function get_hash_table($table,$uid){ $_str = crc32($uid); if($_str < 0 ){ $ret = "0".substr(abs($_str),0,1); }else{ $ret = substr($_str,0,2); } return $table."_".$ret; } echo get_hash_table('test','user1'); //test_01 echo get_hash_table('test','ddddaaaa'); //test_10
调用方式 "select * from ".get_hash_table('user', $uid)." where userid = '{$uid}'";