CSS使用toggle控件的方法
本篇文章为大家展示了CSS使用toggle控件的方法,代码简明扼要并且容易理解,绝对能使你眼前一亮,通过这篇文章的详细介绍希望你能有所收获。
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Toggle 控件用于在屏幕上绘制一个开关,通过控制开关的开启与闭合来执行一些具体的操作当用户切换开关状态时,Toggle 控件的绘制函数就会根据不同的切换动作来返回相应的布尔值。选中 Toggle 控件会返回布尔值 true,取消选中就会返回布尔值 false。
效果预览
源代码地址
https://github.com/shanyuhai123/learnCSS/tree/master/0159-halloween-switcher
代码解读
定义容器 halloween-switcher
, 通过 checkbox
来实现切换
引入字体, 居中显示:
@import url('https://fonts.googleapis.com/css?family=Kodchasan'); * { font-family: 'Kodchasan'; } html { font-size: 20px; } body { width: 100vw; height: 100vh; display: flex; align-items: center; justify-content: center; background: #081219; overflow: hidden; }
设置实际容器 label
大小
.halloween-label { width: 30rem; height: 10rem; border: 3px solid #E56D48; border-radius: 10rem; cursor: pointer; display: flex; align-items: center; position: relative; }
增加两种容器的配色
html { --pumpkin-color: #E56D48; --vampire-color: #4D7C99; }
定义 pumpkin-container
, vampire-container
容器 及 文字
.halloween-input ~ .halloween-label::before, .halloween-input:checked ~ .halloween-label::before { position: absolute; font-size: 2.5rem; text-transform: uppercase; } .halloween-input ~ .halloween-label::before { content: 'Pumpkin'; color: var(--pumpkin-color); left: 70%; transform: translateX(-70%); } .halloween-input:checked ~ .halloween-label::before { content: 'Vampire'; color: var(--vampire-color); left: 25%; transform: translateX(-25%); } .halloween-input ~ .halloween-label .pumpkin-container, .halloween-input ~ .halloween-label .vampire-container { width: 9.5rem; height: 9.5rem; border-radius: 50%; position: absolute; left: 0.25rem; overflow: hidden; } .halloween-input ~ .halloween-label .pumpkin-container { background-color: var(--pumpkin-color); filter: opacity(1); } .halloween-input ~ .halloween-label .vampire-container { background-color: var(--vampire-color); filter: opacity(0); } .halloween-input:checked ~ .halloween-label .pumpkin-container { left: calc(100% - 0.25rem); transform: translateX(-100%); filter: opacity(0); } .halloween-input:checked ~ .halloween-label .vampire-container { left: calc(100% - 0.25rem); transform: translateX(-100%); filter: opacity(1); }
增加 label
容器 颜色渐变
.halloween-label { border: 3px solid var(--label-border-color); transition: .5s ease-in-out; } .halloween-label { --label-border-color: var(--pumpkin-color); } .halloween-input:checked ~ .halloween-label { --label-border-color: var(--vampire-color); }
pumpkin-container
, vampire-container
容器 及 文字
动画效果
.halloween-input ~ .halloween-label::before, .halloween-input:checked ~ .halloween-label::before { transition: .5s ease; } .halloween-input ~ .halloween-label .pumpkin-container, .halloween-input ~ .halloween-label .vampire-container { transition: .5s ease; }
先绘画 pumpkin
, 补全 pumpkin-container
新增果肉颜色
html { --pumkin-pulp-color: #330A0F; }
绘画 pumpkin
的 pumpkin__eyes-n-nose
伪元素画出眼睛
.pumpkin__eyes-n-nose { position: absolute; top: 20%; width: 0; height: 0; border-style: solid; border-width: 0 0.8rem 1.6rem 0.8rem; color: var(--pumpkin-color); border-bottom-color: var(--pumkin-pulp-color); background-color: var(--pumkin-pulp-color); } .pumpkin__eyes-n-nose::before, .pumpkin__eyes-n-nose::after { content: ''; position: absolute; width: 1rem; height: 1rem; background-color: var(--pumkin-pulp-color); border-radius: 50%; top: 0.5rem; left: 0; } .pumpkin__eyes-n-nose::before { margin-left: -3.25rem; } .pumpkin__eyes-n-nose::after { margin-left: 2.25rem; }
绘画 pumpkin
的 pumpkin__mouth-n-teeths
伪元素画出牙齿
.pumpkin__mouth-n-teeths { position: absolute; width: 6.5rem; height: 3.25rem; bottom: 10%; background-color: var(--pumkin-pulp-color); border-radius: 0 0 6.5rem 6.5rem; } .pumpkin__mouth-n-teeths::before, .pumpkin__mouth-n-teeths::after { content: ''; position: absolute; height: 0.75rem; width: 1rem; background-color: var(--pumpkin-color); } .pumpkin__mouth-n-teeths::before { top: 0; left: 1.25rem; } .pumpkin__mouth-n-teeths::after { height: 1rem; bottom: 0; right: 1.25rem; }
再绘画 vampire
, 补全 vampire-container
利用 伪元素 绘出 vampire-container
的脸
.vampire-container::before, .vampire-container::after { content: ''; position: absolute; width: 100%; height: 100%; background-color: #c2def2; /* face color */ border-radius: 45% 45% 0 0; top: 0.75rem; } .vampire-container::before { left: -4rem; } .vampire-container::after { right: -4rem; }
伪元素绘出 vampire__eyes
.vampire__eyes { top: 20%; position: absolute; z-index: 1; } .vampire__eyes::before, .vampire__eyes::after { content: ''; position: absolute; width: 1rem; height: 1rem; background-color: #d63e49; /* eye-color */ border-radius: 50%; top: 0.5rem; left: 0; } .vampire__eyes::before { margin-left: -3.25rem; } .vampire__eyes::after { margin-left: 2.25rem; }
绘出 vampire__mouth
.vampire__mouth { position: absolute; width: 6.5rem; height: 3.25rem; background-color: var(--pumkin-pulp-color); bottom: 10%; border-radius: 0 0 6.5rem 6.5rem; display: flex; justify-content: center; overflow: hidden; z-index: 1; }
绘出 vampire__teeths
门牙, 伪元素绘出牙齿
.vampire__teeths { position: absolute; width: 100%; height: 1rem; background-color: #fffae6; top: -1px; } .vampire__teeths::before, .vampire__teeths::after { content: ''; position: absolute; width: 0; height: 0; color: transparent; border-style: solid; border-width: 0.65rem 0.375rem 0 0.375rem; border-top-color: #fffae6; top: 0.95rem; } .vampire__teeths::before { left: 1rem; } .vampire__teeths::after { right: 1rem; }
绘出 vampire__tongue
.vampire__tongue { position: absolute; width: 3.5rem; height: 1.75rem; background-color: #d63e49; bottom: -0.75rem; border-radius: 3.5rem 3.5rem 0 0; }
再接着把 checkbox
隐藏掉即可
.halloween-input { display: none; }
增加微笑动画 smile
.vampire__teeths { animation: smile 2s ease-in-out infinite; } .vampire__tongue { animation: smile 3s ease-in-out infinite; } @keyframes smile { 50% { transform: scaleY(1.5); } }
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