云间玉兔,自出机抒,从零开始制作Web插件网页特效小兔子组件(小挂件widget),基于原生CSS/NPM

云间玉兔,自出机抒,从零开始制作Web插件网页特效小兔子组件(小挂件widget),基于原生CSS/NPM

    著意登楼瞻玉兔,何人张幕遮银阙?又到了一年一度的网页小挂件环节,以往我们都是集成别人开源的组件,但所谓熟读唐诗三百首,不会做诗也会吟,熟读了别人的东西,做几首打油诗也是可以的,但若不能自出机抒,却也成不了大事,所以本次我们从零开始制作属于自己的网页小挂件,博君一晒。

    玉兔主题元素绘制

    成本最低的绘制方式是使用纯CSS,不依赖任何图片和三方库,首先创建绘制容器:

<div id="rabbit_box">



</div>

    由于是小挂件,我们首先将容器固定在右下角:

#rabbit_box{

position: fixed;
bottom: var(--pos,5%);
right: 35px;
z-index: 99;
border: none;
outline: none;
filter: drop-shadow(3px 5px 2px rgb(0 0 0 / 0.4));

}

    这里加了一层filter滤镜,可以让玉兔更加立体。

    考虑到复用性和可移植性,将主题元素动态添加到容器中:

function rabbit_init(){

var container = document.getElementById("rabbit_box");

container.innerHTML = '<div class="rabbit"><div class="rabbit__leg rabbit__leg--one"></div><div class="rabbit__leg rabbit__leg--two"></div><div class="rabbit__tail"></div><div class="rabbit__body"></div><div class="rabbit__leg rabbit__leg--three"></div><div class="rabbit__leg rabbit__leg--four"></div><div class="rabbit__ear rabbit__ear--right"></div><div class="rabbit__head"></div><div class="rabbit__ear rabbit__ear--left"></div></div>';



}

rabbit_init()

    这里玉兔元素由八个小组件构成,分别是头部,四肢,四爪,两只耳朵,眼睛,尾巴以及嘴。

    随后设置CSS样式:

.rabbit .rabbit__body {
width: 4em;
height: 5.6em;
background: #F4F4F4;
border-radius: 50% 50% 50% 50%/60% 60% 40% 40%;
transform: rotate(-40deg);
box-shadow: inset -2.3em -2.7em 0 0 var(--theme-color,#D2DAEE);
}

    兔子身体元素通过border-radius来获得圆润的曲线,同时使用transform旋转元素得到一个适合的角度。最后通过box-shadow属性来设置颜色,颜色可以自定义,如果没有自定义则使用默认值#D2DAEE,注意旋转角度需要指定单位:deg。

    接着绘制头部:

.rabbit .rabbit__head {
position: absolute;
width: 4em;
height: 4.6em;
top: -2.5em;
left: -2em;
background: var(--theme-color,#e1e6f4);
border-radius: 50% 50% 50% 50%/65% 60% 40% 35%;
transform: rotate(-120deg);
overflow: hidden;
}
.rabbit .rabbit__head:before {
content: "";
position: absolute;
width: 0.65em;
height: 0.5em;
top: -0.1em;
left: 1.8em;
background: #F97996;
border-radius: 50% 50% 50% 50%/30% 30% 70% 70%;
transform: rotate(130deg);
}
.rabbit .rabbit__head:after {
content: "";
position: absolute;
width: 1em;
height: 1em;
top: 1.5em;
left: 1.6em;
background: #F4F4F4;
border-radius: 50%;
box-shadow: inset 0.1em 0.15em 0 0.37em #e2262e;
}

     这里通过::before 和 ::after 伪元素在兔子头部元素的前面或后面插入内容,头部前面绘制兔嘴,后面则插入兔子眼睛,之所以这样控制,是因为可以灵活的使用box-shadow填充颜色。

    接着绘制耳朵:

.rabbit .rabbit__ear {
position: absolute;
border-radius: 50% 50% 50% 50%/40% 40% 60% 60%;
transform-origin: 50% 100%;
}
.rabbit .rabbit__ear--left {
width: 2.2em;
height: 4.7em;
top: -5.7em;
left: -0.2em;
background: #F3E3DE;
transform: rotate(60deg);
box-shadow: inset 0.3em -0.4em 0 -0.1em var(--theme-color,#c7d1ea);
-webkit-animation: ear-left 3s infinite ease-out;
animation: ear-left 3s infinite ease-out;
}
.rabbit .rabbit__ear--right {
width: 2em;
height: 4.7em;
top: -5.5em;
left: -0.7em;
background: var(--theme-color,#D2DAEE);
transform: rotate(20deg);
-webkit-animation: ear-right 3s infinite ease-out;
animation: ear-right 3s infinite ease-out;
}

