利用Echarts实现图例显示百分比效果
目录
- 效果图
- 主要代码
- 全部代码
echarts图例显示百分比
效果图
主要代码
全部代码
secondChart = () => { //datas的数据是接口拿到的数据 const { texture } = this.state; const datas = texture; var option = { color: [ "#3774e5", "#4ea9d9", "#b041ef", "#a25fea", "#1b50b3", "#8a40ef", "#5a8be8", ], legend: { selectedMode: false, // 取消图例上的点击事件 type: "plain", icon: "square", orient: "vertical", left: "55%", top: "0", align: "left", itemGap: 4, itemWidth: 10, // 设置宽度 itemHeight: 10, // 设置高度 symbolKeepAspect: false, textStyle: { rich: { name: { verticalAlign: "right", align: "left", width: 75, fontSize: 12, }, value: { align: "left", width: 35, fontSize: 12, }, count: { align: "left", width: 20, fontSize: 12, }, upRate: { align: "left", fontSize: 12, color: "#54bef9", }, downRate: { align: "left", fontSize: 12, color: "#54bef9", }, }, color: "#54bef9", }, data: datas.map((item) => item.name), formatter: function (name) { var total = 0; var tarValue; for (var i = 0; i < datas.length; i++) { total += datas[i].value; if (name === datas[i].name) { tarValue = datas[i].value; } } var p = Math.round((tarValue / total) * 100); return "{name| " + name + "} " + "{value| " + p + "%}"; }, }, series: [ { name: "数量", type: "pie", hoverAnimation: false, clockwise: false, radius: ["45%", "70%"], center: ["30%", "50%"], data: datas, itemStyle: { normal: { borderColor: "#021336", borderWidth: 4, }, }, label: { normal: { show: false, position: "center", formatter: "{text|{c}}\n{b}", rich: { text: { align: "center", verticalAlign: "middle", padding: 8, fontSize: 12, }, value: { align: "center", verticalAlign: "middle", fontSize: 12, }, }, }, emphasis: { show: true, textStyle: { fontSize: "12", }, }, }, labelLine: { normal: { show: true, }, }, }, ], }; this.Chart_init2 = echarts.init(this.Chart_dom2.current); this.Chart_init2.setOption(option); };
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