/**? ?
* 常用工具類? ?
* @author wj? ?
* @date?? 2015-4-15
*/ ?
class Tool { ?
??? /**
???? * js 彈窗并且跳轉(zhuǎn)
???? * @param string $_info
???? * @param string $_url
???? * @return js
???? */ ?
??? static public function alertLocation($_info, $_url) { ?
??????? echo ""; ?
??????? exit(); ?
??? } ?
???? ?
??? /**
???? * js 彈窗返回
???? * @param string $_info
???? * @return js
???? */ ?
??? static public function alertBack($_info) { ?
??????? echo ""; ?
??????? exit(); ?
??? } ?
???? ?
??? /**
???? * 頁面跳轉(zhuǎn)
???? * @param string $url
???? * @return js
???? */ ?
??? static public function headerUrl($url) { ?
??????? echo ""; ?
??????? exit(); ?
??? } ?
???? ?
??? /**
???? * 彈窗關(guān)閉
???? * @param string $_info
???? * @return js
???? */ ?
??? static public function alertClose($_info) { ?
??????? echo ""; ?
??????? exit(); ?
??? } ?
???? ?
??? /**
???? * 彈窗
???? * @param string $_info
???? * @return js
???? */ ?
??? static public function alert($_info) { ?
??????? echo ""; ?
??????? exit(); ?
??? } ?
???? ?
??? /**
???? * 系統(tǒng)基本參數(shù)上傳圖片專用
???? * @param string $_path
???? * @return null
???? */ ?
??? static public function sysUploadImg($_path) { ?
??????? echo ''; ?
??????? echo ''; ?
??????? echo ''; ?
??????? echo ''; ?
??? } ?
???? ?
??? /**
???? * html過濾
???? * @param array|object $_date
???? * @return string
???? */ ?
??? static public function htmlString($_date) { ?
??????? if (is_array($_date)) { ?
??????????? foreach ($_date as $_key=>$_value) { ?
??????????????? $_string[$_key] = Tool::htmlString($_value);? //遞歸 ?
??????????? } ?
??????? } elseif (is_object($_date)) { ?
??????????? foreach ($_date as $_key=>$_value) { ?
??????????????? $_string->$_key = Tool::htmlString($_value);? //遞歸 ?
??????????? } ?
??????? } else { ?
??????????? $_string = htmlspecialchars($_date); ?
??????? } ?
??????? return $_string; ?
??? } ?
???? ?
??? /**
???? * 數(shù)據(jù)庫輸入過濾
???? * @param string $_data
???? * @return string
???? */ ?
??? static public function mysqlString($_data) { ?
??????? $_data = trim($_data); ?
??????? return !GPC ? addcslashes($_data) : $_data; ?
??? } ?
???? ?
??? /**
???? * 清理session
???? */ ?
??? static public function unSession() { ?
??????? if (session_start()) { ?
??????????? session_destroy(); ?
??????? } ?
??? } ?
???? ?
??? /**
???? * 驗證是否為空
???? * @param string $str
???? * @param string $name
???? * @return bool (true or false)
???? */ ?
??? static function validateEmpty($str, $name) { ?
??????? if (empty($str)) { ?
??????????? self::alertBack('警告：' .$name . '不能為空！'); ?
??????? } ?
??? } ?
???? ?
??? /**
???? * 驗證是否相同
???? * @param string $str1
???? * @param string $str2
???? * @param string $alert
???? * @return JS ?
???? */ ?
??? static function validateAll($str1, $str2, $alert) { ?
??????? if ($str1 != $str2) self::alertBack('警告：' .$alert); ?
??? } ?
???? ?
??? /**
???? * 驗證ID
???? * @param Number $id
???? * @return JS
???? */ ?
??? static function validateId($id) { ?
??????? if (empty($id) || !is_numeric($id)) self::alertBack('警告：參數(shù)錯誤！'); ?
??? } ?
???? ?
??? /**
???? * 格式化字符串
???? * @param string $str
???? * @return string
???? */ ?
??? static public function formatStr($str) { ?
??????? $arr = array(' ', ' ', '&', '@', '#', '%',? '\'', '"', '\\', '/', '.', ',', '$', '^', '*', '(', ')', '[', ']', '{', '}', '|', '~', '`', '?', '!', ';', ':', '-', '_', '+', '='); ?
