python_22(Form-CRM）

時間 2019-11-13

標籤 python form crm 欄目 Python 简体版

原文原文鏈接

第1章 CRM
1.1 建項目
1.2 settings
1.3 規範url
1.4 公共的後臺模板
1.5 建立部門表
1.6 建庫移庫
1.7 母版繼承
1.7.1 導入static
1.7.2 導入母版html
1.7.3 繼承語法
第2章部門
2.1 depart_list
2.1.1 列表url
2.1.2 建立函數
2.1.3 建立部門列表html
2.2 depart_add
2.2.1 crm.urls.py
2.2.2 建立MOdelForm
2.2.3 建立函數
2.2.4 建立depart_form.html
2.3 depart_del/depart_edit
2.3.1 結構目錄
第3章用戶（一對多（增長MD5））
3.1 user_list
3.2 user_add
3.3 user_edit/user_del
第4章課程（同部門略）
第5章班級(多對多)
5.1 class_list
5.2 class_add
5.3 class_del/class_edit
第6章分頁及MD5
第7章 ModelForm
7.1 功能
7.2 生成html標籤
7.2.1 fields = '__all__'
7.2.2 fields = ['title']
7.2.3 exclude = ['title']
7.3 instancecss

第1章 CRM

1.1 建項目

python3 manage.py appstart crmhtml

1.2 settings

pytho22.settings.pypython

INSTALLED_APPS = [jquery

'django.contrib.admin',web

'django.contrib.auth',數據庫

'django.contrib.contenttypes',django

'django.contrib.sessions',bootstrap

'django.contrib.messages',session

'django.contrib.staticfiles',app

'crm.apps.CrmConfig',

]

1.3 規範url

python22.crm.urls.py

from django.conf.urls import url,include

from django.contrib import admin

from crm.views import home

urlpatterns = [

url(r'^index/', home.index),

]

python22.urls.py

from django.conf.urls import url,include

from django.contrib import admin

urlpatterns = [

url(r'^admin/', admin.site.urls),

url(r'crm/', include('crm.urls')),

]

crm.views.home.py

from django.shortcuts import render

# Create your views here.

def index(request):

return render(request,'index.html')

crm.templates.index.html

<!DOCTYPE html>

<head>

<title>CRM：index</title>

</head>

<body>

<h1>CRM:index</h1>

</body>

</html>

1.4 公共的後臺模板

模板的查找順序，先找根目錄，再由app註冊的順序查找

1.5 建立部門表

from django.db import models

# Create your models here.

class Department(models.Model):

'''

部門表

'''

title = models.CharField(verbose_name='部門表',max_length=32)

#將返回的object轉換爲字符串

def __str__(self):

return self.title

1.6 建庫移庫

python3 manage.py makemigrations

python3 manage.py migrate

1.7 母版繼承

1.7.1 導入static

1.7.2 導入母版html

{% load staticfiles %}

<!DOCTYPE html>

<head>

<style>

body {

margin: 0;

}

.no-radius {

border-radius: 0;

}

.no-margin {

margin: 0;

}

.pg-body > .left-menu {

background-color: #EAEDF1;

position: absolute;

left: 1px;

top: 48px;

bottom: 0;

width: 220px;

border: 1px solid #EAEDF1;

overflow: auto;

}

.pg-body > .right-body {

position: absolute;

left: 225px;

right: 0;

top: 48px;

bottom: 0;

overflow: scroll;

border: 1px solid #ddd;

border-top: 0;

font-size: 13px;

min-width: 755px;

}

.navbar-right {

float: right !important;

margin-right: -15px;

}

.luffy-container {

padding: 15px;

}

.left-menu .menu-body .static-menu {

}

.left-menu .menu-body .static-menu .icon-wrap {

width: 20px;

display: inline-block;

text-align: center;

}

.left-menu .menu-body .static-menu a {

text-decoration: none;

padding: 8px 15px;

border-bottom: 1px solid #ccc;

color: #333;

display: block;

background: #efefef;

background: -webkit-gradient(linear, left bottom, left top, color-stop(0, #efefef), color-stop(1, #fafafa));

background: -ms-linear-gradient(bottom, #efefef, #fafafa);

background: -o-linear-gradient(bottom, #efefef, #fafafa);

filter: progid:dximagetransform.microsoft.gradient(startColorStr='#e3e3e3', EndColorStr='#ffffff');

