gradient漸層IE相容處理方法解釋

來源:互聯網
上載者:User
根據caniuse(http://caniuse.com/#search=gradient),rgba相容性為IE10以及以上瀏覽器。

執行個體代碼:

<!doctype html><html>    <head>        <meta charset="UTF-8" />        <title>gradient 相容性處理</title>        <style type="text/css">            * {                margin: 0;                padding: 0;            }                        .parent {                width: 400px;                height: 400px;                margin: 100px;                font-size: 20px;                color: #FF0000;                border: 1px solid red;                background: #000000;                background: -moz-linear-gradient(top, #000000 0%, #ffffff 100%);                background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #000000), color-stop(100%, #ffffff));                background: -webkit-linear-gradient(top, #000000 0%, #ffffff 100%);                background: -o-linear-gradient(top, #000000 0%, #ffffff 100%);                background: -ms-linear-gradient(top, #000000 0%, #ffffff 100%);                background: linear-gradient(to bottom, #000000 0%, #ffffff 100%);            }        </style>    </head>    <body>        <div>        </div>    </body></html>

chrome瀏覽器效果:

IE8瀏覽器效果(無漸層):

rgba相容性處理:

.parent {                width: 400px;                height: 400px;                margin: 100px;                font-size: 20px;                color: #FF0000;                border: 1px solid red;                background: #000000;                background: -moz-linear-gradient(top, #000000 0%, #ffffff 100%);                background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #000000), color-stop(100%, #ffffff));                background: -webkit-linear-gradient(top, #000000 0%, #ffffff 100%);                background: -o-linear-gradient(top, #000000 0%, #ffffff 100%);                background: -ms-linear-gradient(top, #000000 0%, #ffffff 100%);                background: linear-gradient(to bottom, #000000 0%, #ffffff 100%);                /*關鍵屬性設定*/                filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#000000', endColorstr='#ffffff', GradientType=0);            }

設定filter屬性目的是上一行的透明度不起作用的時候執行,filter: progid:DXImageTransform.Microsoft.gradient是用來做漸層的,GradientType:可讀寫,設定或檢索色彩漸層的方向:
  1:預設值。水平漸層。
  0:垂直漸層。

總結:至此完成IE9以及以下IE瀏覽器gradient相容性處理。

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