text: $(function() {
      let dom = document.getElementById("container2");
      let myChart = echarts.init(dom);
      let app = {};
      let option = {
          
          legend: {
              x : 'center',
              y : 'bottom',
              itemWidth: 8,
              itemHeight: 8,
              textStyle:{//图例文字的样式
                  color:'#fff',
                  fontSize:12
              },
              data:['上限','上上限','下限','下下限','正跳变','负跳变']
          },
          calculable : true,
          series : [
              {
                  name:'面积模式',
                  type:'pie',
                  radius : [30, 100],
                  center : ['50%', '45%'],
                  roseType : 'area',
                  data:[
                      {value:vm.online.v1, name:'上限',itemStyle:{normal:{color:'#ff7800'}}},
                      {value:vm.online.v2, name:'上上限',itemStyle:{normal:{color:'#23eb6a'}}},
                      {value:vm.online.v3, name:'下限',itemStyle:{normal:{color:'#7627cb'}}},
                      {value:vm.online.v4, name:'下下限',itemStyle:{normal:{color:'#fffc00'}}},
                      {value:vm.online.v5, name:'正跳变',itemStyle:{normal:{color:'#46afdb'}}},
                      {value:vm.online.v6, name:'负跳变',itemStyle:{normal:{color:'#ff0000'}}}
                  ]
              }
          ]
      };
  
      if (option && typeof option === "object") {
          myChart.setOption(option, true);
      }
  });