button的type属性引起的错误 AttributeError: 'NoneType' object has no attribute 'split'
最初button的写法：
<button type="submit" class="btn btn-primary" onclick="save()">保存</button>
点击button进行更新数据库数据时，提示错误：AttributeError: 'NoneType' object has no attribute 'split'
Exception happened during processing of request from ('127.0.0.1', 59965)
Traceback (most recent call last):
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 138, in run
self.finish_response()
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 180, in finish_response
self.write(data)
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 274, in write
self.send_headers()
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 332, in send_headers
self.send_preamble()
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 255, in send_preamble
('Date: %s
' % format_date_time(time.time())).encode('iso-8859-1')
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 453, in _write
result = self.stdout.write(data)
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libsocketserver.py", line 796, in write
self._sock.sendall(b)
ConnectionAbortedError: [WinError 10053] 確立された接続がホスト コンピューターのソウトウェアによって中止されました。
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 141, in run
self.handle_error()
File "E:ApiFreevenvlibsite-packagesdjangocoreserversasehttp.py", line 119, in handle_error
super().handle_error()
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 368, in handle_error
self.finish_response()
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 180, in finish_response
self.write(data)
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 274, in write
self.send_headers()
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 331, in send_headers
if not self.origin_server or self.client_is_modern():
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 344, in client_is_modern
return self.environ['SERVER_PROTOCOL'].upper() != 'HTTP/0.9'
TypeError: 'NoneType' object is not subscriptable
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libsocketserver.py", line 647, in process_request_thread
self.finish_request(request, client_address)
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libsocketserver.py", line 357, in finish_request
self.RequestHandlerClass(request, client_address, self)
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libsocketserver.py", line 717, in __init__
self.handle()
File "E:ApiFreevenvlibsite-packagesdjangocoreserversasehttp.py", line 174, in handle
self.handle_one_request()
File "E:ApiFreevenvlibsite-packagesdjangocoreserversasehttp.py", line 197, in handle_one_request
handler.run(self.server.get_app())
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 144, in run
self.close()
File "E:ApiFreevenvlibsite-packagesdjangocoreserversasehttp.py", line 114, in close
super().close()
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefsimple_server.py", line 35, in close
self.status.split(' ',1)[0], self.bytes_sent
AttributeError: 'NoneType' object has no attribute 'split'
----------------------------------------
[04/Nov/2020 15:36:21] "GET /child/welcome.html// HTTP/1.1" 200 2326
[04/Nov/2020 15:36:21] "GET /static/jquery/jquery-3.5.0.min.js?_=1604471781302 HTTP/1.1" 200 89493
[04/Nov/2020 15:36:23] "GET /project_list/ HTTP/1.1" 200 3272
[04/Nov/2020 15:36:23] "GET /child/project_list.html// HTTP/1.1" 200 8245
[04/Nov/2020 15:36:23] "GET /static/menu/js/jquery-1.11.0.min.js?_=1604471783119 HTTP/1.1" 200 96383
[04/Nov/2020 15:36:23] "GET /static/menu/src/jquery-rvnm.js?_=1604471783120 HTTP/1.1" 200 12475
[04/Nov/2020 15:36:23] "GET /static/bootstrap-4.5.3-dist/js/bootstrap.bundle.js?_=1604471783121 HTTP/1.1" 200 236517
[04/Nov/2020 15:36:23] "GET /static/bootstrap-4.5.3-dist/js/bootstrap.js?_=1604471783122 HTTP/1.1" 200 143686
[04/Nov/2020 15:36:24] "GET /apis/4/ HTTP/1.1" 200 3267
[04/Nov/2020 15:36:24] "GET /child/P_apis.html/4/ HTTP/1.1" 200 2042
[04/Nov/2020 15:36:24] "GET /static/menu/js/jquery-1.11.0.min.js?_=1604471784792 HTTP/1.1" 200 96383
[04/Nov/2020 15:36:24] "GET /static/menu/src/jquery-rvnm.js?_=1604471784793 HTTP/1.1" 200 12475
[04/Nov/2020 15:36:24] "GET /static/bootstrap-4.5.3-dist/js/bootstrap.bundle.js?_=1604471784794 HTTP/1.1" 200 236517
[04/Nov/2020 15:36:24] "GET /static/bootstrap-4.5.3-dist/js/bootstrap.js?_=1604471784795 HTTP/1.1" 200 143686