??????? foreach ($arr as $v) { ?
??????????? $str = str_replace($v, '', $str); ?
??????? } ?
??????? return $str; ?
??? } ?
???? ?
??? /**
???? * 格式化時間
???? * @param int $time 時間戳
???? * @return string
???? */ ?
??? static public function formatDate($time='default') { ?
??????? $date = $time == 'default' ? date('Y-m-d H:i:s', time()) : date('Y-m-d H:i:s', $time); ?
??????? return $date; ?
??? } ?
???? ?
??? /**? ?
??? * 獲得真實IP地址? ?
??? * @return string? ?
??? */ ?
??? static public function realIp() {??? ?
??????? static $realip = NULL;??? ?
??????? if ($realip !== NULL) return $realip;?? ?
??????? if (isset($_SERVER)) {?? ?
??????????? if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {??? ?
??????????????? $arr = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);?? ?
??????????????? foreach ($arr AS $ip) {?? ?
??????????????????? $ip = trim($ip);?? ?
??????????????????? if ($ip != 'unknown') {??? ?
??????????????????????? $realip = $ip;??? ?
??????????????????????? break;??? ?
??????????????????? }??? ?
??????????????? }??? ?
??????????? } elseif (isset($_SERVER['HTTP_CLIENT_IP'])) {??? ?
??????????????? $realip = $_SERVER['HTTP_CLIENT_IP'];?? ?
??????????? } else {??? ?
??????????????? if (isset($_SERVER['REMOTE_ADDR'])) {??? ?
??????????????????? $realip = $_SERVER['REMOTE_ADDR'];??? ?
??????????????? } else {??? ?
??????????????????? $realip = '0.0.0.0';??? ?
??????????????? }?? ?
??????????? }?? ?
??????? } else {?? ?
??????????? if (getenv('HTTP_X_FORWARDED_FOR')) {?? ?
??????????????? $realip = getenv('HTTP_X_FORWARDED_FOR');?? ?
??????????? } elseif (getenv('HTTP_CLIENT_IP')) {?? ?
??????????????? $realip = getenv('HTTP_CLIENT_IP');?? ?
??????????? } else {?? ?
??????????????? $realip = getenv('REMOTE_ADDR');?? ?
??????????? }?? ?
??????? } ?
??????? preg_match('/[\d\.]{7,15}/', $realip, $onlineip);?? ?
??????? $realip = !empty($onlineip[0]) ? $onlineip[0] : '0.0.0.0';?? ?
??????? return $realip;?? ?
??? } ?
???? ?
??? /**
???? * 加載 Smarty 模板
???? * @param string $html
???? * @return null;
???? */ ?
??? static public function display() { ?
??????? global $tpl;$html = null; ?
??????? $htmlArr = explode('/', $_SERVER[SCRIPT_NAME]); ?
??????? $html = str_ireplace('.php', '.html', $htmlArr[count($htmlArr)-1]); ?
??????? $dir = dirname($_SERVER[SCRIPT_NAME]); ?
??????? $firstStr = substr($dir, 0, 1); ?
??????? $endStr = substr($dir, strlen($dir)-1, 1); ?
??????? if ($firstStr == '/' || $firstStr == '\\') $dir = substr($dir, 1); ?
??????? if ($endStr != '/' || $endStr != '\\') $dir = $dir . '/'; ?
??????? $tpl->display($dir.$html); ?
??? } ?
???? ?
??? /**
???? * 創(chuàng)建目錄
???? * @param string $dir
???? */ ?
??? static public function createDir($dir) { ?
??????? if (!is_dir($dir)) { ?
??????????? mkdir($dir, 0777); ?
??????? } ?
??? } ?
???? ?
??? /**
???? * 創(chuàng)建文件（默認(rèn)為空）
???? * @param unknown_type $filename
???? */ ?
??? static public function createFile($filename) { ?
??????? if (!is_file($filename)) touch($filename); ?
??? } ?
???? ?
??? /**
???? * 正確獲取變量
???? * @param string $param
???? * @param string $type
???? * @return string
???? */ ?
??? static public function getData($param, $type='post') { ?
??????? $type = strtolower($type); ?
??????? if ($type=='post') { ?
??????????? return Tool::mysqlString(trim($_POST[$param])); ?
