utils新建storage.js檔案

1. var dtime = '_deadtime';
2. function put(k, v, t) {
3. wx.setStorageSync(k, v)
4. var seconds = parseInt(t);
5. if (seconds > 0) {
6. var timestamp = Date.parse(new Date());
7. timestamp = timestamp / 1000 + seconds;
8. wx.setStorageSync(k + dtime, timestamp + "")
9. } else {
10. wx.removeStorageSync(k + dtime)
11. }
12. }
14. function get(k, def) {
15. var deadtime = parseInt(wx.getStorageSync(k + dtime))
16. if (deadtime) {
17. if (parseInt(deadtime) < Date.parse(new Date()) / 1000) {
18. if (def) { return def; } else { return; }
19. }
20. }
21. var res = wx.getStorageSync(k);
22. if (res) {
23. return res;
24. } else {
25. return def;
26. }
27. }
29. function remove(k) {
30. wx.removeStorageSync(k);
31. wx.removeStorageSync(k + dtime);
32. }
34. function clear() {
35. wx.clearStorageSync();
36. }
38. module.exports = {
39. put: put,
40. get: get,
41. remove: remove,
42. clear: clear,
43. }

js引用

let util = require('../../utils/storage.js');

使用方法：

1. 設定快取：util.put('key','value',604800) 表示設定快取失效時間為一週；
3. 獲取快取：util.get('key')
5. 清除快取：util.remove('key')
7. 清除所有快取：util.clear() https://blog.csdn.net/weixin_44694538/article/details/103728983