@-webkit-keyframes ear-left {
0%, 20%, 100% {
transform: rotate(40deg);
}
10%, 30%, 80% {
transform: rotate(45deg);
}
90% {
transform: rotate(50deg);
}
}

@keyframes ear-left {
0%, 20%, 100% {
transform: rotate(40deg);
}
10%, 30%, 80% {
transform: rotate(45deg);
}
90% {
transform: rotate(50deg);
}
}
@-webkit-keyframes ear-right {
0%, 20%, 100% {
transform: rotate(10deg);
}
10%, 30%, 80% {
transform: rotate(5deg);
}
90% {
transform: rotate(0deg);
}
}
@keyframes ear-right {
0%, 20%, 100% {
transform: rotate(10deg);
}
10%, 30%, 80% {
transform: rotate(5deg);
}
90% {
transform: rotate(0deg);
}
}

    这里通过-webkit-animation属性让兔子左右耳在3秒内进行来回摆动,达到一种动态效果,注意左耳内侧颜色固定为:#F3E3DE,同时动画会影响元素的布局,需要注意元素的宽高。

    最后就是四肢和尾巴:

.rabbit .rabbit__leg {
position: absolute;
}
.rabbit .rabbit__leg--one {
width: 0.8em;
height: 3em;
top: 2.3em;
left: 0.2em;
background: var(--theme-color,#c7d1ea);
border-radius: 50% 50% 50% 50%/30% 30% 70% 70%;
transform-origin: 50% 0%;
transform: rotate(15deg);
}
.rabbit .rabbit__leg--one:before {
content: "";
position: absolute;
width: 0.8em;
height: 0.5em;
top: 2.6em;
left: -0.2em;
background: #f3f6ff;
border-radius: 50% 50% 50% 50%/70% 70% 30% 30%;
transform: rotate(-10deg);
}
.rabbit .rabbit__leg--three {
width: 0.9em;
height: 3em;
top: 2.4em;
left: 0.7em;
background: var(--theme-color,#e1e6f4);
border-radius: 50% 50% 50% 50%/30% 30% 70% 70%;
transform-origin: 50% 0%;
transform: rotate(10deg);
}
.rabbit .rabbit__leg--three:before {
content: "";
position: absolute;
width: 0.8em;
height: 0.5em;
top: 2.6em;
left: -0.2em;
background: #f3f6ff;
border-radius: 50% 50% 50% 50%/70% 70% 30% 30%;
transform: rotate(-10deg);
}
.rabbit .rabbit__leg--two {
width: 2.6em;
height: 3.6em;
top: 1.7em;
left: 1.6em;
background: #c7d1ea;
border-radius: 50% 50% 50% 50%/50% 50% 50% 50%;
transform-origin: 50% 0%;
transform: rotate(10deg);
}
.rabbit .rabbit__leg--two:before {
content: "";
position: absolute;
width: 1.6em;
height: 0.8em;
top: 3.05em;
left: 0em;
background: #f3f6ff;
border-radius: 50% 50% 50% 50%/70% 70% 30% 30%;
transform: rotate(-10deg);
}
.rabbit .rabbit__leg--four {
width: 2.6em;
height: 3.6em;
top: 1.8em;
left: 2.1em;
background: var(--theme-color,#e1e6f4);
border-radius: 50% 50% 50% 50%/50% 50% 50% 50%;
transform-origin: 50% 0%;
transform: rotate(10deg);
}
.rabbit .rabbit__leg--four:before {
content: "";
position: absolute;
width: 1.6em;
height: 0.8em;
top: 3.05em;
left: 0em;
background: #f3f6ff;
border-radius: 50% 50% 50% 50%/70% 70% 30% 30%;
transform: rotate(-10deg);
}
.rabbit .rabbit__tail {
position: absolute;
width: 0.9em;
height: 0.9em;
top: 3.7em;
left: 4em;
background: var(--theme-color,#D2DAEE);
transform: rotate(25deg);
}
.rabbit .rabbit__tail:after, .rabbit .rabbit__tail:before {
content: "";
position: absolute;
width: 100%;
height: 100%;
background: var(--theme-color,#D2DAEE);
border-radius: 50%;
}
.rabbit .rabbit__tail:before {
top: 0;
left: -50%;
}
.rabbit .rabbit__tail:after {
top: 50%;
left: 0;
}

