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小程序布局

微信小程序布局使用的是 Flex,只是某些地方稍微有些变种,下面演示小程序中主要使用到的 Flex 布局。

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<!--文件名: flex.wxml-->
<view class="container">
<view class="flex-section">
<text>justify-content: flex-start</text>
<view class="flex-items" style="justify-content: flex-start;">
<view class="flex-item bc_red"></view>
<view class="flex-item bc_green"></view>
<view class="flex-item bc_blue"></view>
</view>
</view>
<view class="flex-section">
<text>justify-content: flex-end</text>
<view class="flex-items" style="justify-content: flex-end;">
<view class="flex-item bc_red"></view>
<view class="flex-item bc_green"></view>
<view class="flex-item bc_blue"></view>
</view>
</view>
<view class="flex-section">
<text>justify-content: center</text>
<view class="flex-items" style="justify-content: center;">
<view class="flex-item bc_red"></view>
<view class="flex-item bc_green"></view>
<view class="flex-item bc_blue"></view>
</view>
</view>
<view class="flex-section">
<text>justify-content: space-between</text>
<view class="flex-items" style="justify-content: space-between;">
<view class="flex-item bc_red"></view>
<view class="flex-item bc_green"></view>
<view class="flex-item bc_blue"></view>
</view>
</view>
<view class="flex-section">
<text>justify-content: space-around</text>
<view class="flex-items" style="justify-content: space-around;">
<view class="flex-item bc_red"></view>
<view class="flex-item bc_green"></view>
<view class="flex-item bc_blue"></view>
</view>
</view>
<view class="flex-section">
<text>align-items: center 垂直居中</text>
<view class="flex-items" style="justify-content: space-around; height: 200rpx; align-items: center;">
<view class="flex-item bc_red"></view>
<view class="flex-item bc_green"></view>
<view class="flex-item bc_blue"></view>
</view>
</view>
</view>
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/* 文件名: flex.wxss */
.container {
background-color: #EEE;
}
/**
* 盒子模型中,width 默认指的是 content 的宽度,如果想 width 表示包含边框在内的宽度,
* 则需要设置 box-sizing: border-box; 这样 border,padding,content 等加起来的
* 宽度为 width
*/
.flex-section {
width: 100%;
margin-bottom: 10rpx;
background-color: white;
box-sizing: border-box; /* 很重要,因为设置了 padding,否则 width: 100% 则超出了 parent 的 width */
padding: 10rpx;
}
.flex-section:last-child {
margin-bottom: 0;
}
.flex-items {
display: flex;
flex-direction: row;
margin-top: 10rpx;
}
.flex-item {
width: 100rpx;
height: 100rpx;
}
.bc_red {
background-color: #E68C23;
}
.bc_green {
background-color: #FCEB62;
}
.bc_blue {
background-color: #1DAF94;
}