效果预览按下右侧的“点击预览”按钮可以在当前页面预览，点击链接可以全屏预览。https://codepen.io/comehope/pen/ReGRaO可交互视频此视频是可以交互的，你可以随时暂停视频，编辑视频中的代码。请用 chrome, safari, edge 打开观看。https://scrimba.com/p/pEgDAM/cEJDKSg源代码下载每日前端实战系列的全部源代码请从 github 下载：https://github.com/comehope/front-end-daily-challenges代码解读整个人物分为 3 部分：头、身体、腿，下面按照这个顺序分别画出，先画头部。定义 dom，容器 .baymax 表示大白，head 表示头部：<div class=“baymax”> <div class=“head”> <div class=“eyes”></div> </div></div>居中显示：body { margin: 0; height: 100vh; display: flex; align-items: center; justify-content: center; background-color: rgba(176, 0, 0, 0.75);}定义容器尺寸和子元素对齐方式：.baymax { width: 30em; height: 41em; font-size: 10px; display: flex; justify-content: center; position: relative;}画出头部轮廓：.head { position: absolute; width: 9em; height: 6em; background-color: white; border-radius: 50%; box-shadow: inset 0 -1.5em 3em rgba(0, 0, 0, 0.2), 0 0.5em 1.5em rgba(0, 0, 0, 0.2);}画出双眼中间的线条：.head .eyes { position: absolute; width: 4.8em; height: 0.1em; background-color: #222; top: 2.3em; left: calc((9em - 4.8em) / 2);}画出双眼：.head .eyes::before,.head .eyes::after { content: ‘’; position: absolute; width: 0.8em; height: 0.9em; background-color: #222; border-radius: 50%; top: -0.3em;}.head .eyes::after { right: 0;}接下来画身体。html 文件中增加身体的 dom 元素：<div class=“baymax”> <div class=“head”> <!– 略 –> </div> <div class=“body”> <div class=“chest”> <span class=“button”></span> </div> <div class=“belly”></div> <div class=“left arm”> <div class=“fingers”></div> </div> <div class=“right arm”> <div class=“fingers”></div> </div> </div></div>定义身体的宽度：.body { position: absolute; width: inherit;}画出胸部：.body .chest { position: absolute; width: 19em; height: 26em; background-color: white; top: 4em; left: calc((100% - 19em) / 2); border-radius: 50%; z-index: -1;}画出胸前的按钮：.body .chest .button { position: absolute; width: 2em; height: 2em; background-color: white; border-radius: 50%; top: 4em; right: 4em; box-shadow: inset 0 -0.5em 0.8em rgba(0, 0, 0, 0.15), 0.2em 0.3em 0.2em rgba(0, 0, 0, 0.05); filter: opacity(0.75);}画出肚皮：.body .belly { position: absolute; width: 24em; height: 31em; background-color: white; top: 5.5em; left: calc((100% - 24em) / 2); border-radius: 50%; z-index: -2; box-shadow: inset 0 -2.5em 4em rgba(0, 0, 0, 0.15), 0 0.5em 1.5em rgba(0, 0, 0, 0.25);}定义胳膊的高度起点：.body .arm { position: absolute; top: 7.5em;}胳膊分为肘以上的部分和肘以下的部分。先设计这两段的共有属性：.body .arm::before,.body .arm::after { content: ‘’; position: absolute; background-color: white; border-radius: 50%; transform-origin: top; z-index: -3;}再用伪元素分别画出这两部分：.body .arm::before { width: 9em; height: 20em; left: 7em; transform: rotate(30deg);}.body .arm::after { width: 8em; height: 15em; left: -0.8em; top: 9.5em; transform: rotate(-5deg); box-shadow: inset 0.4em -1em 1em rgba(0, 0, 0, 0.2);}定义两根手指的共有属性：.body .arm .fingers::before,.body .arm .fingers::after { content: ‘’; position: absolute; width: 1.8em; height: 4em; background-color: white; border-radius: 50%; transform-origin: top;}用伪元素分别画出两根手指：.body .arm .fingers::before { top: 22em; left: 2em; transform: rotate(-25deg); box-shadow: inset 0.2em -0.4em 0.4em rgba(0, 0, 0, 0.4);}.body .arm .fingers::after { top: 21.5em; left: 4.8em; transform: rotate(-5deg); box-shadow: inset -0.2em -0.4em 0.8em rgba(0, 0, 0, 0.3); z-index: -3;}至此，完成了右胳膊。把右胳膊复制并水平翻转，即可得到左胳膊：.body .arm.left { transform: scaleX(-1); right: 0; z-index: -3;}接下来画腿部。在 html 文件中增加腿的 dom 元素：<div class=“baymax”> <div class=“head”> <!– 略 –> </div> <div class=“body”> <!– 略 –> </div> <div class=“left leg”></div> <div class=“right leg”></div></div>画出腿的内侧：.leg { position: absolute; width: 5em; height: 16em; bottom: 0; background-color: white; border-bottom-right-radius: 1.5em; left: 10em; box-shadow: inset -0.7em -0.6em 0.7em rgba(0, 0, 0, 0.1); z-index: -3;}画出腿的外侧：.leg::before { content: ‘’; position: absolute; width: 2.5em; height: inherit; background-color: white; border-bottom-left-radius: 100%; left: -2.5em; box-shadow: inset 0.7em 1.5em 0.7em rgba(0, 0, 0, 0.4);}至此，完成了右腿。把右腿复制并水平翻转，即可得到左腿：.leg.left { transform-origin: right; transform: scaleX(-1);}大功告成！