??????? } elseif ($type=='get') { ?
??????????? return Tool::mysqlString(trim($_GET[$param])); ?
??????? } ?
??? } ?
???? ?
??? /**
???? * 刪除文件
???? * @param string $filename
???? */ ?
??? static public function delFile($filename) { ?
??????? if (file_exists($filename)) unlink($filename); ?
??? } ?
???? ?
??? /**
???? * 刪除目錄
???? * @param string $path
???? */ ?
??? static public function delDir($path) { ?
??????? if (is_dir($path)) rmdir($path); ?
??? } ?
???? ?
??? /**
???? * 刪除目錄及地下的全部文件
???? * @param string $dir
???? * @return bool
???? */ ?
??? static public function delDirOfAll($dir) { ?
??????? //先刪除目錄下的文件： ?
??????? if (is_dir($dir)) { ?
??????????? $dh=opendir($dir); ?
??????????? while (!!$file=readdir($dh)) { ?
??????????????? if($file!="." && $file!="..") { ?
??????????????????? $fullpath=$dir."/".$file; ?
??????????????????? if(!is_dir($fullpath)) { ?
??????????????????????? unlink($fullpath); ?
??????????????????? } else { ?
??????????????????????? self::delDirOfAll($fullpath); ?
??????????????????? } ?
??????????????? } ?
??????????? } ?
??????????? closedir($dh); ?
??????????? //刪除當(dāng)前文件夾： ?
??????????? if(rmdir($dir)) { ?
??????????????? return true; ?
??????????? } else { ?
??????????????? return false; ?
??????????? } ?
??????? } ?
??? } ?
?
??? /**
???? * 驗證登陸
???? */ ?
??? static public function validateLogin() { ?
??????? if (empty($_SESSION['admin']['user'])) header('Location:/admin/'); ?
??? } ?
???? ?
??? /**
???? * 給已經(jīng)存在的圖片添加水印
???? * @param string $file_path
???? * @return bool
???? */ ?
??? static public function addMark($file_path) { ?
??????? if (file_exists($file_path) && file_exists(MARK)) { ?
??????????? //求出上傳圖片的名稱后綴 ?
??????????? $ext_name = strtolower(substr($file_path, strrpos($file_path, '.'), strlen($file_path))); ?
??????????? //$new_name='jzy_' . time() . rand(1000,9999) . $ext_name ; ?
??????????? $store_path = ROOT_PATH . UPDIR; ?
??????????? //求上傳圖片高寬 ?
??????????? $imginfo = getimagesize($file_path); ?
??????????? $width = $imginfo[0]; ?
??????????? $height = $imginfo[1]; ?
???????????? //添加圖片水印????????????? ?
??????????? switch($ext_name) { ?
??????????????? case '.gif': ?
??????????????????? $dst_im = imagecreatefromgif($file_path); ?
??????????????????? break; ?
??????????????? case '.jpg': ?
??????????????????? $dst_im = imagecreatefromjpeg($file_path); ?
??????????????????? break; ?
??????????????? case '.png': ?
??????????????????? $dst_im = imagecreatefrompng($file_path); ?
??????????????????? break; ?
??????????? } ?
??????????? $src_im = imagecreatefrompng(MARK); ?
??????????? //求水印圖片高寬 ?
??????????? $src_imginfo = getimagesize(MARK); ?
??????????? $src_width = $src_imginfo[0]; ?
??????????? $src_height = $src_imginfo[1]; ?
??????????? //求出水印圖片的實際生成位置 ?
??????????? $src_x = $width - $src_width - 10; ?
??????????? $src_y = $height - $src_height - 10; ?
??????????? //新建一個真彩色圖像 ?
??????????? $nimage = imagecreatetruecolor($width, $height);??????????????? ?
??????????? //拷貝上傳圖片到真彩圖像 ?
??????????? imagecopy($nimage, $dst_im, 0, 0, 0, 0, $width, $height);?????????? ?
??????????? //按坐標(biāo)位置拷貝水印圖片到真彩圖像上 ?
??????????? imagecopy($nimage, $src_im, $src_x, $src_y, 0, 0, $src_width, $src_height); ?
??????????? //分情況輸出生成后的水印圖片 ?
??????????? switch($ext_name) { ?
