下载Uploadfile类文件

http://www.thinkphp.cn/extend/224.html
放到：
ThinkPHP/Extend/Library/ORG/Net 。

修改文件头部，加上namespace：

<?phpnamespace Org\Net;

官方文档位置：
http://doc.thinkphp.cn/manual/upload.html

javascript代码

 $.ajaxFileUpload({url: _app_+'/Products/Items/upload',secureuri: false,fileElementId: 'uploadId',dataType: 'json',data:$("form[name=fmAdd]").serializeArray(),success: function (data, status) { var data_obj = JSON.parse(data); console.log(data_obj);},error: function (data, status, e) {console.log('error');return;}});

PHP代码

public function upload(){if(!isset($this->U)){return array('result'=>'Timeout');}// import('Org.Net.UploadFile');$upload = new \Org\Net\UploadFile();//设置上传文件大小//$upload->maxSize = 3292200;//设置上传文件类型$upload->allowExts = explode(',', 'txt,csv');//设置附件上传目录$upload->savePath = './Uploads/';if (!$upload->upload()) {//捕获上传异常//$this->error($upload->getErrorMsg());$this->response(array("result"=>"Fail"),'json');} else {//取得成功上传的文件信息$uploadList = $upload->getUploadFileInfo();$savename = $uploadList[0]['savename'];$this->response(array("result"=>"Success","url"=>$savename ),'json');} }

html代码

 <form name="fmAdd" method="post" novalidate > <table class="table table-condensed"><tr><th>选择文件</th><td><input type="file" name="uploadId" id="uploadId" />允许文件类型：.txt .csv</td></tr> </table> </form>