Question

thinkphp怎么列出字段值为null

Answer 1

array( '某字段'=>array( 'exp', 'is null' ) )
或
array('_string' => '某字段 is not null');

Answer 2

//$rs=M("user")->where("score is null")->select();
$rs=M("user")->where("score=''")->select();
$this->assign("rs",$rs);
$this->display();

<volist name="rs" id="vo">
<p>{$vo.id}——{$vo.name}</p>
</volist>

Answer 3

$bookinfoModel->where('theme= is null')->select();