ValueError: The view webapp.views.xxxxxx didn't return an HttpResponse object. It returned None inst

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错误类型： 

Internal Server Error: /report/add_work_history/
Traceback (most recent call last):File "D:\language\Python\Python36\lib\site-packages\django\core\handlers\exception.py", line 34, in innerresponse = get_response(request)File "D:\language\Python\Python36\lib\site-packages\django\core\handlers\base.py", line 126, in _get_response"returned None instead." % (callback.__module__, view_name)
ValueError: The view webapp.views.add_work_history didn't return an HttpResponse object. It returned None instead.
[ERROR][2019-06-27 16:30:03,262][log.py:228]Internal Server Error: /report/add_work_history/
Traceback (most recent call last):File "D:\language\Python\Python36\lib\site-packages\django\core\handlers\exception.py", line 34, in innerresponse = get_response(request)File "D:\language\Python\Python36\lib\site-packages\django\core\handlers\base.py", line 126, in _get_response"returned None instead." % (callback.__module__, view_name)
ValueError: The view webapp.views.add_work_history didn't return an HttpResponse object. It returned None instead.
[27/Jun/2019 16:30:03] "POST /report/add_work_history/ HTTP/1.1" 500 17766

解决方案（一）提示：

 忘记加上  return 了

def add_work_history(request):"""添加工作经验:param request::return:"""return report.add_work_history(request)

 

教训：

一定要细心，每个流程都要按照固定的格式去走，因为编程思想是自由的，但是语法和格式是死的，死的，死的！！！ 

解决方案（二）提示：

检查各方法是否忘记加 return 后面的方法名了？

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