更新大理市民卡app
diff --git a/uview-ui/components/u-dropdown-item/u-dropdown-item.vue b/uview-ui/components/u-dropdown-item/u-dropdown-item.vue
new file mode 100644
index 0000000..ba60d8f
--- /dev/null
+++ b/uview-ui/components/u-dropdown-item/u-dropdown-item.vue
@@ -0,0 +1,132 @@
+<template>
+ <view class="u-dropdown-item" v-if="active" @touchmove.stop.prevent="() => {}" @tap.stop.prevent="() => {}">
+ <block v-if="!$slots.default && !$slots.$default">
+ <scroll-view scroll-y="true" :style="{
+ height: $u.addUnit(height)
+ }">
+ <view class="u-dropdown-item__options">
+ <u-cell-group>
+ <u-cell-item @click="cellClick(item.value)" :arrow="false" :title="item.label" v-for="(item, index) in options"
+ :key="index" :title-style="{
+ color: value == item.value ? activeColor : inactiveColor
+ }">
+ <u-icon v-if="value == item.value" name="checkbox-mark" :color="activeColor" size="32"></u-icon>
+ </u-cell-item>
+ </u-cell-group>
+ </view>
+ </scroll-view>
+ </block>
+ <slot v-else />
+ </view>
+</template>
+
+<script>
+ /**
+ * dropdown-item 下拉菜单
+ * @description 该组件一般用于向下展开菜单,同时可切换多个选项卡的场景
+ * @tutorial http://uviewui.com/components/dropdown.html
+ * @property {String | Number} v-model 双向绑定选项卡选择值
+ * @property {String} title 菜单项标题
+ * @property {Array[Object]} options 选项数据,如果传入了默认slot,此参数无效
+ * @property {Boolean} disabled 是否禁用此选项卡(默认false)
+ * @property {String | Number} duration 选项卡展开和收起的过渡时间,单位ms(默认300)
+ * @property {String | Number} height 弹窗下拉内容的高度(内容超出将会滚动)(默认auto)
+ * @example <u-dropdown-item title="标题"></u-dropdown-item>
+ */
+ export default {
+ name: 'u-dropdown-item',
+ props: {
+ // 当前选中项的value值
+ value: {
+ type: [Number, String, Array],
+ default: ''
+ },
+ // 菜单项标题
+ title: {
+ type: [String, Number],
+ default: ''
+ },
+ // 选项数据,如果传入了默认slot,此参数无效
+ options: {
+ type: Array,
+ default () {
+ return []
+ }
+ },
+ // 是否禁用此菜单项
+ disabled: {
+ type: Boolean,
+ default: false
+ },
+ // 下拉弹窗的高度
+ height: {
+ type: [Number, String],
+ default: 'auto'
+ },
+ },
+ data() {
+ return {
+ active: false, // 当前项是否处于展开状态
+ activeColor: '#2979ff', // 激活时左边文字和右边对勾图标的颜色
+ inactiveColor: '#606266', // 未激活时左边文字和右边对勾图标的颜色
+ }
+ },
+ computed: {
+ // 监听props是否发生了变化,有些值需要传递给父组件u-dropdown,无法双向绑定
+ propsChange() {
+ return `${this.title}-${this.disabled}`;
+ }
+ },
+ watch: {
+ propsChange(n) {
+ // 当值变化时,通知父组件重新初始化,让父组件执行每个子组件的init()方法
+ // 将所有子组件数据重新整理一遍
+ if (this.parent) this.parent.init();
+ }
+ },
+ created() {
+ // 父组件的实例
+ this.parent = false;
+ },
+ methods: {
+ init() {
+ // 获取父组件u-dropdown
+ let parent = this.$u.$parent.call(this, 'u-dropdown');
+ if (parent) {
+ this.parent = parent;
+ // 将子组件的激活颜色配置为父组件设置的激活和未激活时的颜色
+ this.activeColor = parent.activeColor;
+ this.inactiveColor = parent.inactiveColor;
+ // 将本组件的this,放入到父组件的children数组中,让父组件可以操作本(子)组件的方法和属性
+ // push进去前,显判断是否已经存在了本实例,因为在子组件内部数据变化时,会通过父组件重新初始化子组件
+ let exist = parent.children.find(val => {
+ return this === val;
+ })
+ if (!exist) parent.children.push(this);
+ if (parent.children.length == 1) this.active = true;
+ // 父组件无法监听children的变化,故将子组件的title,传入父组件的menuList数组中
+ parent.menuList.push({
+ title: this.title,
+ disabled: this.disabled
+ });
+ }
+ },
+ // cell被点击
+ cellClick(value) {
+ // 修改通过v-model绑定的值
+ this.$emit('input', value);
+ // 通知父组件(u-dropdown)收起菜单
+ this.parent.close();
+ // 发出事件,抛出当前勾选项的value
+ this.$emit('change', value);
+ }
+ },
+ mounted() {
+ this.init();
+ }
+ }
+</script>
+
+<style scoped lang="scss">
+ @import "../../libs/css/style.components.scss";
+</style>