>把 mysql_ 都改成 mysqli_ 版主啊~ 那么改不行啊 错误更多了!!!!! Warning: session_start(): Cannot send session cookie - headers already sent by Warning: mysqli_select_db() expects exactly 2 parameters, 1 given in Warning: mysqli_num_rows() expects parameter 1 to be mysqli_result, null given in Warning: mysqli_query() expects at least 2 parameters, 1 given in Deprecated: mysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead in
版主啊~ 那么改不行啊 错误更多了!!!!!
Warning: session_start(): Cannot send session cookie - headers already sent by
Warning: mysqli_select_db() expects exactly 2 parameters, 1 given in
Warning: mysqli_num_rows() expects parameter 1 to be mysqli_result, null given in
Warning: mysqli_query() expects at least 2 parameters, 1 given in
Deprecated: mysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead in
出错是很正常的，改了就是了
不报错而又工作不正常，才是麻烦事出错的 mysqli 函数是因为不能缺省数据库连接字
你把 $db 作为出错函数的第一个参数就可以了