php页面添加计数器
时间：2021-07-01 10:21:17
帮助过：5人阅读
index.php
1php
2 include("counter.php")
3?> 4 5<html> 6<head> 7<title>访问计数器title> 8head> 910<body>11<center>12<h1>访问者计数器h1>13<U>14<font size="6" face="隶书">你是第font>15<B>16<font size="9" face="Verdana" color="#ffcc00">17php Counter() ?>18font>19B>20<font size="6" face="隶书">个访问者font>21U>22center>23body>24html>
counter.php
1php
2 //$five,$four 等变量表示零的个数，放在数字前边构成6位
3 function Counter()
4 { //定义函数
5 $five = "00000"; //声明变量
6 $four = "0000";
7 $three = "000";
8 $two = "00";
9 $one = "0";
10 $counter = "record.dat"; //存放访问数的目的文件，.dat格式
11 if(!file_exists($counter)) //判断文件是否存在
12 {
13 $counter = fopen($counter,"w");
14 fputs($counter,"0"); //写入文件
15 fclose($counter);
16 }
17 else
18 {
19 $fp = fopen($counter,"r+");
20 $num = fgets($fp,"1024"); //如果文件存在则读出文件，并加 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?>
以上就介绍了php页面添加计数器，包括了方面的内容，希望对PHP教程有兴趣的朋友有所帮助。
