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我可以让 div 在页面中向下流动而不是在页面上流动吗？

发布于 2024-08-25 22:56:00 字数 930 浏览 4 评论 0原文

如果我有一个 div 元素集合，我可以使用 CSS 让它们在页面上流动并溢出到下一行。

这是一个简单的例子：

<html>
  <head>
    <title>Flowing Divs</title>
    <style type="text/css">
      .flow {
        float: left;
        margin: 4em 8em;
      }
    </style>
  </head>
  <body>
    <div class="container">
      <div class="flow">Div 1</div>
      <div class="flow">Div 2</div>
      <div class="flow">Div 3</div>
      <div class="flow">Div 4</div>
      <div class="flow">Div 5</div>
      <div class="flow">Div 6</div>
      <div class="flow">Div 7</div>
      <div class="flow">Div 8</div>
    </div>
  </body>
</html>

是否可以让 div 沿着页面向下流动而不是跨过页面，这样它们就会沿着列而不是沿着线流动，但仍然占据与跨过时相同的空间？

因此，对于上面的示例，如果它们流入两行，每行四个 div，我可以让第一列包含 Div1 和 Div2 而不是 Div1 和 Div5 吗？

原文

If I have a collection of div elements, I can use CSS to have them flow across the page and overflow onto the next line.

Here's a simple example:

<html>
  <head>
    <title>Flowing Divs</title>
    <style type="text/css">
      .flow {
        float: left;
        margin: 4em 8em;
      }
    </style>
  </head>
  <body>
    <div class="container">
      <div class="flow">Div 1</div>
      <div class="flow">Div 2</div>
      <div class="flow">Div 3</div>
      <div class="flow">Div 4</div>
      <div class="flow">Div 5</div>
      <div class="flow">Div 6</div>
      <div class="flow">Div 7</div>
      <div class="flow">Div 8</div>
    </div>
  </body>
</html>

Is it possible to have the divs flow down the page instead of across it, so that they would flow down columns not along lines, but still occupy the same space as they would if they flowed across?

So for the example above, if they flowed into two lines of four divs, could I get the first column to contain Div1 and Div2 instead of Div1 and Div5?

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评论（4）

被你宠の有点坏 2024-09-01 22:56:00

不，这是不可能的。最简单的解决方法是通过添加包装器 DIV 来创建单独的列，然后向每列添加内容。这也可以使用 Javascript 或服务器端动态生成。

No, it is not possible. Easiest workaround is to make separate columns by adding wrapper-DIVs, and then adding content to each column. This could also be generated dynamically either with Javascript or serverside.

回复 原文
盛夏已如深秋| 2024-09-01 22:56:00

快速将其组合在一起：

#column1 {float:left}  
#column2 {float:left}  
div div{height:100px;width:100px;border:1px solid}

<div id="column1">    
      <div>1</div>  
      <div>2</div>  
</div>  
<div id="column2">  
      <div>3</div>  
      <div>4</div>  
</div>

Quickly threw this together.:

#column1 {float:left}  
#column2 {float:left}  
div div{height:100px;width:100px;border:1px solid}

<div id="column1">    
      <div>1</div>  
      <div>2</div>  
</div>  
<div id="column2">  
      <div>3</div>  
      <div>4</div>  
</div>
回复 原文
甜中书 2024-09-01 22:56:00

不，你不能，但你可以通过使用绝对定位来随意排列它们。但是，这样做意味着您必须显式设置每个元素的位置，而这通常是不需要的。

不过，对标记进行简单调整即可实现此目的。以下内容是您想看到的吗？

<html>
  <head> 
    <title>Flowing Divs</title> 
    <style type="text/css">
      .container {
        float:left;
      }
      .flow {
        margin: 4em 8em; 
      } 
    </style> 
  </head> 
  <body> 
    <div class="container"> 
      <div class="flow">Div 1</div> 
      <div class="flow">Div 2</div> 
      <div class="flow">Div 3</div>
    </div>
    <div class="container">
      <div class="flow">Div 4</div> 
      <div class="flow">Div 5</div> 
      <div class="flow">Div 6</div>
    </div>
    <div class="container">
      <div class="flow">Div 7</div> 
      <div class="flow">Div 8</div> 
    </div> 
  </body> 
</html>

No, you can't, but you could arrange them however you want by using absolute positioning. However, doing so means you have to explicitly set the position of each element, and that is usually undesired.

