Question

我正在尝试创建一个包含五个区域的网页，其中三个是粘性的。当用户向下滚动时，sticky功能可以正常工作，但是当窗口向右滚动超过一个视口的宽度时，应该粘在左侧的元素才消失。我不知道数据会提前多少，这就是为什么我试图允许元素自动扩展以适合内容。有没有一种方法可以解决此问题，以便当用户一直向右滚动时，左侧元素保持可见？

区域描述如下：

header-当用户垂直滚动时，该区域应该消失。
upperleft-此区域是一个小的列标题，在滚动时会停留在左侧和顶部。
upperright-垂直滚动时，该区域应仅停留在顶部。当用户向右滚动时，它应该消失在upperleft后面。
bottomleft-用户向右滚动时，该区域应停留在屏幕左侧；当用户向下滚动时，此区域应在upperleft之后消失。
bottomright-根据用户的滚动方式，该区域应消失在upperleft，upperright和bottomleft之后。

这是一个演示问题的示例（我使用的是Firefox 62.0.3）：

body {
  margin: 1rem;
  display: grid;
  grid-template-columns: 3rem auto;
  grid-template-rows: 12vh 2rem auto;
  grid-template-areas: "header header" "topleft topright" "bottomleft bottomright";}

.header {
  position: fixed;
  grid-area: header;
  display: block;
  background: white;
  text-align: center;
  width: 100vw;
}

.topleft {
  grid-area: topleft;
  background-color: #bababa;
  border: solid 1px black;
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  left: 0;
  z-index: 2;
}

.topright {
  grid-area: topright;
  background-color: #c0c0c0;
  border: solid 1px black;
  box-sizing: border-box;
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  z-index: 1;
  white-space: nowrap;
  display: inline-block;
  width: 300vw; /* simulate large horizontal data set */
}

.bottomleft {
  grid-area: bottomleft;
  background-color: #c0c0c0;
  border: solid 1px black;
  box-sizing: border-box;
  position: -webkit-sticky;
  position: sticky;
  left: 0;
  z-index: 1;
  height: 300vh; /* simulate large vertical data set */
}

.bottomright {
  grid-area: bottomright;
  background-color: #cacaca;
  border: solid 1px brown;
  box-sizing: border-box;
  text-align: left;
  display: inline-block;
  height: 300vh; /* simulate large vertical data set */
  width: 300vw; /* simulate large horizontal data set */
}

<div class="header">
This intro area should be visible until scrolled out of view.
</div>
<div class="topleft">
Stay
</div>
<div class="topright">
Top line sticky vertically but not horizontally
</div>
<div class="bottomleft">
<p>1</p>
<p>2</p>
<p>3</p>
<p>4</p>
<p>5</p>
<p>6</p>
<p>7</p>
<p>8</p>
<p>9</p>
</div>
<div class="bottomright">
Large area with cells
</div>

Answer 1

您遇到过头问题，您的身体是一个块元素，因此其宽度不会超过屏幕尺寸，从而不会出现左侧边栏问题。

一个简单的解决方法是使主体inline-grid：

body {
  margin: 1rem;
  display: inline-grid;
  grid-template-columns: 3rem auto;
  grid-template-rows: 12vh 2rem auto;
  grid-template-areas: "header header" "topleft topright" "bottomleft bottomright";}

.header {
  position: fixed;
  grid-area: header;
  display: block;
  background: white;
  text-align: center;
  width: 100vw;
}

.topleft {
  grid-area: topleft;
  background-color: #bababa;
  border: solid 1px black;
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  left: 0;
  z-index: 2;
}

.topright {
  grid-area: topright;
  background-color: #c0c0c0;
  border: solid 1px black;
  box-sizing: border-box;
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  z-index: 1;
  white-space: nowrap;
  display: inline-block;
  width: 300vw; /* simulate large horizontal data set */
}

.bottomleft {
  grid-area: bottomleft;
  background-color: #c0c0c0;
  border: solid 1px black;
  box-sizing: border-box;
  position: -webkit-sticky;
  position: sticky;
  left: 0;
  z-index: 1;
  height: 300vh; /* simulate large vertical data set */
}

.bottomright {
  grid-area: bottomright;
  background-color: #cacaca;
  border: solid 1px brown;
  box-sizing: border-box;
  text-align: left;
  display: inline-block;
  height: 300vh; /* simulate large vertical data set */
  width: 300vw; /* simulate large horizontal data set */
}