    这里四肢和四爪的颜色应该有差异,四肢颜色可以自定义,四爪固定为白色,以达到“四蹄踏雪”的效果。

    接着改造初始化函数,使其可以动态更改颜色:

function rabbit_init(color=null,pos=null){

var container = document.getElementById("rabbit_box");

container.innerHTML = '<div class="rabbit"><div class="rabbit__leg rabbit__leg--one"></div><div class="rabbit__leg rabbit__leg--two"></div><div class="rabbit__tail"></div><div class="rabbit__body"></div><div class="rabbit__leg rabbit__leg--three"></div><div class="rabbit__leg rabbit__leg--four"></div><div class="rabbit__ear rabbit__ear--right"></div><div class="rabbit__head"></div><div class="rabbit__ear rabbit__ear--left"></div></div>';

if(color != null){

document.documentElement.style.setProperty("--theme-color",color);

}
if(pos != null){

document.documentElement.style.setProperty("--pos",pos);

}

}

rabbit_init("pink")

    最终效果:


    

   开源发布

    现在我们将这个开源特效打包上线,首先创建项目目录:

mkdir rabbit

    随后将特效的样式CSS代码以及JS代码分别抽离出来:rabbit.css:

.rabbit {
position: relative;
}
.rabbit .rabbit__body {
width: 4em;
height: 5.6em;
background: #F4F4F4;
border-radius: 50% 50% 50% 50%/60% 60% 40% 40%;
transform: rotate(-40deg);
box-shadow: inset -2.3em -2.7em 0 0 var(--theme-color,#D2DAEE);
}
.rabbit .rabbit__head {
position: absolute;
width: 4em;
height: 4.6em;
top: -2.5em;
left: -2em;
background: var(--theme-color,#e1e6f4);
border-radius: 50% 50% 50% 50%/65% 60% 40% 35%;
transform: rotate(-120deg);
overflow: hidden;
}
.rabbit .rabbit__head:before {
content: "";
position: absolute;
width: 0.65em;
height: 0.5em;
top: -0.1em;
left: 1.8em;
background: #F97996;
border-radius: 50% 50% 50% 50%/30% 30% 70% 70%;
transform: rotate(130deg);
}
.rabbit .rabbit__head:after {
content: "";
position: absolute;
width: 1em;
height: 1em;
top: 1.5em;
left: 1.6em;
background: #F4F4F4;
border-radius: 50%;
box-shadow: inset 0.1em 0.15em 0 0.37em #e2262e;
}
.rabbit .rabbit__ear {
position: absolute;
border-radius: 50% 50% 50% 50%/40% 40% 60% 60%;
transform-origin: 50% 100%;
}
.rabbit .rabbit__ear--left {
width: 2.2em;
height: 4.7em;
top: -5.7em;
left: -0.2em;
background: #F3E3DE;
transform: rotate(60deg);
box-shadow: inset 0.3em -0.4em 0 -0.1em var(--theme-color,#c7d1ea);
-webkit-animation: ear-left 3s infinite ease-out;
animation: ear-left 3s infinite ease-out;
}
.rabbit .rabbit__ear--right {
width: 2em;
height: 4.7em;
top: -5.5em;
left: -0.7em;
background: var(--theme-color,#D2DAEE);
transform: rotate(20deg);
-webkit-animation: ear-right 3s infinite ease-out;
animation: ear-right 3s infinite ease-out;
}
.rabbit .rabbit__leg {
position: absolute;
}
.rabbit .rabbit__leg--one {
width: 0.8em;
height: 3em;
top: 2.3em;
left: 0.2em;
background: var(--theme-color,#c7d1ea);
border-radius: 50% 50% 50% 50%/30% 30% 70% 70%;
transform-origin: 50% 0%;
transform: rotate(15deg);
}
.rabbit .rabbit__leg--one:before {
content: "";
position: absolute;
width: 0.8em;
height: 0.5em;
top: 2.6em;
left: -0.2em;
background: #f3f6ff;
border-radius: 50% 50% 50% 50%/70% 70% 30% 30%;
transform: rotate(-10deg);
}
.rabbit .rabbit__leg--three {
width: 0.9em;
height: 3em;
top: 2.4em;
left: 0.7em;
background: var(--theme-color,#e1e6f4);
border-radius: 50% 50% 50% 50%/30% 30% 70% 70%;
transform-origin: 50% 0%;
transform: rotate(10deg);
}
.rabbit .rabbit__leg--three:before {
content: "";
position: absolute;
width: 0.8em;
height: 0.5em;
top: 2.6em;
left: -0.2em;
background: #f3f6ff;
border-radius: 50% 50% 50% 50%/70% 70% 30% 30%;
transform: rotate(-10deg);
}
.rabbit .rabbit__leg--two {
width: 2.6em;
height: 3.6em;
top: 1.7em;
left: 1.6em;
background: #c7d1ea;
border-radius: 50% 50% 50% 50%/50% 50% 50% 50%;
transform-origin: 50% 0%;
transform: rotate(10deg);
}
.rabbit .rabbit__leg--two:before {
content: "";
position: absolute;
width: 1.6em;
height: 0.8em;
top: 3.05em;
left: 0em;
background: #f3f6ff;
border-radius: 50% 50% 50% 50%/70% 70% 30% 30%;
transform: rotate(-10deg);
}
.rabbit .rabbit__leg--four {
width: 2.6em;
height: 3.6em;
top: 1.8em;
left: 2.1em;
background: var(--theme-color,#e1e6f4);
border-radius: 50% 50% 50% 50%/50% 50% 50% 50%;
transform-origin: 50% 0%;
transform: rotate(10deg);
}
.rabbit .rabbit__leg--four:before {
content: "";
position: absolute;
width: 1.6em;
height: 0.8em;
top: 3.05em;
left: 0em;
background: #f3f6ff;
border-radius: 50% 50% 50% 50%/70% 70% 30% 30%;
transform: rotate(-10deg);
}
.rabbit .rabbit__tail {
position: absolute;
width: 0.9em;
height: 0.9em;
top: 3.7em;
left: 4em;
background: var(--theme-color,#D2DAEE);
transform: rotate(25deg);
}
.rabbit .rabbit__tail:after, .rabbit .rabbit__tail:before {
content: "";
position: absolute;
width: 100%;
height: 100%;
background: var(--theme-color,#D2DAEE);
border-radius: 50%;
}
.rabbit .rabbit__tail:before {
top: 0;
left: -50%;
}
.rabbit .rabbit__tail:after {
top: 50%;
left: 0;
}