A simple adjustment to the markup can make this work though. Is the following what you wanted to see?

<html>
  <head> 
    <title>Flowing Divs</title> 
    <style type="text/css">
      .container {
        float:left;
      }
      .flow {
        margin: 4em 8em; 
      } 
    </style> 
  </head> 
  <body> 
    <div class="container"> 
      <div class="flow">Div 1</div> 
      <div class="flow">Div 2</div> 
      <div class="flow">Div 3</div>
    </div>
    <div class="container">
      <div class="flow">Div 4</div> 
      <div class="flow">Div 5</div> 
      <div class="flow">Div 6</div>
    </div>
    <div class="container">
      <div class="flow">Div 7</div> 
      <div class="flow">Div 8</div> 
    </div> 
  </body> 
</html>
回复 原文
可爱暴击 2024-09-01 22:56:00

不幸的是，它不能在纯 html/css 中完成。下面是一个如何在 javascript 中完成此操作的示例。它可以变得更加高效，但更难从中学习。我没有在 IE/Safari 中测试过，但在 FF 中可以工作。

使用方法：
- 将“容器”类添加到流容器中
- 就是这样，

享受吧:)。

<html>
<head>
<title>Flowing Divs</title>

<style type="text/css">
.container {
    float: left;
    height: 1px;
}

.col {
    float: left;
}

#container-1 {
}

.flow {
    float: left;
    margin: 4em 8em;
    width: 200px;
    height: 100;
    overflow-y: hidden;
}
</style>

<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.js"></script>
</head>

<body>

<div id="container-1" class="container">
    <div class="flow">Div 1</div>
    <div class="flow">Div 2</div>
    <div class="flow">Div 3</div>
    <div class="flow">Div 4</div>
    <div class="flow">Div 5</div>
    <div class="flow">Div 6</div>
    <div class="flow">Div 7</div>
    <div class="flow">Div 8</div>
    <div class="flow">Div 9</div>
    <div class="flow">Div 10</div>
    <div class="flow">Div 11</div>
    <div class="flow">Div 12</div>
    <div class="flow">Div 13</div>
    <div class="flow">Div 14</div>
    </div>

    <script type="text/javascript">

    /**
     * Setup some event handling and stuff
     */

    // Create flowing container after dom is populated
    $(document).ready(function()
    {
        createFlowingContainer('#container-1'); 
    });

    $(window).resize(function()
    {
        // Recreate flow for all containers without fixed heights
        $('.container-autosize').each(function(i, container)
        {
            var container = $(container);

            // Update container dimenions
            container.height($(window).height());    

            createFlowingContainer(container);
        });
    });

    /**
     * Magical function
     */

    createFlowingContainer = function(container)
    {
        var container = $(container);

        // Columns counter
        var colNum = 0;    

        // Some more counter vars, these reset when a new column is created
        var colHeight = 0;
        var colWidth = 0;
        var containerWidth = 0;

        var itemNum = 0;

        // Get height of container
        var containerHeight = container.height();

        // Has the container height been defined? 1px is the default height (as defined in the css)
        if (containerHeight == 1)
        {
            // Set the container height default value
            containerHeight = $(window).height();

            // Used to resize container on window resize events
            container.addClass('container-autosize');

            // Update container height
            container.height(containerHeight);
        }

        var containerElements = container.children('div :not(.col)');

        if (containerElements.length == 0)
        {
            containerElements = $('[itemNum]');
        }
        else
        {
            container.children('div').each(function(i, o)
            {
                $(o).attr('itemNum', itemNum);

                itemNum++;
            });
        }

        var containerTmp = container.clone();
        containerTmp.html('');    

        containerElements.each(function(i, ele)
        {
            var ele = $(ele);

            // Get the item's height with padding & margins included
            var eleWidth = ele.width();
            var eleHeight = ele.outerHeight(true);

            // Can the current column fit this item?
            if ((eleHeight + colHeight) > containerHeight)
            {
                // Reset calculated height of column & advance column pointer
                colHeight = 0;
                colNum++;
            }

            // Get the column container
            var column = containerTmp.find('.col-' + colNum);

            // Does the column exist? If not, its a new column and we'll need to create it
            if (column.length == 0)
            {
                column = $('<div class="col col-' + colNum + '"></div>');

                // Append column to container
                containerTmp.append(column);
            }

            // Keep track of widest ele in column, used for setting width of container
            if (eleWidth > colWidth)
            {
                colWidth = eleWidth;
            }

            column.width(colWidth);

            // Increment the calculated column height
            colHeight += eleHeight;

            // Append element to column
            column.append(ele); 
        });

        container.html(containerTmp.html());

        // Calculate container width
        container.children('.col').each(function(i, o)
        {
            containerWidth += $(o).width();
        });

        container.width(containerWidth);
    };
    </script>

</body>
</html>

Unfortunately it can't be done in pure html/css. Below is an example of how this can be accomplished in javascript. It can be made more efficient, but harder to learn from. I haven't tested in IE/Safari, but works in FF.