<div class="header">
This intro area should be visible until scrolled out of view.
</div>
<div class="topleft">
Stay
</div>
<div class="topright">
Top line sticky vertically but not horizontally
</div>
<div class="bottomleft">
<p>1</p>
<p>2</p>
<p>3</p>
<p>4</p>
<p>5</p>
<p>6</p>
<p>7</p>
<p>8</p>
<p>9</p>
</div>
<div class="bottomright">
Large area with cells
</div>

为了更好地说明问题，您可以在初始代码中添加边框，然后您会看到左侧边栏将到达此边框，然后停止：

body {
  margin: 1rem;
  display: grid;
  border:2px solid red;
  grid-template-columns: 3rem auto;
  grid-template-rows: 12vh 2rem auto;
  grid-template-areas: "header header" "topleft topright" "bottomleft bottomright";}

.header {
  position: fixed;
  grid-area: header;
  display: block;
  background: white;
  text-align: center;
  width: 100vw;
}

.topleft {
  grid-area: topleft;
  background-color: #bababa;
  border: solid 1px black;
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  left: 0;
  z-index: 2;
}

.topright {
  grid-area: topright;
  background-color: #c0c0c0;
  border: solid 1px black;
  box-sizing: border-box;
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  z-index: 1;
  white-space: nowrap;
  display: inline-block;
  width: 300vw; /* simulate large horizontal data set */
}

.bottomleft {
  grid-area: bottomleft;
  background-color: #c0c0c0;
  border: solid 1px black;
  box-sizing: border-box;
  position: -webkit-sticky;
  position: sticky;
  left: 0;
  z-index: 1;
  height: 300vh; /* simulate large vertical data set */
}

.bottomright {
  grid-area: bottomright;
  background-color: #cacaca;
  border: solid 1px brown;
  box-sizing: border-box;
  text-align: left;
  display: inline-block;
  height: 300vh; /* simulate large vertical data set */
  width: 300vw; /* simulate large horizontal data set */
}

<div class="header">
This intro area should be visible until scrolled out of view.
</div>
<div class="topleft">
Stay
</div>
<div class="topright">
Top line sticky vertically but not horizontally
</div>
<div class="bottomleft">
<p>1</p>
<p>2</p>
<p>3</p>
<p>4</p>
<p>5</p>
<p>6</p>
<p>7</p>
<p>8</p>
<p>9</p>
</div>
<div class="bottomright">
Large area with cells
</div>

作为旁注，最好避免将主体用作容器，更好地依靠自己的容器来简化以后添加更多结构或将代码集成到其他地方

body {
 margin:0;
}
.container {
  margin: 1rem;
  display: inline-grid;
  border:2px solid red;
  grid-template-columns: 3rem auto;
  grid-template-rows: 12vh 2rem auto;
  grid-template-areas: "header header" "topleft topright" "bottomleft bottomright";}

.header {
  position: fixed;
  grid-area: header;
  display: block;
  background: white;
  text-align: center;
  width: 100vw;
}

.topleft {
  grid-area: topleft;
  background-color: #bababa;
  border: solid 1px black;
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  left: 0;
  z-index: 2;
}

.topright {
  grid-area: topright;
  background-color: #c0c0c0;
  border: solid 1px black;
  box-sizing: border-box;
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  z-index: 1;
  white-space: nowrap;
  display: inline-block;
  width: 300vw; /* simulate large horizontal data set */
}

.bottomleft {
  grid-area: bottomleft;
  background-color: #c0c0c0;
  border: solid 1px black;
  box-sizing: border-box;
  position: -webkit-sticky;
  position: sticky;
  left: 0;
  z-index: 1;
  height: 300vh; /* simulate large vertical data set */
}

.bottomright {
  grid-area: bottomright;
  background-color: #cacaca;
  border: solid 1px brown;
  box-sizing: border-box;
  text-align: left;
  display: inline-block;
  height: 300vh; /* simulate large vertical data set */
  width: 300vw; /* simulate large horizontal data set */
}

<div class="container">
<div class="header">
This intro area should be visible until scrolled out of view.
</div>
<div class="topleft">
Stay
</div>
<div class="topright">
Top line sticky vertically but not horizontally
</div>
<div class="bottomleft">
<p>1</p>
<p>2</p>
<p>3</p>
<p>4</p>
<p>5</p>
<p>6</p>
<p>7</p>
<p>8</p>
<p>9</p>
</div>
<div class="bottomright">
Large area with cells
</div>
</div>

向右滚动时左侧粘滞元素消失

1 个答案: