php 基本增删改查代码 //增加留言 function add_message($Title,$Author,$Add_time,$Content){ $insertSQL="insert into extend (Title,Author,Add_time,Content) value ('{$Title}','{$Author}',{$Add_time},'{$Content}')"; $db=new Connect_MySql(); $db->query($insertSQL); $uid=$db->insert_id(); $db->close(); r