const PREFIX = '_sagacloud_admin_store_' const sessionStorage = window.sessionStorage export default { set(key, value, fn) { let _value = null try { _value = JSON.stringify(value) } catch (e) { _value = value } sessionStorage.setItem(PREFIX + key, _value) fn && fn() }, get(key, fn) { if (!key) { return null } if (typeof key === 'object') { throw new Error('key不能是一个对象。') } var _value = sessionStorage.getItem(PREFIX + key) if (_value !== null) { try { return JSON.parse(_value) } catch (e) {} } return _value }, remove(key) { sessionStorage.removeItem(PREFIX + key) } }