-ms-filter: "progid:DXImageTransform.Microsoft.gradient(startColorStr='#fafafa',EndColorStr='#efefef')";

box-shadow: inset 0 1px 1px white;

}

.left-menu .menu-body .static-menu a:hover {

color: #2F72AB;

border-left: 2px solid #2F72AB;

}

.left-menu .menu-body .static-menu a.active {

color: #2F72AB;

border-left: 2px solid #2F72AB;

}

</style>

{% block css %} {% endblock %}

</head>

<body>

</a>

</div>

<a href="#" class="more-item">管他什麼菜單</a>

<a href="#" class="more-item">實在是編不了</a>

</div>

</a>

</div>

消息

</a>

通知

</a>

任務

</a>

</div>

</div>

<div>

</ol>

</div>

{% block content %} {% endblock %}

</div>

{% block js %} {% endblock %}

</body>

</html>

1.7.3 繼承語法

{% extends 'layout.html' %}

{% block content %}

<!DOCTYPE html>

<head>

<title>CRM：index</title>

</head>

<body>

<h1>CRM:index</h1>

</body>

</html>

{% endblock %}

第2章部門

2.1 depart_list

2.1.1 列表url

crm.urls.py

from django.conf.urls import url,include

from django.contrib import admin

from crm.views import home

from crm.views import depart

urlpatterns = [

url(r'^index/', home.index),

url(r'^depart/list/', depart.depart_list)

2.1.2 建立函數

crm.views.depart.py

from django.shortcuts import render

def depart_list(request):

return render(request,'depart_list.html')

2.1.3 建立部門列表html

crm.templates.depart_html

{% extends 'layout.html' %}

{% block content %}

</div>

<thead>

<tr>

</tr>

</thead>

<tbody>

{% for row in depart_queryset %}

<tr>

<td>{{ row.title }}</td>

<td>

</td>

</tr>

{% endfor %}

</tbody>

</table>

</ul>

</nav>

{% endblock %}

2.2 depart_add

2.2.1 crm.urls.py

urlpatterns = [

url(r'^index/$', home.index),

url(r'^depart/list/$', depart.depart_list),

url(r'^depart/add/$', depart.depart_add),

]

2.2.2 建立MOdelForm

crm.forms.depart.py

from crm import models

from django.forms import ModelForm

from django import forms

class DepartModelForm(ModelForm):

class Meta:

model = models.Department

fields = '__all__'

widgets = {

'title': forms.TextInput(attrs={'class':'form-control','placeholder':'部門名稱'})

}

error_messages ={

'title':{

'required':'部門名稱不能爲空'

}

2.2.3 建立函數

crm.views.depart.py

def depart_add(request):

'''

添加部門

:param request:

:return:

'''

#批量建立部門

# for i in range(103):

# title = '部門-%s' %i

# models.Department.objects.create(title=title)

if request.method == 'GET':

form = DepartModelForm()

return render(request,'depart_add.html',{'form':form})

form = DepartModelForm(data=request.POST)

if form.is_valid():

form.save()

return redirect('/crm/depart/list/')

return render(request,'depart_form.html',{'form':form})

2.2.4 建立depart_form.html

crm.templates

{% extends 'layout.html' %}

{% block content %}

{% csrf_token %}

<label class="col-sm-2 control-label">{{ form.title.label }}</label>

<span style="color: red;">{{ form.title.errors.0 }}</span>

</div>

</div>

</form>

{% endblock %}

2.3 depart_del/depart_edit

crm.urls.py

url(r'^depart/edit/(\d+)/$', depart.depart_edit),

url(r'^depart/del/(\d+)/$', depart.depart_del),

crm.views.depart.py

def depart_edit(request,nid):

'''

編輯

:param request:

:return:

