<div class="ringlike-chart" echarts [options]="options" (chartInit)="onChartInitOne($event)"></div> // 初始化 public onChartInitOne(value: any): void { this.qualityControlBar = value; } // 值更新的时候重新set this.qualityControlBar.setOption(this.options, true);
public tooltipFormatter(params: any): string { const arr = []; if (params instanceof Array) { const flag = params.every((item: any) => { if (typeof item.data === 'undefined') { return item; } }); if (flag) { return ''; } params.forEach((item: any) => { const span = `<span style="width:10px;height:10px;display:inline-block;background:${item.color};margin-right:4px;border-radius:50%;"></span>`; const value1 = item.value ? item.value + '%' : '0.00%'; const div1 = `<div style="text-align:right;margin-left:20px;">${value1}</div>`; const div2 = `<div>${span}${item.seriesName}</div>`; const div3 = `<div style="line-height:20px;display:flex;justify-content: space-between;min-width:200px;">${div2}${div1}</div>`; const tmp: string = `${div3}`; arr.push(tmp); }); } arr.unshift(`<div>${params[0].axisValueLabel}<div>`); return arr.join('\n'); }
public options = { backgroundColor: '#fff', title: { // 标题 text: '漏诊改善趋势', padding: [5, 0, 12, 30], textStyle: { color: '#000000', fontStyle: 'normal', fontWeight: 500, fontFamily: 'Source Han Sans CN', fontSize: 16, }, }, tooltip: { // 悬浮提示 trigger: 'axis', formatter: (params: any) => { return this.tooltipFormatter(params); }, }, legend: { // 头部说明 icon: 'rect', itemHeight: 2, itemWidth: 16, x: 'left', y: 'top', padding: [40, 0, 0, 30], textStyle: { fontSize: '12px', }, data: [] }, grid: { // 图的布局 left: '3%', right: '4%', bottom: '10%', top: '25%', containLabel: true }, toolbox: { // 是否显示下载 feature: { saveAsImage: { show: false } } }, dataZoom: [{ type: 'slider', show: true, xAxisIndex: [0], left: '9%', bottom: 0, start: 10, end: 90, // 初始化滚动条 height: 14, }], xAxis: { type: 'category', boundaryGap: false, data: [ ] }, yAxis: { type: 'value', min: 0, // 配置 Y 轴刻度最小值 max: 100, // 配置 Y 轴刻度最大值 splitNumber: 5, // 配置 Y 轴数值间隔 splitLine: { show: true, lineStyle: { type: 'dashed', }, }, axisLabel: { formatter: (res) => { if (res === 0) { return 0; } return res + '%'; }, }, axisLine: { show: false }, axisTick: { show: false } }, series: [ ] };
// 此处修改悬浮展示内容
标签:const,echart,show,value,item,params,使用,return,angular From: https://www.cnblogs.com/cai-xin/p/16625407.html