php基于文件系统的页面计数器范例
发布:smiling 来源: PHP粉丝网 添加日期:2014-08-18 10:09:37 浏览: 评论:
- <HTML>
- <HEAD>
- <TITLE>基于文件系统的页面计数器范例</TITLE>
- </HEAD>
- <BODY>
- <?PHP
- $countfile = "num.txt";
-
- if (($fp = fopen($countfile, "r+")) == false) {
- printf ("打开文件 %s 失败!",$countfile);
- exit;
- }
- else
- {
-
- $count = fread ($fp,10);
-
- $count = $count + 1;
-
- fclose ($fp);
-
- $fp = fopen($countfile, "w+");
-
- fwrite ($fp,$count);
-
- fclose ($fp);
-
- echo '您好,您是第'. $count.'位访客';
- }
- ?>
- </BODY>
- </HTML>
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