时间：2021-07-01 10:21:17 帮助过：25人阅读
php常用接口数据过滤的方法总结
<?php/**
* global.func.php 公共函数库
*//**
* 返回经addslashes处理过的字符串或数组
* @param $string 需要处理的字符串或数组
* @return mixed
*/function new_addslashes($string){
if(!is_array($string)) return addslashes($string);
foreach($string as $key => $val) $string[$key] = new_addslashes($val);
return $string;
}/**
* 返回经stripslashes处理过的字符串或数组
* @param $string 需要处理的字符串或数组
* @return mixed
*/function new_stripslashes($string) {
if(!is_array($string)) return stripslashes($string);
foreach($string as $key => $val) $string[$key] = new_stripslashes($val);
return $string;
}/**
* 返回经htmlspecialchars处理过的字符串或数组
* @param $obj 需要处理的字符串或数组
* @return mixed
*/function new_html_special_chars($string) {
$encoding = 'utf-8';
if(strtolower(CHARSET)=='gbk') $encoding = 'ISO-8859-15';
if(!is_array($string)) return htmlspecialchars($string,ENT_QUOTES,$encoding);
foreach($string as $key => $val) $string[$key] = new_html_special_chars($val);
return $string;
}function new_html_entity_decode($string) {
$encoding = 'utf-8';
if(strtolower(CHARSET)=='gbk') $encoding = 'ISO-8859-15';
return html_entity_decode($string,ENT_QUOTES,$encoding);
}function new_htmlentities($string) {
$encoding = 'utf-8';
if(strtolower(CHARSET)=='gbk') $encoding = 'ISO-8859-15';
return htmlentities($string,ENT_QUOTES,$encoding);
}/**
* 安全过滤函数
*
* @param $string
* @return string
*/function safe_replace($string) {
$string = str_replace('%20','',$string);
$string = str_replace('%27','',$string);
$string = str_replace('%2527','',$string);
$string = str_replace('*','',$string);
$string = str_replace('"','"',$string);
$string = str_replace("'",'',$string);
$string = str_replace('"','',$string);
$string = str_replace(';','',$string);
$string = str_replace('<','<',$string);
$string = str_replace('>','>',$string);
$string = str_replace("{",'',$string);
$string = str_replace('}','',$string);
$string = str_replace('\\','',$string);
return $string;
}
/**
* xss过滤函数
*
* @param $string
* @return string
*/function remove_xss($string) {
$string = preg_replace('/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]+/S', '', $string);
$parm1 = Array('javascript', 'vbscript', 'expression', 'applet', 'meta', 'xml', 'blink', 'link', 'script', 'embed', 'object', 'iframe', 'frame', 'frameset', 'ilayer', 'layer', 'bgsound', 'title', 'base'); $parm2 = Array('onabort', 'onactivate', 'onafterprint', 'onafterupdate', 'onbeforeactivate', 'onbeforecopy', 'onbeforecut', 'onbeforedeactivate', 'onbeforeeditfocus', 'onbeforepaste', 'onbeforeprint', 'onbeforeunload', 'onbeforeupdate', 'onblur', 'onbounce', 'oncellchange', 'onchange', 'onclick', 'oncontextmenu', 'oncontrolselect', 'oncopy', 'oncut', 'ondataavailable', 'ondatasetchanged', 'ondatasetcomplete', 'ondblclick', 'ondeactivate', 'ondrag', 'ondragend', 'ondragenter', 'ondragleave', 'ondragover', 'ondragstart', 'ondrop', 'onerror', 'onerrorupdate', 'onfilterchange', 'onfinish', 'onfocus', 'onfocusin', 'onfocusout', 'onhelp', 'onkeydown', 'onkeypress', 'onkeyup', 'onlayoutcomplete', 'onload', 'onlosecapture', 'onmousedown', 'onmouseenter', 'onmouseleave', 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'onmousewheel', 'onmove', 'onmoveend', 'onmovestart', 'onpaste', 'onpropertychange', 'onreadystatechange', 'onreset', 'onresize', 'onresizeend', 'onresizestart', 'onrowenter', 'onrowexit', 'onrowsdelete', 'onrowsinserted', 'onscroll', 'onselect', 'onselectionchange', 'onselectstart', 'onstart', 'onstop', 'onsubmit', 'onunload'); $parm = array_merge($parm1, $parm2);
for ($i = 0; $i < sizeof($parm); $i++) {
$pattern = '/';
for ($j = 0; $j < strlen($parm[$i]); $j++) {
if ($j > 0) {
$pattern .= '(';
$pattern .= '(&#[x|X]0([9][a][b]);?)?';
$pattern .= '|(�([9][10][13]);?)?';
$pattern .= ')?';
} $pattern .= $parm[$i][$j];
} $pattern .= '/i';
$string = preg_replace($pattern, ' ', $string);
} return $string;
}/**
* 过滤ASCII码从0-28的控制字符
* @return String
*/function trim_unsafe_control_chars($str) {
$rule = '/[' . chr ( 1 ) . '-' . chr ( 8 ) . chr ( 11 ) . '-' . chr ( 12 ) . chr ( 14 ) . '-' . chr ( 31 ) . ']*/'; return str_replace ( chr ( 0 ), '', preg_replace ( $rule, '', $str ) );
}/**
* 格式化文本域内容
*
* @param $string 文本域内容
* @return string
*/function trim_textarea($string) {
$string = nl2br ( str_replace ( ' ', ' ', $string ) ); return $string;
}/**
* 将文本格式成适合js输出的字符串
* @param string $string 需要处理的字符串
* @param intval $isjs 是否执行字符串格式化，默认为执行
* @return string 处理后的字符串
*/function format_js($string, $isjs = 1) {
$string = addslashes(str_replace(array("\r", "\n", "\t"), array('', '', ''), $string));
return $isjs ? 'document.write("'.$string.'");' : $string;
}/**
* 转义 javascript 代码标记
*
* @param $str
* @return mixed
*/
function trim_script($str) {
if(is_array($str)){
foreach ($str as $key => $val){
$str[$key] = trim_script($val);
}
}else{
$str = preg_replace ( '/\<([\/]?)script([^\>]*?)\>/si', '<\\1script\\2>', $str );
$str = preg_replace ( '/\<([\/]?)iframe([^\>]*?)\>/si', '<\\1iframe\\2>', $str );
$str = preg_replace ( '/\<([\/]?)frame([^\>]*?)\>/si', '<\\1frame\\2>', $str );
$str = str_replace ( 'javascript:', 'javascript：', $str );
} return $str;
}/**
* 获取当前页面完整URL地址
*/function get_url() {
$sys_protocal = isset($_SERVER['SERVER_PORT']) && $_SERVER['SERVER_PORT'] == '443' ? 'https://' : 'http://';
$php_self = $_SERVER['PHP_SELF'] ? safe_replace($_SERVER['PHP_SELF']) : safe_replace($_SERVER['SCRIPT_NAME']);
$path_info = isset($_SERVER['PATH_INFO']) ? safe_replace($_SERVER['PATH_INFO']) : '';
