option = { title : { text: '房价与收入关系的四种城市类型 ', x:'center' }, tooltip : { trigger: 'item', formatter: "{a} <br/>{b} : {c} ({d}%)" }, legend: { orient: 'vertical', left: 'left', data: ['压力山大','悠闲自在','辛苦劳作','小康生活'] }, series : [ { name: '访问来源', type: 'pie', radius : '55%', center: ['50%', '60%'], data:[ {value:5, name:'压力山大'}, {value:4, name:'悠闲自在'}, {value:5, name:'辛苦劳作'}, {value:17, name:'小康生活'} ], itemStyle: { emphasis: { shadowBlur: 10, shadowOffsetX: 0, shadowColor: 'rgba(0, 0, 0, 0.5)' } } } ] };