Echarts2.0雷达图tooltip单轴数据

option = {
    title : {
        text: '消防训练量化评分',
        show:true,
      x:'center'
    },
    tooltip : {
        trigger: 'axis',
        formatter: function (params, ticket, callback) {
            var showHtm="";
            for(var i=0;i