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                ThinkChat2.0新版上線,更智能更精彩,支持會話、畫圖、視頻、閱讀、搜索等,送10W Token,即刻開啟你的AI之旅 廣告
                緩存數據與數據取得的問題 **# wx.setStorage(OBJECT)**# 將數據存儲在本地緩存中指定的 key 中,會覆蓋掉原來該 key 對應的內容,這是一個異步接口。 ![](https://box.kancloud.cn/c3a570edcb53a4613d2ec7f523121a70_1050x162.png) ~~~ product.getSlides(function (result) { var data = result.data console.log("首頁banner的接口數據", data); for (var i = 0; i < data.length; i++) { if (data[i].parent_id == 0) { index[s] = data[i] s++ } } that.setData({ 'item': index }) wx.setStorage({ key: "indexSlides", data: data }) ~~~ 如果想取出緩存中的數據來用,可用 wx.getStorageSync('indexSlides') 方法 `寫法一: var value = wx.getStorageSync('indexSlides')` 寫法二:try { wx.setStorageSync('key', 'value') } catch (e) { } ~~~ **wx.getStorageSync(KEY)**# 從本地緩存中同步獲取指定 key 對應的內容 ~~~ try { var value = wx.getStorageSync('key') if (value) { // Do something with return value } } catch (e) { // Do something when catch error } ~~~ **wx.setStorageSync(KEY,DATA)**# 將 data 存儲在本地緩存中指定的 key 中,會覆蓋掉原來該 key 對應的內容,這是一個同步接口。 ~~~ try { wx.setStorageSync('key', 'value') } catch (e) { } ~~~ **wx.getStorage(OBJECT)**# 從本地緩存中異步獲取指定 key 對應的內容。 ~~~ wx.getStorage({ key: 'key', success: function(res) { console.log(res.data) } }) ~~~
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