$relate_url = isset($_SERVER['REQUEST_URI']) ? safe_replace($_SERVER['REQUEST_URI']) : $php_self.(isset($_SERVER['QUERY_STRING']) ? '?'.safe_replace($_SERVER['QUERY_STRING']) : $path_info); return $sys_protocal.(isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : '').$relate_url;
}/**
* 字符截取 支持UTF8/GBK
* @param $string
* @param $length
* @param $dot
*/function str_cut($string, $length, $dot = '...') {
$strlen = strlen($string);
if($strlen <= $length) return $string;
$string = str_replace(array(' ',' ', '&', '"', ''', '“', '”', '—', '<', '>', '·', '…'), array('∵',' ', '&', '"', "'", '“', '”', '—', '<', '>', '·', '…'), $string);
$strcut = '';
if(strtolower(CHARSET) == 'utf-8') {
$length = intval($length-strlen($dot)-$length/3);
$n = $tn = $noc = 0;
while($n < strlen($string)) {
$t = ord($string[$n]);
if($t == 9 || $t == 10 || (32 <= $t && $t <= 126)) {
$tn = 1; $n++; $noc++;
} elseif(194 <= $t && $t <= 223) {
$tn = 2; $n += 2; $noc += 2;
} elseif(224 <= $t && $t <= 239) {
$tn = 3; $n += 3; $noc += 2;
} elseif(240 <= $t && $t <= 247) {
$tn = 4; $n += 4; $noc += 2;
} elseif(248 <= $t && $t <= 251) {
$tn = 5; $n += 5; $noc += 2;
} elseif($t == 252 || $t == 253) {
$tn = 6; $n += 6; $noc += 2;
} else {
$n++;
}
if($noc >= $length) {
break;
}
}
if($noc > $length) {
$n -= $tn;
}
$strcut = substr($string, 0, $n);
$strcut = str_replace(array('∵', '&', '"', "'", '“', '”', '—', '<', '>', '·', '…'), array(' ', '&', '"', ''', '“', '”', '—', '<', '>', '·', '…'), $strcut);
} else {
$dotlen = strlen($dot);
$maxi = $length - $dotlen - 1;
$current_str = '';
$search_arr = array('&',' ', '"', "'", '“', '”', '—', '<', '>', '·', '…','∵');
$replace_arr = array('&',' ', '"', ''', '“', '”', '—', '<', '>', '·', '…',' ');
$search_flip = array_flip($search_arr); for ($i = 0; $i < $maxi; $i++) {
$current_str = ord($string[$i]) > 127 ? $string[$i].$string[++$i] : $string[$i];
if (in_array($current_str, $search_arr)) {
$key = $search_flip[$current_str];
$current_str = str_replace($search_arr[$key], $replace_arr[$key], $current_str);
}
$strcut .= $current_str;
}
} return $strcut.$dot;
}/**
* 获取请求ip
*
* @return ip地址
*/function ip() {
if(getenv('HTTP_CLIENT_IP') && strcasecmp(getenv('HTTP_CLIENT_IP'), 'unknown')) {
$ip = getenv('HTTP_CLIENT_IP');
} elseif(getenv('HTTP_X_FORWARDED_FOR') && strcasecmp(getenv('HTTP_X_FORWARDED_FOR'), 'unknown')) {
$ip = getenv('HTTP_X_FORWARDED_FOR');
} elseif(getenv('REMOTE_ADDR') && strcasecmp(getenv('REMOTE_ADDR'), 'unknown')) {
$ip = getenv('REMOTE_ADDR');
} elseif(isset($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER['REMOTE_ADDR'], 'unknown')) {
$ip = $_SERVER['REMOTE_ADDR'];
} return preg_match ( '/[\d\.]{7,15}/', $ip, $matches ) ? $matches [0] : '';
}function get_cost_time() {
$microtime = microtime ( TRUE );
return $microtime - SYS_START_TIME;
}/**
* 程序执行时间
*
* @return int 单位ms
*/function execute_time() {
$stime = explode ( ' ', SYS_START_TIME );
$etime = explode ( ' ', microtime () );
return number_format ( ($etime [1] + $etime [0] - $stime [1] - $stime [0]), 6 );
}
/**
* 将字符串转换为数组
*
* @param string $data 字符串
* @return array 返回数组格式，如果，data为空，则返回空数组
*/function string2array($data) {
if($data == '') return array(); $data = stripslashes($data);
@eval("\$array = $data;"); return $array;
}/**
* 将数组转换为字符串
*
* @param array $data 数组
* @param bool $isformdata 如果为0，则不使用new_stripslashes处理，可选参数，默认为1
* @return string 返回字符串，如果，data为空，则返回空
*/function array2string($data, $isformdata = 1) {
if($data == '') return '';
if($isformdata) $data = new_stripslashes($data);
return addslashes(var_export($data, TRUE));
}
/**
* 转换字节数为其他单位
*
*
* @param string $filesize 字节大小
* @return string 返回大小
*/function sizecount($filesize) {
if ($filesize >= 1073741824) { $filesize = round($filesize / 1073741824 * 100) / 100 .' GB';
} elseif ($filesize >= 1048576) { $filesize = round($filesize / 1048576 * 100) / 100 .' MB';
} elseif($filesize >= 1024) { $filesize = round($filesize / 1024 * 100) / 100 . ' KB';
} else { $filesize = $filesize.' Bytes';
} return $filesize;
}/**
* 字符串加密、解密函数
*
*
* @param string $txt 字符串
* @param string $operation ENCODE为加密，DECODE为解密，可选参数，默认为ENCODE，
* @param string $key 密钥：数字、字母、下划线
* @param string $expiry 过期时间
* @return string
*/function sys_auth($string, $operation = 'ENCODE', $key = '', $expiry = 0) {
$key_length = 4; $key = md5($key != '' ? $key : app_base::load_config('system', 'auth_key')); $fixedkey = md5($key); $egiskeys = md5(substr($fixedkey, 16, 16)); $runtokey = $key_length ? ($operation == 'ENCODE' ? substr(md5(microtime(true)), -$key_length) : substr($string, 0, $key_length)) : ''; $keys = md5(substr($runtokey, 0, 16) . substr($fixedkey, 0, 16) . substr($runtokey, 16) . substr($fixedkey, 16)); $string = $operation == 'ENCODE' ? sprintf('%010d', $expiry ? $expiry + time() : 0).substr(md5($string.$egiskeys), 0, 16) . $string : base64_decode(substr($string, $key_length)); $i = 0; $result = ''; $string_length = strlen($string); for ($i = 0; $i < $string_length; $i++){ $result .= chr(ord($string{$i}) ^ ord($keys{$i % 32}));
} if($operation == 'ENCODE') { return $runtokey . str_replace('=', '', base64_encode($result));
} else { if((substr($result, 0, 10) == 0 || substr($result, 0, 10) - time() > 0) && substr($result, 10, 16) == substr(md5(substr($result, 26).$egiskeys), 0, 16)) { return substr($result, 26);
} else { return '';
}
}
}/**
* 语言文件处理
*
* @param string $language 标示符
* @param array $pars 转义的数组,二维数组 ,'key1'=>'value1','key2'=>'value2',
* @param string $modules 多个模块之间用半角逗号隔开，如：member,guestbook