'''

obj = models.Department.objects.filter(id=nid).first()

if request.method == 'GET':

form = DepartModelForm(instance=obj)

return render(request,'depart_form.html',{'form':form})

form = DepartModelForm(data=request.POST,instance=obj)

if form.is_valid():

form.save()

return redirect('/crm/depart/list/')

return render(request,'depart_form.html',{'form':form})

@login_required

def depart_del(request,nid):

models.Department.objects.filter(id=nid).delete()

return redirect('/crm/depart/list')

2.3.1 結構目錄

第3章用戶（一對多（增長MD5））

3.1 user_list

crm.models.py

class UserInfo(models.Model):

"""

員工表

"""

username = models.CharField(verbose_name='用戶名',max_length=32)

password = models.CharField(verbose_name='密碼',max_length=64)

email = models.EmailField(verbose_name='郵箱',max_length=128)

gender_choices = (

(1,'男'),

(2,'女'),

)

gender = models.IntegerField(verbose_name='性別',choices=gender_choices)

depart = models.ForeignKey(verbose_name='所在部門',to='Department')

def __str__(self):

return self.username

crm.urls.py

url(r'^user/list/$', user.user_list),

crm.views.user.py

from crm.forms.user import UserModelForm

from crm import models

from basic.pager import Pagination

from crm.views.login import login_required

from basic.md5_mode import md5

@login_required

def user_list(request):

'''

用戶列表

:param request:

:return:

'''

page = request.GET.get('page', 1) # 要查看的頁碼

total_count = models.UserInfo.objects.all().count() # 數據庫中數據總條數

pager = Pagination(page, total_count, '/crm/user/list/')

user_queryset = models.UserInfo.objects.all()[pager.start:pager.end]

return render(request, 'user_list.html', {'user_queryset': user_queryset, 'pager': pager})

crm.templates.user_list.html

{% extends 'layout.html' %}

{% block content %}

</div>

<thead>

<tr>

</tr>

</thead>

<tbody>

{% for row in user_queryset %}

<tr>

<td>{{ row.username }}</td>

<td>{{ row.password }}</td>

<td>{{ row.email }}</td>

{#性別選擇，數據庫中寫好的選擇方式，可直接由django調用#}

<td>{{ row.get_gender_display }}</td>

{#針對多表#}

<td>{{ row.depart.title }}</td>

<td>

</td>

</tr>

{% endfor %}

</tbody>

</table>

</ul>

</nav>

{% endblock %}

3.2 user_add

crm.urls.py

url(r'^user/add/$', user.user_add),

crm.forms.user.py

from django import forms

from crm import models

class UserModelForm(forms.ModelForm):

class Meta:

model = models.UserInfo

fields = '__all__'

widgets = {

'username': forms.TextInput(attrs={'class':'form-control','placeholder':'用戶名'}),

'password': forms.TextInput(attrs={'class':'form-control','placeholder':'密碼'}),

'email': forms.EmailInput(attrs={'class':'form-control','placeholder':'郵箱'}),

'gender': forms.Select(attrs={'class':'form-control'}),

'depart': forms.Select(attrs={'class':'form-control'}),

}

error_messages ={

'email':{

'required':'郵箱地址不能爲空',

'invalid':'郵箱的格式錯誤',

'username':{

'required':'用戶名稱不能爲空',

# 'invalid':'郵箱的格式錯誤',

'password':{

'required':'密碼稱不能爲空',

# 'invalid':'郵箱的格式錯誤',

'gender': {

'required': '親選擇你的性別',

# 'invalid':'郵箱的格式錯誤',

'depart': {

'required': '請選擇一個部門',

# 'invalid':'郵箱的格式錯誤',

}

crm.views.user.py

def user_add(request):

'''

增長用戶

:param request:

:return:

'''

if request.method == 'GET':

form = UserModelForm()

return render(request,'user_form.html',{'form':form})

form = UserModelForm(data=request.POST)

if form.is_valid():

username = form.cleaned_data['username']

pwd = form.cleaned_data['password']

email = form.cleaned_data['email']

gender = form.cleaned_data['gender']

depart = form.cleaned_data['depart']

md5pwd = md5(username,pwd)

models.UserInfo.objects.get_or_create(password=md5pwd,username=username,email=email,gender=gender,depart=depart)

