mob-components.git

			@@ -1,11 +1,12 @@
			/**
			* CChinaArea
			* CChinaArea - 表单项，中国地址三级联动
			* @author Tevin
			*/

			<template>
			<view class="c-china-area">
			<picker
			class="c-china-area-picker"
			mode="multiSelector"
			:range="range"
			:value="current"
			@@ -31,11 +32,10 @@
			</template>

			<script>
			import Taro from '@tarojs/taro';
			import { AtInput, AtIcon } from 'taro-ui-vue';
			import ChinaLocations from './ChinaLocations';
			import { $locations } from '@components/forms/chinaArea/ChinaLocations';
			import './cChinaArea.scss';

			const { locationTree, getRegionNames } = ChinaLocations;

			export default {
			name: 'CChinaArea',
			@@ -44,24 +44,33 @@
			AtIcon,
			},
			props: {
			loading: {
			// 表单数据资源（表单组件内部机制专用）
			itemRes: Object,
			// 是否自动通过地理定位获取省市区
			autoGeo: {
			type: Boolean,
			default: false,
			},
			// 联动级别
			level: {
			type: Number,
			default: 3,
			},
			// 占位提示
			placeholder: String,
			itemRes: Object,
			},
			data() {
			return {
			range: [[], [], []],
			current: [0, 0, 0],
			loading: true,
			range: [],
			current: [],
			};
			},
			computed: {
			selected() {
			const curVal = this.itemRes.formData[this.itemRes.name];
			if (curVal && curVal.length === 3) {
			return getRegionNames(curVal).join(' / ');
			if (curVal && (curVal.length === 3 \|\| curVal.length === 4)) {
			return curVal.join(' / ');
			} else {
			return '';
			}
			@@ -69,76 +78,196 @@
			},
			methods: {
			handleOpen(evt) {
			if (evt.target.className.indexOf('at-input__title') >= 0) {
			evt.stopPropagation();
			evt.preventDefault();
			return;
			if (process.env.TARO_ENV === 'h5') {
			if (evt && evt.target.className.indexOf('at-input__title') >= 0) {
			evt.stopPropagation();
			evt.preventDefault();
			return;
			}
			}
			const curVal = this.itemRes.formData[this.itemRes.name];
			const range = [
			locationTree,
			locationTree[0].children,
			locationTree[0].children[0].children,
			];
			const current = [0, 0, 0];
			// 有值
			if (curVal && curVal.length > 0) {
			// 省
			if (curVal[0]) {
			const proviceIndex = locationTree.findIndex(
			(provice) => provice.code === curVal[0]
			);
			if (proviceIndex >= 0) {
			range[1] = locationTree[proviceIndex].children;
			range[2] = locationTree[proviceIndex].children[0].children;
			current[0] = proviceIndex;
			// 市
			if (curVal[1]) {
			const cityIndex = range[1].findIndex((city) => city.code === curVal[1]);
			if (cityIndex >= 0) {
			range[2] = range[1].children[cityIndex].children;
			current[1] = cityIndex;
			}
			// 区
			if (curVal[2]) {
			const areaIndex = range[2].findIndex(
			(area) => area.code === curVal[2]
			);
			if (areaIndex >= 0) {
			current[2] === areaIndex;
			$locations.getLocationTree(this.level, locationTree => {
			const curVal = this.itemRes.formData[this.itemRes.name];
			const range2 = (locationTree[0] \|\| {}).children \|\| [];
			const range3 = (range2[0] \|\| {}).children \|\| [];
			const range = [locationTree, range2, range3];
			const current = [0, 0, 0];
			if (this.level === 4) {
			const range4 = (range3[0] \|\| {}).children \|\| [];
			range[3] = range4;
			current[3] = '';
			}
			// 有值
			if (curVal && curVal.length > 0) {
			$locations.getRegionCodes(curVal, codes => {
			// 省
			if (codes[0]) {
			const proviceIndex = locationTree.findIndex(
			provice => provice.value === codes[0]
			);
			if (proviceIndex >= 0) {
			range[1] = locationTree[proviceIndex].children;
			range[2] =
			locationTree[proviceIndex].children[0].children;
			current[0] = proviceIndex;
			// 市
			if (codes[1]) {
			const cityIndex = range[1].findIndex(
			city => city.value === codes[1]
			);
			if (cityIndex >= 0) {
			range[2] = range[1][cityIndex].children;
			current[1] = cityIndex;
			}
			// 区
			if (codes[2]) {
			const distIndex = range[2].findIndex(
			dist => dist.value === codes[2]
			);
			if (distIndex >= 0) {
			current[2] = distIndex;
			}
			// 街
			if (this.level === 4) {
			range[3] =
			range[2][current[2]].children \|\| [];
			const streetIndex = range[3].findIndex(
			street => street.value === codes[3]
			);
			if (streetIndex >= 0) {
