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82 lines
2.2 KiB
82 lines
2.2 KiB
4 years ago
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/**
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* localStorage
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* @调用：_local.set('access_token', '123456', 5000);
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* @调用：_local.get('access_token');
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*/
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var _local = {
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//存储,可设置过期时间
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set(key, value, expires) {
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let params = { key, value, expires };
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if (expires) {
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// 记录何时将值存入缓存，毫秒级
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var data = Object.assign(params, { startTime: new Date().getTime() });
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localStorage.setItem(key, JSON.stringify(data));
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} else {
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if (Object.prototype.toString.call(value) == '[object Object]') {
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value = JSON.stringify(value);
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}
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if (Object.prototype.toString.call(value) == '[object Array]') {
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value = JSON.stringify(value);
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}
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localStorage.setItem(key, value);
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}
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},
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//取出
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get(key) {
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let item = localStorage.getItem(key);
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// 先将拿到的试着进行json转为对象的形式
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try {
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item = JSON.parse(item);
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} catch (error) {
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// eslint-disable-next-line no-self-assign
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item = item;
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}
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// 如果有startTime的值，说明设置了失效时间
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if (item && item.startTime) {
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let date = new Date().getTime();
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// 如果大于就是过期了，如果小于或等于就还没过期
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if (date - item.startTime > item.expires) {
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localStorage.removeItem(name);
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return false;
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} else {
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return item.value;
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}
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} else {
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return item;
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}
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},
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// 删除
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remove(key) {
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localStorage.removeItem(key);
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},
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// 清除全部
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clear() {
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localStorage.clear();
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}
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}
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/**
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* sessionStorage
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*/
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var _session = {
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get: function (key) {
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var data = sessionStorage[key];
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if (!data || data === "null") {
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return null;
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}
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return data;
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},
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set: function (key, value) {
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sessionStorage[key] = value;
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},
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// 删除
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remove(key) {
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sessionStorage.removeItem(key);
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},
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// 清除全部
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clear() {
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sessionStorage.clear();
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}
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}
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export { _local, _session }
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