@-webkit-keyframes ear-left {
0%, 20%, 100% {
transform: rotate(40deg);
}
10%, 30%, 80% {
transform: rotate(45deg);
}
90% {
transform: rotate(50deg);
}
}

@keyframes ear-left {
0%, 20%, 100% {
transform: rotate(40deg);
}
10%, 30%, 80% {
transform: rotate(45deg);
}
90% {
transform: rotate(50deg);
}
}
@-webkit-keyframes ear-right {
0%, 20%, 100% {
transform: rotate(10deg);
}
10%, 30%, 80% {
transform: rotate(5deg);
}
90% {
transform: rotate(0deg);
}
}
@keyframes ear-right {
0%, 20%, 100% {
transform: rotate(10deg);
}
10%, 30%, 80% {
transform: rotate(5deg);
}
90% {
transform: rotate(0deg);
}
}

#rabbit_box{

position: fixed;
bottom: var(--pos,5%);
right: 35px;
z-index: 99;
border: none;
outline: none;
filter: drop-shadow(3px 5px 2px rgb(0 0 0 / 0.4));

}

    rabbit.js代码:

(function (name, context, fn) {
if (typeof module != 'undefined' && module.exports) {
// Node 环境
module.exports = fn();
} else if (typeof context['define'] == 'function' && (context['define']['amd'] || context['define']['cmd'])) {
// Require.js 或 Sea.js 环境
define(fn);
} else {
// client 环境
context[name] = fn();
}
})('rabbit_init', this, function () {
return function (color=null,pos=null) {


var container = document.getElementById("rabbit_box");

container.innerHTML = '<div class="rabbit"><div class="rabbit__leg rabbit__leg--one"></div><div class="rabbit__leg rabbit__leg--two"></div><div class="rabbit__tail"></div><div class="rabbit__body"></div><div class="rabbit__leg rabbit__leg--three"></div><div class="rabbit__leg rabbit__leg--four"></div><div class="rabbit__ear rabbit__ear--right"></div><div class="rabbit__head"></div><div class="rabbit__ear rabbit__ear--left"></div></div>';

if(color != null){

document.documentElement.style.setProperty("--theme-color",color);

