(编辑:jimmy 日期: 2024/11/17 浏览:2)
本文实例为大家分享了环形加载进度条封装代码,供大家参考,具体内容如下
1、效果预览
2、用到的知识
主要利用SVG的stroke-dasharray和stroke-dashoffset这两个属性。
在看下面文章之前,你需要了解
<!DOCTYPE html> <html> <head> <title>svg demo</title> <style type="text/css"> #line{ transition: all 2s; stroke-dasharray:300,320; stroke-dashoffset:300; } svg:hover #line{ stroke-dashoffset: 0; } #circle{ transition: all 2s; stroke-dasharray:314,314; stroke-dashoffset:314; } svg:hover #circle{ stroke-dashoffset:0; } </style> </head> <body> <h3>线段区域</h3> <svg width="100%" height="40" > <line id="line" x1="30" y1="30" x2="300" y2="30" stroke-width="20" stroke="red" /> </svg> <h3>圆区域</h3> <svg width="200" height="200" viewBox="0 0 200 200"> <circle id="circle" cx="100" cy="80" r="50" fill="gray" stroke-width="5" stroke="green" /> </svg> </body> </html>
3、使用
有两种方式,一种是直接安装即可使用,一种需要封装。选一种适合自己的即可。
(1)、安装插件
安装Vue插件
npm install loading-vue-component
使用
// main.js import loading from 'loading-vue-component' Vue.use(loading)
// app.vue <template> <div id="app"> <loading :radius="20" :progress="progress" :stroke="2" :color='color'></loading> </div> </template> <script> export default { name: 'app', data() { return { progress: 0,color:'#1989fa'} } } </script>
(2)、封装插件
Vue版
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>loading</title> <style> html, body { display: flex; align-items: center; justify-content: center; height: 100%; position: relative; margin: 0; padding: 0; } circle { transition: stroke-dashoffset 0.15s; transform: rotate(-90deg); transform-origin: 50% 50%; } .txt{ font-size: 14px; text-align: center; } .loading{ padding:40vh; } </style> </head> <body> <div id="example"></div> </body> <script src="/UploadFiles/2021-04-02/vue.js">原生js版
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>progress</title> <style> html, body { background-color: #333; display: flex; align-items: center; justify-content: center; height: 100%; position: relative; } .progress-ring__circle { transition: 0.35s stroke-dashoffset; transform: rotate(-90deg); transform-origin: 50% 50%; } input { position: fixed; top: 10px; left: 10px; width: 80px; } </style> </head> <body> <svg class="progress-ring" width="120" height="120"> <circle class="progress-ring__circle" stroke="white" stroke-width="4" fill="transparent" r="52" cx="60" cy="60" /> </svg> <input value="35" type="number" step="5" min="0" max="100" placeholder="progress"> </body> <script type="text/javascript"> var circle = document.querySelector('circle'); var radius = circle.r.baseVal.value; var circumference = radius * 2 * Math.PI; circle.style.strokeDasharray = `${circumference} ${circumference}`; circle.style.strokeDashoffset = `${circumference}`; function setProgress(percent) { const offset = circumference - percent / 100 * circumference; circle.style.strokeDashoffset = offset; } const input = document.querySelector('input'); setProgress(input.value); input.addEventListener('change', function(e) { if (input.value < 101 && input.value > -1) { setProgress(input.value); } }) </script> </html>以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。