huiliao-app/rn-wechat/app/utils/StorageUtil.js

import {AsyncStorage} from 'react-native';

export default class StorageUtil {
  /**
   * 获取
   * @param key
   * @returns {Promise<T>|*|Promise.<TResult>}
   */
  static get(key, callback) {
    AsyncStorage.getItem(key, (error, object) => {
      callback(error, JSON.parse(object));
    })
  }


  /**
   * 保存
   * @param key
   * @param value
   * @returns {*}
   */
  static set(key, value, callback) {
    return AsyncStorage.setItem(key, JSON.stringify(value), callback);
  }


  /**
   * 更新
   * @param key
   * @param value
   * @returns {Promise<T>|Promise.<TResult>}
   */
  static update(key, value) {
    StorageUtil.set(key, value);
  }


  /**
   * 删除
   * @param key
   * @returns {*}
   */
  static delete(key) {
    return AsyncStorage.removeItem(key);
  }

  /**
  * 清除所有Storage
  */
  static clear() {
    AsyncStorage.clear();
  }
}