utils js

function fillNumberWithComma(num) {
  num += "";
  if (/^-?\d+(\.\d+)?$/.test(num)) {
    //確認(rèn)是數(shù)字
    var segments = num.split(".");
    return (
      segments[0]
        .split("")
        .reverse()
        .join("")
        .replace(/(\d{3})/g, "$1,")
        .split("")
        .reverse()
        .join("") + (segments[1] ? "." + segments[1] : "")
    );
  }
  return false;
}

export { fillNumberWithComma };

引用

  import { fillNumberWithComma } from "../utils/utils";

用法

data() {
  return {
  num : fillNumberWithComma(21234534)
}
}

呈現(xiàn)效果

• 21,234,534