uniapp 小技巧（1）

本地背景图片设置：

<view class="cont" :style="{backgroundImage:'url('+ Imageurl +')'}">

网络状态监测与数据缓存：

uni.onNetworkStatusChange(res => {
			if(res.isConnected){
				uni.showToast({
					title:'上传成功！',
					duration:2000
				});
			}else{
				uni.showToast({
					title:'网络已断开！',
					duration:2000
				});
				var datahh = {
					bianliang1:'32',
					bianliang2:'54dfbv',
					bianliang3:'fdd',
					bianliang4:'sdv',
					bianliang5:'35',
					bianliang6:'57',
				};
			
				
				uni.setStorage({
					key:'cacheData',
					data:datahh
				});
				
				uni.getStorage({
					key:'cacheData',
					success(e){
						uni.showToast({
							title:'缓存成功！'+e.data.bianliang3,
							duration:2000
						});
					},
					fail(e) {
						uni.showToast({
							title:'缓存失败！'+e.data,
							duration:2000
						});
					}
				});
					
				
			
			}
		});