How to set a background image when developing a small program

Introduction:

We know that when developing WeChat applet, we cannot directly reference local images in the wxss file, otherwise the following error will occur during runtime:

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"Local resource images cannot be obtained through WXSS. You can use network images, or base64, or use

This article introduces how to use the tag.

Specific steps:

1. Add an tag in the wxml file:

<!--页面根标签-->
<view class="content">
	<!--pics文件夹下的background.jpg文件-->
	<image class=&#39;background&#39; src="../../pics/background.jpg" mode="aspectFill"></image>
	<!--页面其它部分-->
</view>

2. Add:

page{
  height:100%;
}
.background {
  width: 100%;
  height: 100%;
  position:fixed; 
  background-size:100% 100%;
  z-index: -1;
}

It should be noted that z-index: -1 can put the picture at the bottom without affecting other parts.

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