ie8下背景图片平铺问题

时间：2023-03-08 16:35:07

IE9+及其他浏览器实现背景图片平铺可能需要一个属性就可以background-size:100%/cover;

但是ie8下background-size是不兼容的，因此我们需要用到滤镜，来解决背景图片拉伸问题。

仅需如下代码：

filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(
src='../img/news/news-banner.png',
sizingMethod='scale');
-ms-filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(
src='../img/news/news-banner.png',
sizingMethod='scale');

eg:

<!DOCTYPE html>

<html lang="en">

<head>

  <meta charset="UTF-8">

  <meta name="viewport" content="width=device-width,initial-scale=1,user-scalable=no">

  <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />

  <meta name="renderer" content="webkit" />

  <title>投影仪－新闻中心</title>

  <style type="text/css">

  *{margin: 0;padding: 0;}

    .news-banner{

        width:100%;

        height:225px;

        background-position:50%;

        background-size:cover;

        background-repeat: no-repeat;

        background-image:url(news-banner.png);

        filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(

        src='news-banner.png',

        sizingMethod='scale');

        -ms-filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(

        src='news-banner.png',

        sizingMethod='scale');

    }

  </style>

</head>

<body>

  <div class="news-banner">

  </div>

</body>

</html>

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