php文件上传简单实例
txt,rar,zip,jpg,jpeg,gif,png,swf,wmv,avi,wma,mp3,mid,jar,jad,exe,html,htm,css,js,doc上传,音乐文件等都可以,实例代码如下:
<!doctype html public "-//w3c//dtd xhtml 1.0 transitional//en" "http://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.dtd" > <html xmlns= "http://www.w3.org/1999/xhtml" > <head> <meta http-equiv= "content-type" content= "text/html; charset=utf-8" /> <title>php文件上传</title> </head> <body> <form action= "uploadsir.php" method= "post" enctype= "multipart/form-data" ><input name= "filedata" type= "file" id= "filedata" /> <input type= "submit" name= "submit" value= "上传" /></form> <?php if (! $_post ) die (); $state =uploadfile( 'filedata' ); if ( $state [ 'err' ]){ die ( '<script>alert("上传出错：' . $state [ 'msg' ]. '");history.go(-1);</script>' ); } echo '<object type="application/x-shockwave-flash" data="template/images/copy.swf?u=' .weburl. $state [ 'msg' ].'" width= "100" height= "40" > <param name= "movie" value= "copy.swf?u='.weburl.$state['msg'].'" />'; function uploadfile( $inputname ) { $immediate = $_get [ 'immediate' ]; $attachdir = 'pictures' ; //上传文件保存路径，结尾不要带/ $urldir = "pictures" ; $dirtype =2; //1:按天存入目录 2:按月存入目录 3:按扩展名存目录 建议使用按天存 $maxattachsize =2097152; //最大上传大小，默认是2m $upext = 'txt,rar,zip,jpg,jpeg,gif,png,swf,wmv,avi,wma,mp3,mid,jar,jad,exe,html,htm,css,js,doc' ; //上传扩展名 $err = "" ; $msg = "" ; $upfile = $_files [ $inputname ]; if (! empty empty ( $upfile [ 'error' ])) { switch ( $upfile [ 'error' ]) { case '1' : $err = '文件大小超过了php.ini定义的upload_max_filesize值' ; break ; case '2' : $err = '文件大小超过了html定义的max_file_size值' ; break ; case '3' : $err = '文件上传不完全' ; break ; case '4' : $err = '无文件上传' ; break ; case '6' : $err = '缺少临时文件夹' ; break ; case '7' : $err = '写文件失败' ; break ; case '8' : $err = '上传被其它扩展中断' ; break ; case '999' : default : $err = '无有效错误代码' ; } } elseif ( empty empty ( $upfile [ 'tmp_name' ]) || $upfile [ 'tmp_name' ] == 'none' ) $err = '无文件上传' ; else { $temppath = $upfile [ 'tmp_name' ]; $fileinfo = pathinfo ( $upfile [ 'name' ]); $extension = $fileinfo [ 'extension' ]; if (preg_match( '/' . str_replace ( ',' , '|' , $upext ). '/i' , $extension )) { $filesize = filesize ( $temppath ); if ( $filesize > $maxattachsize ) $err = '文件大小超过' . $maxattachsize . '字节' ; else { switch ( $dirtype ) { case 1: $attach_subdir = 'day_' . date ( 'ymd' ); break ; case 2: $attach_subdir = 'month_' . date ( 'ym' ); break ; case 3: $attach_subdir = 'ext_' . $extension ; break ; } $attach_dir = $attachdir . '/' . $attach_subdir ; if (! is_dir ( $attach_dir )) { @ mkdir ( $attach_dir , 0777); @fclose( fopen ( $attach_dir . '/index.htm' , 'w' )); } php_version < '4.2.0' && mt_srand((double)microtime() * 1000000); $filename = date ( "ymdhis" ).mt_rand(1000,9999). '.' . $extension ; $target = $urldir . '/' . $attach_subdir . '/' . $filename ; move_uploaded_file( $upfile [ 'tmp_name' ], $target ); if ( $immediate == '1' ) $target = '!' . $target ; $msg = str_replace ( '' , "" , $target ); } //开源代码phpfensi.com } else $err = '上传文件扩展名必需为：' . $upext ; @unlink( $temppath ); } return array ( 'err' => $err , 'msg' => $msg ); } ?> </body> </html>查看更多关于php文件上传简单实例 - php上传下载的详细内容...
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