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前言
在微信小程序开发的时候,也会遇到一些和在前端开发一样的样式需求,二者的相通类似性非常的高,就拿样式相关的需求来说,可以说是一模一样的操作。那么本文就来分享一个关于实现高斯模糊效果的需求,微信小程序和前端的操作一样,这里只来介绍一下微信小程序实现高斯模糊效果的实现。
首先来了解一下高斯模糊效果(俗称毛玻璃效果),高斯模糊效果是一种常见的效果,在前端开发过程中(包括微信小程序开发)设置高斯模糊效果主要是直接在CSS中使用filter、backdrop属性都可以实现该效果。
一、filter
通过直接在CSS中使用filter来设置实现高斯模糊效果,其实filter是一种“假模糊”,因为需要一层做背景并且使用filter属性来达到模糊效果,另外一层(需要在背景层上面
)设置一个半透明的背景色,二者结合使用,才能达到模糊效果。
具体示例如下所示:
.matter-view { position: absolute; width: 100%; height: 100%; top: 0;
left: 0; background-color: #000; opacity: 0.6; filter:
alpha(opacity=60); //设置filter属性 }