* @return string 语言字符
*/function L($language = 'no_language',$pars = array(), $modules = '') {
static $LANG = array(); static $LANG_MODULES = array(); static $lang = ''; if(defined('IN_ADMIN')) { $lang = SYS_STYLE ? SYS_STYLE : 'zh-cn';
} else { $lang = app_base::load_config('system','lang');
} if(!$LANG) { require_once CODE_PATH.'languages'.DIRECTORY_SEPARATOR.$lang.DIRECTORY_SEPARATOR.'system.lang.php'; if(defined('IN_ADMIN')) require_once CODE_PATH.'languages'.DIRECTORY_SEPARATOR.$lang.DIRECTORY_SEPARATOR.'system_menu.lang.php'; if(file_exists(CODE_PATH.'languages'.DIRECTORY_SEPARATOR.$lang.DIRECTORY_SEPARATOR.ROUTE_M.'.lang.php')) require_once CODE_PATH.'languages'.DIRECTORY_SEPARATOR.$lang.DIRECTORY_SEPARATOR.ROUTE_M.'.lang.php';
} if(!empty($modules)) { $modules = explode(',',$modules); foreach($modules AS $m) { if(!isset($LANG_MODULES[$m])) require_once CODE_PATH.'languages'.DIRECTORY_SEPARATOR.$lang.DIRECTORY_SEPARATOR.$m.'.lang.php';
}
} if(!array_key_exists($language,$LANG)) { return $language;
} else { $language = $LANG[$language]; if($pars) { foreach($pars AS $_k=>$_v) { $language = str_replace('{'.$_k.'}',$_v,$language);
}
} return $language;
}
}/**
* 模板调用
*
* @param $module
* @param $template
* @param $istag
* @return unknown_type
*/function template($module = 'content', $template = 'index', $style = '') {
if(strpos($module, 'plugin/')!== false) { $plugin = str_replace('plugin/', '', $module); return p_template($plugin, $template,$style);
} $module = str_replace('/', DIRECTORY_SEPARATOR, $module); if(!empty($style) && preg_match('/([a-z0-9\-_]+)/is',$style)) {
} elseif (empty($style) && !defined('STYLE')) { if(defined('SITEID')) { $siteid = SITEID;
} else { $siteid = param::get_cookie('siteid');
} if (!$siteid) $siteid = 1; $sitelist = getcache('sitelist','commons'); if(!empty($siteid)) { $style = $sitelist[$siteid]['default_style'];
}
} elseif (empty($style) && defined('STYLE')) { $style = STYLE;
} else { $style = 'default';
} if(!$style) $style = 'default'; $template_cache = app_base::load_sys_class('template_cache'); $compiledtplfile = ROOT_PATH.'caches'.DIRECTORY_SEPARATOR.'caches_template'.DIRECTORY_SEPARATOR.$style.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.php'; if(file_exists(CODE_PATH.'templates'.DIRECTORY_SEPARATOR.$style.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.html')) { if(!file_exists($compiledtplfile) || (@filemtime(CODE_PATH.'templates'.DIRECTORY_SEPARATOR.$style.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.html') > @filemtime($compiledtplfile))) { $template_cache->template_compile($module, $template, $style);
}
} else { $compiledtplfile = ROOT_PATH.'caches'.DIRECTORY_SEPARATOR.'caches_template'.DIRECTORY_SEPARATOR.'default'.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.php'; if(!file_exists($compiledtplfile) || (file_exists(CODE_PATH.'templates'.DIRECTORY_SEPARATOR.'default'.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.html') && filemtime(CODE_PATH.'templates'.DIRECTORY_SEPARATOR.'default'.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.html') > filemtime($compiledtplfile))) { $template_cache->template_compile($module, $template, 'default');
} elseif (!file_exists(CODE_PATH.'templates'.DIRECTORY_SEPARATOR.'default'.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.html')) {
showmessage('Template does not exist.'.DIRECTORY_SEPARATOR.$style.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.html');
}
} return $compiledtplfile;
}/**
* 输出自定义错误
*
* @param $errno 错误号
* @param $errstr 错误描述
* @param $errfile 报错文件地址
* @param $errline 错误行号
* @return string 错误提示
*/function my_error_handler($errno, $errstr, $errfile, $errline) {
if($errno==8) return ''; $errfile = str_replace(ROOT_PATH,'',$errfile); if(app_base::load_config('system','errorlog')) {
error_log('<?php exit;?>'.date('m-d H:i:s',SYS_TIME).' | '.$errno.' | '.str_pad($errstr,30).' | '.$errfile.' | '.$errline."\r\n", 3, CACHE_PATH.'error_log.php');
} else { $str = '<p style="font-size:12px;text-align:left; border-bottom:1px solid #9cc9e0; border-right:1px solid #9cc9e0;padding:1px 4px;color:#000000;font-family:Arial, Helvetica,sans-serif;"><span>errorno:' . $errno . ',str:' . $errstr . ',file:<font color="blue">' . $errfile . '</font>,line' . $errline .'<br />Need Help?</span></p>'; echo $str;
}
}/**
* 提示信息页面跳转，跳转地址如果传入数组，页面会提示多个地址供用户选择，默认跳转地址为数组的第一个值，时间为5秒。
* showmessage('登录成功', array('默认跳转地址'=>'http://www.baidu.com'));
* @param string $msg 提示信息
* @param mixed(string/array) $url_forward 跳转地址
* @param int $ms 跳转等待时间
*/function showmessage($msg, $url_forward = 'goback', $ms = 1250, $dialog = '', $returnjs = '') {
if(defined('IN_ADMIN')) { include(admin::admin_tpl('showmessage', 'admin'));
} else { include(template('content', 'message'));
} exit;
}/**
* 查询字符是否存在于某字符串
*
* @param $haystack 字符串
* @param $needle 要查找的字符
* @return bool
*/function str_exists($haystack, $needle){
return !(strpos($haystack, $needle) === FALSE);
}/**
* 取得文件扩展
*
* @param $filename 文件名
* @return 扩展名
*/function fileext($filename) {
return strtolower(trim(substr(strrchr($filename, '.'), 1, 10)));
}/**
* 加载模板标签缓存
* @param string $name 缓存名
* @param integer $times 缓存时间
*/function tpl_cache($name,$times = 0) {
$filepath = 'tpl_data'; $info = getcacheinfo($name, $filepath); if (SYS_TIME - $info['filemtime'] >= $times) { return false;
} else { return getcache($name,$filepath);
}
}/**
* 写入缓存，默认为文件缓存，不加载缓存配置。
* @param $name 缓存名称
* @param $data 缓存数据
