bigDataApp/pages/environment/gshistory.vue

<template>
	<view>
		<view class="status_bar"></view>
		<view class="" style="position: relative;top: 40px;">
			<view style="position: fixed;z-index: 10000000;width: 100%;background-color: #000000;">
				<uni-nav-bar @clickLeft="clickLeft" left-icon="back" left-text="返回" title="历史数据"></uni-nav-bar>
			</view>
		</view>
		<view class="" style="position: relative;top: 100px;">
			<view class="selecttimes" @click="tiemshow=!tiemshow">
				<view class="timesbox">
					<image
						:src="$imageURL+'/bigdata_app/image/prevention/1acfe2751c01d3786cdc49b83d7e505.png'"
						mode=""></image>
					<p>{{timetab(begintime)}}</p>
					<p class="or">~</p>
					<p>{{timetab(end)}}</p>
					<u-icon name="rili" custom-prefix="custom-icon" class="icon"></u-icon>
				</view>
				<u-calendar v-model="tiemshow" mode="range" @change="tiemchange"
					range-color="#999"
					btn-type="success"
					active-bg-color="#0BBC58"
					range-bg-color="rgba(11,188,88,0.13)"></u-calendar>
			</view>
			<view class="shuju_one">
				<view class="canvastishi" v-if="!canvastishiTF && !dataloadingtf">
					暂无数据
				</view>
				<view class="canvastishi" v-if="dataloadingtf">
					<p class="dataloading">加载中</p>
				</view>
				<canvas v-show="!tiemshow" canvas-id="canvasColumnA" id="canvasColumnA" class="charts" @touchstart="touchLineA($event)"
					@touchmove="moveLineA($event)" @touchend="touchEndLineA($event)" disable-scroll=true
					:style="{'width':cWidth*pixelRatio+'px','height':cHeight*pixelRatio+'px', 'transform': 'scale('+(1/pixelRatio)+')','margin-left':-cWidth*(pixelRatio-1)/2+'px','margin-top':-cHeight*(pixelRatio-1)/2+'px'}"></canvas>
			</view>
			<view class="condition">
				<scroll-view scroll-top="0" scroll-x="true" class="scroll-X">
					<table class="table" :style="{width:300*thdata.length+'rpx'}">
						<tr class="tr">
							<th class="th" v-for="(item,index) in thdata" :key="'a'+index">{{item}}</th>
						</tr>
						<tr class="tr" v-for="(items,indexs) in historylistdata" :key="'b'+indexs" v-if="!forbidden">
							<td class="td">{{items.upl_time|timeFormat()}}</td>
							<td class="td" v-for="(item,index) in items.temp" :key="'c'+index">{{item}}</td>
							<td class="td" v-for="(item,index) in items.swc" :key="'d'+index">{{item}}</td>
							<td class="td" v-for="(item,index) in items.ecs" :key="'e'+index">{{item}}</td>
						</tr>
						<tr class="tr" v-if="forbidden">
							<td class="td" v-for="item in 13">暂无数据</td>
						</tr>
					</table>
				</scroll-view>
				<view class="pagenumber">
					<button @click="prev">上一页</button>
					<view class="pagenumber_page">
						第 {{page}} 页
					</view>
					<view class="pagenumber_page">
						共 {{pagesum}} 页
					</view>
					<button @click="next">下一页</button>
				</view>
			</view>
		</view>
	</view>
</template>

<script>
	import uCharts from '../../components/js_sdk/u-charts/u-charts/u-charts.js';
	var canvaColumnA = null;
	export default {
		data() {
			return {
				tiemshow: false, //时间筛选弹框
				begintime: "", //开始时间
				end: "", //结束时间
				dataloadingtf: true,
				canvastishiTF: false,
				device_id: '', //设备ID
				thdata: ["上传时间"], //表格抬头
				forbidden: false,
				historylistdata: [], //历史数据
				pagesum: 1,
				page: 1,
				cWidth: '',
				cHeight: '',
				pixelRatio: 1,
			}
		},
		methods: {
			tiemchange(e) { //切换时间
				this.begintime = parseInt(+new Date(e.startDate) / 1000)
				this.end = parseInt(+new Date(e.endDate) / 1000)
				this.histprydatas()
			},
			timetab(e) { //时间转换
				e = new Date(e * 1000)
				var year = e.getFullYear()
				var month = e.getMonth() + 1 < 10 ? "0" + (e.getMonth() + 1) : e.getMonth() + 1
				var day = e.getDate() < 10 ? "0" + e.getDate() : e.getDate()
				var time = year + "/" + month + "/" + day
				return time
			},
			async histprydatas() { //历史数据
				this.dataloadingtf = true
				const res = await this.$myRequest({
					url: '/api/api_gateway?method=weather.weather.nd_data',
					data: {
						device_id: this.device_id,
						page: this.page,
						begin: this.begintime,
						end: this.end
					}
				})
				this.dataloadingtf = false
				console.log(res.nums)
				this.pagesum = Math.ceil(res.nums / 10) || 1
				this.historylistdata = res.dat_list
				for (var i = 0; i < this.historylistdata.length; i++) {
					this.historylistdata[i].temp = this.historylistdata[i].temp.split(",")
					this.historylistdata[i].swc = this.historylistdata[i].swc.split(",")
					this.historylistdata[i].ecs = this.historylistdata[i].ecs.split(",");
				}
				var arr1 = []
				var arr2 = []
				var xtitle = []
				var obj = []
				var k = 0
				for (var i = 0; i < res.dat_char.length; i++) {
					var times = new Date(res.dat_char[i].upl_time * 1000)
					xtitle.unshift(times.getMonth() + 1 + "/" + times.getDate() + "-" + times.getHours() + ":" + times
						.getMinutes())
					const temp = res.dat_char[i].temp.split(",")
					const swc = res.dat_char[i].swc.split(",")
					const ecs = res.dat_char[i].ecs.split(",")
					this.thdata.length = 1;
					res.depth.split(',').forEach((dep, index) => {
						this.thdata.push(`${dep}cm土壤温度(℃)`)
						var tempdata = [];
						var tempdatas = [];
						var ecsarr = [];
						tempdata.push(Number(temp[index]));
						tempdatas.push(Number(swc[index]));
						ecsarr.push(Number(ecs[index]));
						var temparrs = {
							name: dep + "cm土壤温度(℃)",
							data: tempdata,
						};
						var temparr = {
							name: dep + "cm土壤湿度(%RH)",
							data: tempdatas,
						};
						var ecsparr = {
							name: dep + "cm电导率(ms/cm)",
							data: ecsarr,
						};
						obj.push(temparr);
						obj.push(temparrs);
						if(ecsarr.length > 0) {
							obj.push(ecsparr);
						}
					})
					res.depth.split(',').forEach((dep, index) => {
						this.thdata.push(`${dep}cm土壤湿度(%RH)`)
					})
					res.depth.split(',').forEach((dep, index) => {
						this.thdata.push(`${dep}cm电导率(ms/cm)`)
					})
				}
				obj[0].data = arr1
				obj[1].data = arr2
				var listArr = [];
				obj.forEach(function(el, index) {
					for (var i = 0; i < listArr.length; i++) {
						// 对比相同的字段key，相同放入对应的数组中
						if (listArr[i].name == el.name && el.data !== undefined) {
							listArr[i].data.unshift(el.data[0]);
							return;
						}
					}
					// 第一次对比没有参照，放入参照
					listArr.push({
						name: el.name,
						data: el.data,
					});
				});
				console.log(listArr,'listArrlistArrlistArr')
				if(listArr.length == 0){
					this.canvastishiTF = false
				}else{
					this.canvastishiTF = true
				}
				this.showColumn("canvasColumnA", xtitle, listArr)
				// console.log(this.historylistdata)
			},
			prev() { //上一页
				if (this.page > 1) {
					this.page--
					this.histprydatas()
				}
			},
			next() { //下一页
				if (this.page < this.pagesum) {
					this.page++
					this.histprydatas()
				}
			},
			clickLeft() {
				uni.navigateBack({
					delta: 1
				})
			},
			showColumn(id, xtitle, xinfo) {
				var _self = this
				const ctx = uni.createCanvasContext(id, this);
				canvaColumnA = new uCharts({
					context: ctx,
					type: 'line',
					legend: {
						position: "top"
					},
					fontSize: 11,
					background: '#FFFFFF',
					pixelRatio: 1,
					animation: true,
					dataLabel: false,
					categories: xtitle,
					series: xinfo,
					enableScroll: true, //开启图表拖拽功能
					xAxis: {
						disableGrid: true,
						type: 'grid',
						gridType: 'dash',
						itemCount: 4, //x轴单屏显示数据的数量，默认为5个
						scrollShow: true, //新增是否显示滚动条，默认false
						// scrollAlign: 'left', //滚动条初始位置
						scrollBackgroundColor: '#F7F7FF', //默认为 #EFEBEF
						scrollColor: '#DEE7F7', //默认为 #A6A6A6
					},
					yAxis: {},
					width: _self.cWidth * 1,
					height: _self.cHeight * 1,
					extra: {
						line: {
							type: 'curve'
						}
					}
				});
			},
			touchLineA(e) {
				console.log(e)
				canvaColumnA.scrollStart(e);
			},
			moveLineA(e) {
				canvaColumnA.scroll(e);
			},
			touchEndLineA(e) {
				canvaColumnA.scrollEnd(e);
				//下面是toolTip事件，如果滚动后不需要显示，可不填写
				canvaColumnA.showToolTip(e, {
					format: function(item, category) {
						return category + ' ' + item.name + ':' + item.data
					}
				});
			},
		},
		onLoad(option) {
			this.cWidth = uni.upx2px(650);
			this.cHeight = uni.upx2px(500);
			this.device_id = option.id
			this.end = parseInt(+new Date() / 1000)
			this.begintime = parseInt(this.end - 24 * 60 * 60)
			this.histprydatas()
		}
	}
</script>

