tooltip: {
show: true,
trigger: 'axis',
formatter: function (param) {
console.log(param)
// 利用循环更改显示的内容
let list = param.length
let Oparam=param
console.log(list)
let txt = param[0].name+""+"\n"
for (var i=0;i<list;i++){
txt += param[i].seriesName + ":" + param[i].data + '\n'
}
return txt
},
},