			current[3] = streetIndex;
			}
			}
			}
			}
			}
			}
			}
			});
			}
			}
			this.range = range;
			this.current = current;
			this.range = range;
			this.current = current;
			});
			},
			updateColumns(roll) {
			if (roll.column === 0) {
			const cities = locationTree[roll.value].children;
			this.range.splice(1, 2, cities, cities[0].children);
			this.current = [roll.value, 0, 0];
			} else if (roll.column === 1) {
			const areas = locationTree[this.current[0]].children[roll.value].children;
			this.range.splice(2, 1, areas);
			this.current = [this.current[0], roll.value, 0];
			} else if (roll.column === 3) {
			this.current.splice(2, 1, roll.value);
			}
			$locations.getLocationTree(this.level, locationTree => {
			// 第一列滚动
			if (roll.column === 0) {
			const cities = locationTree[roll.value].children;
			this.range = [this.range[0], cities, cities[0].children];
			this.current = [roll.value, 0, 0];
			if (this.level === 4) {
			const range3 = (cities[0].children[0] \|\| {}).children \|\| [];
			this.range.splice(3, 1, range3);
			this.current.splice(3, 1, '');
			}
			}
			// 第二列滚动
			else if (roll.column === 1) {
			const dists =
			locationTree[this.current[0]].children[roll.value].children;
			this.range = [this.range[0], this.range[1], dists];
			this.current = [this.current[0], roll.value, 0];
			if (this.level === 4) {
			const range3 = dists[0].children \|\| [];
			this.range.splice(3, 1, range3);
			this.current.splice(3, 1, '');
			}
			}
			// 第三列滚动
			else if (roll.column === 2) {
			this.current.splice(2, 1, roll.value);
			if (this.level === 4) {
			const streets =
			locationTree[this.current[0]].children[this.current[1]]
			.children[roll.value].children \|\| [];
			this.range.splice(3, 1, streets);
			this.current.splice(3, 1, '');
			}
			}
			// 第四列滚动
			else if (roll.column === 3) {
			this.current.splice(3, 1, roll.value);
			}
			});
			},
			handleChange(detail) {
			const codes = [];
			const provice = locationTree[detail[0]];
			codes[0] = provice.value;
			const city = provice.children[detail[1]];
			codes[1] = city.value;
			const area = city.children[detail[2]];
			codes[2] = area.value;
			this.itemRes.onChange(codes);
			$locations.getLocationTree(this.level, locationTree => {
			const names = [];
			const provice = locationTree[detail[0]];
			names[0] = provice.label;
			const city = provice.children[detail[1]] \|\| {};
			names[1] = city.label;
			const dist = city.children[detail[2]] \|\| {};
			names[2] = dist.label;
			if (this.level === 4) {
			const street = (dist.children \|\| [])[detail[3]] \|\| {};
			if (street.value) {
			names[3] = street.label;
			}
			}
			this.itemRes.onChange(names);
			});
			},
			_getGeoLocation() {
			this.loading = true;
			Taro.getLocation({
			type: 'wgs84',
			success: res => {
			const latitude = res.latitude;
			const longitude = res.longitude;
			const myGeo = new BMap.Geocoder();
			// 根据坐标得到地址描述
			myGeo.getLocation(new BMap.Point(longitude, latitude), result => {
			if (!result) {
			this.locationLoading = false;
			return;
			}
			const address = result.addressComponents;
			const regions = [
			address.province.replace(/省\|市\|自治区\|特别行政区/g, ''),
			address.city,
			address.district,
			address.street,
			];
			$locations.getRegionCodes(regions, codes => {
			if (codes && codes.length > 0) {
			$locations.getRegionNames(codes, names => {
			this.itemRes.onChange(names);
			});
			}
			});
			this.loading = false;
			});
			},
			cancel: res => (this.loading = false),
			fail: err => (this.loading = false),
			});
			},
			},
			mounted() {},
			mounted() {
			$locations.onReady(() => {
			this.loading = false;
			this.handleOpen();
			// 开启自动定位时，延迟 0.1 秒后发起定位
			if (this.autoGeo) {
			if (process.env.TARO_ENV === 'weapp') {
			setTimeout(() => {
			// TODO：小程序中定位
			}, 100);
			} else if (process.env.TARO_ENV === 'h5') {
			if (typeof wx === 'undefined') {
			console.warn('无法进行地理位置定位，wx 不存在！');
			return;
			}
			wx.ready(() => {
			if (typeof BMap === 'undefined') {
			console.warn('无法进行地理位置定位，BMap 不存在！');
			return;
			}
			this._getGeoLocation();
			});
			}
			}
			});
			},
			};
			</script>