巡查图2.0

描述:当前是关于Echarts图表中的 柱状图 示例。
 
            
		/* echarts渲染方法 */
		function renderItem(params, api) {
			var start = api.coord([api.value(2), api.value(1)]);
			var rectShape = echarts.graphic.clipRectByRect({
				x: start[0],
				y: start[1],
				width: api.size([100, 1])[0] * ((api.value(3) - api.value(2)) / 100),
				height: api.size([100, 1])[1] * (api.value(1) - api.value(0))
			}, {
				x: params.coordSys.x,
				y: params.coordSys.y,
				width: params.coordSys.width,
				height: params.coordSys.height
			});

			return rectShape && {
				type: 'rect',
				shape: rectShape,
				style: api.style()
			};
		}
		var yDate = ["监控点1", "监控点2"]
		var sData = [{
			itemStyle: {
				normal: { color: "#75d874" }
			},
			// 0		y开始下标
			// 1		y结束下标
			// 0		x开始值
			// 40		x结束值
			value: [1, 6, 0, 1]
		},{
			itemStyle: {
				normal: { color: "#75d874" }
			},
			value: [10, 23, 0, 1]
		},{
			itemStyle: {
				normal: { color: "#75d874" }
			},
			value: [10, 13, 1, 2]
		},]
		option = {
			xAxis: [{
				position: "right",
				max: yDate.length,
				min: 0,
				axisTick: {
					show: false
				},
				axisLabel: {
					show: false
				}
			}, {
				name: '时间',
				position: "bottom",
				data: yDate,
				axisLine: {
					lineStyle: {
						color: "rgba(0,0,0,0.7)"
					}
				},
				splitLine: {
					show: false
				}
			}],
			yAxis: [{
				type: 'value',
				name: '',
				nameGap: 30,
				min: 0,
				max: 24,
				splitNumber: 24
			}],
			series: [{
				type: 'custom',
				renderItem: renderItem,
				itemStyle: {
					normal: {
						opacity: 0.9
					}
				},
				encode: {
					x: [1, 2],
					y: 0
				},
				data: sData
			}],
			grid: {
				x: 35,
				y: 35,
				x2: 60,
				y2: 50,
				borderWidth: 0
			}
		};