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                # 102 Flask內置的信號講解 * template\_rendered:模板渲染完畢后的信號 ```text def template_rendered_func(sender,template,context): print("sender:{}".format(sender)) print("template:{}".format(template)) print("context:{}".format(context)) template_rendered.connect(template_rendered_func) ``` * request\_started:模板開始渲染 * request\_finished:模板完成渲染 * request\_tearing\_down:request對象被銷毀的信號 * got\_request\_exception:視圖函數發生異常的信號,一般可以監聽這個信號,來記錄網站異常信號 ```text def request_exception_log(sender,exception): print(exception) got_request_exception.connect(request_exception_log) ``` * appcontext\_tearing\_down:app上下文被銷毀的信號 * appcontext\_pushed:app上下文被推入到棧上的信號 * appcontext\_poped:app上下文被退出棧中的信號 * message\_flashed:調用了Flask的‘flashed’方法的信號
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