<template>
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<view
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class="tn-tag-class tn-tag"
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:class="[
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tagClass,
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backgroundColorClass,
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fontColorClass
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]"
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:style="[tagStyle]"
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@tap="handleClick"
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>
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<slot></slot>
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</view>
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</template>
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<script>
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import componentsColorMixin from '../../libs/mixin/components_color.js'
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export default {
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mixins: [ componentsColorMixin ],
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options: {
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// 在微信小程序中将组件节点渲染为虚拟节点，更加接近Vue组件的表现(不会出现shadow节点下再去创建元素)
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virtualHost: true
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},
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name: 'tn-tag',
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props: {
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// 序号，用于区分多个标签
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index: {
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type: [Number, String],
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default: '0'
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},
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// 形状 圆角 radius 椭圆 circle 左半圆 circleLeft 右半圆 circleRight
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shape: {
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type: String,
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default: ''
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},
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// 标签大小 sm lg
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size: {
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type: String,
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default: ''
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},
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// 宽度
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width: {
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type: String,
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default: ''
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},
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// 高度
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height: {
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type: String,
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default: ''
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},
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// 内边距
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padding: {
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type: String,
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default: ''
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},
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// 外边距
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margin: {
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type: String,
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default: '0'
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},
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// 是否镂空
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plain: {
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type: Boolean,
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default: false
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},
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// 是否将元素基点设置在左边
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originLeft: {
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type: Boolean,
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default: false
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},
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// 是否将元素基点设置在右边
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originRight: {
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type: Boolean,
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default: false
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}
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},
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computed: {
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tagClass() {
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let clazz = ''
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// 设置标签的形状
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switch(this.shape) {
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case 'radius':
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clazz += ' tn-radius'
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break
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case 'circle':
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clazz += ' tn-round'
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break
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case 'circleLeft':
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clazz += ' tn-tag--fillet-left'
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break
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case 'circleRight':
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clazz += ' tn-tag--fillet-right'
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break
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}
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// 设置为镂空并且设置镂空便可才进行设置
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if (this.plain) {
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clazz += ' tn-tag--plain tn-border-solid'
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if (this.backgroundColor !== '' && this.backgroundColor.includes('tn-bg')) {
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const color = this.backgroundColor.slice(this.backgroundColor.lastIndexOf('-') + 1)
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clazz += ` tn-border-${color}`
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}
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}
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// 设置基准点
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if (this.originLeft) {
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clazz += ' tn-tag--origin-left'
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}
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if (this.originRight) {
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clazz += ' tn-tag--origin-right'
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}
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return clazz
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},
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tagStyle() {
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let style = {}
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switch(this.size) {
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case 'sm':
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style.padding = '0 12rpx'
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style.fontSize = '20rpx'
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style.height = '32rpx'
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break
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case 'lg':
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style.padding = '0 20rpx'
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style.fontSize = '28rpx'
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style.height = '62rpx'
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break
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default:
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style.padding = '0 16rpx'
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style.fontSize = '24rpx'
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style.height = '48rpx'
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break
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}
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style.width = this.width || '120rpx'
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style.height = this.height || style.height
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style.padding = this.padding || style.padding
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if (this.margin) {
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style.margin = this.margin
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}
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if (this.fontColorStyle) {
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style.color = this.fontColorStyle
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}
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if (this.fontSize !== 0) {
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style.fontSize = this.fontSize + this.fontUnit
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}
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if (!this.backgroundColorClass) {
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style.backgroundColor = !this.plain ? (this.backgroundColorStyle || '#FFFFFF') : ''
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if (this.plain) {
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style.borderColor = (this.backgroundColorStyle || '#080808')
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}
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}
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return style
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},
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},
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data() {
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return {
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}
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},
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methods: {
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// 处理点击事件
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handleClick() {
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this.$emit('click', {
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index: Number(this.index)
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})
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this.$emit('tap', {
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index: Number(this.index)
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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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.tn-tag {
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vertical-align: middle;
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position: relative;
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display: inline-flex;
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align-items: center;
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justify-content: center;
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box-sizing: border-box;
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font-family: Helvetica Neue, Helvetica, sans-serif;
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white-space: nowrap;
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// color: #FFFFFF;
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&--fillet-left {
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border-radius: 50rpx 0 0 50rpx;
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}
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&--fillet-right {
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border-radius: 0 50rpx 50rpx 0;
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}
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&--plain {
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background-color: transparent !important;
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background-image: none;
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&.tn-round {
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border-radius: 1000rpx !important;
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}
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&.tn-radius {
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border-radius: 12rpx !important;
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}
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}
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&--origin-left {
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transform-origin: 0 center;
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}
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&--origin-right {
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transform-origin: 100% center;
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}
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}
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</style>
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