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使用这个CSS属性可以令页面动态背景不受滚动影响

一、什么是动态背景

在网页设计中,动态背景是指指定一个背景图像,并让它作为背景重复出现,从而产生动态背景的效果。这种动态效果可以在让网页更加的生动有趣,增加用户体验。但是,这种效果存在一个问题,就是当用户滚动页面时,动态背景也会跟着滚动。所以,在设计网页时需要使用一些技巧让动态背景不受滚动影响。

二、background-attachment属性的作用

CSS的background-attachment属性决定了背景图像是否固定或者随着文档滚动。其属性值包括fixed、scroll和local,其中,fixed是指固定不动,scroll是指跟着文档滚动,而local是指用于CSS2中的一种非标准的属性值,仅在背景图像高度大于它的容器高度时有用。

因此,如果要令页面中的动态背景不受滚动影响,可以使用CSS的background-attachment属性,将其属性值设置为fixed来达到固定不动的效果。

三、示例代码

以下是一个简单的示例代码,其中使用CSS的background-attachment属性来实现动态背景固定不动的效果:

body {
    background-image: url(background.jpg);
    background-repeat: repeat-y;
    background-attachment: fixed;
}

四、注意事项

需要注意的是,在使用CSS的background-attachment属性时,要考虑到兼容性问题。具体而言,对于一些旧版本的浏览器(如Internet Explorer 6及更早版本),可能无法正确显示该属性。因此,在实际应用时,需要根据实际情况进行测试和调整。

另外,需要注意的是,过度使用动态效果会使网页显得过于花哨,可能会影响用户的阅读体验。因此,在设计网页时,需要根据网页的实际需求来合理地应用动态效果,避免影响用户体验。

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org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:167) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90) at 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