十九、Tailwind CSS基础学习笔记之 Tailwind CSS Flex
hi，我是温新，一名PHPer
此笔记基于 Tailwind CSS v3.1.8
flex 用于控制 flex 项目放大和缩小的功能类。
flex-1
格式：<element></element>
说明：使用 flex-1 允许 flex 项目根据需要放大和缩小，忽略其初始尺寸。
flex-initial
格式：<element></element>
说明：使用 flex-1 允许 flex 项目根据需要放大和缩小，忽略其初始尺寸。
flex-auto
格式：<element></element>
说明：使用 flex-auto 允许一个 flex 项目在考虑到其初始大小的情况下放大和缩小。
flex-none
格式：<element></element>
说明：使用 flex-none 来阻止一个 flex 项目的放大和缩小。
综合案例
<span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important"></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span class="cm-tag cm-bracket" style="box-sizing: border-box"><</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">html</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">lang</span>=<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"en"</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span class="cm-tag cm-bracket" style="box-sizing: border-box"><</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">head</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"><</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">meta</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">charset</span>=<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"UTF-8"</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"><</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">meta</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">name</span>=<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"viewport"</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">content</span>=<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"width=device-width, initial-scale=1.0"</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"><</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">link</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">href</span>=<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"../dist/mystyle.css"</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">rel</span>=<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"stylesheet"</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span class="cm-tag cm-bracket" style="box-sizing: border-box"></</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">head</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span class="cm-tag cm-bracket" style="box-sizing: border-box"><</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">body</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"><</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">div</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">class</span>=<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"bg-pink-300 text-green-500 font-bold m-4"</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"><</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">h1</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">class</span>=<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"text-3xl my-4"</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span>Tailwind CSS Flex<span class="cm-tag cm-bracket" style="box-sizing: border-box"></</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">h1</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"><</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">p</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">class</span>=<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"text-2xl"</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span>flex-1 Class<span class="cm-tag cm-bracket" style="box-sizing: border-box"></</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">p</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"></</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">div</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box"></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"><</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">div</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">class</span>=<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"bg-green-200 border-4 border-pink-200 w-2/3 ml-32"</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span style="box-sizing: border-box;color: rgb(98, 151, 85) !important"><!-- flex-1 类 --></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"><</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">p</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">class</span>=<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"ml-2"</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span>flex-1 class<span class="cm-tag cm-bracket" style="box-sizing: border-box"></</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">p</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"><</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">div</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">class</span>=<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"flex m-2 text-white"</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"><</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">div</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">class</span>=<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"bg-blue-900 flex-1"</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> flex-1</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"></</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">div</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"><</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">div</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">class</span>=<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"bg-orange-300 flex-1"</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> flex-1</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"></</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">div</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"></</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">div</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> </span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span style="box-sizing: border-box;color: rgb(98, 151, 85) !important"><!-- flex-initial 类 --></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"><</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">p</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">class</span>=<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"ml-2"</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span>flex-initial class<span class="cm-tag cm-bracket" style="box-sizing: border-box"></</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">p</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"><</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">div</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">class</span>=<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"flex m-2 text-white"</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"><</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">div</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">class</span>=<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"bg-green-900 flex-initial"</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> flex-initial 1</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"></</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">div</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"><</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">div</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">class</span>=<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"bg-green-700 flex-initial"</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> flex-initial 2</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"></</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">div</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"></</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">div</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box"></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span style="box-sizing: border-box;color: rgb(98, 151, 85) !important"><!-- flex-auto 类 --></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"><</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">p</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">class</span>=<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"ml-2"</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span>flex-auto class<span class="cm-tag cm-bracket" style="box-sizing: border-box"></</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">p</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"><</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">div</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">class</span>=<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"flex m-2 text-white"</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"><</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">div</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">class</span>=<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"bg-yellow-900 flex-auto"</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> flex-auto 1</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"></</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">div</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"><</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">div</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">class</span>=<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"bg-yellow-700 flex-auto"</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> flex-auto 2</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"></</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">div</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"></</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">div</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"><span style="box-sizing: border-box"></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span style="box-sizing: border-box;color: rgb(98, 151, 85) !important"><!-- flex-none 类 --></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"><</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">p</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">class</span>=<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"ml-2"</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span>flex-none class<span class="cm-tag cm-bracket" style="box-sizing: border-box"></</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">p</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"><</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">div</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">class</span>=<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"flex m-2 text-white"</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"><</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">div</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">class</span>=<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"bg-yellow-900 flex-none"</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> flex-none 1</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"></</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">div</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"><</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">div</span> <span style="box-sizing: border-box;color: rgb(209, 154, 102) !important">class</span>=<span style="box-sizing: border-box;color: rgb(152, 195, 121) !important">"bg-yellow-700 flex-none"</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> flex-none 2</span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"></</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">div</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span style="box-sizing: border-box;color: rgb(171, 178, 191);padding-right: 0.1px"> <span class="cm-tag cm-bracket" style="box-sizing: border-box"></</span><span style="box-sizing: border-box;color: rgb(224, 108, 117) !important">div</span><span class="cm-tag cm-bracket" style="box-sizing: border-box">></span></span><br></br><span 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