read_opc/reado-app/components/ecahrts/pie-echarts.vue

<template>
	<view class="charts-box">
		<qiun-data-charts type="ring" :opts="opts" :chartData="chartData" />
	</view>
</template>

<script>
	export default {
		props: {
			echartsData: Object
		},
		data() {
			return {
				chartData: {},
				//您可以通过修改 config-ucharts.js 文件中下标为 ['ring'] 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: {
					rotate: false,
					rotateLock: false,
					color: ["#1890FF", "#91CB74", "#FAC858", "#EE6666", "#73C0DE", "#3CA272", "#FC8452", "#9A60B4",
						"#ea7ccc"
					],
					padding: [5, 5, 5, 5],
					dataLabel: false,
					enableScroll: false,
					legend: {
						show: true,
						position: "left",
						lineHeight: 25
					},
					title: {
						name: "",
						fontSize: 18,
						color: "#666666",
						offsetX: -180,
						offsetY: -120
					},
					subtitle: {
						name: "",
					},
					extra: {
						ring: {
							ringWidth: 60,
							activeOpacity: 0.5,
							activeRadius: 10,
							offsetAngle: 0,
							labelWidth: 0,
							border: true,
							borderWidth: 9,
							borderColor: "#FFFFFF"
						}
					}
				}
			};
		},
		mounted() {
			this.getServerData();
		},
		methods: {
			getServerData() {
				console.log(this.echartsData);
				const chartData = this.echartsData.chartItemList
				//模拟从服务器获取数据时的延时
				setTimeout(() => {
					//模拟服务器返回数据，如果数据格式和标准格式不同，需自行按下面的格式拼接
					let res = {
						series: [{
							data: [{
								"name": "一班",
								"value": 50
							}, {
								"name": "二班",
								"value": 30
							}, {
								"name": "三班",
								"value": 20
							}, {
								"name": "四班",
								"value": 18,
								"labelText": "四班:18人"
							}, {
								"name": "五班",
								"value": 8
							}]
						}]
					};
					this.chartData = JSON.parse(JSON.stringify(res));
				}, 500);
			},
		}
	};
</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: 600rpx;
	}
</style>