苏州人网站 有好多有用的函数 织梦等也有好多有用的函数

<?php

 

function ajxerr($msg)

{

ajxmsg($msg,1);

die;

}

 

function ajxok($msg)

{

ajxmsg($msg,0);

die;

}

 

function ajxmsg($msg,$errno)

{

global $ajx,$flashId;

$u8msg = mb_convert_encoding( $msg , "UTF-8"  , "GBk" );

header("Content-Type: text/html;charset=UTF-8");

echo "$errno|||$u8msg";

 

}

function safe_get($varname , $vartype='str'){   return safe_core( $_GET , $varname , $vartype );}

function safe_post($varname , $vartype='str'){    return safe_core( $_POST , $varname , $vartype );}

function safe_cookie($varname , $vartype='str'){    return safe_core( $_COOKIE , $varname , $vartype );}

function safe_var($val){ $val = str_replace("\\","\\\\",$val); $val = str_replace("'","\\'",$val); return $val; }

//安全变量

function safe_core( $arr , $varname , $vartype )

{

filterArr($arr[$varname]);

 

if (get_magic_quotes_gpc())return $arr[$varname];

if($vartype=='int')return intval($arr[$varname]);

elseif($vartype=='str'||$vartype=='string'){

$val = $arr[$varname];

$val = str_replace("\\","\\\\",$val);

$val = str_replace("'","\\'",$val);

}

return $val;

}

//安全数组 (默认为其里面的元素为string)

function safe_array($arr)

{

filterArr($arr);

 

if (get_magic_quotes_gpc()){

return $arr;

}

foreach ($arr as $key => $val)

{

$val = str_replace("\\","\\\\",$val);

$val = str_replace("'","\\'",$val);

$arr[$key] = $val;

}

return $arr;

}

 

function filterArr($parameter){

if(is_array($parameter)){

foreach($parameter as $para){

filterArr($para);

}

}else if(preg_match("#\b(select|union|update|insert|or|delete)\b#i",$parameter)){

@header("content-type:text/html;charset=bgk");

exit('涉及非法关键字!');

}

}

 

function strLength($str,$charset='utf-8'){

   if($charset=='utf-8') $str = iconv('utf-8','gb2312',$str);

   $num = strlen($str);

   $cnNum = 0;

   for($i=0;$i<$num;$i++){

  if(ord(substr($str,$i+1,1))>127){

  $cnNum++;

  $i++;

 }

   }

   $enNum = $num-($cnNum*2);

   $number = ($enNum/2)+$cnNum;

   return ceil($number);

 }

 

 

function CutString($_String, $_Length, $_Start=0, $_Encode='GBK')

{

$v = 0;

if($_Encode == 'UTF-8')

{

$_Pa = "/[\x01-\x7f]|[\xc2-\xdf][\x80-\xbf]|\xe0[\xa0-\xbf][\x80-\xbf]|[\xe1-\xef][\x80-\xbf][\x80-\xbf]|\xf0[\x90-\xbf][\x80-\xbf][\x80-\xbf]|[\xf1-\xf7][\x80-\xbf][\x80-\xbf][\x80-\xbf]/";

preg_match_all($_Pa, $_String, $_Rarray);

$_SLength = count($_Rarray[0]);

if($_SLength < $_Length) return $_String;

for($i=$_Start; $i<$_SLength; $i++)

{

if($v >= $_Length * 2 - 1) return $_RS.'';

if(ord($_Rarray[0][$i]) > 129) $v += 2;

else $v++;

$_RS .= $_Rarray[0][$i];

}

} else {

$_Start = $_Start * 2;

$_Length = $_Length * 2;

$_Len = strlen($_String);

if($_Len < $_Length) return $_String;

$_Rstring= '';

for($i=$_Start; $i<$_Len; $i++)

