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php³£Óú¯Êý2

Îļþ¶ÁÈ¡º¯Ê½
   //Îļþ¶ÁÈ¡º¯Ê½
   function PHP_Read($file_name) {
   $fd=fopen($file_name,r);
   while($bufline=fgets($fd, 4096)){
   $buf.=$bufline;
    }
   fclose($fd);
   return $buf;
    }
   ?>
ÎļþдÈ뺯ʽ
    //ÎļþдÈ뺯ʽ
   function PHP_Write($file_name,$data,$method="w") {
   $filenum=@fopen($file_name,$method);
   flock($filenum,LOCK_EX);
   $file_data=fwrite($filenum,$data);
   fclose($filenum);
   return $file_data;
    }
   ?>
¾²Ì¬Ò³ÃæÉú³Éº¯Ê½
   //¾²Ì¬Ò³ÃæÉú³Éº¯Ê½
   function phptohtm($filefrom,$fileto,$u2u=1){
   if($u2u==1){
   $data=PHP_Read($filefrom);
    }else{
   $data=$filefrom;
    }
   PHP_Write($fileto,$data);
   return true;
    }
   ?>
Ö¸¶¨Ìõ¼þÐÅÏ¢ÊýÁ¿¼ìË÷º¯Ê½
    //Ö¸¶¨Ìõ¼þÐÅÏ¢ÊýÁ¿¼ìË÷º¯Ê½
   function rec_exist($table,$where){
   $query="select count(*) as num from $table ".$where;
   $result=mysql_query($query) or die(nerror(1));
   $rowcount=mysql_fetch_array($result);
   $num=$rowcount["num"];
   if ($num==0){
   return false;
    }
   return $num;
    }
   ?>
Ŀ¼ɾ³ýº¯Ê½
   //Ŀ¼ɾ³ýº¯Ê½
   function del_DIR($directory){
   $mydir=dir($directory);
   while($file=$mydir->read()){
   if((is_dir("$directory/$file")) AND ($file!=".") AND ($file!="..")){
   del_DIR("$directory/$file");
    }else{
   if(($file!=".") AND ($file!="..")){
   unlink("$directory/$file");
   //echo "unlink $directory/$file ok ";
    }


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ubuntu Ï ´î½¨ apache+php+mysql


#apt-get install apache2
//°²×°apahce2
#apt-get install php5
//°²×°php5
#apt-get install mysql-server
//°²×°mysql·þÎñ¶Ë
#apt-get install  mysql-myclient
//°²×°mysqlµÄ¿Í»§¶Ë
#apt-get install php-mysql
//°²×°php-mysqlµÄÁ¬½á
apache+php+mysql »·¾³ÒѾ­´î½¨ºÃÁË
½«ÒÔϵķþÎñÖØÆôÒ»ÏÂ
#/et ......

phpÏÔʾ·þÎñÆ÷ʱ¼ä´úÂë

<div id="time" align="center">time </div> 
<script language="javascript">
function time1()
{
var now,n,y,r,h,m,s;
now=new Date();
n = now.getYear();
y = now.getMonth()+1;
r = now.getDate();
h = now.getHours();
m =now.getMinutes();
s = now.getSeconds();
......

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phpʱ¼ä¸ñʽ»¯

ÈÕÆÚ¸ñʽ»¯date()º¯ÊýµÄ¸ñʽ»¯×Ö·û£º  
  Y   Ä꣬4λÊý×Ö  
  m   Ô£¬Ç°Ãæ´ø0:"01"-"12"  
  d   ÔÂÖеÄÌì  
  H   ʱ£¬24Ê±ÖÆ  
  i   ·Ö  
  s   ......
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