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71 lines
1.1 KiB
71 lines
1.1 KiB
/**
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* 缓存操作
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*
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*/
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import config from '@/config'
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/**
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* 获取缓存 key
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*/
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function _key(key) {
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return `${config.prefix}${key}`
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}
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/**
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* 获取缓存时间 key
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*/
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function _expKey(key) {
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return `${config.prefix}${key}_exptime`
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}
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/**
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* 获取缓存
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*
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* key 键名
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* def 为空时默认数据
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*/
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export function get(key, def = null) {
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const value = uni.getStorageSync(_key(key))
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const exptime = Number(uni.getStorageSync(_expKey(key)))
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if (!exptime || exptime > new Date().getTime()) {
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return value || def
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}
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return def
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}
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/**
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* 设置缓存
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*
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* key 键名
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* value 键值
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* sec 缓存时间（秒）
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*/
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export function set(key, value, sec = 0) {
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uni.setStorageSync(_key(key), value)
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if (sec > 0) {
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uni.setStorageSync(_expKey(key), new Date().getTime() + sec * 1000)
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} else {
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uni.removeStorageSync(_expKey(key))
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}
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}
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/**
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* 移除缓存
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*
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* key 键名
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*/
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export function remove(key) {
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uni.removeStorageSync(_key(key))
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uni.removeStorageSync(_expKey(key))
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}
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/**
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* 清空缓存
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*/
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export function clear() {
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uni.clearStorageSync()
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}
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export default { get, set, remove, clear }
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