likeshop/uniapp/utils/cache.js

41 lines
732 B
JavaScript

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