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Home > List of blog posts > 背景控制的常用属性、精灵图的原理与实现、阿里字体图标的完整引用流程
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背景控制的常用属性、精灵图的原理与实现、阿里字体图标的完整引用流程
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背景控制的常用属性

  1. <!DOCTYPE html>
  2. <html lang="en">
  3.   <head>
  4.     <meta charset="UTF-8" />
  5.     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  6.     <title>背景</title>
  7.     <style>
  8.       .box {
  9.         width: 500px;
  10.         height: 500px;
  11.         border: 1px solid black;
  12.         /* 背景色 */
  13.         background-color: lightgoldenrodyellow;
  14.         /* padding: 20px; */
  15.         /* 控制背景的覆盖范围限制在内容区，裁切 */
  16.         background-color: border-box;
  17.         background-color: content-box;
  18.         /* 渐变 */
  19.         /* 从上到下 */
  20.         background: linear-gradient(red, yellow);
  21.         /* 45度 */
  22.         background: linear-gradient(45deg, red, yellow);
  23.         /* 从右到左 */
  24.         background: linear-gradient(to right, red, yellow);
  25.         /* 从左到右的；四色渐变  */
  26.         background: linear-gradient(to left, red, yellow, white, yellow);
  28.         /* 背景图片 */
  29.         background-image: url(girl.jpg);
  30.         /* 背景不重复 */
  31.         background-repeat: no-repeat;
  32.         /* 滚动条 */
  33.         /* background-attachment: fixed; */
  34.         /* 背景定位：位置 */
  35.         /* background-position: 80px 70px; */
  36.         /* 当使用关键字的时候，顺序没有关系。如：left 等，只写一个时，第二个默认为center */
  37.         /* background-position: right center; */
  38.         /* 使用百分比的时候只有一个参数的时候，第二个也默认50% */
  39.         /* background-position: 50% 20%; */
  40.         /* 把图像图像扩展至最大尺寸，以使宽度和高度完全适应内容区域。 */
  41.         background-size: contain;
  42.         /* 把背景图像扩展至足够大，以使背景图像完全覆盖背景区域。背景图像的某些部分也许无法显示在背景定位区域中。 */
  43.         background-size: cover;
  44.         /* 简写 */
  45.         background: url(girl.jpg) cover;
  46.         /* 加阴影 */
  47.         box-shadow: 5px 8px 6px #888;
  48.         /* 圆角 */
  49.         border-radius: 250px;
  50.       }
  51.     </style>
  52.   </head>
  53.   <body>
  54.     <div class="box"></div>
  55.   </body>
  56. </html>

精灵图的原理与实现

  1. <!DOCTYPE html>
  2. <html lang="en">
  3.   <head>
  4.     <meta charset="UTF-8" />
  5.     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  6.     <title>背景实战：精灵图/雪碧图</title>
  7.     <style>
  8.       .box1 {
  9.         width: 500px;
  10.         height: 400px;
  11.         border: 1px solid #000;
  12.         background-image: url("001.png");
  13.         background-repeat: no-repeat;
  14.         background-position: 20px 20px;
  15.       }
  16.       .box2 {
  17.         /* 取灰色房子图标 宽和高需要设置为图标大小*/
  18.         width: 110px;
  19.         height: 110px;
  20.         background-image: url("001.png");
  21.         background-repeat: no-repeat;
  22.         /* 设置x轴110px y轴为0 */
  23.         background-position: -110px -1px;
  24.       }
  25.       .box2:hover {
  26.         /* 取灰色房子图标 宽和高需要设置为图标大小*/
  27.         width: 110px;
  28.         height: 110px;
  29.         background-image: url("001.png");
  30.         background-repeat: no-repeat;
  31.         /* 设置x轴110px y轴为0 */
  32.         background-position: 0px -1px;
  33.       }
  34.       .box3 {
  35.         /* 取橘黄色地球图标 宽和高需要设置为图标大小*/
  36.         width: 110px;
  37.         height: 110px;
  38.         background-image: url("001.png");
  39.         background-repeat: no-repeat;
  40.         /* 设置x轴-220px y轴为-110 */
  41.         background-position: -330px -220px;
  42.       }
  43.       .box3:hover {
  44.         /* 取橘黄色地球图标 宽和高需要设置为图标大小*/
  45.         width: 110px;
  46.         height: 110px;
  47.         background-image: url("001.png");
  48.         background-repeat: no-repeat;
  49.         /* 设置x轴-220px y轴为-110 */
  50.         background-position: -220px -220px;
  51.       }
  52.     </style>
  53.   </head>
  54.   <body>
  55.     <div class="box1"></div>
  56.     <div class="box2"></div>
  57.     <div class="box3"></div>
  58.   </body>
  59. </html>

阿里字体图标的完整引用流程

font-class 引用

  1. <!DOCTYPE html>
  2. <html lang="en">
  3.   <head>
  4.     <meta charset="UTF-8" />
  5.     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  6.     <link rel="stylesheet" href="font/iconfont.css" />
  7.     <title>阿里字体图标的使用方法1-font-class 引用</title>
  8.     <style>
  9.       .ico {
  10.         font-size: 80px;
  11.         color: brown;
  12.       }
  13.     </style>
  14.   </head>
  15.   <body>
  16.     <span class="iconfont icon-taobao ico"></span>
  17.   </body>
  18. </html>

Unicode 引用

deom4.html

  1. <!DOCTYPE html>
  2. <html lang="en">
  3.   <head>
  4.     <meta charset="UTF-8" />
  5.     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  6.     <link rel="stylesheet" href="css.css" />
  7.     <title>阿里字体图标的使用方法2-Unicode 引用</title>
  8.     <style>
  9.       .ico {
  10.         font-size: 50px;
  11.         color: chartreuse;
  12.       }
  13.     </style>
  14.   </head>
  15.   <body>
  16.     <span class="iconfont ico">&#xe683;</span>
  17.   </body>
  18. </html>

css.css

  1. @font-face {
  2.   font-family: "iconfont";
  3.   src: url("font/iconfont.eot");
  4.   src: url("font/iconfont.eot?#iefix") format("embedded-opentype"),
  5.     url("font/iconfont.woff2") format("woff2"),
  6.     url("font/iconfont.woff") format("woff"),
  7.     url("font/iconfont.ttf") format("truetype"),
  8.     url("font/iconfont.svg#iconfont") format("svg");
  9. }
  10. .iconfont {
  11.   font-family: "iconfont" !important;
  12.   font-size: 16px;
  13.   font-style: normal;
  14.   -webkit-font-smoothing: antialiased;
  15.   -moz-osx-font-smoothing: grayscale;
  16. }
Correcting teacher：天蓬老师天蓬老师

Correction status：qualified

Teacher's comments：符号引入， 没有试试看吗？第三种引入方式，也很有意思，非常简单， 有空试试
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