??????????????? case '.gif': ?
??????????????????? imagegif($nimage, $file_path); ?
??????????????????? break; ?
??????????????? case '.jpg': ?
??????????????????? imagejpeg($nimage, $file_path); ?
??????????????????? break; ?
??????????????? case '.png': ?
??????????????????? imagepng($nimage, $file_path); ?
??????????????????? break;????? ?
??????????? } ?
??????????? //釋放資源? ?
??????????? imagedestroy($dst_im); ?
??????????? imagedestroy($src_im); ?
??????????? unset($imginfo); ?
??????????? unset($src_imginfo); ?
??????????? //移動生成后的圖片 ?
??????????? @move_uploaded_file($file_path, ROOT_PATH.UPDIR . $file_path); ?
??????? } ?
??? } ?
???? ?
??? /**
??? *? 中文截取2，單字節(jié)截取模式
??? * @access public
??? * @param string $str? 需要截取的字符串
??? * @param int $slen? 截取的長度
??? * @param int $startdd? 開始標(biāo)記處
??? * @return string
??? */ ?
??? static public function cn_substr($str, $slen, $startdd=0){ ?
??????? $cfg_soft_lang = PAGECHARSET; ?
??????? if($cfg_soft_lang=='utf-8') { ?
??????????? return self::cn_substr_utf8($str, $slen, $startdd); ?
??????? } ?
??????? $restr = ''; ?
??????? $c = ''; ?
??????? $str_len = strlen($str); ?
??????? if($str_len ??????????? return ''; ?
??????? } ?
??????? if($str_len ??????????? $slen = $str_len - $startdd; ?
??????? } ?
??????? $enddd = $startdd + $slen - 1; ?
??????? for($i=0;$i ??????????? if($startdd==0) { ?
??????????????? $restr .= $c; ?
??????????? } elseif($i > $startdd) { ?
??????????????? $restr .= $c; ?
??????????? } ?
??????????? if(ord($str[$i])>0x80) { ?
??????????????? if($str_len>$i+1) { ?
??????????????????? $c = $str[$i].$str[$i+1]; ?
??????????????? } ?
??????????????? $i++; ?
??????????? } else { ?
??????????????? $c = $str[$i]; ?
??????????? } ?
??????????? if($i >= $enddd) { ?
??????????????? if(strlen($restr)+strlen($c)>$slen) { ?
??????????????????? break; ?
??????????????? } else { ?
??????????????????? $restr .= $c; ?
??????????????????? break; ?
??????????????? } ?
??????????? } ?
??????? } ?
??????? return $restr; ?
??? } ?
?
??? /**
??? *? utf-8中文截取，單字節(jié)截取模式
??? *
??? * @access public
??? * @param string $str 需要截取的字符串
??? * @param int $slen 截取的長度
??? * @param int $startdd 開始標(biāo)記處
??? * @return string
??? */ ?
??? static public function cn_substr_utf8($str, $length, $start=0) { ?
??????? if(strlen($str) ??????????? return ''; ?
??????? } ?
??????? preg_match_all("/./su", $str, $ar); ?
??????? $str = ''; ?
??????? $tstr = ''; ?
??????? //為了兼容mysql4.1以下版本,與數(shù)據(jù)庫varchar一致,這里使用按字節(jié)截取 ?
??????? for($i=0; isset($ar[0][$i]); $i++) { ?
??????????? if(strlen($tstr) ??????????????? $tstr .= $ar[0][$i]; ?
??????????? } else { ?
??????????????? if(strlen($str) ??????????????????? $str .= $ar[0][$i]; ?
??????????????? } else { ?
??????????????????? break; ?
??????????????? } ?
??????????? } ?
??????? } ?
??????? return $str; ?
??? } ?
???? ?
??? /**
???? * 刪除圖片，根據(jù)圖片ID
???? * @param int $image_id
???? */ ?
??? static function delPicByImageId($image_id) { ?
??????? $db_name = PREFIX . 'images i'; ?
??????? $m = new Model(); ?
??????? $data = $m->getOne($db_name, "i.id={$image_id}", "i.path as p, i.big_img as b, i.small_img as s"); ?
??????? foreach ($data as $v) { ?
??????????? @self::delFile(ROOT_PATH . $v['p']); ?
