pie饼

描述:当前是关于Echarts图表中的 饼图 示例。
 
             var giftImageUrl = "data:image/png;base64,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";

 option = {
     graphic: {
         elements: [{
             type: 'image',
             style: {
                 image: giftImageUrl,
                 width: 30,
                 height: 30
             },
             left: 'center',
             top: 'center'
         }]
     },
     title: {
         text: 'pie',
         subtext: '2016年',
         x: '50%', //center
         y: '30%', //center
         textStyle: {
             fontWeight: 'normal',
             fontSize: 16
         }
     },
     backgroundColor: '#dde',
     tooltip: {
         trigger: 'item',
         formatter: "{a} <br/>{b}: {c} ({d}%)"
     },
     legend: {
         orient: 'vertical', //horizontal 
         //bottom: '0%',
         x: 'left',
         data: ['data1', 'data2', 'data3']
     },
     series: [
         //内圈
         {
             name: '内圈',
             type: 'pie',
             roseType: 'area', //area比例缩放 ,radius
             radius: ['30%', '60%'],
             center: ['50%', '40%'], //位置
             color: ['#83D560', '#AF89D6', '#a9ADF3'],
             avoidLabelOverlap: false,
             label: {
                 normal: {
                     show: true,
                     position: 'inner', //center 
                     formatter: '{d}%', //{d} 
                     textStyle: {
                         color: '#fff',
                         fontWeight: 'bold',
                         fontSize: 14
                     }
                 },
                 emphasis: {
                     show: true,
                     textStyle: {
                         fontSize: '30',
                         fontWeight: 'bold'
                     }
                 }
             },
             labelLine: {
                 normal: {
                     show: false
                 }
             },

             data: [{
                 value: 1778.2,
                 name: 'data1'
             }, {
                 value: 7118,
                 name: 'data2'
             }, {
                 value: 3870.2,
                 name: 'data3'
             }]
         }, //外圈
         {
             name: '外圈',
             type: 'pie',
             radius: ['70%', '85%'], 
             avoidLabelOverlap: false,
             label: {
                 normal: {
                     show: true,
                     position: 'inner', //center  
                     formatter: function(param) {
                         return param.name + ':\n' + Math.round(param.percent) + '%';
                     },
                     textStyle: {
                         color: '#fff',
                         fontWeight: 'bold',
                         fontSize: 14
                     }
                 },

                 emphasis: {
                     show: false,
                 }
             },
             labelLine: {
                 normal: {
                     smooth: true,
                     lineStyle: {
                         width: 2
                     }
                 }
             },
             itemStyle: {
                 normal: {
                     shadowBlur: 30,
                     shadowColor: 'rgba(0, 0, 0, 0.4)'
                 }
             },

             data: [{
                 value: 178,
                 name: 'data1'
             }, {
                 value: 118,
                 name: 'data2'
             }, {
                 value: 870,
                 name: 'data3'
             }]
         }, {
             name: '最外圈',
             type: 'pie',
             radius: ['90%', '95%'],
             color: ['#ffff00'],
             avoidLabelOverlap: false,
             itemStyle: {
                 normal: {
                     color: '#F2F2F2'
                 },
                 emphasis: {
                     color: '#ADADAD'
                 }
             },
             label: {
                 normal: {
                     position: 'inner',
                     formatter: '{c}',
                     textStyle: {
                         color: '#777777',
                         fontWeight: 'bold',
                         fontSize: 10
                     }
                 }
             },

             data: [{
                 value: 178,
                 name: 'data1'
             }, {
                 value: 118,
                 name: 'data2'
             }, {
                 value: 870,
                 name: 'data3'
             }]
         }
     ]
 };
 myChart.setOption(option)