php°´Ê±¼ä´Á²éѯ½ñÌ죬×òÌìÎÄÕµÄ×ÜÊý
±í1ÓÐ×Ö¶ÎtimeÊÇʱ¼ä´Á×ֶΣ¬ÏÈлÁË£¡
¼Ù¶¨±íÖÐ×Ö¶ÎΪDatetimeField£¬Í¨¹ýÈçϲéѯ select count(id) from talbe where DATEDIFF(CURDATE(),DatetimeField) <=1 ×î¸ßЧµÄ·½·¨ http://dev.mysql.com/doc/refman/5.1/en/date-and-time-functions.html NOW() php°´Ê±¼ä´Á²éѯ½ñÌ죬×òÌìÎÄÕµÄ×ÜÊý ±í1ÓÐ×Ö¶ÎtimeÊÇʱ¼ä´Á×ֶΣ¬ÏÈлÁË£¡ strtotime(-1 day) <$timestrtotime>(-2 day) ÀàËÆÕâÑù²»ÐУ¿ strtotime(-1 day) > $times > trtotime(-2 day) ´òÌ«¿ìÁË...ÒýÓà ×î¸ßЧµÄ·½·¨ http://dev.mysql.com/doc/refman/5.1/en/date-and-time-functions.html NOW() ¿ÉÒÔ¸øÒ»ÌõÏêϸµÄ¿ÉÒÔ²éѯ³ö£¬×òÌìÎÄÕÂ×ÜÊýµÄsqlÓï¾äÂð£¿ÏÈлÁË£¡ ¹þ¹þ¹þ£¬Ã¿¸ö´Î½Ó´¥ ding
Ïà¹ØÎÊ´ð£º
ASP³ÌÐòÔ±ÈçºÎתȥ×ö PHP »ò JSP Õâ½áÌùÂÊ.... ASP ×öµÃºÃµÄ»°,תPHP,Äã»á·¢ÏÖ¸ü¼òµ¥.. ¸ü·½±ã... ²î±ð²»´óÂð PHP²»ÊÇÒªÔÚLinux ÉÏ¿ª·¢µÄÂð WindowsÉÏÓÃÌ×¼þºÃÏñ²»Êµ¼ÊÁ˵㣬¹ãLinuxÕâ¸ö¿²¾ÍÄѹýÈ¥ÁË£¬IISÓ ......
ÇëÎÊÏÂÄܲ»ÄÜÔÙwindows϶¨ÆÚÇå¿ÕmysqlÒ»¸ö±íÖеÄÈ«²¿Êý¾Ý£¬ÓÃPHPʵÏÖ£¡ лл¸÷λÁË ¾Í±ÈÈçÒ»¸öÐÇÆÚÇå¿ÕÒ»´Î ±ÈÈçÿ¸öÐÇÆÚÁùÁãµãÇå¿ÕÒ»´Î£¡ ллÁË ¼Æ»®ÈÎÎñ...php....sql...truncate....OK Äã¾ÍÕâ½ÓÔÚҳà ......
ÎÒÔÚmySqlÖÐÓÐÒ»×ֶοɴæhtml±êÇ©£¬±ÈÈç˵ÀïÃæÓÐa±êÇ© µ«ÊÇÎÒÊäÈë²éѯÌõ¼þaµÄʱºò²¢²»Ïë²é³öÕâÌõ¼Ç¼£¬Ò²¾ÍÊÇ˵²éѯµÄʱºò²»¿¼ÂDZêÇ©,Ö»¿¼ÂÇÄÚÈÝ¡£ ÇëÎÊ´ó¼ÒÔõÑù½â¾ö£¿ ¿ÉÒÔÔÙŪһ¸ö×Ö¶ÎÀ´±£´æ¹ýÂ˱êÇ©ºóµÄÄÚÈÝ¡£ ......
ÇëÎÊ£¬ÒÔÏ´úÂ룬Ϊʲô²»¹ÜÓ㿾Ístr_replaceÕâ¸öº¯Êý£¬Ì滻ôÓÐÆð×÷Óã¿ PHP code: $gg='<script type=\"text/JavaScript\"> alimama_pid=\"mm_14281022_2030060_8250750\"; alima ......
$a = 100; $b = $a; $a = $a + 10; echo $b; Çëд³ö$bµÄֵΪ? Çë˵³öΪʲô? ÎÒ¾õµÃ&b=100;ÒòΪ±äÁ¿Ç°Ã»ÓÐÓÃglobal £¬ËùÒÔ¾ÍËã±äÁ¿ÃûÏàͬ£¬Ò²ÊôÓÚÓë²»±äÁ¿£¬ÖµÊDz»Í¬µÄ¡£ËùÒÔ$b=$aÏ൱ÓÚ$b=100;²»ÖªµÀ¶Ô²»¶Ô ......