(PHP 4, PHP 5)
mysql_num_fields — 取锟矫斤拷锟斤拷锟斤拷锟斤拷侄蔚锟斤拷锟侥�
$result
) : intmysql_num_fields() 锟斤拷锟截斤拷锟斤拷锟斤拷锟斤拷侄蔚锟斤拷锟侥匡拷锟�
锟轿硷拷 mysql_select_db()锟斤拷mysql_query()锟斤拷mysql_fetch_field() 锟斤拷 mysql_num_rows()锟斤拷
为锟斤拷锟铰硷拷锟斤拷锟斤拷然锟斤拷锟斤拷使锟斤拷 mysql_numfields()锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