DIST_ROOT_PATH.'/www/upload/bizcoop/';//保存路徑
$upload->saveRule=uniqid;//上傳文件的文件名保存規則
$upload->uploadReplace=true;//如果存在同名文件是否進行覆蓋
$upload->allowExts=array('jpg','jpeg','png','gif');//准許上傳的文件類型
if($upload->upload()){
$info=$upload->getUploadFileInfo();
return $info[0];
}else{
return false;
exit;
}
}
}
?>
在/Tpl/default/Up/目錄下創建index.tpl文件，代碼如下：
復制代碼 代碼如下:<div id="content">
<h1>Ajax File Upload Demo</h1>
<img id="loading" alt="" src="__APP____PUBLIC__/style/img/loading.gif" />
<form action="" enctype="multipart/form-data" method="POST" name="form">
<table class="tableForm" cellspacing="0" cellpadding="0">
<thead>
<tr>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td><input class="input" id="fileToUpload" type="file" name="fileToUpload" size="45" /></td>
</tr>
<tr>
<td><button class="button" id="buttonUpload" onclick="return ajaxFileUpload();">Upload</button></td>
</tr>
</tbody>
<tbody>
<tr>
<td><span>已上傳的附件:</span></td>
</tr>
</tbody>
<tfoot></tfoot>
</table>
</form></div>
在/Lib/Org/目錄下放入ThinkPHP文件上傳類就可以了，有一些插件我們需要到官方下載。
希望本文所述對大家的PHP程序設計有所幫助。
