带有左右容器的 Flex box 响应式布局

Question

我在移动设备中遇到 flexbox 布局问题。桌面看起来还行在移动视图中我想显示如下

首先它应该显示“概览”框
第二个它应该显示“付款”框
第三个应该显示“Activity”框

.div1 {
  box-sizing:border-box;
  border:0.5px solid red;
}

.main-container {
  height:100%;
  display:flex;
}

.left-container {
  flex:1 1 0;
}

.right-container {
  flex:1 1 0;
  display:flex;
  //flex-direction:column; 
}

.half-containers {
  flex:1;
  overflow:auto;
  order: 1;
}

.half-containers-activity {
  flex:1;
  overflow:auto;
  order: 0;
}

@include media-breakpoint-down(sm) {
  .main-container {
    flex-direction: row;

      }
}

<div class="div1">
  <div class="main-container">
    <div class="left-container">
      <div class="half-containers">
        Overview
      </div>
      <div class="half-containers-activity">
        Activity
      </div>
    </div>
    <div class="right-container">
      Payment
    </div>
  </div>
</div>

Answer 1

您可以使用以下方法。这里最主要的是在 .left-container 上使用 display: contents; 来“中和”它，这样所有三个元素都可以“在一个层次上”用作 flex children，根据 order 参数应用到他们。当然，所有这些都在媒体查询中，以保持桌面版本不变。

.div1 {
  box-sizing: border-box;
  border: 0.5px solid red;
}

.main-container {
  height: 100%;
  display: flex;
}

.left-container {
  flex: 1 1 0;
}

.right-container {
  flex: 1 1 0;
  display: flex;
  //flex-direction:column; 
}

.half-containers {
  flex: 1;
  overflow: auto;
  order: 1;
}

.half-containers-activity {
  flex: 1;
  overflow: auto;
  order: 0;
}

@media screen and (max-width: 700px) {
  .main-container {
    flex-direction: column;
  }
  .left-container {
    display: contents;
  }
  .half-containers {
    order: 0;
  }
  .right-container {
    order: 1;
  }
  .half-containers-activity {
    order: 2;
  }
}

<div class="div1">
  <div class="main-container">
    <div class="left-container">
      <div class="half-containers">
        Overview
      </div>
      <div class="half-containers-activity">
        Activity
      </div>
    </div>
    <div class="right-container">
      Payment
    </div>
  </div>
</div>

我应该补充一点 display: contents; 仍然被视为“实验值”，但浏览器支持已经相当不错了：https://caniuse.com/?search=display%3A%20contents

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