南丁格尔图

描述:当前是关于Echarts图表中的 饼图 示例。
 
            option = {
    backgroundColor:'#000',
	tooltip: {
		trigger: 'item',
		formatter: "{a} <br/>{b} : {c} ({d}%)"
	},
	legend: {
		x: 'center',
		y: 'bottom',
		data: ['rose1', 'rose2', 'rose3', 'rose4', 'rose5', 'rose6', 'rose7', 'rose8']
	},
	// calculable : true,
	series: [{
		name: '案件来源',
		type: 'pie',
		radius: ['30%', '70%'],
		roseType: 'area',
		data: [{
			value: 1211,
			name: '电话'
		},
			{
				value: 3211,
				name: '书记信箱'
			},
			{
				value: 2000,
				name: '江苏郑行风'
			},
			{
				value: 1700,
				name: '县长信箱'
			},
			{
				value: 3211,
				name: '市民论坛'
			},
			{
				value: 1300,
				name: '其他'
			},
		],
		color: ['rgba(35,85,181,0.8)', 'rgba(22,105,180,0.8)', 'rgba(44,77,182,0.8)', 'rgba(48,115,182,0.8)', 'rgba(17,92,159,0.8)', 'rgba(46,113,179,0.8)'],
		label: {
			show: true,
			color: 'rgba(255,255,255,0.5)',
			fontSize: 20,
			formatter:function (params) {
				console.log(params);
				return [
					`{a|${params.name}}`,
					`{b|${params.value}}`
				].join('\n')
			},
			rich: {
				a: {
					fontSize:20,
					fontWeight:'400',
					fontFamily: 'Microsoft YaHei',
					color: 'rgba(255,255,255,.5)',
					lineHeight: 20
				},
				b: {
					fontSize:20,
					fontWeight:'400',
					fontFamily: 'FuturaStd-Heavy',
					color: 'rgba(255,255,255,1)',
					lineHeight: 30
				}
			}
		},
		itemStyle: {
			borderColor: '#51ACDF'
		}
	}]
};