多x轴（每个X轴对应多条曲线）的缩放问题echarts 折线配置项内容和展示

设置多个x轴，每个x轴对应多根曲线，设置dataZoom属性，然后设置toolbox属性，缩放时曲线数据消失

          
    var base = +new Date(1968, 9, 3);
     var oneDay = 24 * 3600 * 1000;
    var date = [];
    var data = [Math.random()*300];
    for (var i = 1; i < 20000; i++) {
    var now = new Date(base += oneDay);
    date.push([now.getFullYear(), now.getMonth() + 1, now.getDate()].join('/'));
    data.push(Math.round((Math.random() - 0.5) * 20 + data[i - 1]));
}

var a = [[1524549242072, 49],[1524549242634, 46],[1524549243195, 48],[1524549243757, 48],[1524549244053, 50],[1524549244615, 53],[1524549245176, 54],[1524549245738, 52],[1524549246300, 54]];

    var base1 = +new Date(1999, 9, 3);
    var date1 = [];
    var data1 = [Math.random()*200];
    for (var i = 1; i < 20000; i++) {
    var now1 = new Date(base1 += oneDay);
    date1.push([now.getFullYear(), now.getMonth() + 1, now.getDate()].join('/'));
    data1.push(Math.round((Math.random() - 0.5) * 20 + data1[i - 1]));
}
    option = {
        title: {

        	left: 'auto',
            text: '999'
        },
        tooltip : {
            trigger: 'axis'
        },
        legend: {
      
            data:['Crown_25','Crown_40','Wedge_25','Crown_25(2)','Crown_40(2)','Wedge_25(2)']
        }, 
        toolbox: {
        	itemSize: 15,
        	orient: 'horizontal',
        	right:150,
        	top:15,
        	feature: {
                dataZoom:{
    
              },
                dataView: {readOnly: false},
            	magicType: {type: ['line', 'bar']},
                restore:{},
                saveAsImage: {},
            }
        }, 	dataZoom: [
		         		  {
			          			type: 'inside',
			          			xAxisIndex: [0,1],
			          			start: 0,
			          			end: 100,
			          		},{
			          			type: 'slider',
			          			xAxisIndex: [0,1],
			          			start: 0,
			          			end: 100,
		
			          		},{
			          			type: 'inside',
			          			yAxisIndex: [0],
			          			start:0,
			          			end: 100,
			          		
			          		},{
			          			type: 'slider',
			          			yAxisIndex: [0],
			          			start: 0,
			          			end: 100,
			         
			          		},{
			          			type: 'inside',
			          			xAxisIndex: [1],
			          			start: 0,
			          			end: 100,
			          		},{
			          			type: 'slider',
			          			xAxisIndex: [1],
			          			start: 0,
			          			end: 100,
			          
			          		}],
        xAxis : [
            {
            	name: 'T/秒',
                type:'category',
                data:date,
            },
            {
             	name: 'T/秒',
             	position: 'top',
              /*data:date,*/
             type:'time',
           }
        ],
        yAxis : [
            {
				name: '555',
                type : 'value',
            }
        ],
        series : [
            {
				name:'Crown_25',
				type:'line',
				data:data
			},{
				name:'Crown_40',
				type:'line',

			},{
				name:'Wedge_25',
				type:'line',

			}, {
				name:'Crown_25(2)',
				type:'line',
				xAxisIndex:'1',
				data:a

			},{
				name:'Crown_40(2)',
				type:'line',
				xAxisIndex:'1',

			},{
				name:'Wedge_25(2)',
				type:'line',
				xAxisIndex:'1',

			}
        ]
    };