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Eric
2026-02-09 11:24:51 +08:00
commit f2173a9fa9
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/**
* 存储工具类
* 支持localStorage、sessionStorage和cookie三种存储方式
*/
/**
* 存储工具类
*/
export class Storage {
/**
* 构造函数
* @param storageType 存储类型
* @param prefix 存储前缀,默认'unified_login_'
*/
constructor(storageType = 'localStorage', prefix = 'unified_login_') {
this.storageType = storageType;
this.prefix = prefix;
}
/**
* 设置存储项
* @param key 存储键
* @param value 存储值
* @param options 可选参数cookie存储时使用
*/
set(key, value, options) {
const fullKey = this.prefix + key;
const stringValue = typeof value === 'string' ? value : JSON.stringify(value);
switch (this.storageType) {
case 'localStorage':
this.setLocalStorage(fullKey, stringValue);
break;
case 'sessionStorage':
this.setSessionStorage(fullKey, stringValue);
break;
case 'cookie':
this.setCookie(fullKey, stringValue, options);
break;
}
}
/**
* 获取存储项
* @param key 存储键
* @returns 存储值
*/
get(key) {
const fullKey = this.prefix + key;
let value;
switch (this.storageType) {
case 'localStorage':
value = this.getLocalStorage(fullKey);
break;
case 'sessionStorage':
value = this.getSessionStorage(fullKey);
break;
case 'cookie':
value = this.getCookie(fullKey);
break;
default:
value = null;
}
if (value === null) {
return null;
}
// 尝试解析JSON
try {
return JSON.parse(value);
}
catch (e) {
// 如果不是JSON直接返回字符串
return value;
}
}
/**
* 移除存储项
* @param key 存储键
*/
remove(key) {
const fullKey = this.prefix + key;
switch (this.storageType) {
case 'localStorage':
this.removeLocalStorage(fullKey);
break;
case 'sessionStorage':
this.removeSessionStorage(fullKey);
break;
case 'cookie':
this.removeCookie(fullKey);
break;
}
}
/**
* 清空所有存储项
*/
clear() {
switch (this.storageType) {
case 'localStorage':
this.clearLocalStorage();
break;
case 'sessionStorage':
this.clearSessionStorage();
break;
case 'cookie':
this.clearCookie();
break;
}
}
/**
* 检查存储类型是否可用
* @returns boolean 是否可用
*/
isAvailable() {
try {
switch (this.storageType) {
case 'localStorage':
return this.isLocalStorageAvailable();
case 'sessionStorage':
return this.isSessionStorageAvailable();
case 'cookie':
return typeof document !== 'undefined';
default:
return false;
}
}
catch (e) {
return false;
}
}
// ------------------------ localStorage 操作 ------------------------
/**
* 设置localStorage
*/
setLocalStorage(key, value) {
if (this.isLocalStorageAvailable()) {
localStorage.setItem(key, value);
}
}
/**
* 获取localStorage
*/
getLocalStorage(key) {
if (this.isLocalStorageAvailable()) {
return localStorage.getItem(key);
}
return null;
}
/**
* 移除localStorage
*/
removeLocalStorage(key) {
if (this.isLocalStorageAvailable()) {
localStorage.removeItem(key);
}
}
/**
* 清空localStorage中所有带前缀的项
*/
clearLocalStorage() {
if (this.isLocalStorageAvailable()) {
for (let i = 0; i < localStorage.length; i++) {
const key = localStorage.key(i);
if (key && key.startsWith(this.prefix)) {
localStorage.removeItem(key);
i--; // 索引调整
}
}
}
}
/**
* 检查localStorage是否可用
*/
isLocalStorageAvailable() {
if (typeof localStorage === 'undefined') {
return false;
}
try {
const testKey = '__storage_test__';
localStorage.setItem(testKey, testKey);
localStorage.removeItem(testKey);
return true;
}
catch (e) {
return false;
}
}
// ------------------------ sessionStorage 操作 ------------------------
/**
* 设置sessionStorage
*/
setSessionStorage(key, value) {
if (this.isSessionStorageAvailable()) {
sessionStorage.setItem(key, value);
}
}
/**
* 获取sessionStorage
*/
getSessionStorage(key) {
if (this.isSessionStorageAvailable()) {
return sessionStorage.getItem(key);
}
return null;
}
/**
* 移除sessionStorage
*/
removeSessionStorage(key) {
if (this.isSessionStorageAvailable()) {
sessionStorage.removeItem(key);
}
}
/**
* 清空sessionStorage中所有带前缀的项
*/
clearSessionStorage() {
if (this.isSessionStorageAvailable()) {
for (let i = 0; i < sessionStorage.length; i++) {
const key = sessionStorage.key(i);
if (key && key.startsWith(this.prefix)) {
sessionStorage.removeItem(key);
i--; // 索引调整
}
}
}
}
/**
* 检查sessionStorage是否可用
*/
isSessionStorageAvailable() {
if (typeof sessionStorage === 'undefined') {
return false;
}
try {
const testKey = '__storage_test__';
sessionStorage.setItem(testKey, testKey);
sessionStorage.removeItem(testKey);
return true;
}
catch (e) {
return false;
}
}
// ------------------------ cookie 操作 ------------------------
/**
* 设置cookie
*/
setCookie(key, value, options) {
if (typeof document === 'undefined') {
return;
}
let cookieString = `${key}=${encodeURIComponent(value)}`;
if (options) {
// 设置过期时间(秒)
if (options.expires) {
const date = new Date();
date.setTime(date.getTime() + options.expires * 1000);
cookieString += `; expires=${date.toUTCString()}`;
}
// 设置路径
if (options.path) {
cookieString += `; path=${options.path}`;
}
// 设置域名
if (options.domain) {
cookieString += `; domain=${options.domain}`;
}
// 设置secure
if (options.secure) {
cookieString += '; secure';
}
}
document.cookie = cookieString;
}
/**
* 获取cookie
*/
getCookie(key) {
if (typeof document === 'undefined') {
return null;
}
const name = `${key}=`;
const decodedCookie = decodeURIComponent(document.cookie);
const ca = decodedCookie.split(';');
for (let i = 0; i < ca.length; i++) {
let c = ca[i];
while (c.charAt(0) === ' ') {
c = c.substring(1);
}
if (c.indexOf(name) === 0) {
return c.substring(name.length, c.length);
}
}
return null;
}
/**
* 移除cookie
*/
removeCookie(key) {
this.setCookie(key, '', { expires: -1 });
}
/**
* 清空所有带前缀的cookie
*/
clearCookie() {
if (typeof document === 'undefined') {
return;
}
const cookies = document.cookie.split(';');
for (const cookie of cookies) {
const eqPos = cookie.indexOf('=');
const key = eqPos > -1 ? cookie.substr(0, eqPos).trim() : cookie.trim();
if (key.startsWith(this.prefix)) {
this.removeCookie(key);
}
}
}
}
//# sourceMappingURL=storage.js.map