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uni-app引入使用uView
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export default {
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props: {
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// 标识符
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name: {
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type: String,
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default: uni.$u.props.checkboxGroup.name
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},
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// 绑定的值
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value: {
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type: Array,
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default: uni.$u.props.checkboxGroup.value
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},
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// 形状,circle-圆形,square-方形
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shape: {
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type: String,
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default: uni.$u.props.checkboxGroup.shape
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},
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// 是否禁用全部checkbox
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disabled: {
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type: Boolean,
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default: uni.$u.props.checkboxGroup.disabled
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},
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// 选中状态下的颜色,如设置此值,将会覆盖parent的activeColor值
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activeColor: {
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type: String,
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default: uni.$u.props.checkboxGroup.activeColor
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},
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// 未选中的颜色
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inactiveColor: {
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type: String,
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default: uni.$u.props.checkboxGroup.inactiveColor
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},
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// 整个组件的尺寸,默认px
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size: {
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type: [String, Number],
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default: uni.$u.props.checkboxGroup.size
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},
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// 布局方式,row-横向,column-纵向
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placement: {
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type: String,
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default: uni.$u.props.checkboxGroup.placement
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},
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// label的字体大小,px单位
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labelSize: {
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type: [String, Number],
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default: uni.$u.props.checkboxGroup.labelSize
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},
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// label的字体颜色
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labelColor: {
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type: [String],
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default: uni.$u.props.checkboxGroup.labelColor
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},
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// 是否禁止点击文本操作
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labelDisabled: {
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type: Boolean,
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default: uni.$u.props.checkboxGroup.labelDisabled
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},
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// 图标颜色
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iconColor: {
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type: String,
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default: uni.$u.props.checkboxGroup.iconColor
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},
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// 图标的大小,单位px
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iconSize: {
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type: [String, Number],
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default: uni.$u.props.checkboxGroup.iconSize
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},
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// 勾选图标的对齐方式,left-左边,right-右边
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iconPlacement: {
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type: String,
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default: uni.$u.props.checkboxGroup.iconPlacement
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},
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// 竖向配列时,是否显示下划线
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borderBottom: {
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type: Boolean,
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default: uni.$u.props.checkboxGroup.borderBottom
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}
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}
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}
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<template>
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<view
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class="u-checkbox-group"
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:class="bemClass"
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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 props from './props.js';
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/**
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* checkboxGroup 复选框组
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* @description 复选框组件一般用于需要多个选择的场景,该组件功能完整,使用方便
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* @tutorial https://www.uviewui.com/components/checkbox.html
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* @property {String} name 标识符
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* @property {Array} value 绑定的值
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* @property {String} shape 形状,circle-圆形,square-方形 (默认 'square' )
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* @property {Boolean} disabled 是否禁用全部checkbox (默认 false )
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* @property {String} activeColor 选中状态下的颜色,如设置此值,将会覆盖parent的activeColor值 (默认 '#2979ff' )
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* @property {String} inactiveColor 未选中的颜色 (默认 '#c8c9cc' )
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* @property {String | Number} size 整个组件的尺寸 单位px (默认 18 )
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* @property {String} placement 布局方式,row-横向,column-纵向 (默认 'row' )
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* @property {String | Number} labelSize label的字体大小,px单位 (默认 14 )
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* @property {String} labelColor label的字体颜色 (默认 '#303133' )
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* @property {Boolean} labelDisabled 是否禁止点击文本操作 (默认 false )
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* @property {String} iconColor 图标颜色 (默认 '#ffffff' )
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* @property {String | Number} iconSize 图标的大小,单位px (默认 12 )
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* @property {String} iconPlacement 勾选图标的对齐方式,left-左边,right-右边 (默认 'left' )
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* @property {Boolean} borderBottom placement为row时,是否显示下边框 (默认 false )
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* @event {Function} change 任一个checkbox状态发生变化时触发,回调为一个对象
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* @event {Function} input 修改通过v-model绑定的值时触发,回调为一个对象
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* @example <u-checkbox-group></u-checkbox-group>
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*/
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export default {
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name: 'u-checkbox-group',
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mixins: [uni.$u.mpMixin, uni.$u.mixin,props],
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computed: {
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// 这里computed的变量,都是子组件u-checkbox需要用到的,由于头条小程序的兼容性差异,子组件无法实时监听父组件参数的变化
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// 所以需要手动通知子组件,这里返回一个parentData变量,供watch监听,在其中去通知每一个子组件重新从父组件(u-checkbox-group)
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// 拉取父组件新的变化后的参数
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parentData() {
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return [this.value, this.disabled, this.inactiveColor, this.activeColor, this.size, this.labelDisabled, this.shape,
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this.iconSize, this.borderBottom, this.placement
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]
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},
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bemClass() {
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// this.bem为一个computed变量,在mixin中
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return this.bem('checkbox-group', ['placement'])
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},
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},
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watch: {
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// 当父组件需要子组件需要共享的参数发生了变化,手动通知子组件
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parentData() {
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if (this.children.length) {
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this.children.map(child => {
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// 判断子组件(u-checkbox)如果有init方法的话,就就执行(执行的结果是子组件重新从父组件拉取了最新的值)
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typeof(child.init) === 'function' && child.init()
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})
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}
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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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created() {
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this.children = []
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},
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methods: {
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// 将其他的checkbox设置为未选中的状态
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unCheckedOther(childInstance) {
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const values = []
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this.children.map(child => {
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// 将被选中的checkbox,放到数组中返回
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if (child.isChecked) {
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values.push(child.name)
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}
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})
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// 发出事件
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this.$emit('change', values)
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// 修改通过v-model绑定的值
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this.$emit('input', values)
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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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@import "../../libs/css/components.scss";
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.u-checkbox-group {
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&--row {
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@include flex;
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}
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&--column {
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@include flex(column);
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}
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}
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</style>
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