// toD.js文件
export default (val) => {
const e = String(val)
let rex = /^([0-9])\.?([0-9]*)e-([0-9])/
if (!rex.test(e)) return val
const numArr = e.match(rex)
const n = Number('' + numArr[1] + (numArr[2] || ''))
const num = '0.' + String(Math.pow(10, Number(numArr[3]) - 1)).substr(1) + n
return num.replace(/0*$/, '') // 防止可能出现0.0001540000000的情况
}
// 用法:
import toD form './toD' toD(2.32e-5) // 0.0000232
05-11 20:48