* @param $filepath 数据路径（模块名称） caches/cache_$filepath/
* @param $type 缓存类型[file,memcache,apc]
* @param $config 配置名称
* @param $timeout 过期时间
*/function setcache($name, $data, $filepath='', $type='file', $config='', $timeout=0) {
app_base::load_sys_class('cache_factory','',0); if($config) { $cacheconfig = app_base::load_config('cache'); $cache = cache_factory::get_instance($cacheconfig)->get_cache($config);
} else { $cache = cache_factory::get_instance()->get_cache($type);
} return $cache->set($name, $data, $timeout, '', $filepath);
}/**
* 读取缓存，默认为文件缓存，不加载缓存配置。
* @param string $name 缓存名称
* @param $filepath 数据路径（模块名称） caches/cache_$filepath/
* @param string $config 配置名称
*/function getcache($name, $filepath='', $type='file', $config='') {
app_base::load_sys_class('cache_factory','',0); if($config) { $cacheconfig = app_base::load_config('cache'); $cache = cache_factory::get_instance($cacheconfig)->get_cache($config);
} else { $cache = cache_factory::get_instance()->get_cache($type);
} return $cache->get($name, '', '', $filepath);
}//根据行政区划数字获取对应名称名称 如 110101 得到 北京市东城区function get_p($p=''){
if(empty($p)){ return false;
} $regioncode = getcache('1','linkage'); if($regioncode)
{ $l1=substr($p,0,2).'0000'; $L1_n=$regioncode['data'][$l1]['name']; $tb=array('110000','120000','310000','500000'); if(in_array($l1,$tb)){ $l2 = $l1=substr($p,0,2)."0000-r";
}else{ $l2 = substr($p,0,4)."00";
} $L2_n = $regioncode['data'][$l2]['name']; $L3_n = $regioncode['data'][$p]['name']; if($L2_n===$L1_n){ $res_p = $L1_n.$L3_n;
}else{ $res_p = $L1_n.$L2_n.$L3_n;
} return $res_p;
}else{ return '无行政区划地址';
}
}//根据行业类型数字获取对应名称名称 如 $trade=‘1A0112’ 得到 农、林、牧、渔业-农业-谷物及其他作物的种植-薯类的种植function get_trade_category($trade=''){
if(empty($trade)){ return false;
} $trade_category = getcache('3','linkage'); if($trade_category){ $t1=substr($trade,0,2); $T_1=$trade_category['data'][$t1]['name']?$trade_category['data'][$t1]['name']:''; $t2=substr($trade,0,4); $T_2=$trade_category['data'][$t2]['name']?$trade_category['data'][$t2]['name']:''; $t3=substr($trade,0,5); $T_3=$trade_category['data'][$t3]['name']?$trade_category['data'][$t3]['name']:''; $T_4=$trade_category['data'][$trade]['name']?$trade_category['data'][$trade]['name']:''; if($T_3===$T_4){ $res_trade = $T_1.'-'.$T_2.'-'.$T_3;
}else{ $res_trade = $T_1.'-'.$T_2.'-'.$T_3.'-'.$T_4;
} if(empty($res_trade)){ return '行业类型数据不存在';
} return $res_trade;
}else{ return '行业类型数据不存在';
}
}/**
* 删除缓存，默认为文件缓存，不加载缓存配置。
* @param $name 缓存名称
* @param $filepath 数据路径（模块名称） caches/cache_$filepath/
* @param $type 缓存类型[file,memcache,apc]
* @param $config 配置名称
*/function delcache($name, $filepath='', $type='file', $config='') {
app_base::load_sys_class('cache_factory','',0); if($config) { $cacheconfig = app_base::load_config('cache'); $cache = cache_factory::get_instance($cacheconfig)->get_cache($config);
} else { $cache = cache_factory::get_instance()->get_cache($type);
} return $cache->delete($name, '', '', $filepath);
}/**
* 读取缓存，默认为文件缓存，不加载缓存配置。
* @param string $name 缓存名称
* @param $filepath 数据路径（模块名称） caches/cache_$filepath/
* @param string $config 配置名称
*/function getcacheinfo($name, $filepath='', $type='file', $config='') {
app_base::load_sys_class('cache_factory'); if($config) { $cacheconfig = app_base::load_config('cache'); $cache = cache_factory::get_instance($cacheconfig)->get_cache($config);
} else { $cache = cache_factory::get_instance()->get_cache($type);
} return $cache->cacheinfo($name, '', '', $filepath);
}/**
* 生成sql语句，如果传入$in_cloumn 生成格式为 IN('a', 'b', 'c')
* @param $data 条件数组或者字符串
* @param $front 连接符
* @param $in_column 字段名称
* @return string
*/function to_sqls($data, $front = ' AND ', $in_column = false) {
if($in_column && is_array($data)) { $ids = '\''.implode('\',\'', $data).'\''; $sql = "$in_column IN ($ids)"; return $sql;
} else { if ($front == '') { $front = ' AND ';
} if(is_array($data) && count($data) > 0) { $sql = ''; foreach ($data as $key => $val) { $sql .= $sql ? " $front $key = '$val' " : " $key = '$val' ";
} return $sql;
} else { return $data;
}
}
}/**
* 分页函数
*
* @param $num 信息总数
* @param $curr_page 当前分页
* @param $perpage 每页显示数
* @param $urlrule URL规则
* @param $array 需要传递的数组，用于增加额外的方法
* @return 分页
*/function pages($num, $curr_page, $perpage = 20, $urlrule = '', $array = array(),$setpages = 10) {
if(defined('URLRULE') && $urlrule == '') { $urlrule = URLRULE; $array = $GLOBALS['URL_ARRAY'];
} elseif($urlrule == '') { $urlrule = url_par('page={$page}');
} $multipage = ''; if($num > $perpage) { $page = $setpages+1; $offset = ceil($setpages/2-1); $pages = ceil($num / $perpage); if (defined('IN_ADMIN') && !defined('PAGES')) define('PAGES', $pages); $from = $curr_page - $offset; $to = $curr_page + $offset; $more = 0; if($page >= $pages) { $from = 2; $to = $pages-1;
} else { if($from <= 1) { $to = $page-1; $from = 2;
} elseif($to >= $pages) { $from = $pages-($page-2); $to = $pages-1;
} $more = 1;
} //$multipage .= '<a class="a1">'.$num.L('page_item').'</a>';
if($curr_page>0) { $multipage .= ' <a href="'.pageurl($urlrule, $curr_page-1, $array).'" class="a1">'.L('previous').'</a>'; if($curr_page==1) { $multipage .= ' <span>1</span>';
} elseif($curr_page>6 && $more) { $multipage .= ' <a href="'.pageurl($urlrule, 1, $array).'">1</a>..';
} else { $multipage .= ' <a href="'.pageurl($urlrule, 1, $array).'">1</a>';
}
} for($i = $from; $i <= $to; $i++) { if($i != $curr_page) { $multipage .= ' <a href="'.pageurl($urlrule, $i, $array).'">'.$i.'</a>';
} else { $multipage .= ' <span>'.$i.'</span>';
