thinkphp如何打印sql语句

thinkphp如何打印sql语句？比如 $member = M("member"); $map['id'] = 1; $result = $member->where($map)->delete();
SQL语句应该是delete * from table member where id = 1;
怎样输出这个sql判断？我记得有个函数，但忘了是哪个了

回复讨论(解决方案)

getLastSql

echo M("member")->getLastSql();