在微信小程序中,有遇到要展現店鋪評分,或者是訂單完成後對商品進行評價,用到了星星展現,查了下,在微信中沒法使用svg實現圖片,微信中只能將svg圖片轉成base64來顯示,因此是在vue中使用的svg來實現評分
微信中的能夠點擊及顯示,可是,顯示的話,在4.2分,4點多分的時候,顯示的是半顆星
![]()
vue中用的是svg實現,因此用的是佔比的形式,能夠有一點點的星
javascript
星星圖片
css
<!-- (size * stars.length + (size/2) * 4 + 20 )這裏的話,是在能夠點擊的時候,加上了好評的字體的長度 --> <view class='starsBox' style='width:{{isClick?(size * stars.length + (size/2) * 4 + 20 ):(size * stars.length)}}rpx;height:{{size}}rpx;'> <view class='stars' style='width:{{size * stars.length}}rpx;height:{{size}}rpx;'> <block wx:for="{{stars}}" wx:key="{{index}}"> <image src="/images/{{item == 0 ? 'grayStar':item}}.png" style='width:{{size}}rpx;height:{{size}}rpx;' data-index="{{index}}" catchtap="computeScore"></image> </block> </view> <view wx:if="{{isClick}}" class='text' style='font-size:{{size/2}}rpx;'> <text wx:if="{{value=='0'}}" class='pointText'>暫無評分</text> <text wx:elif="{{value=='1'}}" class='pointText'>差評</text> <text wx:elif="{{value<'4'}}" class='pointText'>中評</text> <text wx:else class='pointText'>好評</text> </view> </view>
.starsBox{ display: flex; align-items: center; justify-content: flex-start; } .stars{ width: 150rpx; height: 50rpx; display: flex; align-items: center; justify-content: flex-start; } .stars image{ width: 30rpx; height: 30rpx; } .text{ color: #ccc; margin-left: 20rpx; }
Component({ properties: { /* 顯示有色星星的個數 */ value: { type: Number, value: 0, /* 監聽value值的變化 */ observer: function (newVal, oldVal, changedPath) { this.init() } }, /* 設置星星大小 */ size: { type: Number, value: 30 }, /* 是否可點擊,type爲null表示值能夠是任意類型 */ isClick: { type: null, value: false } }, attached() { /* 組件生命週期函數,在組件實例進入頁面節點樹時執行 */ this.init(); }, data: { stars: [0, 0, 0, 0, 0] }, methods: { init() { let star = this.properties.value; let stars = [0, 0, 0, 0, 0]; /* 圖片名稱,經過設置圖片名稱來動態的改變圖片顯示 */ for (let i = 0; i < Math.floor(star); i++) { stars[i] = 'star'; } if (star > Math.floor(star)) { stars[Math.floor(star)] = 'halfStar'; } for (let i = 0; i < stars.length; i++) { if (stars[i] == 0) { stars[i] = 'grayStar'; } } this.setData({ stars }) }, /* 可點擊時,用於計算分數 */ computeScore(e) { let index = e.currentTarget.dataset.index; let isClick = this.data.isClick; if (isClick) { let score = index + 1; this.triggerEvent('compute', { score }); } } } })
<view class="score"> <view class="scoreItem"> <score value="{{shopGrade}}" size="46" isClick="true" bindcompute="computeGrade" /> </view> <view class="scoreItem"> <score value="{{shopGrade1}}" size="46" /> </view> </view>
{ "usingComponents": { "score": "/component/score/index" } }
data: { shopGrade: 0, shopGrade1: 4.6, }, /* 評分處理事件 */ computeGrade(e) { let score = e.detail.score; this.setData({ shopGrade: score }) },
/* 在頭部添加 */ <script type="text/javascript"> document.getElementsByTagName("html")[0].style.fontSize = 100 / 750 * window.screen.width + "px"; </script>
<template> <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" style="position:absolute;width:0;height:0;visibility:hidden"> <defs> <symbol id="star" viewBox="0 0 32 32"> <path class="path1" d="M16 26.382l-8.16 4.992c-1.5 0.918-2.382 0.264-1.975-1.435l2.226-9.303-7.269-6.218c-1.337-1.143-0.987-2.184 0.755-2.322l9.536-0.758 3.667-8.835c0.674-1.624 1.772-1.613 2.442 0l3.667 8.835 9.536 0.758c1.753 0.139 2.082 1.187 0.755 2.322l-7.269 6.218 2.226 9.303c0.409 1.71-0.485 2.347-1.975 1.435l-8.16-4.992z"> </path> </symbol> </defs> </svg> </template> <script></script> <style></style>
<template> <div class="ratingstar"> <section class="star_container"> <svg class="grey_fill" v-for="(num,index) in 5" :key="index"> <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#star"></use> </svg> </section> <div class="star_overflow" :style="'width:'+rating*2/10+'rem'"> <section class="star_container"> <svg class="orange_fill" v-for="(num,index) in 5" :key="index"> <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#star"></use> </svg> </section> </div> <svgIcon></svgIcon> </div> </template> <script> import svgIcon from '@/components/svg' export default { components: { svgIcon }, data() { return { rating: 4.2 } }, } </script> <style lang="less" rel="stylesheet/less" scoped> .ratingstar { position: relative; width: 100%; .star_overflow { overflow: hidden; position: relative; height: 0.65rem; } .star_container { position: absolute; top: 0.05rem; width: 1rem; display: flex; justify-content: flex-start; align-items: center; .grey_fill { width: 0.94rem; height: 0.2rem; fill: #d1d1d1; } .orange_fill { width: 0.94rem; height: 0.2rem; fill: #ff9a0d; } } } </style>
正在努力學習中,若對你的學習有幫助,留下你的印記唄(點個贊咯^_^)