uniapp-从后台返回的一串地址信息上，提取省市区进行赋值

1.这是接口返回的地址信息

2.要实现的效果

3.实现代码：

			<view class="address">{{item.address}}</view>
			
			listFun() {
				let url = this.$url.url.positionInfoCompany;
				let param = {
					page: this.page,
					limit: this.limit,
					keyword: this.keyword,
				};

				this.$api.appPlateForm('post', url, param, (res) => {
					res.data.map(item => {
						//地址格式（省-市）
						const province = item.address.substring(0, item.address.indexOf('省') + 1);
						const city = item.address.substring(province.length, item.address.indexOf('市') +
						1);
					
						const districtIndex = item.address.indexOf(city) + city.length;
						const area = item.address.substring(districtIndex, item.address.indexOf('区') + 1);
						if(item.address.indexOf('市')!=-1){
							if(item.address.indexOf('区')!=-1){
								item.address = city + '-' + area
							}else{
								item.address = city
							}
						}else{
							item.address = area
						}
					})
					this.list = res.data;
					
				})
			},
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完成~