??????????? @self::delFile(ROOT_PATH . $v['b']); ?
??????????? @self::delFile(ROOT_PATH . $v['s']); ?
??????? } ?
??????? $m->del(PREFIX . 'images', "id={$image_id}"); ?
??????? unset($m); ?
??? } ?
???? ?
??? /**
???? * 圖片等比例縮放
???? * @param resource $im??? 新建圖片資源(imagecreatefromjpeg/imagecreatefrompng/imagecreatefromgif)
???? * @param int $maxwidth?? 生成圖像寬
???? * @param int $maxheight? 生成圖像高
???? * @param string $name??? 生成圖像名稱
???? * @param string $filetype文件類型(.jpg/.gif/.png)
???? */ ?
??? static public function resizeImage($im, $maxwidth, $maxheight, $name, $filetype) { ?
??????? $pic_width = imagesx($im); ?
??????? $pic_height = imagesy($im); ?
??????? if(($maxwidth && $pic_width > $maxwidth) || ($maxheight && $pic_height > $maxheight)) { ?
??????????? if($maxwidth && $pic_width>$maxwidth) { ?
??????????????? $widthratio = $maxwidth/$pic_width; ?
??????????????? $resizewidth_tag = true; ?
??????????? } ?
??????????? if($maxheight && $pic_height>$maxheight) { ?
??????????????? $heightratio = $maxheight/$pic_height; ?
??????????????? $resizeheight_tag = true; ?
??????????? } ?
??????????? if($resizewidth_tag && $resizeheight_tag) { ?
??????????????? if($widthratio ??????????????????? $ratio = $widthratio; ?
??????????????? else ?
??????????????????? $ratio = $heightratio; ?
??????????? } ?
??????????? if($resizewidth_tag && !$resizeheight_tag) ?
??????????????? $ratio = $widthratio; ?
??????????? if($resizeheight_tag && !$resizewidth_tag) ?
??????????????? $ratio = $heightratio; ?
??????????? $newwidth = $pic_width * $ratio; ?
??????????? $newheight = $pic_height * $ratio; ?
??????????? if(function_exists("imagecopyresampled")) { ?
??????????????? $newim = imagecreatetruecolor($newwidth,$newheight); ?
??????????????? imagecopyresampled($newim,$im,0,0,0,0,$newwidth,$newheight,$pic_width,$pic_height); ?
??????????? } else { ?
??????????????? $newim = imagecreate($newwidth,$newheight); ?
??????????????? imagecopyresized($newim,$im,0,0,0,0,$newwidth,$newheight,$pic_width,$pic_height); ?
??????????? } ?
??????????? $name = $name.$filetype; ?
??????????? imagejpeg($newim,$name); ?
??????????? imagedestroy($newim); ?
??????? } else { ?
??????????? $name = $name.$filetype; ?
??????????? imagejpeg($im,$name); ?
??????? } ?
??? } ?
?
??? /**
???? * 下載文件
???? * @param string $file_path 絕對路徑
???? */ ?
??? static public function downFile($file_path) { ?
??????? //判斷文件是否存在 ?
??????? $file_path = iconv('utf-8', 'gb2312', $file_path); //對可能出現(xiàn)的中文名稱進(jìn)行轉(zhuǎn)碼 ?
??????? if (!file_exists($file_path)) { ?
??????????? exit('文件不存在！'); ?
??????? } ?
??????? $file_name = basename($file_path); //獲取文件名稱 ?
??????? $file_size = filesize($file_path); //獲取文件大小 ?
??????? $fp = fopen($file_path, 'r'); //以只讀的方式打開文件 ?
??????? header("Content-type: application/octet-stream"); ?
??????? header("Accept-Ranges: bytes"); ?
??????? header("Accept-Length: {$file_size}"); ?
??????? header("Content-Disposition: attachment;filename={$file_name}"); ?
??????? $buffer = 1024; ?
??????? $file_count = 0; ?
??????? //判斷文件是否結(jié)束 ?
??????? while (!feof($fp) && ($file_size-$file_count>0)) { ?
??????????? $file_data = fread($fp, $buffer); ?
??????????? $file_count += $buffer; ?
??????????? echo $file_data; ?
??????? } ?
??????? fclose($fp); //關(guān)閉文件 ?
??? } ?
}