$data=Db::name('money_expend')->alias('a')->join('my_user b','a.uid=b.uid','LEFT')->where("state = 1 or state = 2")->paginate(12);
$data=Db::name('money_expend')->alias('a')->field('a.*,b.phone')->join('my_user b','a.uid=b.uid','LEFT')->where("state = 1 or state = 2")->paginate(12);