option = { tooltip: { show:false, trigger: 'axis' }, legend: { data:['值', '数'] }, xAxis: [ { type: 'value', boundaryGap: false, splitLine:{ show:false } }, { type: 'value', show: false, boundaryGap: false, splitLine:{ show:false } }, ], yAxis: { show:false, type: 'value', interval:1, max:3, splitLine:{ show:false }, axisTick:{ show:false } }, series: [ { smooth: true, symbolSize: 1, symbol: 'circle', showSymbol: false, name:'值', type:'line', data:[ [0,0], [1,0], [2,1], [3,0], [4,1], [5,0], [6,0] ], }, { smooth: true, xAxisIndex:1, symbolSize: 1, symbol: 'circle', showSymbol: false, name:'数', type:'line', data:[ [0,0], [1,0], [2,1], [3,0], [4,0], ], } ] };