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:
复制代码 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:
复制代码 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。