read_opc/reado-app/components/ecahrts/line-echarts1.vue

<template>
	<view class="charts-box">
		<qiun-data-charts :eopts="opts" :chartData="chartData" :echartsH5="true" tooltipFormat="lineDemo" />
	</view>
</template>

<script>
	import {
		nowDate,
		timeToDate
	} from '../../utils/date.js';
	export default {
		props: {
			echartsData: Object
		},
		data() {
			return {
				chartData: {},
				//您可以通过修改 config-ucharts.js 文件中下标为 ['line'] 的节点来配置全局默认参数，如都是默认参数，此处可以不传 opts 。实际应用过程中 opts 只需传入与全局默认参数中不一致的【某一个属性】即可实现同类型的图表显示不同的样式，达到页面简洁的需求。
				opts: {
					color: ["#1890FF", "#91CB74", "#FAC858", "#EE6666", "#73C0DE", "#3CA272", "#FC8452", "#9A60B4",
						"#ea7ccc"
					],
					padding: [15, 10, 0, 15],
					legend: {
						type: 'scroll',
						pageIconSize: 18,
						margin: 20,
						itemGap: 20,
						lineHeight: 20,
						top: 0,
					},
					grid: {
						bottom: '25%',
						top: "50px",
						left: "45px",
						right: "30px"
					},
					xAxis: {
						type: 'category',
						axisLabel: {
							interval: 60, // 自定义显示X轴坐标显示间隔
							textStyle: {
								color: '#626262',
								fontSize: '10',
							},
							format:(value, index)=> {
								console.log(value)
							    return value + 'kg';
							}
						}
					},
					yAxis: {
						type: 'value',
						// axisPointer: {
						// 	snap: true,
						// 	show: true,
						// 	type: 'line',
						// 	lineStyle: {
						// 		color: 'rgba(98, 98, 98, 0.7)',
						// 		type: 'solid'
						// 	}
						// }
					},
					// tooltip: {
					// 	trigger: 'axis',
					// 	axisPointer: {
					// 		type: 'cross',
					// 		label: {
					// 			show: false,
					// 			backgroundColor: 'rgba(98, 98, 98, 0.8)'
					// 		}
					// 	},
					// 	backgroundColor: 'rgba(50,50,50,0.5)'
					// },
					dataZoom: [
						// {
						// 	type: 'slider',
						// 	show: true,
						// 	xAxisIndex: [0],
						// 	start: 90,
						// 	end: 100,

						// },
						// {
						// 	type: 'slider',
						// 	show: true,
						// 	yAxisIndex: [0],
						// 	left: '93%',
						// 	start: 60,
						// 	end: 100
						// },
						{
							type: 'inside',
							xAxisIndex: [0],
							start: 85,
							end: 100
							// preventDefaultMouseMove: false
						},
						// {
						// 	type: 'inside',
						// 	yAxisIndex: [0],
						// 	start: 60,
						// 	end: 100
						// },

					]
				},
				timeNum: 10,
				lineTime: null,
			};
		},
		mounted() {
			this.getEmit();
		},
		beforeDestroy() {
			clearInterval(this.lineTime)
			this.lineTime = null
		},
		methods: {
			getServerData() {
				const chartData = this.echartsData.chartItemList

				const timeData = chartData[0].valueTimeList
				const time = timeData.map(item => {
					return item.substring(0, 19).replaceAll('-', "")
				})
				const series = chartData.map(item => {
					// let valueList=[];
					// item.valueList.forEach(o=>{
					//  valueList.push(o.split(""))
					// })
					return {
						type: 'line',
						name: item.describe ? item.describe : item.itemName,
						data: item.valueList
					}
				})
				this.opts.xAxis.data = time
				let res = {
					categories: time,
					series: series
				};
				this.chartData = JSON.parse(JSON.stringify(res));
			},
			getEmit() {
				const {
					bucketType,
					bucketValue
				} = this.echartsData
				let time = null
				switch (bucketType) {
					case 0:
						time = 86400000 * bucketValue
						this.timeNum = 4
						break;
					case 1:
						time = 3600000 * bucketValue
						this.timeNum = 13
						break;
					case 2:
						time = 60000 * bucketValue
						this.timeNum = 16
						break;
					case 3:
						time = 1000 * bucketValue
						this.timeNum = 19
						break;
				}
				this.getServerData()
				this.lineTime = setInterval(() => {
					let chartParams = {
						id: this.echartsData.id,
						startTime: timeToDate(new Date().getTime() - 3600000),
						endTime: nowDate()
					}
					uni.$http.get('/chart/getChartById', chartParams).then(res => {

					})
				}, time)
			}
		}
	};
</script>

<style scoped>
	/* 请根据实际需求修改父元素尺寸，组件自动识别宽高 */
	.charts-box {
		width: 100%;
		height: 540rpx;
	}
</style>