# form.save()

return redirect('/crm/user/list')

return render(request,'user_form.html',{'form':form})

crm.templates.user_form.html

{% extends 'layout.html' %}

{% block content %}

{% csrf_token %}

{% for field in form %}

<label class="col-sm-2 control-label">{{ field.label }}</label>

<span style="color: red;">{{ field.errors.0 }}</span>

</div>

{% endfor %}

</div>

</form>

{% endblock %}

3.3 user_edit/user_del

def user_edit(request,nid):

obj = models.UserInfo.objects.filter(id=nid).first()

if request.method== 'GET':

form = UserModelForm(instance=obj)

return render(request,'user_form.html',{'form':form})

form = UserModelForm(data=request.POST,instance=obj)

if form.is_valid():

form.save()

return redirect('/crm/user/list/')

return render(request,'user_form.html',{'form':form})

def user_del(request,nid):

models.UserInfo.objects.filter(id=nid).delete()

return redirect('/crm/user/list/')

第4章課程（同部門略）

第5章班級(多對多)

5.1 class_list

crm.models.py

class ClassList(models.Model):

"""

班級表

"""

course = models.ForeignKey(verbose_name='課程', to='Course')

num = models.IntegerField(verbose_name='期')

teachers = models.ManyToManyField(verbose_name='老師', to='UserInfo')

def __str__(self):

return self.course

crm.urls.py

url(r'^class/list/$', class_list.class_list),

crm.views.class_list.py

from django.shortcuts import render,redirect

from crm.forms.class_list import ClassModelForm

from crm import models

from basic.pager import Pagination

from crm.views.login import login_required

@login_required

def class_list(request):

'''

課程列表

:param request:

:return:

'''

page = request.GET.get('page', 1) # 要查看的頁碼

total_count = models.ClassList.objects.all().count() # 數據庫中數據總條數

pager = Pagination(page, total_count, '/crm/class/list/')

class_queryset = models.ClassList.objects.values('id','course__title','num','teachers__username')[pager.start:pager.end]

return render(request, 'class_list.html', {'class_queryset': class_queryset, 'pager': pager})

crm.templates.class_list.html

{% extends 'layout.html' %}

{% block content %}

</div>

<thead>

<tr>

</tr>

</thead>

<tbody>

{% for row in class_queryset %}

<tr>

<td>{{ row.course__title}}</td>

<td>{{ row.teachers__username}}</td>

<td>

</td>

</tr>

{% endfor %}

</tbody>

</table>

</ul>

</nav>

{% endblock %}

5.2 class_add

crm.urls.py

url(r'^class/add/$', class_list.class_add),

crm.views.class_list.py

def class_add(request):

'''

增長班級

:param request:

:return:

'''

if request.method == 'GET':

form = ClassModelForm()

return render(request,'class_form.html',{'form':form})

form = ClassModelForm(data=request.POST)

if form.is_valid():

form.save()

return redirect('/crm/class/list')

return render(request,'class_form.html',{'form':form})

crm.templates.class_form.html

{% extends 'layout.html' %}

{% block content %}

{% csrf_token %}

{% for field in form %}

<label class="col-sm-2 control-label">{{ field.label }}</label>

<span style="color: red;">{{ field.errors.0 }}</span>

</div>

{% endfor %}

</div>

</form>

{% endblock %}

crom.forms.class_list.py

from django import forms

from crm import models

class ClassModelForm(forms.ModelForm):

class Meta:

model = models.ClassList

fields = '__all__'

widgets = {

'course': forms.Select(attrs={'class':'form-control'}),

'num': forms.TextInput(attrs={'class':'form-control','placeholder':'期數'}),

'teachers': forms.SelectMultiple(attrs={'class':'form-control'}),

}

error_messages ={

'course':{

'required':'請至少選擇一個課程',

'num':{

'required':'期數名稱不能爲空',

'teachers':{

'required':'請至少選擇一名導師',

'gender': {

'required': '親選擇你的性別',

# 'invalid':'郵箱的格式錯誤',

'depart': {

'required': '請選擇一個部門',

# 'invalid':'郵箱的格式錯誤',

}

5.3 class_del/class_edit

urls.py

url(r'^class/edit/(\d+)/$', class_list.class_edit),
url(r'^class/add/(\d+)/$', class_list.class_del),

