Home > Developer > Web Develop
Front:
<HTML> <Head><title>Upload file</title> <Metahttp-equiv= "Content-type"content= "Text/html;charset=utf-8"/> </Head> <Body> <formAction= "uploadtest.php"Method= "POST"enctype= "Multipart/form-data"> <!--name must be Max_file_size,value is the number of bytes - <inputtype= "hidden"name= "Max_file_size"value= "2097152"/> <!--Accept is the MIME type of the file - <inputtype= "File"name= "FileName"Accept= "image/jpeg,image/gif,image/png,application/x-ms-bmp,text/plain,text/html" /> <inputtype= "Submit"value= "Upload file"/> </form> </Body></HTML>
Functions for uploading files:
<?PHPHeader(' Content-type:text/html;charset=utf-8 ');functionUploadFile ($file,$uploadpath= ' upload ',$extarray=[' jpg ', ' jpeg ', ' gif ', ' PNG ', ' BMP ',$max=2097152,$flag=false){ //[email protected]$_files[' fileName ']; Var_dump ($file); $max = 2097152; Added to the parameter, the default 2M//due to the client limit is unreliable, so also on the server to restrict. Limit the size of the file; if($file[' Size ']>$max) { Exit(' The file is too large to be uploaded. ‘); #code ... } if($file[' Error ']!==0) { Switch($file[' Error ']){ Case1:$errmsg= "The upload file exceeds the value of the Upload_max_filesize option limit in php.ini. "; Break; Case2:$errmsg= "The size of the uploaded file exceeds the value specified by the MAX_FILE_SIZE option in the HTML form." "; #code ... Break; Case3:$errmsg= "file is only partially uploaded"; #code ... Break; Case4:$errmsg= "No files are uploaded"; #code ... Break; Case6:$errmsg= "The Temp folder could not be found." "; #code ... Break; Case7: Case8:$errmsg= "System Error"; #code ... Break; } Exit($errmsg); #code ...}Else{ //determine if it was uploaded via HttpPost if(!Is_uploaded_file($file[' Tmp_name '])) { Exit(' not upload via HTTP POST '); #code ... } //determine file format//can also be used PathInfo ($file [' name '],pathinfo_extension); $ext[Email protected]Strtolower(End(Explode(‘.‘,$file[' Name ']))); //$extarray =[' jpg ', ' jpeg ', ' gif ', ' PNG ', ' BMP '];//added to the array, custom file type if(!In_array($ext,$extarray)) { Exit(' File format error '); #code ... } //Judging whether it's a real picture if($flag===true){ if(@!getimagesize($file[' Tmp_name '])) { Exit(' Not a real picture '); #code ... } } //Specify the upload directory//$uploadpath = ' upload ';//Add the default value to the parameter ' upload '//Determine if the file exists if(!file_exists($uploadpath)) { mkdir($uploadpath, 0777,true); chmod($uploadpath, 0777); #code ... } //ensure that each uploaded file has a unique name $newname=MD5(uniqid(Microtime(true),true)).‘.‘.$ext; $pathname=$uploadpath.‘ /‘.$newname; if(Move_uploaded_file($file[' Tmp_name '],$pathname)) { //exit (' upload successful '); # code ... return $pathname; } }}?>
Using functions:
<? PHP include (' upload.func.php '); $file=$_files[' FileName ']; $new=uploadfile ($file, ' Lijian ',$extarray=[' txt ', ' html ']); Echo $new;PHP Upload file Code exercise
Start building with 50+ products and up to 12 months usage for Elastic Compute Service
1 on 1 presale consultation
24/7 Technical Support 6 Free Tickets per Quarter Faster Response
Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.
A comprehensive suite of global cloud computing services to power your business
Payment Methods We Support
