option = { title: { text: '各校文理一本学生数', left: 'left' }, legend: {}, tooltip: {}, dataset: { source: [ ['product', '理科生', '文科生', '学生总数'], ['廉州中学', 535, 75, 610], ['北海中学', 524, 67, 591], ['北师附中', 97, 31, 128], ['北海七中', 95, 20, 115], ['国际学校', 62, 32, 94], ['合浦一中', 66, 9, 75], ] }, xAxis: { type: 'category' }, yAxis: {}, // Declare several bar series, each will be mapped // to a column of dataset.source by default. series: [{ type: 'bar' }, { type: 'bar' }, { type: 'bar' } ] };