饼图

描述:当前是关于Echarts图表中的 饼图 示例。
 
            // 色值
var color = ['#2ca1ff', '#0adbfa', '#febe13', '#65e5dd', '#7b2cff', '#fd5151', '#f071ff', '#85f67a', '#0baefd', '#fdcd0b', '#0bfdab', '#ff5353', '#ff72cb', '#8488ff',]
// lable
let legendData = ['新增', '竣工', '结项', '终止']
let pieData = [90, 80, 100, 120]
// 总和
var sumNum = eval(pieData.join("+"))
// 前
var seriesData1 = []
// 后
var seriesData2 = []
pieData.forEach((v, inx) => {
    // 前
    var qvalue = 0
    if (inx > 0) {
        for (var j = 0; j < inx; j++) {
            qvalue += pieData[j]
        }
    }
    // 后
    var hvalue = sumNum - v - qvalue
    if (inx > 2) {
        hvalue = 0
    }
    seriesData1.push(qvalue)
    seriesData2.push(hvalue)
})
// 图表option整理
let pieSeries = []
pieData.forEach((v, i) => {
    pieSeries.push({
        type: 'pie',
        hoverAnimation: false,
        radius: [65 - i * 3 + '%', 60 - i * 3 + '%'],
        center: ["50%", "50%"],
        data: [
            // 前
            {
                value: (seriesData1[i] / sumNum) * 100,
                label: {
                    show: false
                },
                itemStyle: {
                    opacity: 0,
                }
            },
            // 值
            {
                value: (v / sumNum) * 100,
                label: {
                    formatter: function (param) {
                        return v
                    },

                },
                labelLine: {
                    show: true,
                    length: 100,
                    lineStyle: {
                        color: "#fff"
                    }
                },
                itemStyle: {
                    normal: {
                        color: color[i % 14],
                        borderRadius: 50,
                    },

                }
            },
            // 后
            {
                value: (seriesData2[i] / sumNum) * 100,
                label: {
                    show: false
                },
                itemStyle: {
                    opacity: 0,
                },
            },
        ]
    });
})

option = {
    backgroundColor: '#013A54',
    color: color,
    grid: {
        top: '0%',
        bottom: '4%',
        left: "0%",
        containLabel: false
    },
    series: pieSeries
};