PHP $len=count($data) } ... {if $n%3==0&&$n!=$len} 举一反三:输出2条循环tr PHP $len=count($data) } ... {if $n%2==0&&$n!=$len}
举一反三:输出2条循环tr
PHP $len=count($data) } ... {if $n%2==0&&$n!=$len}