yiliangyiyun-app/pages/grain_pulse/selectCity/selectCity.vue

<template>
	<view class="">
		<citySelect @back_city="back_city"></citySelect>
	</view>
</template>

<script>
	import citySelect from '@/components/linzq-citySelect/linzq-citySelect.vue';
	export default {
		components: {
			citySelect
		},
		data() {
			return {
				statusBarHeight:''
			}
		},
		onLoad() {
			let that = this
			uni.getSystemInfo({
				success: function(res) {
					console.log("statusBarHeight", res.statusBarHeight)
					that.statusBarHeight += res.statusBarHeight + "px"; //这就是状态栏的高度
				},
			});
		},
		methods: {
			back_city(e) {
				if (e.positionName !== 'no') {
					this.region = e.positionName.cityName 
				} 
				if(!e.positionName.cityName){
					var tmp = e.positionName
					e.positionName = {}
					e.positionName.cityName = tmp
				}
				console.log("city:",e)
				uni.setStorage({
					key: 'nowRegion',
					data: e,
					success() {
						uni.navigateBack({
							
						})
					}
				});
			}
		}
	}
</script>

<style>
	.container {
		padding: 20px;
		font-size: 14px;
		line-height: 24px;
	}
</style>