121 lines
2.7 KiB
Vue
121 lines
2.7 KiB
Vue
<script lang="ts">
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export default {
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name: "LayRate",
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};
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</script>
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<script setup lang="ts">
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import { computed, defineProps, ref, withDefaults } from "vue";
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import "./index.less";
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export interface LayRateProps {
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theme?: string;
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length?: number;
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modelValue: number;
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readonly?: boolean | string;
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half?: boolean;
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text?: boolean;
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isBlock?: boolean;
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icons?: string[];
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}
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const props = withDefaults(defineProps<LayRateProps>(), {
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length: 5,
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modelValue: 0,
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readonly: false,
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half: false,
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text: false,
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isBlock: false,
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icons: () => [
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"layui-icon-rate",
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"layui-icon-rate-half",
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"layui-icon-rate-solid",
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],
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});
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const emit = defineEmits(["update:modelValue", "select"]);
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const currentValue = ref<number>(props.modelValue);
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// 临时存储值
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const tempValue = ref(currentValue.value);
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// 是否存在半颗星
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const isHalf = computed(
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() => props.half && Math.round(currentValue.value) !== currentValue.value
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);
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// 计算评分星值
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const getValue = function (index: number, event: any): number {
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if (!props.half) {
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return index;
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}
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return index - (event.offsetX <= event.target.offsetWidth / 2 ? 0.5 : 0);
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};
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// 在评分星移动事件
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const mousemove = function (index: number, event: any) {
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if (props.readonly) {
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return false;
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}
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currentValue.value = getValue(index, event);
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};
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// 离开评分星事件
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const mouseleave = function () {
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if (props.readonly) {
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return false;
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}
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currentValue.value = tempValue.value;
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};
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// 选择评分星 --> 单击事件
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const action = function (index: number, event: any) {
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if (props.readonly) {
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return false;
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}
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currentValue.value = getValue(index, event);
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tempValue.value = currentValue.value;
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emit("update:modelValue", currentValue.value);
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emit("select", currentValue.value);
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};
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</script>
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<template>
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<div :class="isBlock ? 'layui-block' : 'layui-inline'">
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<ul class="layui-rate" @mouseleave="mouseleave">
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<li
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v-for="index of length"
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:key="index"
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class="layui-inline"
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@mousemove="mousemove(index, $event)"
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@click="action(index, $event)"
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>
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<i
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v-if="index <= Math.ceil(currentValue)"
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:class="[
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'layui-icon',
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`${
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icons[
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icons.length -
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(isHalf && index === Math.ceil(currentValue) ? 2 : 1)
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]
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}`,
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]"
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:style="{ color: theme }"
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></i>
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<i
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v-else
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:class="['layui-icon'].concat(icons[0])"
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:style="{ color: theme }"
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></i>
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</li>
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</ul>
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<template v-if="text">
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<span class="layui-inline">
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<slot :value="currentValue">
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{{ currentValue + "星" }}
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</slot>
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</span>
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</template>
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</div>
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</template>
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