{

if($v >= $_Length - 1) return $_Rstring.'';

if(ord(substr($_String, $i, 1)) > 129) { $_Rstring .= substr($_String, $i, 2); $v += 2; $i++; }

else { $_Rstring .= substr($_String, $i, 1); $v++; }

}

return $_Rstring;

}

}

 

function filterGet()

{

foreach( $_GET as $key=>$v )

{

if(!is_array($v))

{

$v =  str_replace("'","",$v);

$v =  str_replace("\"","",$v);

$_GET[$key] = $v;

}

}

}

 

function ConnectDb()

{

LoadAPI("databaseLite");

$GLOBALS['DB'] = new databaseLite( DB_HOST , DB_USER , DB_PASS , DB_NAME , DB_ENCODE );

$GLOBALS['DB']->debug = 1;

}

 

function checkFile( $file )

{

if(!is_file($file))

{

$MOD_params['error_message'] = "载入指定文件失败 $file";

DoException($MOD_params);

}

}

 

function __autoload($class_name)

{

LoadAPI($class_name);

}

 

function LoadAPI($p_api_name)

{

$apiFile = GA_ROOT."/api/".$p_api_name.".php";

if(!is_file($apiFile))

{

$MOD_params['error_message'] = "载入指定类库失败 $p_api_name";

DoException($MOD_params);

}

require_once( $apiFile );

}

 

function LoadAdminModel($p_mod_name)

{

$modFile = GA_ROOT."/admin/model/M_".$p_mod_name.".php";

if(!is_file($modFile))

{

$MOD_params['error_message'] = "载入指定模块失败 $p_mod_name";

DoException($MOD_params);

}

require_once( $modFile );

}

 

function LoadModel($p_mod_name,$pindao="")

{

//分频道

//update 2011-09-22 by huaweiwei

if($pindao){

$modFile = GA_ROOT."/".$pindao."/model/M_".$p_mod_name.".php";

}else{

$modFile = GA_ROOT."/model/M_".$p_mod_name.".php";

}

 

if(!is_file($modFile))

{

$MOD_params['error_message'] = "载入指定模块失败 $p_mod_name";

DoException($MOD_params , true);

}

require_once( $modFile );

}

 

function DoAjaxException($msg)

{

exit("1|$msg");

}

 

function DoException( $MOD_params , $channel='default')

{

if(MOD_TYPE=='front')

$modPath = MOD_PATH;

else

$modPath = ADMIN_MOD_PATH;

if(MOD_TYPE=='front')require_once( $modPath."/model.php" );

 

$mod_file = $modPath."/M_error.php";

require_once( $mod_file );

 

if(!is_array($MOD_params))

{

$params = array('error_message'=>$MOD_params);

$params = array('msg'=>$MOD_params);

$MOD_params = $params;

}

 

echo file_get_contents("../404page/index.html");

die();

$M = new M_error();

$M->setParams($MOD_params);

if(MOD_TYPE=='front')

$M->showMessage($channel);

else

$M->showMessage();

exit;

}

function f_put2($file , $data , $mode="wb" , $autoMkDir=true , $showFileName=true )

{

f_put( $file , $data , $mode , $autoMkDir , $showFileName );

}

function f_put( $file , $data , $mode="wb" , $autoMkDir=false , $showFileName=false )

{

$fp = @fopen($file,$mode);

if(!$fp && $autoMkDir)

{

$path = dirname($file);

if(!is_dir($path))

{

mkdirp($path);

}

$fp = @fopen($file,$mode);

}

@fwrite($fp,$data);

@fclose($fp);

if($showFileName)

{

$vfile =  str_replace(A,"",$file);

echo "<a href='$vfile' target=_blank>$vfile</a>";

if($fp)echo "--ok<br>\n";

else echo "--<font color=red>失败</font><br>\n";

}

}

 

//直接建立多层目录

function mkdirp($target) {

if (file_exists($target)) {

if (!is_dir($target)) return false;

else return true;

