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深入剖析background-image平铺

一、background-image铺满

background-image是CSS中很重要的一部分,可以帮助我们在网页中实现很多图片和背景的效果。background-size属性决定了我们图片在背景中的大小,可以使用cover或contain进行铺满或者填充。使用cover则图片会尽可能地适应元素大小并保持比例不变。使用contain则图片会尝试保持其原始大小,同时适应整个元素。

代码示例:

.background {
  background-image: url('example.jpg');
  background-size: contain;
}

二、使用本地图片作为background-image

在开发网页中,有时候我们需要使用本地图片作为背景图片,可以使用相对路径或者绝对路径指定图片路径。

代码示例:

.background {
  background-image: url('../images/example.jpg');
}

三、CSS background-image

background-image可以与其他CSS属性结合使用,例如background-color,background-repeat等。我们可以使用这些属性来进一步控制我们的背景效果。

代码示例:

.background {
  background-image: url('example.jpg');
  background-color: #fff;
  background-repeat: no-repeat;
}

四、background-image用法

background-image不仅仅可以指定背景图片,还可以使用线性渐变或者径向渐变来实现背景效果。

代码示例:

.background {
  background-image: linear-gradient(to right, #3f87a6, #ebf8e1);
}

五、Idea background-image

在使用Idea进行Web开发的时候,可以直接在CSS文件中使用background-image属性设置背景图片。

代码示例:

.background {
  background-image: url('../images/example.jpg');
}

六、background-image透明度

可以使用rgba属性为background-image设置透明度。通过将a设置成0.5表示背景图片为半透明。

代码示例:

.background {
  background-image: url('example.jpg');
  background-color: rgba(255, 255, 255, 0.5);
}

七、background-image什么意思

background-image指的是背景图片。可以使用url()函数指定图片路径,并使用其他CSS属性控制背景效果。

代码示例:

.background {
  background-image: url('example.jpg');
  background-size: cover;
  background-repeat: no-repeat;
}

八、background-image设置大小

可以通过background-size属性来指定背景图片大小。如果使用cover则图片会尽可能地适应元素大小并保持比例不变。如果使用contain则图片会尝试保持其原始大小,并适应整个元素。

代码示例:

.background {
  background-image: url('example.jpg');
  background-size: contain;
}

九、background-image和background

background-image是background属性中的一部分。background除了包含background-image外,还包含了background-color,background-repeat等其他CSS属性。

代码示例:

.background {
  background: url('example.jpg') center center/cover no-repeat;
  background-color: #fff;
}

十、border-image和background-image选取

border-image指的是用来填充和绘制元素边框的图片。background-image指的是背景图片。border-image主要用来设置边框效果,而background-image主要用来设置背景效果。

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freemarker.core.IteratorBlock.acceptWithResult(IteratorBlock.java:108) at freemarker.core.IteratorBlock.accept(IteratorBlock.java:94) at freemarker.core.Environment.visit(Environment.java:335) at freemarker.core.Environment.visit(Environment.java:341) at freemarker.core.Environment.visit(Environment.java:341) at freemarker.core.Environment.process(Environment.java:314) at freemarker.template.Template.process(Template.java:383) at org.springframework.web.servlet.view.freemarker.FreeMarkerView.processTemplate(FreeMarkerView.java:332) at org.springframework.web.servlet.view.freemarker.FreeMarkerView.doRender(FreeMarkerView.java:266) at org.springframework.web.servlet.view.freemarker.FreeMarkerView.renderMergedTemplateModel(FreeMarkerView.java:220) at org.springframework.web.servlet.view.AbstractTemplateView.renderMergedOutputModel(AbstractTemplateView.java:181) at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:314) at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1431) at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1167) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1106) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:979) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1014) at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:903) at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:564) at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:885) at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:205) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) at com.software.filter.HttpSpiderIdentifyFilter.doFilter(HttpSpiderIdentifyFilter.java:51) 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.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) 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.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 org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:115) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:340) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:391) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:896) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1744) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) at java.base/java.lang.VirtualThread.run(VirtualThread.java:309)