302 lines
9.4 KiB
Vue
302 lines
9.4 KiB
Vue
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<template>
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<view
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:style="$u.toStyle(customStyle)"
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class="u-icon"
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@click="onClick"
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:class="['u-icon--' + labelPos, customClass]"
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>
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<image class="u-icon__img" v-if="isImg" :src="props.name" :mode="imgMode" :style="[imgStyle]" />
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<text
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v-else
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class="u-icon__icon"
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:class="iconClass"
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:style="$u.toStyle(iconStyle)"
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:hover-class="hoverClass"
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@touchstart="onTouchstart"
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>
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<text
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v-if="showDecimalIcon"
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:style="$u.toStyle(decimalIconStyle)"
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:class="decimalIconClass"
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:hover-class="hoverClass"
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class="u-icon__decimal"
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></text>
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</text>
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<text v-if="label !== ''" class="u-icon__label" :style="labelStyle">
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{{ label }}
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</text>
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</view>
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</template>
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<script lang="ts">
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export default {
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name: 'u-icon',
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options: {
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addGlobalClass: true,
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// #ifndef MP-TOUTIAO
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virtualHost: true,
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// #endif
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styleIsolation: 'shared'
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}
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};
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</script>
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<script setup lang="ts">
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import { computed } from 'vue';
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import { $u } from '../..';
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import { IconProps } from './types';
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/**
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* icon 图标
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* @description 基于字体的图标集，包含了大多数常见场景的图标。
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* @tutorial https://uviewpro.cn/zh/components/icon.html
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* @property {String} name 图标名称，见示例图标集
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* @property {String} color 图标颜色（默认inherit）
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* @property {String | Number} size 图标字体大小，单位rpx（默认32）
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* @property {String | Number} label-size label字体大小，单位rpx（默认28）
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* @property {String} label 图标右侧的label文字（默认28）
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* @property {String} label-pos label文字相对于图标的位置，只能right或bottom（默认right）
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* @property {String} label-color label字体颜色（默认var(--u-content-color)）
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* @property {Object} custom-style icon的样式，对象形式
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* @property {String} custom-prefix 自定义字体图标库时，需要写上此值
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* @property {String | Number} margin-left label在右侧时与图标的距离，单位rpx（默认6）
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* @property {String | Number} margin-top label在下方时与图标的距离，单位rpx（默认6）
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* @property {String | Number} margin-bottom label在上方时与图标的距离，单位rpx（默认6）
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* @property {String | Number} margin-right label在左侧时与图标的距离，单位rpx（默认6）
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* @property {String | Number} space label与图标的距离，单位rpx，权重高于 margin
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* @property {String} index 一个用于区分多个图标的值，点击图标时通过click事件传出
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* @property {String} hover-class 图标按下去的样式类，用法同uni的view组件的hover-class参数，详情见官网
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* @property {String} width 显示图片小图标时的宽度
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* @property {String} height 显示图片小图标时的高度
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* @property {String | Number} top 图标在垂直方向上的定位
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* @property {Boolean} show-decimal-icon 是否为DecimalIcon
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* @property {String} inactive-color 背景颜色，可接受主题色，仅Decimal时有效
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* @property {String | Number} percent 显示的百分比，仅Decimal时有效
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* @event {Function} click 点击图标时触发
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* @event {Function} touchstart 图标触摸时触发
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* @example <u-icon name="photo" color="var(--u-type-primary)" size="28"></u-icon>
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*/
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const emit = defineEmits<{
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(e: 'click', index: string | number): void;
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(e: 'touchstart', index: string | number): void;
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}>();
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const props = defineProps(IconProps);
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/**
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* 计算图标的类名集合
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* @returns {string[]}
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*/
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const iconClass = computed(() => {
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let classes: string[] | string = [];
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classes.push(props.customPrefix + '-' + props.name);
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// uView的自定义图标类名为u-iconfont
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if (props.customPrefix === 'uicon') {
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classes.push('u-iconfont');
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} else {
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classes.push(props.customPrefix);
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}
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// 主题色，通过类配置
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if (props.showDecimalIcon && props.inactiveColor && $u.config.type.includes(props.inactiveColor)) {
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classes.push('u-icon__icon--' + props.inactiveColor);
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} else if (props.color && $u.config.type.includes(props.color)) {
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classes.push('u-icon__icon--' + props.color);
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}
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// 阿里，头条，百度小程序通过数组绑定类名时，无法直接使用[a, b, c]的形式，否则无法识别
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// 故需将其拆成一个字符串的形式，通过空格隔开各个类名
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// #ifdef MP-ALIPAY || MP-TOUTIAO || MP-BAIDU
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classes = (classes as string[]).join(' ');
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// #endif
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return classes;
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});
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/**
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* 计算图标的样式
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* @returns {CSSProperties}
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*/
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const iconStyle = computed(() => {
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const style: Record<string, any> = {
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fontSize: props.size === 'inherit' ? 'inherit' : $u.addUnit(props.size),
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fontWeight: props.bold ? 'bold' : 'normal',
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// 某些特殊情况需要设置一个到顶部的距离，才能更好的垂直居中
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top: $u.addUnit(props.top)
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};
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// 非主题色值时，才当作颜色值
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if (props.showDecimalIcon && props.inactiveColor && !$u.config.type.includes(props.inactiveColor)) {
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style.color = props.inactiveColor;
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} else if (props.color && !$u.config.type.includes(props.color)) {
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style.color = props.color;
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}
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return style;
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});
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/**
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* 判断传入的name属性是否为图片路径
