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                >[success] # 將只有一個方法的類轉化成函數 ~~~ 1.當創建的類只有一個方法,可以利用閉包,把這個類轉化成方法 ~~~ >[danger] ##### 案例說明 ~~~ 1.任何時候只要你碰到需要給某個函數增加額外的狀態信息的問題,都可以考慮使用閉包。相比將你的函數轉換成一個類而 言,閉包通常是一種更加簡潔和優雅的方案。 ~~~ ~~~ import requests class UrlTemplate: def __init__(self, request,url): self.url = url self.request =request def response(self): resopnse = self.request.get(self.url) return resopnse.text r = UrlTemplate(requests,'http://www.baidu.com') print(r.response()) # 利用閉包 def UrlTemplate(request): def response(url): return request.get(url).text return response print(UrlTemplate(requests)('http://www.baidu.com')) ~~~
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