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# example: urlpatterns = [path (route, view, Kwargs=none, Name=none), Re_path (regular expression, views view function, parameter, alias),]# parameter description: # a regular expression String # A Callable object, usually a view function or a string that specifies the path of the view function # Optional default parameter to pass to the View function (dictionary form) # an optional name parameter # example one: # Mysite/mysite/urls.pyfrom Django. URLs import path, re_pathfrom blog Import viewsurlpatterns = [path (' Cur_time ', views.cur_time), Path (' UserInfo ', vi Ews.userinfo), Re_path (R ' ^articles/2003/$ ', views.special_case_2003), Re_path (R ' ^articles/([0-9]{4})/$ ', views.year_archive) Re_path (R ' ^articles/([0-9]{4})/([0-9]{2})/', views.month_archive)]# mysite/blog/views.pydef SPECIAL_CASE_2003 (req): Return HttpResponse (' 2003 ') def year_archive (req, y): # parameter Y receive: ([0-9]{4}) incoming value return H Ttpresponse (' year ': y) def month_archive (req, Y, m): Return HttpResponse (' Year: ' +y+ ' month: ' +m ') # parameter Y receive: ([0-9]{4}) Incoming value, m receive ([0-9]{2}) # example two: Named groups# preliminary knowledge: Regular expression Import Reret = Re.search (' (? P<ID>\D{3})/(? P<name>\w{3}) ', ' wwwwwfffttt555/ooo ') print (Ret.group ()) # Output: 555/oooprint (ret.group (' id ')) # output: 555print (Ret.group (' name ')) # output: ooo# mysite/mysite/urls.pyfrom Django.urls import path, re_pathfrom blog Import viewsurlpatterns = [Re_path (R ' ^articles/(? P<YEAR>[0-9]{4})/(? P<MONTH>[0-9]{2})/', views.month_archive)]# mysite/blog/views.pydef month_archive (req, year, month): # here The parameter must be year,month return HttpResponse (' Year: ' +year+ ' month: ' +month ') # example three: # Mysite/mysite/urls.pyfrom Django.urls Impor T path, re_pathfrom blog Import viewsurlpatterns = [Re_path (R ' ^index/(? P<NAME>[0-9]{4})/', Views.index, {' name ': ' Xiaohu '})]# Mysite/blog/views.pydef index (req, name): # Here the parameter must be Name return HttpResponse (name) # parameter {' name ': ' Xiaohu '} overwrites the parameter in the URL # example four: # Mysite/mysite/urls.pyfrom Django.urls Import path, re_pathfrom blog Import viewsurlpatterns = [Re_path (R ' ^index/', Views.index, name= ' book ') # name means URL Alias Re_path (R ' ^/movie/index/', Views.index, name= ' book ')]# Mysite/blog/views.pydef Index (req): If req.method== ' POST ': username=req. Post.get (' username ') pwd=req. Post.get (' pwd ') if username== ' Xiaohu ' and pwd== ' 123 ': return HttpResponse (' Login successful! ') Return render (req, ' login.html ') # mysite/templates/login.html<body> <!--compared to action= '/index/', the URL address is more flexible-- <form action= "{% url ' book '%}" method= "POST" > <input type= "text" name= "username" > <input typ e= "Password" name= "pwd" > <input type= "Submit" value= "Submit" > </form></body># Access Address: http://l Ocalhost:8080/indexhttp://localhost:8080/movie/indexResources
URL of the Django framework
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