87 lines
2.6 KiB
JavaScript
87 lines
2.6 KiB
JavaScript
function echarts_31() {
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var myChart = echarts.init(document.getElementById('fb1'));
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var data = Chart31_Data;
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var option = {
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title: {
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text: '天气状况统计',
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// subtext: '数据来源：气象局',
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left: 'center',
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textStyle: {
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color: '#fff',
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fontSize: '16'
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}
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},
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tooltip: {
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trigger: 'item',
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position: function (p) { //其中p为当前鼠标的位置
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return [p[0] + 10, p[1] - 10];
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},
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formatter: function (params) {
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var dataItem = data.find(item => item.name === params.name);
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var value = `${dataItem.name}: ${params.value} (${params.percent}%) <br>`;
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dataItem.weather.forEach((v) => {
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value += `${v} <br>`;
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});
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return value; // 动态遍历数据显示地区、天气和百分比
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}
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},
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legend: {
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orient: 'vertical',
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left: 'left',
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top: '70%',
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itemWidth: 10,
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itemHeight: 10,
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textStyle: {
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color: 'rgba(255,255,255,.5)',
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fontSize: '12',
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},
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data: ['晴天', '多云', '小雨', '大雨', '阴天', '雷阵雨', '雾']
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},
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series: [
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{
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name: '天气状况',
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type: 'pie',
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center: ['50%', '42%'],
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radius: ['40%', '60%'],
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avoidLabelOverlap: false,
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label: {
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show: false,
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position: 'center',
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formatter: '{b}: {c}' // 显示地区名称和天气数据
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},
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emphasis: {
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label: {
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show: true,
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fontSize: '30',
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fontWeight: 'bold'
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}
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},
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labelLine: {
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show: false
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},
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data: data.map(item => ({
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value: item.value,
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name: item.name,
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itemStyle: {color: item.color},
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label: {
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normal: {
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show: false // 设置标签显示为normal
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}
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}
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}))
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}
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]
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};
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myChart.setOption(option);
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window.addEventListener("resize", function () {
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myChart.resize();
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});
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} |