展现效果
代码展示：
formatter: (name) => {
let data = this.chartData.list
let total = 0
let target
let val
for (var i = 0, l = data.length; i < l; i++) {
total += +(data[i].value)
if (data[i].name === name) {
val = data[i].value
target = +(data[i].value)
}
}
let arr = [name + ’ ’ + val + ‘个 ’ + ((target / total) * 100).toFixed(2) + ‘%’,]
return arr.join(’\n’) \
