Star.vue：
<template> <div :class="starSize"> <span v-for="(itemClass,key) in itemClasses" :class="itemClass"></span> </div> </template> <script> const LENGTH = 5; const CLS_ON = 'on'; const CLS_HALF = 'half'; const CLS_OFF = 'off'; export default{ props:{ size:{ //尺寸，24,36,48 type: Number }, score:{ type: Number } }, computed:{ starSize(){ return 'star-'+ this.size; }, itemClasses(){ let result = []; let score = Math.floor(this.score*2)/2; //将数值调整为整数及.5的形式，例：4.3 => 4；4.6 => 4.5 let hasDecimal = score %1 !==0; let integer = Math.floor(score); for(let i =0;i<integer;i++){ result.push(CLS_ON); } if(hasDecimal){ result.push(CLS_HALF); } while(result.length<LENGTH){ result.push(CLS_OFF); } return result; } } } </script> <style lang="stylus"> @import "../../common/stylus/mixin.styl"; .star font-size: 0 .star-item display: inline-block background-repeat: no-repeat &.star-48 .star-item width: 20px height: 20px margin-right: 22px background-size: 20px 20px &.last-child margin-right: 0 &.on bg-image('star48_on') &.half bg-image('star48_half') &.off bg-image('star48_off') &.star-36 .star-item width: 15px height: 15px margin-right: 6px background-size: 15px 15px &.last-child margin-right: 0 &.on bg-image('star36_on') &.half bg-image('star36_half') &.off bg-image('star36_off') &.star-24 .star-item width: 10px height: 10px margin-right: 3px background-size: 10px 10px &.last-child margin-right: 0 &.on bg-image('star24_on') &.half bg-image('star24_half') &.off bg-image('star24_off') </style>
Header.vue：
<star :size="48" :score="3.5"></star> <script> import star from '../star/Star.vue' export default{ components:{ star } } </script>
mixin.styl：
bg-image($url) background-image: url($url + '@2x.png') @media (-webkit-min-device-pixel-ratio: 3),(min-device-pixel-ratio:3) background-image: url($url + '@3x.png')
以上这篇vue-star评星组件开发实例就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持脚本之家。
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