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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                ~~~ def check(func): def inner(): print("check ....") func() return inner @check def test(): print("test") test() ~~~ python解釋器執行步驟如下: 1. 將wf函數加載到內存 2. @check, 執行check函數,并將test函數作為參數, 即chech(test) ``` def check(test): def inner(): print("check ....") test() return inner ``` 裝飾器使用場景 ``` 1. 引入日志 2. 函數執行時間統計 3. 執行函數前預備處理 4. 執行函數后清理功能 5. 權限校驗等場景 6. 緩存 ```
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