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微信小程序仿 Material Design 风格的浮动动作按钮
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/* | |
Material Design 风格的浮动动作按钮(Floating Action Button) | |
用法: | |
<fab catchtap="someAction"/> | |
<fab class="close" catchtap="someAction"/> | |
<fab class="confirm" catchtap="someAction"/> | |
<fab class="{{ canPublish ? '' : 'hidden' }}" catchtap="someAction"/> | |
在上述几个class做动态切换时,会有动画效果。 | |
*/ | |
fab { | |
position: fixed; | |
right: 30rpx; | |
bottom: 30rpx; | |
width: 109rpx; | |
height: 109rpx; | |
background: #000000; | |
border-radius: 50%; | |
display: block; | |
/*box-shadow: 0 8rpx 12rpx rgba(2, 0, 33, .2);*/ | |
-webkit-transition: .25s; | |
z-index: 99999999999; | |
} | |
/* 加号的横 */ | |
fab::before { | |
content: ' '; | |
position: absolute; | |
display: block; | |
right: 35rpx; | |
bottom: 53rpx; | |
width: 40rpx; | |
height: 4rpx; | |
background: #fff; | |
-webkit-transition: .25s; | |
} | |
/* 加号的竖 */ | |
fab::after { | |
content: ' '; | |
position: absolute; | |
display: block; | |
right: 53rpx; | |
bottom: 35rpx; | |
width: 4rpx; | |
height: 40rpx; | |
background: #fff; | |
-webkit-transition: .25s; | |
} | |
/* 叉的第一笔 */ | |
fab.close::before { | |
-webkit-transform: rotate(45deg); | |
} | |
/* 叉的第二笔 */ | |
fab.close::after { | |
-webkit-transform: rotate(45deg); | |
} | |
/* 对勾的第一笔 */ | |
fab.confirm::before { | |
-webkit-transform: rotate(45deg); | |
right: 58rpx; | |
bottom: 44rpx; | |
width: 25rpx; | |
} | |
/* 对勾的第二笔 */ | |
fab.confirm::after { | |
-webkit-transform: rotate(45deg); | |
right: 46rpx; | |
bottom: 30rpx; | |
height: 45rpx; | |
} | |
/* Material 点击效果 */ | |
fab:active { | |
background: #212121; | |
/*box-shadow: 0 2rpx 4rpx rgba(2, 0, 33, .2);*/ | |
-webkit-transition: .25s; | |
} | |
/* fab 支持 hidden 属性,可动态显示或隐藏 */ | |
fab.hidden { | |
bottom: -120rpx; | |
} | |
/* hidden 状态下加号半透明 */ | |
fab.hidden::before, | |
fab.hidden::after { | |
opacity: 0; | |
} |
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