在echarts中带着图例颜色并且添加单位的浮动框设置
tooltip:{
trigger: 'axis',
formatter: function (params) {
var relVal = params[0].name;
for (var i = 0, l = params.length; i < l; i++) {
relVal += '<br/>' + params[i].marker + params[i].seriesName + ' : ' + params[i].value + '%'
}
return relVal;
}
},
