普通Form表单的提交
<!...request, "index.html", {"form": form})
return render(request, "index.html", {"form": form})
其他常用Form表单...UserForm(Form):
username = fields.CharField(
label = "账号: ", # 给表单加一个标签...required = True, # 不允许字段为空值
min_length=4, # 设置最小长度
max_length...= 10, # 设置最大长度
validators=[ RegexValidator(r'^[0-9a-zA-Z]+$',"用户账号只能使用,0-9a-z") ],