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css - div 自適應高度 自動填充剩余高度

瀏覽：115日期：2022-12-01 09:24:42

問題描述

固定的盒子需要絕對定位才能實現以下效果，希望有不需要絕對定位實現以下方法的大神！求指點

<!DOCTYPE html><html lang='en'><head> <meta charset='UTF-8'> <title>Document</title> <style> html, body {height: 100%;padding: 0;margin: 0;overflow: hidden; }.outer {height: 100%;padding: 100px 0 0;box-sizing: border-box; }.A {height: 100px;background: #BBE8F2;position: absolute;top: 0;left: 0;width: 100%; }.B {height: 100%;background: #D9C666;overflow: scroll; } </style></head><body> <p class='outer'><p class='A'> 頭部p </p><p class='B'> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdfD</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdfD</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdfD</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdfD</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdfD</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdfD</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>abcabsdf</p> <p>sssssssssssssssssssssss</p> </p> </p></body></html>

問題解答

回答1：

問題有點模糊，如果是要求A+B等于outer的高度，可以用calc(100% - 100px);

回答2：

浮動 固定定位

回答3：

你的問的不太明白啊，能說的具體點嗎？

標簽： CSS
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