Echarts在线免费图表

 
            var scale = 1;
var echartData = [{
    value: 54,
    name: '打架斗殴',
     itemStyle: {
                    normal: {//颜色渐变
                        color: new echarts.graphic.LinearGradient(
                            0, 0, 0, 1,
                            [
                                {offset: 0, color: '#E58B44'},
                                {offset: 1, color: 'transparent'}
                            ]
                        )
                    }
                }
              
}, {
    value: 4,
    name: '校园暴力',
     itemStyle: {
                    normal: {//颜色渐变
                        color: new echarts.graphic.LinearGradient(
                            0, 0, 0, 1,
                            [
                                {offset: 0, color: '#D95CFF'},
                                {offset: 1, color: 'transparent'}
                            ]
                        )
                    }
                }
       
}, {
    value: 115,
    name: '课堂违纪',
     itemStyle: {
                    normal: {//颜色渐变
                        color: new echarts.graphic.LinearGradient(
                            0, 0, 0, 1,
                            [
                                {offset: 0, color: '#06A3F4'},
                                {offset: 1, color: 'transparent'}
                            ]
                        )
                    }
                }
       
}, {
    value: 50,
    name: '早恋',
     itemStyle: {
                    normal: {//颜色渐变
                        color: new echarts.graphic.LinearGradient(
                            0, 0, 0, 1,
                            [
                                {offset: 0, color: '#29AF62'},
                                {offset: 1, color: 'transparent'}
                            ]
                        )
                    }
                }
       
}, {
    value: 100,
    name: '其它',
     itemStyle: {
                    normal: {//颜色渐变
                        color: new echarts.graphic.LinearGradient(
                            0, 0, 0, 1,
                            [
                                {offset: 0, color: '#FF3939'},
                                {offset: 1, color: 'transparent'}
                            ]
                        )
                    }
                }
       
}]
var total_datas = 0;
for (var i = 0; i < echartData.length; i++) {
    total_datas += echartData[i].value
}

var rich = {
    yellow: {
        color: "#ffc72b",
        fontSize: 15 * scale,
        // padding: [21, 0],
        align: 'center'
    },
    total: {
        color: "#ffc72b",
        fontSize: 40 * scale,
        align: 'center'
    },

    blue: {
        color: '#49dff0',
        fontSize: 16 * scale,
        align: 'center'
    },
    hr: {
        borderColor: '#0b5263',
        width: '100%',
        borderWidth: 1,
        height: 0,
    }
},
option = {
    backgroundColor: '#101a3c',
   title: {
        text: '学生违纪情况',
        subtext: total_datas,
        textStyle: {
            color: '#f2f2f2',
            fontSize: 25,
            align: 'center'
        },
        subtextStyle: {
            fontSize: 30,
            color: ['#ff9d19']
        },
        x: 'center',
        y: 'center',
    },
      legend: {
            // orient 设置布局方式，默认水平布局，可选值：'horizontal'（水平） | 'vertical'（垂直）
            orient: 'vertical',
            // x 设置水平安放位置，默认全图居中，可选值：'center' | 'left' | 'right' | {number}（x坐标，单位px）
            x: 'left',
            // y 设置垂直安放位置，默认全图顶端，可选值：'top' | 'bottom' | 'center' | {number}（y坐标，单位px）
            y: 'center',
            itemWidth: 24,   // 设置图例图形的宽
            itemHeight: 18,  // 设置图例图形的高
            textStyle: {
              color: 'white'  // 图例文字颜色
            },
            // itemGap设置各个item之间的间隔，单位px，默认为10，横向布局时为水平间隔，纵向布局时为纵向间隔
            itemGap: 30,
            data: ['打架斗殴','校园暴力','课堂违纪','早恋','其它']
          },

    series: [{
        name: '违纪总次数',
        type: 'pie',
         itemStyle: {
        normal: {
          borderWidth: 5,
          borderColor: "#030d22"
        }
      },
        radius: ['38%', '50%'],
        hoverAnimation: false,
        color: ['#c487ee', '#deb140', '#49dff0', '#034079', '#6f81da'],
        label: {
            normal: {
                formatter: function(params, ticket, callback) {
                    var total = 0; //考生总数量
                    var percent = 0; //考生占比
                    echartData.forEach(function(value, index, array) {
                        total += value.value;
                    });
                    percent = ((params.value / total) * 100).toFixed(1);
                    return '{yellow|' + params.value + '}\n{blue|' + percent + '%}';
                },
                rich: rich
            },
        },
        labelLine: {
            normal: {
                length: 55 * scale,
                length2: 10,
                lineStyle: {
                    color: '#0b5263'
                }
            }
        },
        data: echartData
    }]
};