index.php
1 <?php 2 include("counter.php") 3 ?> 4 5 <html> 6 <head> 7 <title>訪問計數器</title> 8 </head> 9 10 <body> 11 <center> 12 <h1>訪問者計數器</h1> 13 <U> <!--下划線--> 14 <font size="6" face="隸書" >你是第</font> 15 <B> 16 <font size="9" face="Verdana" color="#ffcc00"> 17 <?php Counter() ?> <!--調用函數--> 18 </font> 19 </B> 20 <font size="6" face="隸書" >個訪問者</font> 21 </U> 22 </center> 23 </body> 24 </html>
counter.php
1 <?php 2 //$five,$four 等變量表示零的個數，放在數字前邊構成6位 3 function Counter() 4 { //定義函數 5 $five = "00000"; //聲明變量 6 $four = "0000"; 7 $three = "000"; 8 $two = "00"; 9 $one = "0"; 10 $counter = "record.dat"; //存放訪問數的目的文件，.dat格式 11 if(!file_exists($counter)) //判斷文件是否存在 12 { 13 $counter = fopen($counter,"w"); 14 fputs($counter,"0"); //寫入文件 15 fclose($counter); 16 } 17 else 18 { 19 $fp = fopen($counter,"r+"); 20 $num = fgets($fp,"1024"); //如果文件存在則讀出文件，並加 1 21 $num = $num + 1; 22 if($num < 10) 23 print "$five"."$num"; 24 elseif($num < 100) 25 print "$four"."$num"; 26 elseif($num < 1000) 27 print "$three"."$num"; 28 elseif($num < 10000) 29 print "$two"."$num"; 30 elseif($num < 100000) 31 print "$one"."$num"; 32 else 33 print "$num"; 34 } 35 $fp = fopen($counter,"w"); 36 fputs($fp,"$num"); 37 fclose($fp); 38 } 39 ?>
