<!--#head#-->
<view class="container">
	<ec-canvas id="mychart-dom-pie" canvas-id="mychart-pie" ec="{{ec}}"></ec-canvas>
</view><!--#end head#--><!--#css#-->
ec-canvas {
	width: 100%;
	height: 100%;
}<!--#end css#--><!--#js#-->
import * as echarts from '../../ec-canvas/echarts';

function initChart(canvas, width, height) {
	const chart = echarts.init(canvas, null, {
		width: width,
		height: height
	});
	canvas.setChart(chart);
	///
	
	var option = {
    backgroundColor: '#2c343c',

    title: {
        text: 'Customized Pie',
        left: 'center',
        top: 20,
        textStyle: {
            color: '#ccc'
        }
    },

    tooltip : {
        trigger: 'item',
        formatter: "{a} <br/>{b} : {c} ({d}%)"
    },

    visualMap: {
        show: false,
        min: 80,
        max: 600,
        inRange: {
            colorLightness: [0, 1]
        }
    },
    series : [
        {
            name:'访问来源',
            type:'pie',
            radius : '55%',
            center: ['50%', '50%'],
            data:[
                {value:335, name:'直接访问'},
                {value:310, name:'邮件营销'},
                {value:274, name:'联盟广告'},
                {value:235, name:'视频广告'},
                {value:400, name:'搜索引擎'}
            ].sort(function (a, b) { return a.value - b.value; }),
            roseType: 'radius',
            label: {
                normal: {
                    textStyle: {
                        color: 'rgba(255, 255, 255, 0.3)'
                    }
                }
            },
            labelLine: {
                normal: {
                    lineStyle: {
                        color: 'rgba(255, 255, 255, 0.3)'
                    },
                    smooth: 0.2,
                    length: 10,
                    length2: 20
                }
            },
            itemStyle: {
                normal: {
                    color: '#c23531',
                    shadowBlur: 200,
                    shadowColor: 'rgba(0, 0, 0, 0.5)'
                }
            },
            animationType: 'scale',
            animationEasing: 'elasticOut',
            animationDelay: function (idx) {
                return Math.random() * 200;
            }
        }
    ]
};
	
	///
	chart.setOption(option);
	return chart;
}

Page({
	data: {
		ec: {
			onInit: initChart
		}
	}
});<!--#end js#--><!--#json#-->{
  "usingComponents": {
    "ec-canvas": "../../ec-canvas/ec-canvas"
  }
}<!--#end json#-->