mm-utils/src/storage.js

mm-utils,JavaScript工具包,日常开发工作常用的公共函数库

// 缓存相关处理库
import Cookies from "js-cookie";

/**
 * localStorage存值
 * @method setStorage
 * @param {string} key - 存储键值
 * @param {any} value - 存储内容
 * @param {number} expire - 设定过期时间/s
 * @returns {string}
 */
function setStorage(key, value, expire = 100 * 365 * 24 * 60 * 60 * 1000) {
  let valueDate = JSON.stringify({
    val: value,
    expire: Date.now() + expire,
  });
  window.localStorage.setItem(key, valueDate);
}

/**
 * localStorage取值
 * @method getStorage
 * @param {string} key - 存储键值
 * @returns {any}
 */
function getStorage(key) {
  let val = window.localStorage.getItem(key);
  if (val) {
    val = JSON.parse(val);
    if (val.expire - Date.now() < 0) {
      window.localStorage.removeItem(key);
      return "数据已过期";
    } else {
      return val.val;
    }
  } else {
    return null
  }
}

/**
 * 删除localStorage值
 * @method removeStorage
 * @param {string} key - 存储键值
 * @param {string} value - 移除键值
 * @returns {string}
 */
function removeStorage(key) {
  let item = window.localStorage.getItem(key);
  if (item) {
    window.localStorage.removeItem(key);
  } else {
    return null;
  }
}

/**
 * 清除所有localStorage存值
 * @method clearStorage
 * @returns {void}
 */
function clearStorage() {
  window.localStorage.clear();
  return "数据已清空";
}

/**
 * sessionStorage存值
 * @method setSession
 * @param {string} key - 存储键值
 * @param {any} value - 存储内容
 * @param {number} expire - 设定过期时间/s
 * @returns {string}
 */

function setSession(key, value, expire = 100 * 365 * 24 * 60 * 60 * 1000) {
  let valueDate = JSON.stringify({
    val: value,
    expire: Date.now() + expire,
  });
  window.sessionStorage.setItem(key, valueDate);
}

/**
 * sessionStorage取值
 * @method getSession
 * @param {string} key - 存储键值
 * @returns {any}
 */

function getSession(key) {
  let val = window.sessionStorage.getItem(key);
  if (val) {
    val = JSON.parse(val);
    if (val.expire - Date.now() < 0) {
      window.sessionStorage.removeItem(key);
      return "数据已过期";
    } else {
      return val.val;
    }
  } else {
    return null;
  }
}

/**
 * 删除sessionStorage值
 * @method removeSession
 * @param {string} key - 存储键值
 * @returns {any}
 */
function removeSession(key) {
  let item = window.sessionStorage.getItem(key);
  if (item) {
    window.sessionStorage.removeItem(key);
  } else {
    return null;
  }
}

/**
 * 清除所有sessionStorage存值
 * @method clearSession
 * @returns {void}
 */
function clearSession() {
  window.sessionStorage.clear();
  return "数据已清空";
}

/**
 * cookie存值
 * @method setCookie
 * @param {string} key - 存储键值
 * @param {any} value - 存储内容
 * @param {any} expire - 过期时间/s
 * @returns {string}
 */
function setCookie(key, value, expire = 100 * 365 * 24 * 60 * 60 * 1000) {
  let valueDate = JSON.stringify({
    val: value,
    expire: Date.now() + expire,
  });
  Cookies.set(key, valueDate);
}

/**
 * cookie取值
 * @method getCookie
 * @param {string} key - 存储键值
 * @returns {any}
 */
function getCookie(key) {
  let val = Cookies.get(key);
  if (val) {
    val = JSON.parse(val);
    if (val.expire - Date.now() < 0) {
      Cookies.remove(key);
      return "数据已过期";
    }else {
      return val.val;
    }
  } else {
    return null;
  }
}

/**
 * 删除cookie值
 * @method removeCookie
 * @param {string} key - 存储键值
 * @returns {any}
 */
function removeCookie(key) {
  let item = Cookies.get(key);
  if (item) {
    Cookies.remove(key);
  } else {
    return null;
  }
}

/**
 * 清除所有cookie存值
 * @method clearCookie
 * @returns {void}
 */
function clearCookie() {
  Cookies.get(" ", " ", -1); //把存储时间设为过期时间自动清除Cookie
  return "数据已清空";
}

export default {
  setStorage,
  getStorage,
  removeStorage,
  clearStorage,
  setSession,
  getSession,
  removeSession,
  clearSession,
  setCookie,
  getCookie,
  removeCookie,
  clearCookie,
};