PHP上传类太多,这里提供一个简单的php文件上传,一个文件就可以搞定上传。
把下面代码另存为uploads.php
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function file_list($dir,$pattern=""){??
??? $arr=array();??
??? $dir_handle=opendir($dir);??
??? if($dir_handle){??
??????? while(($file=readdir($dir_handle))!==false){??
??????????? if($file==='.' || $file==='..'){??
??????????????? continue;??
??????????? }??
??????????? $tmp=realpath($dir.'//m.sbmmt.com/m/'.$file);??
??????????? if(is_dir($tmp)){??
??????????????? $retArr=file_list($tmp,$pattern);??
??????????????? if(!empty($retArr)){??
??????????????????? $arr[]=$retArr;??
??????????????? }??
??????????? } else {??
??????????????? if($pattern==="" || preg_match($pattern,$tmp)){??
??????????????????? $arr[]=$tmp;??
??????????????? }??
??????????? }??
??????? }??
??????? closedir($dir_handle);??
??? }??
??? return $arr;??
}??
$d_root = $_SERVER['DOCUMENT_ROOT'];??
$store_dir = "$d_root/uploads/";// 上传文件的储存位置??
if (!is_dir($store_dir)) {??
??? mkdir($store_dir,0777,true);??
}??
$file_arr = file_list($store_dir);??
foreach ($file_arr as $v=>$k) {??
??? $d_root_no = strlen($d_root);??
??? $l = substr($k,$d_root_no);??
??? echo $v.'号文件下载地址为:? '.$_SERVER['SERVER_ADDR'].$l.'
';??
}??
$upload_file=isset($_FILES['upload_file']['tmp_name'])?$_FILES['upload_file']['tmp_name']:'';??
$upload_file_name=isset($_FILES['upload_file']['name'])?$_FILES['upload_file']['name']:'';??
$upload_file_size=isset($_FILES['upload_file']['size'])?$_FILES['upload_file']['size']:'';??
if($upload_file){??
??? $file_size_max = 1000*1000*200;// 200M限制文件上传最大容量(bytes)??
??? if (!is_dir($store_dir)) { ?// www.jbxue.com
??????? mkdir($store_dir,0777,true);??
??? }??
??? $accept_overwrite = 1;//是否允许覆盖相同文件??
??? // 检查文件大小??
??? if ($upload_file_size > $file_size_max) {??
??????? echo "对不起,你的文件容量大于规定";??
??????? exit;??
??? }??
??? // 检查读写文件??
??? if (file_exists($store_dir . $upload_file_name) && !$accept_overwrite) {??
??????? echo "存在相同文件名的文件";??
??????? exit;??
??? }??
??? //复制文件到指定目录??
??? if (!move_uploaded_file($upload_file,$store_dir.$upload_file_name)) {??
??????? echo "复制文件失败";??
??????? exit;??
??? }??
}??
if (isset($_FILES['upload_file'])) {??
??? echo "
你上传了文件:";??
??? echo isset($_FILES['upload_file']['name'])?$_FILES['upload_file']['name']:'';??
??? echo "
";??
??? //客户端机器文件的原名称。??
??? echo "文件的 MIME 类型为:";??
??? echo isset($_FILES['upload_file']['type'])?$_FILES['upload_file']['type']:'';??
??? //文件的 MIME 类型,需要浏览器提供该信息的支持,例如“image/gif”。??
??? echo "
";??
??? echo "上传文件大小:";??
??? echo isset($_FILES['upload_file']['size'])?$_FILES['upload_file']['size']:'';??
??? //已上传文件的大小,单位为字节。??
??? echo "
";??
??? echo "文件上传后被临时储存为:";??
??? echo isset($_FILES['upload_file']['tmp_name'])?$_FILES['upload_file']['tmp_name']:'';??
??? //文件被上传后在服务端储存的临时文件名。??
??? $erroe = isset($_FILES['upload_file']['error'])?$_FILES['upload_file']['error']:'';??
??? switch($erroe){??
??? case 0:??
??????? echo "上传成功"; break;??
??? case 1:??
??????? echo "上传的文件超过了 php.ini 中 upload_max_filesize 选项限制的值."; break;??
??? case 2:??
??????? echo "上传文件的大小超过了 HTML 表单中 MAX_FILE_SIZE 选项指定的值。"; break;??
??? case 3:??
??????? echo "文件只有部分被上传"; break;??
??? case 4:??
??????? echo "没有文件被上传"; break;??
??? case 6:??
??????? echo "没有缓存目录"; break;??
??? case 7:??
??????? echo "上传目录不可读"; break;??
??? case 8:??
??????? echo "上传停止"; break;??
??? default :??
??????? echo "没有选择上传文件"; break;??
??? }??
??? echo "";??
}??
?>??
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