[轉]echarts柱狀圖點擊事件獲取自定義參數

原文地址:https://www.jianshu.com/p/9c6d94e57ab3

series: [
          {
            label: {
              show: true,
              // labelText在bar外右上方
              position: 'top',
              // offset: [-11, -2],
              // distance: -12,
              color: '#37f8f5',
              fontSize: '18',
              fontWeight: 'bolder'
            },
            // barGap: '100%',
            // barCategoryGap: '50%',
            barWidth: 40, // 修改柱狀圖的寬度
            data: [{value: 0, deptCode: "JE0"}, {value: 1131, deptCode: "JE504"}],//!!!這里數組元素由數值改為對象,則value是原來的值,其他自定義屬性如deptCode可作為參數傳遞到點擊獲取的對象中
            type: 'bar',
            showBackground: true,
            backgroundStyle: {
              color: 'rgba(180, 180, 180, 0.2)'
            },
            itemStyle: {
              color: '#36adee',
              emphasis: {
                barBorderRadius: 1
              },
              normal: {
                // 漸變色
                color: new echarts.graphic.LinearGradient(
                  0, 0, 0, 1,
                  [
                    { offset: 0, color: '#FFFFFF' },
                    { offset: 1, color: '#83f5de' }
                  ]
                ),
                shadowBlur: 20,
                shadowColor: 'rgba(64,95,94,0.5)',
                barBorderRadius: 5
              }
            }
          }
        ]