<view class="uinfo">

    <text class="sex" wx:if="{{req.sex==1}}">男</text>

    <text wx:else>女</text>

    <image class="sex" wx:if="{{req.sex==1}}" src="/images/person/boy.png"></image>

    <image class="sex" wx:else src="/images/person/girl.png"></image>

</view>