前言
H5網站需要IOS滑動按鈕的效果,想了想似乎CSS3能搞起,就折騰出來了...挺簡單的..請看注釋
效果
代碼
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>CSS3類比IOS開關</title> <style type="text/css" media="screen"> /* ========================================================================== 設定根項目字型大小 ========================================================================== */ html { font-size: 100px; } /* ========================================================================== 設定類比元素的包裹層,裝飾...毫無卵用 ========================================================================== */ .ios-checkbox{ height:4rem; width:4rem; position:absolute; left:50%; top:50%; -webkit-transform:translate(-50%, -50%); transform:translate(-50%, -50%); border:.05rem dashed #3DB7A9; display:-webkit-box; display:-webkit-flex; display:-ms-flexbox; display:flex; -webkit-box-orient:horizontal; -webkit-box-direction:normal; -webkit-flex-direction:column; -ms-flex-direction:column; flex-direction:column; -webkit-flex-wrap:nowrap; -ms-flex-wrap:nowrap; flex-wrap:nowrap; -webkit-justify-content:space-around; -ms-flex-pack:distribute; justify-content:space-around; -webkit-box-align:center; -webkit-align-items:center; -ms-flex-align:center; align-items:center; } /* ========================================================================== label標籤類比按鈕 ========================================================================== */ .emulate-ios-button { display: block; width: 2rem; height: 1rem; background: #ccc; border-radius: 5rem; cursor: pointer; position: relative; -webkit-transition: all .3s ease; transition: all .3s ease; } /* ========================================================================== 設定偽類,來實現類比滑塊滑動,過渡用了transition來實現 , translateZ來強制啟用硬體渲染 ========================================================================== */ .emulate-ios-button:after { content: ''; display: block; width: .9rem; height: .9rem; border-radius: 100%; background: #fff; box-shadow: 0 1px 1px rgba(0, 0, 0, .1); position: absolute; left: .05rem; top: .05rem; -webkit-transform:translateZ(0); transform:translateZ(0); -webkit-transition: all .3s ease; transition: all .3s ease; } .emulate-ios-button:active:after { width: 1.1rem; } /* ========================================================================== 設定raw-checkbox,視覺直觀比較 ========================================================================== */ .raw-checkbox{ height:2rem; width:2rem; } .raw-checkbox:checked+label { background: #34bf49; } /* 這裡是虛擬元素位移,初始是0.9+0.05 ,所以這裡1.05rem */ .raw-checkbox:checked+label:after { left: 1.05rem; } .raw-checkbox:checked+label:active:after { left: .5rem; } .raw-checkbox:disabled+label { background: #d5d5d5; pointer-events: none; } .raw-checkbox:disabled+label:after { background: #bcbdbc; } </style></head><body> <p class="ios-checkbox"> <input type="checkbox" id="ios-checkbox" name="emulate-ios-button" class="raw-checkbox"> <label for="ios-checkbox" class="emulate-ios-button"></label> </p></body></html>
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