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<template>
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<view class="uni-rate">
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<view :key="index" :style="{ marginLeft: margin + 'px' }" @click="_onClick(index)" class="uni-rate__icon" v-for="(star, index) in stars">
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<uni-icons :color="color" :size="size" :type="isFill ? 'star-filled' : 'star'" />
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<!-- #ifdef APP-NVUE -->
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<view :style="{ width: star.activeWitch.replace('%','')*size/100+'px'}" class="uni-rate__icon-on">
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<uni-icons style="text-align: left;" :color="activeColor" :size="size" type="star-filled" />
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</view>
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<!-- #endif -->
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<!-- #ifndef APP-NVUE -->
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<view :style="{ width: star.activeWitch,top:-size/2+'px' }" class="uni-rate__icon-on">
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<uni-icons :color="activeColor" :size="size" type="star-filled" />
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</view>
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<!-- #endif -->
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</view>
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</view>
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</template>
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<script>
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import uniIcons from "../uni-icons/uni-icons.vue";
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/**
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* Rate 评分
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* @description 评分组件
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* @tutorial https://ext.dcloud.net.cn/plugin?id=33
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* @property {Number} value 当前评分
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* @property {Number} max 最大的评分
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* @property {Number} size 星星的大小
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* @property {Number} margin 星星的间距
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* @property {String} color 星星的颜色
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* @property {String} activeColor 选中状态的星星的颜色
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* @property {Boolean} isFill = [true|false] 星星的类型，是否为实心类型
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* @property {Boolean} disabled = [true|false] 是否为不可点击状态
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* @event {Function} change uniRate 的 value 改变时触发事件，e={value:Number}
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*/
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export default {
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name: "UniRate",
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components: {
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uniIcons
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},
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props: {
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isFill: {
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// 星星的类型，是否镂空
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type: [Boolean, String],
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default: true
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},
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color: {
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// 星星的颜色
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type: String,
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default: "#ececec"
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},
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activeColor: {
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// 星星选中状态颜色
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type: String,
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default: "#ffca3e"
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},
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size: {
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// 星星的大小
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type: [Number, String],
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default: 24
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},
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value: {
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// 当前评分
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type: [Number, String],
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default: 0
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},
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max: {
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// 最大评分
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type: [Number, String],
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default: 5
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},
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margin: {
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// 星星的间距
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type: [Number, String],
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default: 0
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},
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disabled: {
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// 是否可点击
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type: [Boolean, String],
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default: false
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}
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},
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data() {
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return {
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valueSync: ""
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};
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},
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computed: {
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stars() {
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const value = this.valueSync ? this.valueSync : 0;
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const starList = [];
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const floorValue = Math.floor(value);
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const ceilValue = Math.ceil(value);
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// console.log("ceilValue: " + ceilValue);
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// console.log("floorValue: " + floorValue);
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for (let i = 0; i < this.max; i++) {
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if (floorValue > i) {
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starList.push({
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activeWitch: "100%"
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});
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} else if (ceilValue - 1 === i) {
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starList.push({
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activeWitch: (value - floorValue) * 100 + "%"
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});
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} else {
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starList.push({
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activeWitch: "0"
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});
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}
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}
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// console.log("starList[4]: " + starList[4].activeWitch);
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return starList;
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}
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},
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created() {
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this.valueSync = Number(this.value);
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},
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methods: {
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_onClick(index) {
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if (this.disabled) {
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return;
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}
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this.valueSync = index + 1;
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this.$emit("change", {
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value: this.valueSync
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});
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}
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}
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};
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</script>
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<style lang="scss" scoped>
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.uni-rate {
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/* #ifndef APP-NVUE */
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display: flex;
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/* #endif */
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line-height: 0;
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font-size: 0;
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flex-direction: row;
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}
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.uni-rate__icon {
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position: relative;
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line-height: 0;
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font-size: 0;
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}
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.uni-rate__icon-on {
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overflow: hidden;
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position: absolute;
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top: 0;
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left: 0;
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line-height: 1;
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text-align: left;
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}
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</style>
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