mili_mini/components/navBar/navBar.js

// components/navbar/index.js
const app = getApp();
const config = require('../../utils/config.js');
var util = require("../../utils/util.js")
Component({
	options: {
		addGlobalClass: true,
	},
	/**
	 * 组件的属性列表
	 */
	properties: {
		pageName: String,
		showNav: {
			type: Boolean,
			value: true
		},
		showHome: {
			type: Boolean,
			value: true
		},
		backHome: {
			type: [Boolean, String],
			value: false
		},
		none: {
			type: [Boolean, String],
			value: false
		}
	},

	/**
	 * 组件的初始数据
	 */
	data: {
		branche_name: '上海'
	},
	lifetimes: {
		attached: function() {
			this.setData({
				navH: app.globalData.navHeight
			})
		}
	},
	ready: function() {
		const that = this
		let branche_code = wx.getStorageSync('branche_code');
		let branche_name = wx.getStorageSync('branche_name');
		if (!branche_code) {
			wx.getLocation({
				type: 'wgs84',
				success: function(res) {
					let latitude = res.latitude
					let longitude = res.longitude
					wx.request({
						url: `https://apis.map.qq.com/ws/geocoder/v1/?location=${latitude},${longitude}&key=${config.key}`,
						success: res => {
							let branche_code = res.data.result.ad_info.city_code.substring(3, 6) + '000';
							wx.setStorageSync(
								'branche_name', res.data.result.ad_info.city.substring(0, 2)
							)
							util.getData('/checkMkt', {
								branche_code: branche_code
							}).then(res => {
								that.setData({
									branche_name: res[0].branche_name,
									branche_code: res[0].branche_code
								});
								wx.setStorageSync(
									'branche_code', res[0].branche_code
								)
								if (that.data.branche_name != '上海' && that.data.branche_name != '北京' && that.data.branche_name !=
									'苏州') {
									that.setData({
										branche_name: '上海'
									})
								}
							})
						},
						fail: (res) => {
							//获取城市失败
						}
					})
				},
				fail: (res) => {
					// 获取位置失败
				}
			})
		} else {
			let cityname = wx.getStorageSync('branche_name')
			that.setData({
				branche_name: cityname
			})
		}

	},
	/**
	 * 组件的方法列表
	 */
	methods: {
		//回退
		navBack: function() {
			wx.navigateBack({
				delta: 1
			})
		},
		//回主页
		toIndex: function() {
			wx.navigateTo({
				url: '/pages/admin/home/index/index'
			})
		},
		tocity() {
			wx.navigateTo({
				url: '/pages/city/city'
			})
		}
	}

})