How to use:
- Add the class 'container' to the flow container
- thats it

Enjoy :).

<html>
<head>
<title>Flowing Divs</title>

<style type="text/css">
.container {
    float: left;
    height: 1px;
}

.col {
    float: left;
}

#container-1 {
}

.flow {
    float: left;
    margin: 4em 8em;
    width: 200px;
    height: 100;
    overflow-y: hidden;
}
</style>

<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.js"></script>
</head>

<body>

<div id="container-1" class="container">
    <div class="flow">Div 1</div>
    <div class="flow">Div 2</div>
    <div class="flow">Div 3</div>
    <div class="flow">Div 4</div>
    <div class="flow">Div 5</div>
    <div class="flow">Div 6</div>
    <div class="flow">Div 7</div>
    <div class="flow">Div 8</div>
    <div class="flow">Div 9</div>
    <div class="flow">Div 10</div>
    <div class="flow">Div 11</div>
    <div class="flow">Div 12</div>
    <div class="flow">Div 13</div>
    <div class="flow">Div 14</div>
    </div>

    <script type="text/javascript">

    /**
     * Setup some event handling and stuff
     */

    // Create flowing container after dom is populated
    $(document).ready(function()
    {
        createFlowingContainer('#container-1'); 
    });

    $(window).resize(function()
    {
        // Recreate flow for all containers without fixed heights
        $('.container-autosize').each(function(i, container)
        {
            var container = $(container);

            // Update container dimenions
            container.height($(window).height());    

            createFlowingContainer(container);
        });
    });

    /**
     * Magical function
     */

    createFlowingContainer = function(container)
    {
        var container = $(container);

        // Columns counter
        var colNum = 0;    

        // Some more counter vars, these reset when a new column is created
        var colHeight = 0;
        var colWidth = 0;
        var containerWidth = 0;

        var itemNum = 0;

        // Get height of container
        var containerHeight = container.height();

        // Has the container height been defined? 1px is the default height (as defined in the css)
        if (containerHeight == 1)
        {
            // Set the container height default value
            containerHeight = $(window).height();

            // Used to resize container on window resize events
            container.addClass('container-autosize');

            // Update container height
            container.height(containerHeight);
        }

        var containerElements = container.children('div :not(.col)');

        if (containerElements.length == 0)
        {
            containerElements = $('[itemNum]');
        }
        else
        {
            container.children('div').each(function(i, o)
            {
                $(o).attr('itemNum', itemNum);

                itemNum++;
            });
        }

        var containerTmp = container.clone();
        containerTmp.html('');    

        containerElements.each(function(i, ele)
        {
            var ele = $(ele);

            // Get the item's height with padding & margins included
            var eleWidth = ele.width();
            var eleHeight = ele.outerHeight(true);

            // Can the current column fit this item?
            if ((eleHeight + colHeight) > containerHeight)
            {
                // Reset calculated height of column & advance column pointer
                colHeight = 0;
                colNum++;
            }

            // Get the column container
            var column = containerTmp.find('.col-' + colNum);

            // Does the column exist? If not, its a new column and we'll need to create it
            if (column.length == 0)
            {
                column = $('<div class="col col-' + colNum + '"></div>');

                // Append column to container
                containerTmp.append(column);
            }

            // Keep track of widest ele in column, used for setting width of container
            if (eleWidth > colWidth)
            {
                colWidth = eleWidth;
            }

            column.width(colWidth);

            // Increment the calculated column height
            colHeight += eleHeight;

            // Append element to column
            column.append(ele); 
        });

        container.html(containerTmp.html());

        // Calculate container width
        container.children('.col').each(function(i, o)
        {
            containerWidth += $(o).width();
        });

        container.width(containerWidth);
    };
    </script>

</body>
</html>
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