[04/Nov/2020 15:36:26] "GET /project_set/4/ HTTP/1.1" 200 3274
[04/Nov/2020 15:36:26] "GET /child/P_project_set.html/4/ HTTP/1.1" 200 1461
[04/Nov/2020 15:36:28] "GET /project_set/4/? HTTP/1.1" 200 3274
[04/Nov/2020 15:36:28] "GET /save_project_set/4/?name=sdfafasdfasd&remark=2&other_user=2 HTTP/1.1" 200 0
Traceback (most recent call last):
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 138, in run
self.finish_response()
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 180, in finish_response
self.write(data)
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 274, in write
self.send_headers()
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 332, in send_headers
self.send_preamble()
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 255, in send_preamble
('Date: %s
' % format_date_time(time.time())).encode('iso-8859-1')
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 453, in _write
result = self.stdout.write(data)
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libsocketserver.py", line 796, in write
self._sock.sendall(b)
ConnectionAbortedError: [WinError 10053] 確立された接続がホスト コンピューターのソウトウェアによって中止されました。
[04/Nov/2020 15:36:28] "GET /save_project_set/4/?name=sdfafasdfasd&remark=2&other_user=2 HTTP/1.1" 500 59
----------------------------------------
Exception happened during processing of request from ('127.0.0.1', 59966)
Traceback (most recent call last):
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 138, in run
self.finish_response()
[04/Nov/2020 15:36:28] "GET /child/P_project_set.html/4/ HTTP/1.1" 200 1461
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 180, in finish_response
self.write(data)
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 274, in write
self.send_headers()
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 332, in send_headers
self.send_preamble()
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 255, in send_preamble
('Date: %s
' % format_date_time(time.time())).encode('iso-8859-1')
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 453, in _write
result = self.stdout.write(data)
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libsocketserver.py", line 796, in write
self._sock.sendall(b)
ConnectionAbortedError: [WinError 10053] 確立された接続がホスト コンピューターのソウトウェアによって中止されました。
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 141, in run
self.handle_error()
File "E:ApiFreevenvlibsite-packagesdjangocoreserversasehttp.py", line 119, in handle_error
super().handle_error()
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 368, in handle_error
self.finish_response()
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 180, in finish_response
self.write(data)
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 274, in write
self.send_headers()
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 331, in send_headers
if not self.origin_server or self.client_is_modern():
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 344, in client_is_modern
return self.environ['SERVER_PROTOCOL'].upper() != 'HTTP/0.9'
TypeError: 'NoneType' object is not subscriptable
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libsocketserver.py", line 647, in process_request_thread
self.finish_request(request, client_address)
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libsocketserver.py", line 357, in finish_request
self.RequestHandlerClass(request, client_address, self)
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libsocketserver.py", line 717, in __init__
self.handle()
File "E:ApiFreevenvlibsite-packagesdjangocoreserversasehttp.py", line 174, in handle
self.handle_one_request()
File "E:ApiFreevenvlibsite-packagesdjangocoreserversasehttp.py", line 197, in handle_one_request
handler.run(self.server.get_app())
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefhandlers.py", line 144, in run
self.close()
File "E:ApiFreevenvlibsite-packagesdjangocoreserversasehttp.py", line 114, in close
super().close()
File "C:UsersTynamYangAppDataLocalProgramsPythonPython37-32libwsgirefsimple_server.py", line 35, in close
self.status.split(' ',1)[0], self.bytes_sent
AttributeError: 'NoneType' object has no attribute 'split'
----------------------------------------
解决方法，修正button的type：
<button type="button" class="btn btn-primary" onclick="save()">保存</button>
在次操作按钮，数据库更新成功