46 lines
879 B
JavaScript
46 lines
879 B
JavaScript
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const Cache = {
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keyPrev: 'store_',
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//设置缓存(expire为缓存时效)
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set(key, value, expire) {
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let data = {
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expire: expire ? (this.time() + expire) : "",
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value
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}
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if (typeof data === 'object')
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data = JSON.stringify(data);
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try {
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uni.setStorageSync(this.getKey(key), data)
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} catch (e) {
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return false;
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}
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},
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get(key) {
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try {
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let data = uni.getStorageSync(this.getKey(key))
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const {value, expire} = JSON.parse(data)
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if(expire && expire < this.time()) {
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uni.removeStorageSync(this.getKey(key))
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return false;
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}else {
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return value
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}
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} catch (e) {
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return false;
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}
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},
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//获取当前时间
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time() {
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return Math.round(new Date() / 1000);
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},
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remove(key) {
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if(key) uni.removeStorageSync(this.getKey(key))
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},
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getKey(key) {
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return this.keyPrev + key
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}
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}
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export default Cache;
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