}
} if($curr_page<$pages) { if($curr_page<$pages-5 && $more) { $multipage .= ' ..<a href="'.pageurl($urlrule, $pages, $array).'">'.$pages.'</a> <a href="'.pageurl($urlrule, $curr_page+1, $array).'" class="a1">'.L('next').'</a>';
} else { $multipage .= ' <a href="'.pageurl($urlrule, $pages, $array).'">'.$pages.'</a> <a href="'.pageurl($urlrule, $curr_page+1, $array).'" class="a1">'.L('next').'</a>';
}
} elseif($curr_page==$pages) { $multipage .= ' <span>'.$pages.'</span> <a href="'.pageurl($urlrule, $curr_page, $array).'" class="a1">'.L('next').'</a>';
} else { $multipage .= ' <a href="'.pageurl($urlrule, $pages, $array).'">'.$pages.'</a> <a href="'.pageurl($urlrule, $curr_page+1, $array).'" class="a1">'.L('next').'</a>';
}
} return $multipage;
}function pages1($num, $curr_page, $perpage = 20, $urlrule = '', $array = array(),$setpages = 10) {
if(defined('URLRULE') && $urlrule == '') { $urlrule = URLRULE; $array = $GLOBALS['URL_ARRAY'];
} elseif($urlrule == '') { $urlrule = url_par('page={$page}');
} $multipage = ''; if($num > $perpage) { $page = $setpages+1; $offset = ceil($setpages/2-1); $pages = ceil($num / $perpage); if (defined('IN_ADMIN') && !defined('PAGES')) define('PAGES', $pages); $from = $curr_page - $offset; $to = $curr_page + $offset; $more = 0; if($page >= $pages) { $from = 2; $to = $pages-1;
} else { if($from <= 1) { $to = $page-1; $from = 2;
} elseif($to >= $pages) { $from = $pages-($page-2); $to = $pages-1;
} $more = 1;
} //$multipage .= '<a class="a1">'.$num.L('page_item').'</a>';
if($curr_page>0) { $multipage .= ' <a href="###" onclick="$(\'#page\').val('.($curr_page-1).');$(\'#pageform\').submit();" class="a1">'.L('previous').'</a>'; if($curr_page==1) { $multipage .= ' <span>1</span>';
} elseif($curr_page>6 && $more) { $multipage .= ' <a href="###" onclick="$(\'#page\').val(1);$(\'#pageform\').submit();">1</a>..';
} else { $multipage .= ' <a href="###" onclick="$(\'#page\').val(1);$(\'#pageform\').submit();">1</a>';
}
} for($i = $from; $i <= $to; $i++) { if($i != $curr_page) { $multipage .= ' <a href="###" onclick="$(\'#page\').val('.$i.');$(\'#pageform\').submit();">'.$i.'</a>';
} else { $multipage .= ' <span>'.$i.'</span>';
}
} if($curr_page<$pages) { if($curr_page<$pages-5 && $more) { $multipage .= ' ..<a href="###" onclick="$(\'#page\').val('.$pages.');$(\'#pageform\').submit();">'.$pages.'</a> <a href="###" onclick="$(\'#page\').val('.($curr_page+1).');$(\'#pageform\').submit();" class="a1">'.L('next').'</a>';
} else { $multipage .= ' <a href="###" onclick="$(\'#page\').val('.$pages.');$(\'#pageform\').submit();">'.$pages.'</a> <a href="###" onclick="$(\'#page\').val('.($curr_page+1).');$(\'#pageform\').submit();" class="a1">'.L('next').'</a>';
}
} elseif($curr_page==$pages) { $multipage .= ' <span>'.$pages.'</span> <a href="###" onclick="$(\'#page\').val('.$curr_page.');$(\'#pageform\').submit();" class="a1">'.L('next').'</a>';
} else { $multipage .= ' <a href="###" onclick="$(\'#page\').val('.$pages.');$(\'#pageform\').submit();">'.$pages.'</a> <a href="###" onclick="$(\'#page\').val('.($curr_page+1).');$(\'#pageform\').submit();" class="a1">'.L('next').'</a>';
}
} return $multipage;
}function pages2($num, $curr_page, $pages, $urlrule = '', $array = array(),$setpages = 10) {
if(defined('URLRULE') && $urlrule == '') { $urlrule = URLRULE; $array = $GLOBALS['URL_ARRAY'];
} elseif($urlrule == '') { $urlrule = url_par('page={$page}');
} $multipage = ''; if($pages > 1) { $page = $setpages+1; $offset = ceil($setpages/2-1); if (defined('IN_ADMIN') && !defined('PAGES')) define('PAGES', $pages); $from = $curr_page - $offset; $to = $curr_page + $offset; $more = 0; if($page >= $pages) { $from = 2; $to = $pages-1;
} else { if($from <= 1) { $to = $page-1; $from = 2;
} elseif($to >= $pages) { $from = $pages-($page-2); $to = $pages-1;
} $more = 1;
} //$multipage .= '<a class="a1">'.$num.L('page_item').'</a>';
if($curr_page>0) { $multipage .= ' <a href="###" onclick="$(\'#dosearch\').trigger(\'click\',['.($curr_page-1).']);" class="a1">'.L('previous').'</a>'; if($curr_page==1) { $multipage .= ' <span>1</span>';
} elseif($curr_page>6 && $more) { $multipage .= ' <a href="###" onclick="$(\'#dosearch\').trigger(\'click\',[1]);">1</a>..';
} else { $multipage .= ' <a href="###" onclick="$(\'#dosearch\').trigger(\'click\',[1]);">1</a>';
}
} for($i = $from; $i <= $to; $i++) { if($i != $curr_page) { $multipage .= ' <a href="###" onclick="$(\'#dosearch\').trigger(\'click\',['.$i.']);">'.$i.'</a>';
} else { $multipage .= ' <span>'.$i.'</span>';
}
} if($curr_page<$pages) { if($curr_page<$pages-5 && $more) { $multipage .= ' ..<a href="###" onclick="$(\'#dosearch\').trigger(\'click\',['.$pages.']);">'.$pages.'</a> <a href="###" onclick="$(\'#dosearch\').trigger(\'click\',['.($curr_page+1).']);" class="a1">'.L('next').'</a>';
} else { $multipage .= ' <a href="###" onclick="$(\'#dosearch\').trigger(\'click\',['.$pages.']);">'.$pages.'</a> <a href="###" onclick="$(\'#dosearch\').trigger(\'click\',['.($curr_page+1).']);" class="a1">'.L('next').'</a>';
}
} elseif($curr_page==$pages) { $multipage .= ' <span>'.$pages.'</span> <a href="###" onclick="$(\'#dosearch\').trigger(\'click\',['.($curr_page).']);" class="a1">'.L('next').'</a>';
} else { $multipage .= ' <a href="###" onclick="$(\'#dosearch\').trigger(\'click\',['.$pages.']);">'.$pages.'</a> <a href="###" onclick="$(\'#dosearch\').trigger(\'click\',['.($curr_page+1).']);" class="a1">'.L('next').'</a>';
}
} return $multipage;
}/**
