thousandsign/index.js

千分位符号

module.exports.thousandsign = (num, unit) => {
  if (!num && num !== 0) {
    return "--";
  }
  let result = "",
    counter = 0,
    numLen,
    numLit;
  num = num.toString();
  numLen = num.split(".")[0];
  numLit = num.split(".")[1] || "";
  for (let i = numLen.length - 1; i >= 0; i--) {
    counter++;
    result = numLen.charAt(i) + result;
    if (!(counter % 3) && i !== 0) {
      result = "," + result;
    }
  }
  return result + (numLit && "." + numLit) + (unit || "");
};