伸缩方向列伸缩容器中伸缩项目的高度相同

问题描述

是否可以仅使用CSS在具有flex-direction: column的flex容器中使flex项具有相同的高度?

Is there a way to have flex items within a flex container with flex-direction: column have the same height, using CSS only?

<div style="display: flex; flex-direction: column;">
 <div class="flex-item">
   <!-- other html elements with image, links, button etc. -->
 </div>
 <!-- ... -->
 <div class="flex-item"></div>
</div>

JSFiddle: https://jsfiddle.net/hzxa9v54/

JSFiddle: https://jsfiddle.net/hzxa9v54/

推荐答案

您将需要一个脚本来使用Flexbox解决此问题，此处使用jQuery完成.

You will need a script to solve that using Flexbox, here done using jQuery.

更新了小提琴

堆栈片段

(function ($) {

  // preload object array to gain performance
  var $items = $('.item')

  // run at resize
  $( window ).resize(function() {
    $.fn.setHeight(0);
  });

  $.fn.setHeight = function(height) {

    // reset to auto or else we can't check height
    $($items).css({ 'height': 'auto' });

    // get highest value
    $($items).each(function(i, obj) {
      height = Math.max(height, $(obj).outerHeight())
    });

    // set the height
    $($items).css({ 'height': height + 'px' });
  }

  // run at load
  $.fn.setHeight(0);

}(jQuery));

.container {
  display: flex;
  flex-direction: column;
  width: 200px;
}
.item {
  border: 1px solid #ddd;
  margin: 10px 0;
}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="container">
  <div class="item">
    come content 1
  </div>
  <div class="item">
    come content 2
    come content 3
  </div>
  <div class="item">
    come content 4
    come content 5
    come content 6
  </div>
  <div class="item">
    come content 7
  </div>
</div>

根据评论进行更新，例如还需要考虑加载图片.

Update based on a comment, where e.g. also loading images needs to be taken into account.

这是脚本的更新版本，可以在加载图像后进行调整.

Here is an updated version of the script, that adjust after image loads.

(function ($) {

  // preload object array to gain performance
  var $items = $('.item')

  // run at resize
  $( window ).resize(function() {
    $.fn.setHeight(0);
  });

  $.fn.setHeight = function(height) {

    // reset to auto or else we can't check height
    $($items).css({ 'height': 'auto' });

    // get highest value
    $($items).each(function(i, obj) {
      height = Math.max(height, $(obj).outerHeight())
    });

    // set the height
    $($items).css({ 'height': height + 'px' });
  }

  function imageLoaded() {
    $.fn.setHeight(0);
  }

  var images = $('.item img');
  if (images) {
    images.each(function() {
      if( this.complete ) {
        imageLoaded.call( this );
      } else {
        $(this).one('load', imageLoaded);
      }
    });
  } else {
    // run at load
    $.fn.setHeight(0);
  }

}(jQuery));

.container {
  display: flex;
  flex-direction: column;
  width: 200px;
}
.item {
  border: 1px solid #ddd;
  margin: 10px 0;
}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="container">
  <div class="item">
    come content 1
  </div>
  <div class="item">
    <img src="http://placehold.it/200x100/f00" alt="">
  </div>
  <div class="item">
    come content 4
    come content 5
    come content 6
  </div>
  <div class="item">
    come content 7
  </div>
</div>

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