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| <template>
| <div class="echarts-wrapper" ref="wrapper">
| <div class="echarts-content" ref="chart"></div>
| </div>
| </template>
|
| <script>
| import * as echarts from 'echarts';
|
| export default {
| name: "CircleChart",
| chart: "",
| chartData: null,
| props: {
| id: {
| require: true,
| type: String,
| default: "",
| },
| name: {
| type: String,
| default: ""
| },
| top: {
| type: Number,
| default: 0,
| },
| bottom: {
| type: Number,
| default: 60
| },
| space: {
| type: Number,
| default: 4
| },
| },
| data() {
| return {
| color: ['#FF8700', '#ffc300', '#00e473', '#009DFF']
| }
| },
| methods: {
| setOption(opt) {
| this.$options.chart.setOption(opt);
| },
| setData(data) {
| this.$options.chartData = data;
| let name = this.name;
| let top = this.top;
| let bottom = this.bottom;
| let diff = 100 - bottom - top;
| let space = this.space;
| let height = diff / data.length;
|
|
| // 数据处理
| let sum = 0;
| let color = [];
| data.forEach((v) => {
| sum = sum + v.value;
| color.push(v.color);
| });
|
| // 图表option整理
| let series = [];
| let lineYAxis = [];
| data.forEach((v, i) => {
| let center = top + i * height + height / 2;
| let start = 100 - center * 2 + space / 2;
| let end = start - space;
|
| let radius = [start + '%', end + '%'];
|
| series.push({
| name: name,
| type: 'pie',
| clockWise: false,
| hoverAnimation: false,
| radius: radius,
| center: ["50%", "50%"],
| label: {
| show: false
| },
| data: [{
| value: v.value,
| name: v.name
| }, {
| value: sum - v.value,
| name: '',
| itemStyle: {
| color: "rgba(0,0,0,0)"
| }
| }]
| });
|
| series.push({
| name: '',
| type: 'pie',
| silent: true,
| z: 1,
| clockWise: false, //顺时加载
| hoverAnimation: false, //鼠标移入变大
| radius: radius,
| center: ["50%", "50%"],
| label: {
| show: false
| },
| data: [{
| value: 7.5,
| itemStyle: {
| color: "#031D67"
| }
| }, {
| value: 2.5,
| name: '',
| itemStyle: {
| color: "rgba(0,0,0,0)"
| }
| }]
| });
|
| v.percent = (v.value / sum * 100).toFixed(1) + "%";
| lineYAxis.push({
| value: i,
| textStyle: {
| rich: {
| circle: {
| color: color[i],
| padding: [0, 2]
| }
| }
| }
| });
| });
|
| let option = {
| color: color,
| grid: {
| top: top + '%',
| bottom: bottom + '%',
| left: "50%",
| containLabel: false
| },
| yAxis: [{
| type: 'category',
| inverse: true,
| axisLine: {
| show: false
| },
| axisTick: {
| show: false
| },
| axisLabel: {
| formatter: function (params) {
| let item = data[params];
| return '{line|}{circle|●}{name|' + item.name + '}'
| },
| interval: 0,
| inside: true,
| textStyle: {
| color: "#333",
| fontSize: 14,
| rich: {
| name: {
| color: '#fff',
| fontSize: 14,
| },
| }
| },
| show: true
| },
| data: lineYAxis
| }],
| xAxis: [{
| show: false
| }],
| series: series
| };
| // 设置配置项
| this.setOption(option);
| },
| resize() {
| this.changeWrapper();
| setTimeout(() => {
| this.$options.chart.resize();
| this.setData(this.$options.chartData);
| }, 300)
| },
| changeWrapper() {
| let wrapper = this.$refs.wrapper;
| if (wrapper.offsetHeight > wrapper.offsetWidth) {
| wrapper.style.height = wrapper.offsetWidth + 'px';
| wrapper.style.marginTop = -wrapper.offsetWidth / 2 + 'px';
| wrapper.style.top = '50%';
| } else {
| wrapper.style.height = "100%";
| wrapper.style.marginTop = 0;
| wrapper.style.top = 0;
| }
| }
| },
| mounted() {
| // 修改容器的大小
| this.changeWrapper();
| // 基于准备好的dom，初始化echarts实例
| this.$options.chart = echarts.init(this.$refs.chart);
|
| window.addEventListener('resize', this.resize);
| },
| destroyed() {
| window.removeEventListener('resize', this.resize);
| }
| }
| </script>
|
| <style scoped>
| .echarts-wrapper {
| position: relative;
| }
| </style>
|
|