* 返回分页路径
*
* @param $urlrule 分页规则
* @param $page 当前页
* @param $array 需要传递的数组，用于增加额外的方法
* @return 完整的URL路径
*/function pageurl($urlrule, $page, $array = array()) {
if(strpos($urlrule, '~')) { $urlrules = explode('~', $urlrule); $urlrule = $page < 2 ? $urlrules[0] : $urlrules[1];
} $findme = array('{$page}'); $replaceme = array($page); if (is_array($array)) foreach ($array as $k=>$v) { $findme[] = '{$'.$k.'}'; $replaceme[] = $v;
} $url = str_replace($findme, $replaceme, $urlrule); $url = str_replace(array('http://','//','~'), array('~','/','http://'), $url); return $url;
}/**
* URL路径解析，pages 函数的辅助函数
*
* @param $par 传入需要解析的变量 默认为，page={$page}
* @param $url URL地址
* @return URL
*/function url_par($par, $url = '') {
if($url == '') $url = get_url(); $pos = strpos($url, '?'); if($pos === false) { $url .= '?'.$par;
} else { $querystring = substr(strstr($url, '?'), 1);
parse_str($querystring, $pars); $query_array = array(); foreach($pars as $k=>$v) { if($k != 'page') $query_array[$k] = $v;
} $querystring = http_build_query($query_array).'&'.$par; $url = substr($url, 0, $pos).'?'.$querystring;
} return $url;
}/**
* 判断email格式是否正确
* @param $email
*/function is_email($email) {
return strlen($email) > 6 && preg_match("/^[\w\-\.]+@[\w\-\.]+(\.\w+)+$/", $email);
}/**
* iconv 编辑转换
*/if (!function_exists('iconv')) { function iconv($in_charset, $out_charset, $str) {
$in_charset = strtoupper($in_charset); $out_charset = strtoupper($out_charset); if (function_exists('mb_convert_encoding')) { return mb_convert_encoding($str, $out_charset, $in_charset);
} else {
app_base::load_sys_func('iconv'); $in_charset = strtoupper($in_charset); $out_charset = strtoupper($out_charset); if ($in_charset == 'UTF-8' && ($out_charset == 'GBK' || $out_charset == 'GB2312')) { return utf8_to_gbk($str);
} if (($in_charset == 'GBK' || $in_charset == 'GB2312') && $out_charset == 'UTF-8') { return gbk_to_utf8($str);
} return $str;
}
}
}/**
* 代码广告展示函数
* @param intval $siteid 所属站点
* @param intval $id 广告ID
* @return 返回广告代码
*/function show_ad($siteid, $id) {
$siteid = intval($siteid); $id = intval($id); if(!$id || !$siteid) return false; $p = app_base::load_model('poster_model'); $r = $p->get_one(array('spaceid'=>$id, 'siteid'=>$siteid), 'disabled, setting', 'id ASC'); if ($r['disabled']) return ''; if ($r['setting']) { $c = string2array($r['setting']);
} else { $r['code'] = '';
} return $c['code'];
}/**
* 获取当前的站点ID
*/function get_siteid() {
static $siteid; if (!empty($siteid)) return $siteid; if (defined('IN_ADMIN')) { if ($d = param::get_cookie('siteid')) { $siteid = $d;
} else { return '';
}
} else { $data = getcache('sitelist', 'commons'); if(!is_array($data)) return '1'; $site_url = SITE_PROTOCOL.SITE_URL; foreach ($data as $v) { if ($v['url'] == $site_url.'/') $siteid = $v['siteid'];
}
} if (empty($siteid)) $siteid = 1; return $siteid;
}/**
* 获取用户昵称
* 不传入userid取当前用户nickname,如果nickname为空取username
* 传入field，取用户$field字段信息
*/function get_nickname($userid='', $field='') {
$return = ''; if(is_numeric($userid)) { $member_db = app_base::load_model('member_model'); $memberinfo = $member_db->get_one(array('userid'=>$userid)); if(!empty($field) && $field != 'nickname' && isset($memberinfo[$field]) &&!empty($memberinfo[$field])) { $return = $memberinfo[$field];
} else { $return = isset($memberinfo['nickname']) && !empty($memberinfo['nickname']) ? $memberinfo['nickname'].'('.$memberinfo['username'].')' : $memberinfo['username'];
}
} else { if (param::get_cookie('_nickname')) { $return .= '('.param::get_cookie('_nickname').')';
} else { $return .= '('.param::get_cookie('_username').')';
}
} return $return;
}/**
* 获取用户信息
* 不传入$field返回用户所有信息,
* 传入field，取用户$field字段信息
*/function get_memberinfo($userid, $field='') {
if(!is_numeric($userid)) { return false;
} else { static $memberinfo; if (!isset($memberinfo[$userid])) { $member_db = app_base::load_model('member_model'); $memberinfo[$userid] = $member_db->get_one(array('userid'=>$userid));
} if(!empty($field) && !empty($memberinfo[$userid][$field])) { return $memberinfo[$userid][$field];
} else { return $memberinfo[$userid];
}
}
}/**
* 通过 username 值，获取用户所有信息
* 获取用户信息
* 不传入$field返回用户所有信息,
* 传入field，取用户$field字段信息
*/function get_memberinfo_buyusername($username, $field='') {
if(empty($username)){return false;} static $memberinfo; if (!isset($memberinfo[$username])) { $member_db = app_base::load_model('member_model'); $memberinfo[$username] = $member_db->get_one(array('username'=>$username));
} if(!empty($field) && !empty($memberinfo[$username][$field])) { return $memberinfo[$username][$field];
} else { return $memberinfo[$username];
}
}/**
* 调用关联菜单
* @param $linkageid 联动菜单id
* @param $id 生成联动菜单的样式id
* @param $defaultvalue 默认值
*/function menu_linkage($linkageid = 0, $id = 'linkid', $defaultvalue = 0, $defaultlabel = array()) {
$linkageid = intval($linkageid); $datas = array(); $datas = getcache($linkageid,'linkage'); $infos = $datas['data']; if($datas['style']=='1') { $title = $datas['title']; $container = 'content'.create_randomnum(100, 999).date('is'); if(!defined('DIALOG_INIT_1')) {
define('DIALOG_INIT_1', 1); $string .= '<script type="text/javascript" src="'.JS_PATH.'dialog.js"></script>'; //TODO $string .= '<link href="'.CSS_PATH.'dialog.css" rel="stylesheet" type="text/css">';
} if(!defined('LINKAGE_INIT_1')) {
define('LINKAGE_INIT_1', 1); $string .= '<script type="text/javascript" src="'.JS_PATH.'linkage/js/pop.js"></script>';
