ThinkPHP结合AjaxFileUploader实现无刷新文件上传的简单示例

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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：

代码如下:

<?php

class upAction extends BaseAction{

public function index(){

    $this->display();

}

 

/*

*@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：

代码如下:

<div id="content">

<h1>Ajax File Upload Demo</h1>

<img id="loading" style="display: none;" 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>已上传的附件:</span></td>

</tr>

</tbody>

<tfoot></tfoot>

</table>

</form></div>

 

在/Lib/Org/目录下放入ThinkPHP文件上传类就可以了，有一些插件我们需要到官方下载。

希望本文所述对大家的PHP程序设计有所帮助。

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