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在我购买的脚本的 CSS 文件中，我看到三行让我有些担心：

.h5video .control-panel { height: 45px; width:100%; line-height: 45px; bottom: 0px; left: 0px; background: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAtCAYAAABvewHEAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAEdJREFUeNpiYGBg2Mzg6+v7iunu3bt/mIBcBqb///8jE//+/cPOJZaFkwDbxggEIOI/iGCAE4wQFhAw4GIxYZWFcSEGAAQYAB5zRmw2StEiAAAAAElFTkSuQmCC") repeat-x scroll 0 0 transparent; position: absolute;  }


.h5video .control-panel .seek-bar-guage { height: 7px; background: url("data:image/png;charset=utf-8;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAICAAAAAAdccqdAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAABdJREFUCB1j+M/0g+kr02emj0D4mekrAD41B7hJ9Jz5AAAAAElFTkSuQmCC") repeat-x scroll 0 0 transparent/* #C9DD1A */; width: 0%; left: 0px; z-index: 2; position: absolute; z-index: 0; }
.h5video .control-panel .seek-bar-buffer { height: 7px; width: 0px; top:0px; left: 0px; position: absolute; z-index: 0; background: url(data:image/png;charset=utf-8;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAICAIAAAC3eAIWAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAACFJREFUeNpiyMrKYvrz5w/Tr1+/wPjnz59w/Pv3b4AAAwBFtxXP00sbFwAAAABJRU5ErkJggg==); }

这些都在编码中显示了 Base64，我试图弄清楚它实际上应该在那里显示什么。有人能帮忙吗？

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1 回答 1

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您看到的是 base64 编码图像。您可以对它们进行解码并将它们写入扩展名为 .png 的文件以查看其内容。CSS 中 base64 编码图像的优势在于，它们可以减少浏览器为加载页面而必须向 Web 服务器发出的请求数量。

于 2013-07-06T06:24:48.903 回答