} $var_p = $defaultvalue && (ROUTE_A=='edit' || ROUTE_A=='account_manage_info' || ROUTE_A=='info_publish' || ROUTE_A=='orderinfo') ? menu_linkage_level($defaultvalue,$linkageid,$infos) : $datas['title']; $var_input = $defaultvalue && (ROUTE_A=='edit' || ROUTE_A=='account_manage_info' || ROUTE_A=='info_publish') ? '<input type="hidden" name="info['.$id.']" value="'.$defaultvalue.'">' : '<input type="hidden" name="info['.$id.']" value="">'; $string .= '<p name="'.$id.'" value="" id="'.$id.'" class="ib">'.$var_p.'</p>'.$var_input.' <input type="button" name="btn_'.$id.'" class="button" value="'.L('linkage_select').'" onclick="open_linkage(\''.$id.'\',\''.$title.'\','.$container.',\''.$linkageid.'\')">'; $string .= '<script type="text/javascript">'; $string .= 'var returnid_'.$id.'= \''.$id.'\';'; $string .= 'var returnkeyid_'.$id.' = \''.$linkageid.'\';'; $string .= 'var '.$container.' = new Array('; foreach($infos AS $k=>$v) { if($v['parentid'] == 0) { $s[]='new Array(\''.$v['linkageid'].'\',\''.$v['name'].'\',\''.$v['parentid'].'\')';
} else { continue;
}
} $s = implode(',',$s); $string .=$s; $string .= ')'; $string .= '</script>';
} elseif($datas['style']=='2') { if(!defined('LINKAGE_INIT_1')) {
define('LINKAGE_INIT_1', 1); $string .= '<script type="text/javascript" src="'.JS_PATH.'linkage/js/jquery.ld.js"></script>';
} $default_txt = ''; if($defaultvalue) { $default_txt = menu_linkage_level($defaultvalue,$linkageid,$infos); $default_txt = '["'.str_replace(' > ','","',$default_txt).'"]';
} $string .= $defaultvalue && (ROUTE_A=='edit' || ROUTE_A=='account_manage_info' || ROUTE_A=='info_publish') ? '<input type="hidden" name="info['.$id.']" id="'.$id.'" value="'.$defaultvalue.'">' : '<input type="hidden" name="info['.$id.']" id="'.$id.'" value="">'; for($i=1;$i<=$datas['setting']['level'];$i++) { $txt = isset($defaultlabel[$i]) ? $defaultlabel[$i] : '请选择'; $string .='<select class="pc-select-'.$id.'" name="'.$id.'-'.$i.'" id="'.$id.'-'.$i.'" width="100"><option value="">' . $txt . '</option></select> ';
} $string .= '<script type="text/javascript">
$(function(){
var $ld5 = $(".pc-select-'.$id.'");
$ld5.ld({ajaxOptions : {"url" : "'.APP_PATH.'api.php?op=get_linkage&act=ajax_select&keyid='.$linkageid.'"},defaultParentId : 0,style : {"width" : 120}})
var ld5_api = $ld5.ld("api");
//ld5_api.selected('.$default_txt.');
$ld5.bind("change",onchange);
function onchange(e){
var $target = $(e.target);
var index = $ld5.index($target);
$("#'.$id.'-'.$i.'").remove();
$("#'.$id.'").val($ld5.eq(index).show().val());
index ++;
$ld5.eq(index).show(); }
})
</script>';
} else { $title = $defaultvalue ? $infos[$defaultvalue]['name'] : $datas['title']; $colObj = create_randomnum(100, 999).date('is'); $string = ''; if(!defined('LINKAGE_INIT')) {
define('LINKAGE_INIT', 1); $string .= '<script type="text/javascript" src="'.JS_PATH.'linkage/js/mln.colselect.js"></script>'; if(defined('IN_ADMIN')) { $string .= '<link href="'.JS_PATH.'linkage/style/admin.css" rel="stylesheet" type="text/css">';
} else { $string .= '<link href="'.JS_PATH.'linkage/style/css.css" rel="stylesheet" type="text/css">';
}
} $string .= '<input type="hidden" name="info['.$id.']" value="1"><p id="'.$id.'"></p>'; $string .= '<script type="text/javascript">'; $string .= 'var colObj'.$colObj.' = {"Items":['; foreach($infos AS $k=>$v) { $s .= '{"name":"'.$v['name'].'","topid":"'.$v['parentid'].'","colid":"'.$k.'","value":"'.$k.'","fun":function(){}},';
} $string .= substr($s, 0, -1); $string .= ']};'; $string .= '$("#'.$id.'").mlnColsel(colObj'.$colObj.',{'; $string .= 'title:"'.$title.'",'; $string .= 'value:"'.$defaultvalue.'",'; $string .= 'width:100'; $string .= '});'; $string .= '</script>';
} return $string;
}/**
* 联动菜单层级
*/function menu_linkage_level($linkageid,$keyid,$infos,$result=array()) {
if(array_key_exists($linkageid,$infos)) { $result[]=$infos[$linkageid]['name']; return menu_linkage_level($infos[$linkageid]['parentid'],$keyid,$infos,$result);
}
krsort($result); return implode(' > ',$result);
}/**
* 通过catid获取显示菜单完整结构
* @param $menuid 菜单ID
* @param $cache_file 菜单缓存文件名称
* @param $cache_path 缓存文件目录
* @param $key 取得缓存值的键值名称
* @param $parentkey 父级的ID
* @param $linkstring 链接字符
*/function menu_level($menuid, $cache_file, $cache_path = 'commons', $key = 'catname', $parentkey = 'parentid', $linkstring = ' > ', $result=array()) {
$menu_arr = getcache($cache_file, $cache_path); if (array_key_exists($menuid, $menu_arr)) { $result[] = $menu_arr[$menuid][$key]; return menu_level($menu_arr[$menuid][$parentkey], $cache_file, $cache_path, $key, $parentkey, $linkstring, $result);
}
krsort($result); return implode($linkstring, $result);
}/**
* 通过id获取显示联动菜单
* @param $linkageid 联动菜单ID
* @param $keyid 菜单keyid
* @param $space 菜单间隔符
* @param $tyoe 1 返回间隔符链接，完整路径名称 3 返回完整路径数组，2返回当前联动菜单名称，4 直接返回ID
* @param $result 递归使用字段1
* @param $infos 递归使用字段2
*/function get_linkage($linkageid, $keyid, $space = '>', $type = 1, $result = array(), $infos = array()) {
if($space=='' || !isset($space))$space = '>'; if(!$infos) { $datas = getcache($keyid,'linkage'); $infos = $datas['data'];
} if($type == 1 || $type == 3 || $type == 4) { if(array_key_exists($linkageid,$infos)) { $result[]= ($type == 1) ? $infos[$linkageid]['name'] : (($type == 4) ? $linkageid :$infos[$linkageid]); return get_linkage($infos[$linkageid]['parentid'], $keyid, $space, $type, $result, $infos);
} else { if(count($result)>0) {
krsort($result); if($type == 1 || $type == 4) $result = implode($space,$result); return $result;
} else { return $result;
}
