For a single instance: Description of the registered user.
Model: models. py
class UserInfo(models.Model): name=models.CharField(max_length=32) pwd=models.CharField(max_length=32) email=models.EmailField() tel=models.CharField(max_length=32)
Template: register.html:
<! Doctype HTML> <HTML lang = "en">View function: Register
# Forms component from Django. forms import widgetswid_01 = widgets. textinput (attrs = {"class": "form-control"}) wid_02 = widgets. passwordinput (attrs = {"class": "form-control"}) Class userform (forms. form): name = forms. charfield (max_length = 32, widget = wid_01) Pwd = forms. charfield (max_length = 32, widget = wid_02) r_pwd = forms. charfield (max_length = 32, widget = wid_02) email = forms. emailfield (widget = wid_01) Tel = forms. charfield (max_length = 32, widget = wid_01) def register (request): If request. method = "Post": form = userform (request. post) If form. is_valid (): Print (form. cleaned_data) # All clean fields and their corresponding values else: Print (form. cleaned_data) # print (form. errors) # errordict: {"fields with Incorrect verification": ["error message",]} print (form. errors. get ("name") # errorlist ["error message",] Return httpresponse ("OK") form = userform () return render (request, "register.html ", locals ())Rendering tag function Rendering Method 1<! Doctype HTML> <HTML lang = "en"> Rendering Method 2<form action="" method="post"> {% csrf_token %} {% for field in form %} <div> <label for="">{{ field.label }}</label> {{ field }} </div> {% endfor %} <input type="submit" class="btn btn-default pull-right"> </form>Rendering Method 3<form action="" method="post"> {% csrf_token %} {{ form.as_p }} <input type="submit" class="btn btn-default pull-right"></form>Display Error and reset input information function viewDef register (request): If request. method = "Post": form = userform (request. post) If form. is_valid (): Print (form. cleaned_data) # All clean fields and their corresponding values else: Print (form. cleaned_data) # print (form. errors) # errordict: {"fields with Incorrect verification": ["error message",]} print (form. errors. get ("name") # errorlist ["error message",] Return render (request, "register.html", locals () form = userform () return render (request, "register.html", locals ())Template<form action="" method="post" novalidate> {% csrf_token %} {% for field in form %} <div> <label for="">{{ field.label }}</label> {{ field }} <span class="pull-right" style="color: red">{{ field.errors.0 }}</span> </div> {% endfor %} <input type="submit" class="btn btn-default"></form>Local hooks and global hooks# Forms component from Django. forms import widgetswid_01 = widgets. textinput (attrs = {"class": "form-control"}) wid_02 = widgets. passwordinput (attrs = {"class": "form-control"}) from Django. core. exceptions import validationerrorclass userform (forms. form): name = forms. charfield (max_length = 32, widget = wid_01) Pwd = forms. charfield (max_length = 32, widget = wid_02) r_pwd = forms. charfield (max_length = 32, widget = wid_02) email = forms. em Ailfield (widget = wid_01) Tel = forms. charfield (max_length = 32, widget = wid_01) # partial hook def clean_name (Self): val = self. cleaned_data.get ("name") if not Val. isdigit (): Return Val else: Raise validationerror ("the user name cannot be a pure number! ") # Global hook def clean (Self): Pwd = self. cleaned_data.get ("PWD") r_pwd = self. cleaned_data.get ("r_pwd") if Pwd = r_pwd: return self. cleaned_data else: Raise validationerror ('the two passwords are inconsistent! ') Def register (request): If request. method = "Post": form = userform (request. post) If form. is_valid (): Print (form. cleaned_data) # All clean fields and their corresponding values else: clean_error = form. errors. get ("_ all __")View
Return render (request, "register.html", locals () form = userform () return render (request, "register.html", locals ())<form action="" method="post" novalidate> {% csrf_token %} {% for field in form %} <div> <label for="">{{ field.label }}</label> {{ field }} <span class="pull-right" style="color: red"> {% if field.label == ‘R pwd‘ %} <span>{{ clean_error.0 }}</span> {% endif %} {{ field.errors.0 }} </span> </div> {% endfor %} <input type="submit" class="btn btn-default"></form>Django component forms
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