限制最大高度 despite text being longer

问题描述 投票：1回答：1

我正在使用BFO报告库（嵌入在NetSuite ERP中）创建文档。我有一个文本块，我想限制为两行，截断它是否超过那个，但我似乎无法让overflow:hidden实际做任何事情。设置height会限制最小高度，但如果文本较长，则会扩展包含而不是被切断。

这是我正在渲染的文档：

<?xml version="1.0" encoding="utf-8" ?>
<!DOCTYPE pdf PUBLIC '-//big.faceless.org//report' 'report-1.1.dtd'>
<pdf>
    <body width="3in" height="1.25in" padding="0">
        <div font-family="sans-serif" font-size="14pt" width="3in" height="2em" border="1px solid green" overflow="hidden">
            <p margin="0">Short Name</p>
        </div>
        <pbr/>
        <div font-family="sans-serif" font-size="14pt" width="3in" height="2em" border="1px solid green" overflow="hidden">
            <p margin="0">This Is An Item With A Really Extremely Long Name That Doesn't Fit</p>
        </div>
    </body>
</pdf>

结果PDF：

"Short Name" is in a box approximately twice as high as the text, but "Really Extremely Long Name" has pushed the containing box out further than it's supposed to.

overflow netsuite bfo
1个回答
3
投票

根据overflow，BFO their documentation属性标签仅适用于绝对定位的元素：

如果一个块绝对定位并且大于它的父元素，那么如何处理“溢出”父元素块的内容。

看来包含要控制的内容的元素必须绝对定位，但overflow属性可以应用于父元素。因此，您可以将position="absolute"添加到您的<p>元素中以获得所需的效果：

<?xml version="1.0" encoding="utf-8" ?>
<!DOCTYPE pdf PUBLIC '-//big.faceless.org//report' 'report-1.1.dtd'>
<pdf>
    <body width="3in" height="1.25in" padding="0">
        <div font-family="sans-serif" font-size="14pt" width="3in" height="2em" 
border="1px solid green" overflow="hidden">
            <p margin="0">Short Name</p>
        </div>
        <pbr/>
        <div font-family="sans-serif" font-size="14pt" width="3in" height="2em" border="1px solid green" overflow="hidden">
            <p position="absolute" margin="0">This Is An Item With A Really Extremely Long Name That Doesn't Fit</p>
        </div>
    </body>
</pdf>

enter image description here

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