var echarts = require('echarts');
      var myChart = echarts.init(document.getElementById('item'));
      let option = {
        title : {
        text: (new Date()).getFullYear()+'年度',
      },
      tooltip : {
        trigger: 'axis'
      },
      legend: {
        data:['入庫數','取件數','退件數'
 
]
      },
      toolbox: {
        show : true,
        feature : {
          mark : {show: true},
          dataView : {show: true, readOnly: false},
          magicType : {show: true, type: ['line', 'bar']},
          restore : {show: true},
          saveAsImage : {show: true}
        }
      },
      calculable : true
 
,
      xAxis : [
        {
          type : 'category',
          data : ['天天快遞','申通快遞','德邦快遞']
         }
      ],
      yAxis : [
        {
          type : 'value'
        }
      ],
      series : [
        {
          name:'入庫數',
          type:'bar',
          data:[12，,34,20],
          markPoint : {
            data : [
              {type
 
 : 'max', name: '最大值'},
              {type : 'min', name: '最小值'}
            ]
          },
          markLine : {
            data : [
              {type : 'average', name: '平均值'}
            ]
          }
        },
        {
          name:'取件數',
          type:'bar',
          data:[14,11,40],
          markPoint : {
            data : [
              {type : 'max', name: '最大值'},
              {type : 'min', name: '最小值'}
            ]
          },
          markLine : {
            data : [
              {type : 'average', name: '平均值'}
            ]
          }
        },
        {
          name:'退件數',
          type:'bar',
          data:[34,12,8],
          markPoint : {
            data : [
              {type : 'max', name: '最大值'},
              {type : 'min', name: '最小值'}
            ]
          },
          markLine : {
            data : [
              {type : 'average', name: '平均值'}
            ]
          }
        },

      ]};
      myChart.setOption(option);
    }