ivue-material/src/utils/pad.js

A high quality UI components Library with Vue.js

// 拼接字符串
const padStart = (string, targetLength, padString) => {
      targetLength = targetLength >> 0;
      string = String(string);
      padString = String(padString);
      if (string.length > targetLength) {
            return String(string);
      }

      targetLength = targetLength - string.length;

      if (targetLength > padString.length) {
            padString += padString.repeat(targetLength / padString.length);
      }

      return padString.slice(0, targetLength) + String(string);
}

export default (n, length = 2) => padStart(n, length, '0');