import * as echarts from 'echarts'
export function lineOption () {

  return {
    tooltip: {
      trigger: 'axis',
      axisPointer: {
        type: 'cross',
        label: {
          backgroundColor: '#6a7985'
        }
      }
    },
    xAxis: {
      type: 'category',
      // boundaryGap: false,
      axisLabel: {
        color: '#8ec7dc',
        fontSize: 16
      },
      axisTick: {
        show: false
      },
      axisLine: {
        lineStyle: {
          color: '#0c4b59'
        }
      }
    },
    yAxis: {
      nameTextStyle: {
        color: '#8ec7dc',
        fontSize: 18
      },
      splitNumber: 4,
      minInterval: 1,
      show: true,
      type: 'value',
      axisLabel: {
        color: '#8ec7dc',
        fontSize: 18
      },
      axisTick: {
        show: false
      },
      splitLine: {
        lineStyle: {
          color: ['#145968'],
          type: 'dotted'
        }
      },
      axisLine: {
        show: true,
        symbol: ['none', 'arrow'],
        symbolOffset: [0, 15],
        lineStyle: {
          color: '#0c4b59'
        }
      }
    },
    series: [
      {
        name: '项目数',
        type: 'line',
        smooth: true,
        barWidth: 15,
        areaStyle: {},
        itemStyle: {
          color: new echarts.graphic.LinearGradient(
            0, 1, 0, 0,
            [
              { offset: 0, color: 'rgba(121, 55, 255, 0)' },
              { offset: 1, color: '#6339FF' }
            ]
          )
        }
      },
      // {
      //   data: [820, 932, 901, 934, 1290, 1330, 1320],
      //   type: 'line',
      //   areaStyle: {}
      // }
    ]

  }
}