Fatal error: Uncaught Error: Call to undefined function mysql_connect() in D:\wwwroot\cppm\caigoucppm\inc\mysql.php:23 Stack trace: #0 D:\wwwroot\cppm\caigoucppm\inc\mysql.php(18): db->connect('127.0.0.1', 'caigou', 'woshitianlingji...', 'caigou', 'my_', 'utf8') #1 D:\wwwroot\cppm\caigoucppm\inc\mysql.php(140): db->__construct() #2 D:\wwwroot\cppm\caigoucppm\inc.php(22): require('D:\\wwwroot\\cppm...') #3 D:\wwwroot\cppm\caigoucppm\index.php(9): require('D:\\wwwroot\\cppm...') #4 {main} thrown in D:\wwwroot\cppm\caigoucppm\inc\mysql.php on line 23