<style lang="scss">
	.selecttimes {
		width: 90%;
		box-shadow: 0 0 10rpx #bcb9ca;
		padding: 10rpx 20rpx;
		box-sizing: border-box;
		margin: 0 auto;
		font-size: 28rpx;

		.timesbox {
			display: flex;
			justify-content: space-around;

			image {
				width: 30rpx;
				height: 30rpx;
				margin-top: 6rpx;
			}

			.icon {
				color: #949494;
				text-align: right;
				margin-left: 30rpx;

			}
		}

		/deep/.u-calendar__action {
			display: flex;
			justify-content: space-around;

			.u-calendar__action__text {
				line-height: 25px;
			}
		}
	}

	.shuju_one {
		width: 90%;
		left: 5%;
		box-shadow: 0 0 10rpx #bcb9ca;
		padding-top: 20rpx;
		height: 550rpx;
		margin: 20rpx auto;
		.canvastishi {
			font-size: 32rpx;
			position: absolute;
			top: 50%;
			left: 50%;
			margin-left: -64rpx;
			margin-top: -21rpx;

			.dataloading:after {
				overflow: hidden;
				display: inline-block;
				vertical-align: bottom;
				animation: ellipsis 2s infinite;
				content: "\2026";
			}

			@keyframes ellipsis {
				from {
					width: 2px;
				}

				to {
					width: 15px;
				}
			}
		}
	}

	.condition {
		display: flex;
		flex-wrap: wrap;
		width: 90%;
		left: 5%;
		box-shadow: 0 0 10rpx #bcb9ca;
		margin-bottom: 30rpx;
		margin: 20rpx auto;
		.scroll-X {
			width: 95%;
			margin: 20rpx auto;

			.tr {
				display: flex;
				overflow: hidden;

				.th,
				.td {
					display: inline-block;
					padding: 5rpx;
					width: 320rpx;
					text-align: center;
					height: 52rpx;
					line-height: 52rpx;
					border: 2rpx solid #F1F1F1;
				}
			}

			.tr:nth-child(2n-1) {
				background-color: #f5fff8;
			}

			.tr:first-child {
				background-color: #57c878;
				color: #fff;
			}
		}

		.pagenumber {
			display: flex;
			margin: 20rpx auto;

			button {
				width: 150rpx;
				height: 50rpx;
				line-height: 50rpx;
				font-size: 26rpx;
				text-align: center;
				background-color: #57c878;
				color: #FFFFFF;
			}

			.pagenumber_page {
				width: 100rpx;
				height: 50rpx;
				line-height: 50rpx;
				font-size: 26rpx;
				text-align: center;
			}
		}
	}
</style>