对齐问题（js小提琴）

Question

所以我想将多个div对齐（水平居中）。如果有更多n个div，div所在的容器应该在x方向上滚动，就像一个简单的滚动条一样，得到这样的东西：

注意：有人会在图片之前添加(!)吗？

但是 - 到目前为止我无法使用此代码：

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#container {
  position: relative;
  width: 80%;
  height: 40%;
  overflow-x: scroll;
  background: gray;
}

.item {
  position: absolute;
  width: 10%;
  height: 80%;
  background-image: url("http://www.icemeltmanufacturers.com/wp-content/uploads/2016/09/head-icon-png-5.png");
  background-repeat: no-repeat;
  background-position: 50% 50%;
  margin: auto;
  top: 0;
  bottom: 0;
  background-size: contain;
}

#bigContainer {
  position: absolute;
  width: 100%;
  height: 50%;
  background: white;
  bottom: 0%;
  border-radius: 15px 15px 0px 0px
}

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<div id="bigContainer">

    <div id="container">

      <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div>

    </div>


</div>

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注意：看起来Stackoverflow目前已经破产了，所以有测试代码的小提琴：https://jsfiddle.net/nfdgyx73/13/

注意：提供一个解决方案，我不需要对容器进行大量更改（特别是不要更改其位置属性），这很酷。

任何帮助都将非常感谢，提前感谢一百万！

Answer 1

你正在寻找这样的东西吗？我也更新了小提琴： https://jsfiddle.net/nfdgyx73/40/

只需显示内联项（display: inline-block），并确保没有包装容器，因为它使用％来计算宽度（white-space: nowrap），同时确保没有溢出对于y轴上的容器（overflow-y: hidden）

根据您的评论，我还在容器ID中添加了text-align: center，因此如果不需要滚动的项目较少，它们将会居中。

#container {
  position: relative;
  width: 80%;
  height: 40%;
  overflow-x: scroll;
  background: gray;
  overflow-y: hidden;
  white-space: nowrap;
  text-align: center;
}

.item {
  display: inline-block;
  width: 10%;
  height: 80%;
  background-image: url("http://www.icemeltmanufacturers.com/wp-content/uploads/2016/09/head-icon-png-5.png");
  background-repeat: no-repeat;
  background-position: 50% 50%;
  margin: 4px;
  top: 0;
  bottom: 0;
  background-size: contain;
}

#bigContainer {
  position: absolute;
  width: 100%;
  height: 50%;
  background: white;
  bottom: 0%;
  border-radius: 15px 15px 0px 0px
}

<div id="bigContainer">

  <div id="container">
    <div class="item"></div>
    <div class="item"></div>
    <div class="item"></div>
  </div>


</div>

Answer 2

我的解决方案使用弹性框根据需要对齐所有项目。如果有多个项目而不是空间，则添加一个滚动条（取消注释额外的div以查看它的实际效果）

https://jsfiddle.net/nfdgyx73/58/

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#container {
  position: relative;
  width: 80%;
  height: 40%;
  overflow-x: scroll;
  background: gray;
  display: inline-flex;
  flex-direction: row;
  align-items: center;
}

#container::before, #container::after {
  content: '';
  margin: auto;
}

.item {
  width: 10%;
  height: 80%;
  background: url("http://www.icemeltmanufacturers.com/wp-content/uploads/2016/09/head-icon-png-5.png");
  background-repeat: no-repeat;
  background-position: 50% 50%;
  background-size: contain;
  margin: 0 5px;
  flex-shrink: 0;
}


#bigContainer {
  position: absolute;
  width: 100%;
  height: 50%;
  background: white;
  bottom: 0%;
  border-radius: 15px 15px 0px 0px
}

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<div id="bigContainer">

  <div id="container">

    <div class="item"></div>
    <div class="item"></div>
    <div class="item"></div>
    <div class="item"></div>
    <div class="item"></div>

    <!-- <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div>
      
      <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div> -->

  </div>


</div>

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Answer 3

如果position: absolute;不是必需的话，可以使用flexboxes来完成

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#container {
  display: flex;
  justify-content: center;
  width: -webkit-fit-available;
  padding: 20px;
  background: gray;
}

#container .item {
  margin-right: 10px;
}

#container .item:last-child {
  margin-right: 0;
}

.item {
  width: 25px;
  height: 25px;
  background-image: url("http://www.icemeltmanufacturers.com/wp-content/uploads/2016/09/head-icon-png-5.png");
  background-repeat: no-repeat;
  background-position: 50% 50%;
  background-size: contain;
}

#bigContainer {
  display: flex;
  width: 80%;
  background: white;
  overflow-x: auto;
  border-radius: 15px 15px 0px 0px;
  margin-bottom: 20px; /* This is just to help differentiate the two bigContainers */
}

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<div id="bigContainer">
    <div id="container">
      <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div>
    </div>
</div>

<div id="bigContainer">
    <div id="container">
      <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div>
      <div class="item"></div>
    </div>
</div>

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