echarts知识点汇总

tooltip添加单位名称显示：

 tooltip: {
          trigger: 'axis',
          formatter: function (params) {
            let result = params[0].axisValueLabel + "
"
            params.forEach(function (item) {
              result += item.marker + item.seriesName + "：" + item.data + (item.seriesName =='压力'?' bar':" ℃") +"
"
            })
            return result;
          }
        },