web/composables/index.ts

// 下载
export function downloadFile (url) {
  if (typeof window !== "undefined") {
    const userAgent = navigator.userAgent;
    if (userAgent.indexOf("Android") > -1) {
      window.open(url);
    } else if (
      userAgent.indexOf("iPhone") > -1 ||
      userAgent.indexOf("iPad") > -1 ||
      userAgent.indexOf("iPod") > -1
    ) {
      location.href = url;
    } else {
      window.open(url);
    }
  }
}
// js日期格式化（xxxx年xx月xx日）
export function dateFomat (dateStr: String) {
  var result = "";
  if (dateStr != "") {
    var contractdate = new Date(dateStr);
    var contract_year = contractdate.getFullYear();
    var contract_month = (contractdate.getMonth() + 1) < 10 ? '0' + (contractdate.getMonth() + 1) : (contractdate.getMonth() + 1);
    var contract_day = contractdate.getDate() < 10 ? '0' + contractdate.getDate() : contractdate.getDate();
    result = contract_year + '年' + contract_month + '月' + contract_day + '日';
  }
  return result;
}

// 获取标签中内容
export function getStringContent (html: String, tagName: String) {
  const regex = new RegExp(`<${tagName}.*?>(.*?)</${tagName}>`, 's'); // 's' 允许 . 匹配换行符
  const match = html.match(regex);
  return match ? match[1] : null;
}
export function getCookieLang () {
  let lang = useCookie('i18n_redirected').value;
  return lang
}

/**
 * 日期时间格式化未字符串输出
 * @param {(Date | string)} date
 * @param {string} format
 */
export function formatDate (date: Date | string | number, format: string) {
  if (!date) {
    return "";
  }
  try {
    const value: Date = new Date(date);
    const yyyy = value.getFullYear();
    const M = value.getMonth() + 1;
    const MM =
      value.getMonth() + 1 >= 10
        ? value.getMonth() + 1
        : "0" + (value.getMonth() + 1);
    const d = value.getDate();
    const dd = value.getDate() >= 10 ? value.getDate() : "0" + value.getDate();
    const H = value.getHours();
    const HH =
      value.getHours() >= 10 ? value.getHours() : "0" + value.getHours();
    const m = value.getMinutes();
    const mm =
      value.getMinutes() >= 10 ? value.getMinutes() : "0" + value.getMinutes();
    const s = value.getSeconds();
    const ss =
      value.getSeconds() >= 10 ? value.getSeconds() : "0" + value.getSeconds();
    if (format === "yyyy") {
      return yyyy;
    } else if (format === "yyyy-MM") {
      return yyyy + "-" + MM;
    } else if (format === "yyyy-M") {
      return yyyy + "-" + M;
    } else if (format === "yyyy-MM-dd") {
      return yyyy + "-" + MM + "-" + dd;
    } else if (format === "yyyy-M-d") {
      return yyyy + "-" + M + "-" + d;
    } else if (format === "HH:mm:ss") {
      return HH + ":" + mm + ":" + ss;
    } else if (format === "H:m:s") {
      return H + ":" + m + ":" + s;
    } else if (format === "HH:mm") {
      return HH + ":" + mm;
    } else if (format === "H:m") {
      return H + ":" + m;
    } else if (format === "yyyy-MM-dd HH:mm") {
      return yyyy + "-" + MM + "-" + dd + " " + HH + ":" + mm;
    } else if (format === "yyyy-MM-dd HH:mm:ss") {
      return yyyy + "-" + MM + "-" + dd + " " + HH + ":" + mm + ":" + ss;
    } else {
      return yyyy + "-" + MM + "-" + dd;
    }
  } catch (error) {
    return "";
  }
}

// js日期格式化（May 10, 2025）
export function formatDateEn (inputDate: any) {
  let options = { year: 'numeric', month: 'long', day: 'numeric' };
  let date = new Date(inputDate);
  return date.toLocaleDateString('en-US', options); // 输出格式：May 10, 2025
}