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Homephp教程php手册关于thinkphp文件上传函数的初步探究

这是一个基于thinkphp框架的一个文件上传函数,可以单独放在框架的公用函数里面,同时还可以返回文件的信息,使用说明很详细,希望能对大家有所帮助,有不对的地方,也请大家帮忙指导下,谢谢啊!
function upload(){<br> <br>         /*<br>             使用方法:<br>             1、$uploadInfo = upload(); 调用函数<br>             2、判断返回值是否为真,进行相应的提示和跳转<br>                 if ($uploadInfo) {<br>                        $this->success('上传成功!');<br>                    } else {<br>                        $this->error('上传失败!');<br>                    }<br>             3、$uploadInfo['photo']的值<br>                 array (size=9)<br>                   'name' => string '1.jpg' (length=5)<br>                   'type' => string 'image/jpeg' (length=10)<br>                   'size' => int 78646<br>                   'key' => string 'photo' (length=5)<br>                   'ext' => string 'jpg' (length=3)<br>                   'md5' => string 'c23173655f2ef9715c37b8448408f36f' (length=32)<br>                   'sha1' => string '388fabe45a33669bd2dcbb3ac8f214b702954e47' (length=40)<br>                   'savename' => string '20141210-54880fa2b14c1.jpg' (length=26)<br>                   'savepath' => string 'images/2014-12-10/' (length=18)<br>             4、获取文件的相关信息<br>                 $fileExt = $uploadInfo['photo']['ext']; // 文件后缀名<br>                 $filePath = $uploadInfo['photo']['savepath'].$uploadInfo['photo']['savename']; // 图片路径和名称<br>         */<br>         <br>         $upload = new \Think\Upload(); // 实例化上传类<br>         $upload->maxSize   =     3145728 ; // 设置附件上传大小<br>         $upload->exts      =     array('jpg', 'gif', 'png', 'jpeg'); //  设置附件上传类型<br>         $upload->savePath  =     'images/'; // 设置附件上传目录<br>         $upload->saveName  =     date('Ymd',time()).'-'.uniqid(); // 直接设置上传文件名(日期 + 唯一值)<br> <br>         // 上传文件操作<br>         return $upload->upload();<br>     }

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