vue星级评分组件

<template>

<div class="Rating-gray">

<i v-for="(item,index) in itemClasses" :key="index" class="fa" :class="item"></i>

</div>

</template>

<script>

// 星星长度

const LENGTH = 5;

// 星星对应的class

const CLS_ON = "fa-star";

const CLS_HALF = "fa-star-half-empty";

const CLS_OFF = "fa-star-o";

export default {

name: "Rating",

props: {

rating: Number

},

computed: {

itemClasses() {

// 4.8 四个全星 1个半星

let result = [];

// 对分数进行处理, 向下取0.5的倍数

let score = Math.floor(this.rating * 2) / 2;

// 控制半星

let hasDecimal = score % 1 !== 0;

// 全星

let integer = Math.floor(score);

// 全星放入到数组中

for (let i = 0; i < integer; i++) {

result.push(CLS_ON);

}

// 半星

if (hasDecimal) {

result.push(CLS_HALF);

}

// 补齐

while (result.length < LENGTH) {

result.push(CLS_OFF);

}

return result;

}

}

};

</script>

<style scoped>

.Rating-gray {

margin-right: 1.066667vw;

color: #ffbe00;

display: inline-block;

}

</style>