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https://github.com/ialley-workshop-open/uni-halo.git
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40 lines
827 B
JavaScript
40 lines
827 B
JavaScript
/**
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* 设置缓存
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* @param {缓存key} key
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* @param {需要存储的缓存值} value
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* @param {过期时间，默认0表示永久有效} expire
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*/
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export const setCache = (key, value, expire = 0) => {
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let obj = {
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data: value, //存储的数据
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time: Date.now() / 1000, //记录存储的时间戳
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expire: expire //记录过期时间，单位秒
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}
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uni.setStorageSync(key, JSON.stringify(obj))
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}
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/**
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* 获取缓存
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* @param {缓存key} key
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*/
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export const getCache = (key) => {
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let val = uni.getStorageSync(key)
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if (!val) {
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return null
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}
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val = JSON.parse(val)
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if (val.expire && Date.now() / 1000 - val.time > val.expire) {
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uni.removeStorageSync(key)
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return null
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}
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return val.data
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}
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/**
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* 删除缓存
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* @param {缓存key} key
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*/
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export const delCache = (key) => {
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uni.removeStorageSync(key)
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}
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