}
} else { return $infos[$linkageid]['name'];
}
}/**
* IE浏览器判断
*/function is_ie() {
$useragent = strtolower($_SERVER['HTTP_USER_AGENT']); if((strpos($useragent, 'opera') !== false) || (strpos($useragent, 'konqueror') !== false)) return false; if(strpos($useragent, 'msie ') !== false) return true; return false;
}/**
* 文件下载
* @param $filepath 文件路径
* @param $filename 文件名称
*/function file_down($filepath, $filename = '') {
if(!$filename) $filename = basename($filepath); if(is_ie()) $filename = rawurlencode($filename); $filetype = fileext($filename); $filesize = sprintf("%u", filesize($filepath)); if(ob_get_length() !== false) @ob_end_clean();
header('Pragma: public');
header('Last-Modified: '.gmdate('D, d M Y H:i:s') . ' GMT');
header('Cache-Control: no-store, no-cache, must-revalidate');
header('Cache-Control: pre-check=0, post-check=0, max-age=0');
header('Content-Transfer-Encoding: binary');
header('Content-Encoding: none');
header('Content-type: '.$filetype);
header('Content-Disposition: attachment; filename="'.$filename.'"');
header('Content-length: '.$filesize);
readfile($filepath); exit;
}/**
* 判断字符串是否为utf8编码，英文和半角字符返回ture
* @param $string
* @return bool
*/function is_utf8($string) {
return preg_match('%^(?:
[\x09\x0A\x0D\x20-\x7E] # ASCII
| [\xC2-\xDF][\x80-\xBF] # non-overlong 2-byte
| \xE0[\xA0-\xBF][\x80-\xBF] # excluding overlongs
| [\xE1-\xEC\xEE\xEF][\x80-\xBF]{2} # straight 3-byte
| \xED[\x80-\x9F][\x80-\xBF] # excluding surrogates
| \xF0[\x90-\xBF][\x80-\xBF]{2} # planes 1-3
| [\xF1-\xF3][\x80-\xBF]{3} # planes 4-15
| \xF4[\x80-\x8F][\x80-\xBF]{2} # plane 16
)*$%xs', $string);
}/**
* 组装生成ID号
* @param $modules 模块名
* @param $contentid 内容ID
* @param $siteid 站点ID
*/function id_encode($modules,$contentid, $siteid) {
return urlencode($modules.'-'.$contentid.'-'.$siteid);
}/**
* 解析ID
* @param $id 评论ID
*/function id_decode($id) {
return explode('-', $id);
}/**
* 对用户的密码进行加密
* @param $password
* @param $encrypt //传入加密串，在修改密码时做认证
* @return array/password
*/function password($password, $encrypt='') {
$pwd = array(); $pwd['encrypt'] = $encrypt ? $encrypt : create_randomstr(); $pwd['password'] = md5(md5(trim($password)).$pwd['encrypt']); return $encrypt ? $pwd['password'] : $pwd;
}/**
* 生成随机字符串
* @param string $lenth 长度
* @return string 字符串
*/function create_randomstr($lenth = 6) {
//openssl_random_pseudo_bytes
$fp = @fopen('/dev/urandom','rb'); $pr_bits = ''; if ($fp !== FALSE) { $pr_bits .= @fread($fp,$lenth/2);
@fclose($fp);
} return bin2hex($pr_bits); //return random($lenth, '123456789abcdefghijklmnpqrstuvwxyzABCDEFGHIJKLMNPQRSTUVWXYZ');}/**
* 生成随机数
* @param string $lenth 长度
* @return string 字符串
*/function create_randomnum($min,$max) {
//openssl_random_pseudo_bytes
$difference = $max-$min; $bytesNeeded = ceil($difference/256); $fp = @fopen('/dev/urandom','rb'); if ($fp !== FALSE) { $randomBytes = @fread($fp,$bytesNeeded);
@fclose($fp);
} $sum = 0; for ($a = 0; $a < $bytesNeeded; $a++){ $sum += ord($randomBytes[$a]);
} $sum = $sum % ($difference); return $sum + $min; //return random($lenth, '123456789abcdefghijklmnpqrstuvwxyzABCDEFGHIJKLMNPQRSTUVWXYZ');}/**
* 检查密码长度是否符合规定
*
* @param STRING $password
* @return TRUE or FALSE
*/function is_password($password) {
$strlen = strlen($password); if($strlen >= 6 && $strlen <= 20) return true; return false;
} /**
* 检测输入中是否含有错误字符
*
* @param char $string 要检查的字符串名称
* @return TRUE or FALSE
*/function is_badword($string) {
$badwords = array("\\",'&',' ',"'",'"','/','*',',','<','>',"\r","\t","\n","#"); foreach($badwords as $value){ if(strpos($string, $value) !== FALSE) { return TRUE;
}
} return FALSE;
}/**
* 检查用户名是否符合规定
*
* @param STRING $username 要检查的用户名
* @return TRUE or FALSE
*/function is_username($username) {
$strlen = strlen($username); if(is_badword($username) || !preg_match("/^[a-zA-Z0-9_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]+$/", $username)){ return false;
} elseif ( 20 < $strlen || $strlen < 2 ) { return false;
} return true;
}/**
* 检查id是否存在于数组中
*
* @param $id
* @param $ids
* @param $s
*/function check_in($id, $ids = '', $s = ',') {
if(!$ids) return false; $ids = explode($s, $ids); return is_array($id) ? array_intersect($id, $ids) : in_array($id, $ids);
}/**
* 对数据进行编码转换
* @param array/string $data 数组
* @param string $input 需要转换的编码
* @param string $output 转换后的编码
*/function array_iconv($data, $input = 'gbk', $output = 'utf-8') {
if (!is_array($data)) { return iconv($input, $output, $data);
} else { foreach ($data as $key=>$val) { if(is_array($val)) { $data[$key] = array_iconv($val, $input, $output);
} else { $data[$key] = iconv($input, $output, $val);
}
} return $data;
}
}/**
* 生成缩略图函数
* @param $imgurl 图片路径
* @param $width 缩略图宽度
* @param $height 缩略图高度
* @param $autocut 是否自动裁剪 默认裁剪，当高度或宽度有一个数值为0是，自动关闭
* @param $smallpic 无图片是默认图片路径
*/function thumb($imgurl, $width = 100, $height = 100 ,$autocut = 1, $smallpic = 'nopic.gif') {
global $image; $upload_url = app_base::load_config('system','upload_url'); $upload_path = app_base::load_config('system','upload_path'); if(empty($imgurl)) return IMG_PATH.$smallpic; $imgurl_replace= str_replace($upload_url, '', $imgurl); if(!extension_loaded('gd') || strpos($imgurl_replace, '://')) return $imgurl; if(!file_exists($upload_path.$imgurl_replace)) return IMG_PATH.$smallpic; list($width_t, $height_t, $type, $attr) = getimagesize($upload_path.$imgurl_replace); if($width>=$width_t || $height>=$height_t) return $imgurl; $newimgurl = dirname($imgurl_replace).'/thumb_'.$width.'_'.$height.'_&