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|
| <template>
| <div class="echarts-box" id="countBarChart"></div>
| </template>
|
| <script>
| export default {
| data () {
| return {
| myChart: null
| }
| },
|
| methods: {
| getctoduihuakuang (params) {
| this.$emit("childEvent", params, '签到情况')
| },
| initEcharts (params) {
| this.$nextTick(() => {
| this.createBarChart(params)
| })
| },
| createBarChart (signData) {
| if (!this.myChart) {
| this.myChart = this.$echarts.init(
| document.getElementById("countBarChart")
| )
| } else {
| // 清除点击事件很重要不然会累计很多，导致点击一次调用n次的情况
| this.myChart.off('click')
| }
|
| let chartData = [
| { value: signData.realNum, percent: signData.sign * 100, name: '已签到' },
| { value: signData.unArriveNum, percent: signData.unSign * 100, name: '未签到' }
| ]
| // 指定图表的配置项和数据
| const option = {
| tooltip: {
| show: true,
| trigger: "item",
| formatter: function (params) {
| return (
| params.name +
| ":" +
| params.percent +
| "%"
| )
| }
| },
| legend: {
| top: 10,
| right: 10,
| selectedMode: false,
| textStyle: {
| color: "white" // 更改图例文本颜色
| }
| },
| series: [
| {
| type: "pie",
| radius: ["80%", "40%"],
| center: ["50%", "60%"],
| startAngle: 180,
| label: {
| show: true,
| color: "#ffffff",
| fontSize: "12",
| formatter (params) {
| return (
| params.name +
| ":" +
| params.percent +
| "%"
| )
| }
| },
| data: chartData
| }
| ]
| }
|
| this.myChart.setOption(option)
| this.myChart.on("click", params => {
| this.getctoduihuakuang(params)
| })
| }
| }
| }
| </script>
|
| <style lang="scss" scoped>
| .echarts-box {
| width: 100%;
| height: 160px;
| }
| </style>
|
|