}

if ( @mkdir($target) ) return true;

if ( mkdirp(dirname2($target)) ) return mkdirp($target);

return false;

}

 

function pager( $DB , $table , $where , &$tpl , $limit=30 , $p=1 , $baseLink="/index.php" , $total=0 ,$ajax=false,$show=true)

{

if($ajax){

LoadAPI("pageNavProajax");

}

else{

LoadAPI("pageNavPro");

}

if(!$p)

{

$p = intval($_GET['p']);

if($p<=0)$p=1;

}

//计算开始条数

$limitstart = ($p-1)*$limit;

//统计共有记录数

if(!$total)

{

$q2 = "SELECT count(*) FROM ".$table." $where" ;

 

if($num=0){

return ;

}

$DB->setQuery( $q2 );

$total = $DB->loadResult();

}

if($limitstart>=$total )

{

$limitstart = $total-$total%$limit;

if($total>0)

die("参数错误，无此页码");

}

if( $limitstart<0 )$limitstart=0;

$tpl->set( "baseLink" , $baseLink );

if($total>0)

{

$nav = new pageNav( $p , $limit , $total );

$nav->pageLink = $baseLink;

$pageLinks = $nav->numPage($total,$show);

$thispage = max($nav->page,1);

 

$tpl->set( "pageLinks",$pageLinks);

$tpl->set( "p",$thispage);

$tpl->set( "totalPages",$nav->totalPages);

}

else

{

$tpl->set( "p",1);

$tpl->set( "totalPages",1);

}

$tpl->set( "total",$total);

//echo $limitstart;

return array( $total , $limitstart , $limit );

}

 

 

function pr($row)

{

echo "<pre>";

print_R($row);

}

 

function prt($arr,$cols=80,$rows=10)

{

echo "<TEXTAREA  cols='$cols' rows='$rows'>";

print_R($arr);

echo "</textarea>";

}

 

function highlightString(&$string , $findKeyArr ,$highlightTagStart="<font color=red>", $highlightTagEnd="</font>" )

{

 

$start = "[[<<{{";

$end = "}}>>]]";

//pr($_GET);

//pr($findKeyArr);die;

//替换key

foreach( $findKeyArr as $k=>$key)

{

if ($key=="")

return;

 

$key = preg_quote( $key , "#" );

$reg = "#".$key."#i";

$string = preg_replace( $reg, $start."\$0".$end,$string);

}

$string = str_replace($start,$highlightTagStart,$string);

$string = str_replace($end,$highlightTagEnd,$string);

}

?>

<?php

//文件目录操作相关函数

 

//不出错的dirname

function dirname2($dir)

{

//echo $file;

$pos = strrpos($dir,"/");

if(false===$pos)

$pos = strrpos($dir,"\\");

if(false===$pos)

return '';

if($pos===0)$pos =1;

return substr( $dir , 0 , $pos );

}

 

//echo Basename2( "f:/zz.rar", '.rar' );

function Basename3( $file )

{

    $extname = ExtName( $file );

return Basename2( $file , ".".$extname );

}

 

//不出错的basename

function Basename2( $file , $extname='' )

{

$file = str_replace("\\\\","/",$file);

$file = str_replace("//","/",$file);

 

//echo $file;

 

$pos = strrpos($file,"/");

if(false===$pos)

$pos = strrpos($file,"\\");

if(false===$pos)$pos=-1;

if ($extname!='')

{

return substr( $file , $pos+1 , -strlen($extname) );   

}

return substr($file , $pos+1);

}

 

function ExtName( $file )

{

$pos = strrpos($file,".");

if($pos===false)

{

return $pos;

}

return substr($file , $pos+1);

}

function isEmptyDir(   $path   )

{   

 $dh=   opendir(   $path   );   

 while(false   !==   ($f   =   readdir($dh)))   

 {   

if($f   !=   "."   &&   $f   !=   ".."   )   

 return   false;   

 }   

 return   true;

}

?>