微信小程序开发--flex布局

{
  "usingComponents": {},
  "backgroundTextStyle": "dark",
  "navigationBarBackgroundColor": "#0e0e0e",
  "navigationBarTitleText": "Music Player",
  "navigationBarTextStyle": "white"
}

<!--index.wxml-->
<view class="root">
  <!-- 标签栏的页签 固定高度-->
  <view class="tabs">
    <view class="item active">
      <text>个性推荐</text>
    </view>
    <view class="item">
      <text>歌单</text>
    </view>
    <view class="item">
      <text>主播电台</text>
    </view>
    <view class="item">
      <text>排行榜</text>
    </view>
  </view>
  <!-- 内容区域 自适应高度-->
  <scroll-view class="content" scroll-y>
    <view class="slide">
      <image src="../images/slide.png">
      </image>
    </view>
    <view class="portals">
      <view class="item">
        <image src="../images/04.png"></image>
        <text>私人FM</text>
      </view>
      <view class="item">
        <image src="../images/05.png"></image>
        <text>每日歌曲推荐</text>
      </view>
      <view class="item">
        <image src="../images/06.png"></image>
        <text>云音乐新歌榜</text>
      </view>
    </view>

    <view class="list">
      <view class="title">
        <text>推荐歌单</text>
      </view>
      <view class="inner">
        <view class="item">
          <image src="../images/poster.jpg"></image>
          <text>一生中最爱的人</text>
        </view>
        <view class="item">
          <image src="../images/poster.jpg"></image>
          <text>一生中最爱的人</text>
        </view>
        <view class="item">
          <image src="../images/poster.jpg"></image>
          <text>一生中最爱的人</text>
        </view>
        <view class="item">
          <image src="../images/poster.jpg"></image>
          <text>一生中最爱的人</text>
        </view>
        <view class="item">
          <image src="../images/poster.jpg"></image>
          <text>一生中最爱的人</text>
        </view>
        <view class="item">
          <image src="../images/poster.jpg"></image>
          <text>一生中最爱的人</text>
        </view>
      </view>
    </view>
  </scroll-view>
  <!-- 播放控制条 固定高度 -->
  <view class="player">
    <view class="poster">
      <image src="../images/poster.jpg"></image>
    </view>
    <view class="info">
      <text class="title">一生中最爱</text>
      <text class="artes">谭咏麟</text>
    </view>
    <view class="controls">
      <image src="../images/01.png"></image>
      <image src="../images/02.png"></image>
      <image src="../images/03.png"></image>
    </view>
  </view>
</view>

/**index.wxss**/

page {
  height: 100%;
}

.root {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: #f0f0f0;
  overflow: hidden;
}

.tabs {
  background: pink;
  display: flex;
}

.tabs .item {
  flex: 1;
  text-align: center;
  font-size: 12px;
  background: #222;
  color: #ccc;
  padding: 8px 0;
}

.tabs .item.active {
  color: #fff;
  border-bottom: 2px solid #e9232c;
}

.content {
  flex: 1;
  background: #111214;
  color: #ccc;
  overflow: hidden;
}

.slide image{
  width: 100%;
  height: 130px;
}

.portals{
  display: flex;
  margin-bottom: 15px;
}
.portals .item{
  flex: 1;
}
.portals .item image{
  width: 60px;
  height: 60px;
  display: block;
  margin: 10px auto;
}
.portals .item text{
  font-size:12px;
  text-align: center;
  display: block;
}

.list .title{
  margin: 5px 10px;
  font-size:14px;
}

.list .inner{
 display: flex;
 flex-wrap: wrap;
 /* warp 换行 */
}

.list .inner .item{
  width: 33.33333333%
}
.list .inner .item image{
  width: 120px;
  height: 120px;
  display: block;
  margin: auto;
}

.list .inner .item text{
  font-size:14px;
}
.player {
  height: 50px;
  background: #17181a;
  display: flex;
}

.poster image {
  width: 40px;
  height: 40px;
  margin: 5px;
}

.info {
  flex: 1;
  color:#888;
  font-size:14px;
  margin: 5px;
}
.info .title{
  display: block;
  font-size: 16px;
  color: #ccc;

}

.controls image {
  width: 40px;
  height: 40px;
  margin: 5px 2px;
}

原文地址：https://www.cnblogs.com/DreamchaserHe/p/11213222.html