解读和分析微信小程序组件：二、scroll-view（可滚动视图区)

<view class="flex-wrp">
    <view class="flex-item red" ></view>
    <view class="flex-item green" ></view>
    <view class="flex-item blue" ></view>
</view>

.flex-wrp{
    height: 100px;
    display:flex;
    background-color: #FFFFFF;
}
.flex-item{
    width: 100px;
    height: 100px;
}
.red{
    background: red;
}
.green{
    background: green;
}
.blue{
    background: blue;
}

<view class="flex-wrp column">
    <view class="flex-item" style="background: red"></view>
    <view class="flex-item" style="background: green"></view>
    <view class="flex-item" style="background: blue"></view>
</view>

.column{
   flex-direction:column;
}
.flex-item{
    width: 100px;
    height: 100px;
}
.flex-wrp{
    height: 100px;
    display:flex;
    background-color: #FFFFFF;
}
.red{
    background: red;
}
.green{
    background: green;
}
.blue{
    background: blue;
}

<view class="flex-wrp flex-start">
    <view class="flex-item" style="background: red"></view>
    <view class="flex-item" style="background: green"></view>
    <view class="flex-item" style="background: blue"></view>
</view>