}
if(pos != null){

document.documentElement.style.setProperty("--pos",pos);

}


}
});

    保存在项目的lib目录。

    首先将项目提交到Github:    https://github.com/zcxey2911/rabbit

    随后运行命令填写NPM配置:

npm init

    entry point 配置项填写你的入口文件:

entry point: ./lib/rabbit.js

    登录NPM账号,随后发布:

npm login
npm publish

    登录之前,最好将切换回默认源,否则无法登录:

npm config set registry=https://registry.npmjs.com

    发布成功后,查看发布内容:https://www.npmjs.com/package/rabbit-widget

   开源库引入和使用

    首先需要引入模块,可以使用 CDN 直接引入或者通过 NPM 包的形式安装。

    直接引入:

<!-- https://cdn.jsdelivr.net/gh/zcxey2911/rabbit@v1.0.0/lib/rabbit.css -->
<!-- https://cdn.jsdelivr.net/gh/zcxey2911/rabbit@v1.0.0/lib/rabbit.js -->

<link
rel="stylesheet"
href="https://cdn.jsdelivr.net/gh/zcxey2911/rabbit@v1.0.0/lib/rabbit.css"
/>

<div id="rabbit_box">
</div>

<script>

function init_rabbit(){

rabbit_init("pink","20%"); // 粉色 高度20%

//rabbit_init(); //默认颜色 默认位置

}

</script>


<script
async
onload="init_rabbit()"
src="https://cdn.jsdelivr.net/gh/zcxey2911/rabbit@v1.0.0/lib/rabbit.js"
></script>

    NPM 包的形式安装:

// npm install --save rabbit-widget
import 'rabbit-widget/lib/rabbit.css';

var rabbit_init = require('rabbit-widget');

rabbit_init();

    如果使用NPM导入模块的形式引入,请确保页面加载完毕之后执行再执行rabbit_init();,否则会报错:Uncaught TypeError: Cannot set properties of null (setting 'innerHTML')。

    这里以Vue.js3.0组件为例子:

<template>
<a-layout class="layout">
<a-layout-header>
<div class="logo" />

<ad_header />



</a-layout-header>
<a-layout-content style="padding: 0 50px">
<a-breadcrumb style="margin: 16px 0">
<a-breadcrumb-item>广告平台</a-breadcrumb-item>
<a-breadcrumb-item>首页</a-breadcrumb-item>

</a-breadcrumb>
<div :style="{ background: '#fff', padding: '24px', minHeight: '280px' }">


这里是首页


<div id="rabbit_box"></div>


</div>
</a-layout-content>
<a-layout-footer style="text-align: center">
在线广告平台
</a-layout-footer>
</a-layout>
</template>

<script>

import ad_header from './ad_header';

import 'rabbit-widget/lib/rabbit.css';

var rabbit_init = require('rabbit-widget');


export default {
data() {
return {



}
},
//声明子组件
components:{

'ad_header':ad_header


},
methods:{




},
created(){


this.$nextTick(() => {
console.log("页面加载完啦~")

rabbit_init();
})


}

}
</script>
<style>
.site-layout-content {
min-height: 280px;
padding: 24px;
background: #fff;
}
#components-layout-demo-top .logo {
float: left;
width: 120px;
height: 31px;
margin: 16px 24px 16px 0;
background: rgba(255, 255, 255, 0.3);
}
.ant-row-rtl #components-layout-demo-top .logo {
float: right;
margin: 16px 0 16px 24px;
}

[data-theme='dark'] .site-layout-content {
background: #141414;
}
</style>

    项目中引入效果:


    结语

    奉上项目代码,与众亲同飨:https://github.com/zcxey2911/rabbit https://www.npmjs.com/package/rabbit-widget ,最后祝各位乡亲祥瑞玉兔,人机平安,愿诸君2023年武运昌隆,前端一统。