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* @returns {boolean}
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*/
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const isImg = computed(() => {
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return props.name.indexOf('/') !== -1;
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});
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/**
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* 计算图片图标的样式
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* @returns {any}
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*/
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const imgStyle = computed(() => {
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// 如果设置width和height属性，则优先使用，否则使用size属性
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const style: any = {
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width: props.width ? $u.addUnit(props.width) : $u.addUnit(props.size),
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height: props.height ? $u.addUnit(props.height) : $u.addUnit(props.size)
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};
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return style;
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});
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/**
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* 计算小数图标的样式，仅DecimalIcon时有效
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* @returns {CSSProperties}
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*/
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const decimalIconStyle = computed(() => {
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const style: any = {
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fontSize: props.size === 'inherit' ? 'inherit' : $u.addUnit(props.size),
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fontWeight: props.bold ? 'bold' : 'normal',
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// 某些特殊情况需要设置一个到顶部的距离，才能更好的垂直居中
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top: $u.addUnit(props.top),
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width: props.percent + '%'
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};
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// 非主题色值时，才当作颜色值
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if (props.color && !$u.config.type.includes(props.color)) {
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style.color = props.color;
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}
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return style;
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});
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/**
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* 计算小数图标的类名，仅DecimalIcon时有效
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* @returns {string | string[]}
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*/
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const decimalIconClass = computed(() => {
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let classes: string[] | string = [];
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classes.push(props.customPrefix + '-' + props.name);
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// uView的自定义图标类名为u-iconfont
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if (props.customPrefix === 'uicon') {
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classes.push('u-iconfont');
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} else {
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classes.push(props.customPrefix);
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}
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if (props.color && $u.config.type.includes(props.color)) {
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classes.push('u-icon__icon--' + props.color);
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} else {
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classes.push('u-icon__icon--primary');
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}
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// 阿里，头条，百度小程序通过数组绑定类名时，无法直接使用[a, b, c]的形式，否则无法识别
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// 故需将其拆成一个字符串的形式，通过空格隔开各个类名
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// #ifdef MP-ALIPAY || MP-TOUTIAO || MP-BAIDU
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classes = (classes as string[]).join(' ');
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// #endif
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return classes;
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});
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/**
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* 计算label的样式
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* @returns {any}
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*/
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const labelStyle = computed(() => {
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return {
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color: props.labelColor,
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fontSize: $u.addUnit(props.labelSize),
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marginLeft: props.labelPos === 'right' ? $u.addUnit(props.space || props.marginLeft) : 0,
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marginTop: props.labelPos === 'bottom' ? $u.addUnit(props.space || props.marginTop) : 0,
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marginRight: props.labelPos === 'left' ? $u.addUnit(props.space || props.marginRight) : 0,
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marginBottom: props.labelPos === 'top' ? $u.addUnit(props.space || props.marginBottom) : 0
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};
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});
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/**
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* 点击图标时触发
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* @emits click(index)
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*/
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function onClick(event: any) {
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emit('click', props.index || event);
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}
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/**
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* 图标触摸时触发
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* @emits touchstart(index)
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*/
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function onTouchstart(event: any) {
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emit('touchstart', props.index || event);
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}
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</script>
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<style scoped lang="scss">
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@import '../../libs/css/style.components.scss';
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@import '../../iconfont.css';
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.u-icon {
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display: inline-flex;
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align-items: center;
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&--left {
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flex-direction: row-reverse;
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align-items: center;
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}
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&--right {
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flex-direction: row;
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align-items: center;
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}
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&--top {
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flex-direction: column-reverse;
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justify-content: center;
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}
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&--bottom {
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flex-direction: column;
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justify-content: center;
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}
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&__icon {
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position: relative;
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&--primary {
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color: $u-type-primary;
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}
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&--success {
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color: $u-type-success;
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}
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&--error {
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color: $u-type-error;
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}
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&--warning {
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color: $u-type-warning;
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}
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&--info {
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color: $u-type-info;
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}
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}
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&__decimal {
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position: absolute;
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top: 0;
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left: 0;
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display: inline-block;
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overflow: hidden;
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}
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&__img {
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height: auto;
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will-change: transform;
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}
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&__label {
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line-height: 1;
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}
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}
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</style>
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