• Echarts之内嵌圆环图v5.1.2


    相比v4,v5有些许变动。我也没看官方文档,就对着浏览器开发者工具报错的地方一个一个调的,又综合了别人的经验,代码如下

    放在drawPieAll function下

     drawPieAll() {
          // myChart paint more times, it will warn
          if (
            this.myChart != null &&
            this.myChart != "" &&
            this.myChart != undefined
          ) {
            this.myChart.dispose();
          }
          this.$nextTick(() => {
            this.myChart = echarts.init(document.getElementById("pieAll"));
    
            let dashedPic =
              "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAM8AAAAOBAMAAAB6G1V9AAAAD1BMVEX////Kysrk5OTj4+TJycoJ0iFPAAAAG0lEQVQ4y2MYBaNgGAMTQQVFOiABhlEwCugOAMqzCykGOeENAAAAAElFTkSuQmCC";
            let color = ["#FF8700", "#ffc300", "#00e473", "#009DFF", "#a794c8"];
            let chartData = [
              { value: this.getAmount("statement", "正常"), name: "正常" },
              { value: this.getAmount("statement", "缺卡"), name: "缺卡" },
              { value: this.getAmount("statement", "早退"), name: "早退" },
              { value: this.getAmount("statement", "迟到"), name: "迟到" },
              {
                value: this.getAmount("statement", "补打卡"),
                name: "补打卡",
              },
            ];
            let arrName = [];
            let arrValue = [];
            let sum = 0;
            let pieSeries = [],
              lineYAxis = [];
    
            // 数据处理
            chartData.forEach((v, i) => {
              arrName.push(v.name);
              arrValue.push(v.value);
              sum = sum + v.value;
            });
    
            // 图表option整理
            chartData.forEach((v, i) => {
              pieSeries.push({
                name: "考勤情况",
                type: "pie",
                clockwise: false,
                radius: [65 - i * 15 + "%", 57 - i * 15 + "%"],
                center: ["30%", "50%"],
                label: {
                  show: false,
                },
                data: [
                  {
                    value: v.value,
                    name: v.name,
                  },
                  {
                    value: sum - v.value,
                    name: "",
                    itemStyle: {
                      color: "rgba(0,0,0,0)",
                    },
                  },
                ],
              });
              pieSeries.push({
                name: "",
                type: "pie",
                silent: true,
                z: 1,
                clockwise: false, //顺时加载
                radius: [65 - i * 15 + "%", 57 - i * 15 + "%"],
                center: ["30%", "50%"],
                label: {
                  show: false,
                },
                data: [
                  {
                    value: 7.5,
                    itemStyle: {
                      color: "#E3F0FF",
                    },
                  },
                  {
                    value: 2.5,
                    name: "",
                    itemStyle: {
                      color: "#e3f0ff",
                    },
                  },
                ],
              });
              v.percent = ((v.value / sum) * 100).toFixed(1) + "%";
              lineYAxis.push({
                value: i,
     textStyle: {
                rich: {
                    circle: {
                        color: color[i],
                        padding: [0, 5]
                    }
                }
            }
              });
            });
    
            var option = {
              tooltip: {
                trigger: "item",
              },
              backgroundColor: "#fff",
              color: color,
              grid: {
                top: "18%",
                bottom: "220",
                left: "30%",
                containLabel: false,
              },
              yAxis: [
                {
                  type: "category",
                  inverse: true,
                  axisLine: {
                    show: false,
                  },
                  axisTick: {
                    show: false,
                  },
                  axisLabel: {
                    rich: {
                      circle: {
                        color: color[1],
                        padding: [0, 5],
                      },
                    },
                    formatter: function (params) {
                      let item = chartData[params];
                      console.log(item);
                      return (
                        "{line|}{circle|●}{name|" +
                        item.name +
                        "}{bd||}{percent|" +
                        item.percent +
                        "}"
                      );
                    },
                    interval: 0,
                    inside: true,
                    textStyle: {
                      color: "#333",
                      fontSize: 14,
                      rich: {
                        line: {
                           170,
                          height: 10,
                          backgroundColor: { image: dashedPic },
                        },
                        name: {
                          color: "#666",
                          fontSize: 14,
                        },
                        bd: {
                          color: "#ccc",
                          padding: [0, 5],
                          fontSize: 14,
                        },
                        percent: {
                          color: "#333",
                          fontSize: 14,
                        },
                        value: {
                          color: "#333",
                          fontSize: 16,
                          fontWeight: 500,
                          padding: [0, 0, 0, 20],
                        },
                        unit: {
                          fontSize: 14,
                        },
                      },
                    },
                    show: true,
                  },
                  data: lineYAxis,
                },
              ],
              xAxis: [
                {
                  show: false,
                },
              ],
              series: pieSeries,
            };
          this.myChart.setOption(option);
          });
    } 

    加强版——叠加直360°

    加入了一个计算旋转角度的玩意

    参考文档

    Make A Pie - 3/4圆环图

     Make A Pie - 饼图

    人生到处知何似,应似飞鸿踏雪泥。
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  • 原文地址:https://www.cnblogs.com/lepanyou/p/15100088.html
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