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SWFUpload combined with the power of Yii framework , Yii文件上传 整合 swfupload

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Yii extensions:

http://www.yiiframework.com/extension/lcswfupload/

中文说明

SWFUpload Yii文件上传 整合 swfupload

flash文件上传

支持多文件同时上传

显示文件上传进度条

Requirements

Yii 1.1 or above Usage

SWFUpload 图片上传

第一步:在控制器类里面载入SWFUploadAction

public function actions() {
    return array(
        'upload'=>array(
            'class'=>'application.extensions.swfupload.SWFUploadAction',
            
            //注意这里是绝对路径,.EXT是文件后缀名替代符号
            'filepath'=>'/var/www/yourpath/yourfilename.EXT',
            
            'onAfterUpload'=>array($this,'saveFile'),
        )
    );
}

说明:

你必须要有这个upload action的权限,可以在accessRules函数中添加upload action 的访问权限

  1. filepath 文件上传后保存到服务器的的绝对路径,包括文件名 如: /var/www/images/logo.EXT 文件未上传之前后缀名是未知的,故在这里用 .EXT 做为替代符,lcswfupload保存文件时获得文件扩展名替代.EXT

  2. SWFUploadAction支持两个事件 onBeforeUpload 和 onAfterUpload

onAfterUpload 在文件保存到服务器后执行 如上代码,onAfterUpload 绑定了$this->saveFile 函数。 你可以在此函数中将文件名保存到数据库中,或者进行图片裁剪工作等。

public function saveFile($event)
{
    //$event->sender['uploadedFile']  这个是 CUploadedFile 对象
    //$event->sender['uploadedFile']->name;  文件上传之前的名字
   // $event->sender['name']  yourfilename.EXT 文件保存到服务器的名字 由filepath指定
   // do something   ......

}

第二步:在视图中调用widget

    <?php 
        $this->widget(
            'application.extensions.swfupload.SWFUpload',
            array(
                'callbackJS'=>'swfupload_callback'
            )
        );
    ?>

说明:

callbackJS 是图片上传后lcswfupload将自动执行的js函数,用于在页面上获得上传后的文件名等。
用于场景如:将上传成功后的图片立即显示出来等。
函数定义格式如下: 
    第一参数是文件名字name,
    第二参数是文件路径path,
    第三参数是oldname是文件的原始名字,

javascript代码示例:

function swfupload_callback(name,path,oldname)  
{
       $("#Sponsor_logo").val(name);
       $("#thumbnails_1").html("<img src='"+path+"/"+name+"?"+(new Date()).getTime()+"' />"); 
}

English description

SWFUpload is a small JavaScript/Flash library to get the best of both worlds. It features the great upload capabilities of Flash and the accessibility and ease of HTML/CSS now combined with the power of Yii framework.

####Requirements

Yii 1.1 or above

####Installation

Extract the release file under protected/extensions

Directory structure like this

--extensions
----swfupload
------assets
------views
------SWFUpload.php
------SWFUploadAction.php

####Usage

See the following code example:

On controller

public function accessRules()
{
 return array(
    array('allow', 
          'actions'=>array('upload'),
          'users'=>array('*'),
    ),
    ......
  );
}


public function actions() {
    return array(
        'upload'=>array(
            'class'=>'application.extensions.swfupload.SWFUploadAction',
            'filepath'=>'/var/www/yourpath/yourfilename.EXT',   // 'EXT' will be replaced by file extension
            'onAfterUpload'=>array($this,'saveFile'),
        )
    );
}


public function saveFile($event)
{
    //$event->sender['uploadedFile'] is CUploadedFile
    //$event->sender['uploadedFile']->name; the original name of the file being uploaded
   // $event->sender['name']  yourfilename.EXT
   // do something   ......

}

On Views

<?php  
$this->widget('application.extensions.swfupload.SWFUpload',array(
    'callbackJS'=>'swfupload_callback',
    )
);
?>
<input type="text"  name="image_name" id="image_name" />

<script>
    function swfupload_callback(name,path,oldname)  
    {
       $("#image_name").val(name);
       $("#thumbnails_1").html("<img src='"+path+"/"+name+"?"+(new Date()).getTime()+"' />"); 
    } 
</script>

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