views.class.py

def class_edit(request,nid):

obj = models.ClassList.objects.filter(id=nid).first()

if request.method== 'GET':

form = ClassModelForm(instance=obj)

return render(request,'class_form.html',{'form':form})

form = ClassModelForm(data=request.POST,instance=obj)

if form.is_valid():

form.save()

return redirect('/crm/class/list/')

return render(request,'class_form.html',{'form':form})

def class_del(request,nid):

models.ClassList.objects.filter(id=nid).delete()

return redirect('/crm/class/list/')

第6章分頁及MD5

python22.basic.md5.py

import hashlib

#MD5加密

def md5(username,password):

'''

動態用戶名加鹽

:param username:

:param password:

:return:

使用方法：md5(username,password)

'''

md5_pwd = hashlib.md5(username.encode("utf-8"))

md5_pwd.update(password.encode('utf-8'))

#返回加密數據

return md5_pwd.hexdigest()

python22.pager.py

"""

使用文檔：

1. 獲取兩個數據給Pagination

- 數據庫的數據總數據量

- 當前要訪問的頁碼

例如：

page = request.GET.get('page', 1) # 要查看的頁碼

total_count = models.Department.objects.all().count() # 數據庫中數據總條數

pager = Pagination(page,total_count,'/crm/depart/list/')

2. Pagination對象有兩個功能

- 計算數據切片索引

例如：

depart_queryset = models.Department.objects.all()[pager.start :pager.end]

- 生成頁碼HTMl

例如：在頁面中使用

</ul>

"""

class Pagination(object):

"""

分頁相關

"""

def __init__(self,page,total_count,url, per_page_count=10,max_page_num=11):

"""

:param page: 當前頁

:param total_count: 數據庫中數據總條數

:param url: 路徑

:param per_page_count: 頁面顯示的數據條數

:param max_page_num: 最多顯示的頁碼數量

"""

try:

page = int(page)

except Exception as e:

page =1

if page <1:

page = 1

self.page = page

self.total_count = total_count

self.url = url

self.per_page_count = per_page_count

self.max_page_num = max_page_num

self.half_max_page_num = int(max_page_num / 2)

self.total_page_num, x = divmod(total_count, per_page_count)

if x > 0:

self.total_page_num += 1

@property

def start(self):

return (self.page-1) * self.per_page_count

@property

def end(self):

return self.page * self.per_page_count

def page_html(self):

# 若是數據庫中的數據最多總共能到11條 10,9,0 < max_page_num

if self.total_page_num <= self.max_page_num:

page_start = 1

page_end = self.total_page_num + 1

else:

# 若是當前訪問的頁碼： 1,2,3,4,5

if self.page <=self.half_max_page_num:

page_start = 1

page_end = self.max_page_num + 1

else:

# 若是當前頁+5 > 總頁碼

if self.page + self.half_max_page_num > self.total_page_num:

page_start = self.total_page_num - self.max_page_num + 1

page_end = self.total_page_num + 1

else:

page_start = self.page - self.half_max_page_num

page_end = self.page + self.half_max_page_num + 1

pager_list = []

# 上一頁

if self.page > 1:

prev = '<li><a href="%s?page=%s">上一頁</a></li>' % (self.url,self.page - 1,)

pager_list.append(prev)

for i in range(page_start, page_end): # 應該顯示必定範圍的頁碼

if i == self.page:

temp = '<li class="active"><a href="%s?page=%s">%s</a></li>' % (self.url,i, i,)

else:

temp = '<li><a href="%s?page=%s">%s</a></li>' % (self.url,i, i,)

pager_list.append(temp)

# 下一頁

if self.page < self.total_page_num:

nex = '<li><a href="%s?page=%s">下一頁</a></li>' % (self.url,self.page + 1,)

pager_list.append(nex)

return "".join(pager_list)

第7章 ModelForm

7.1 功能

l 生成用戶提交請求的html標籤

l 提供用戶提交請求校驗方式

7.2 生成html標籤

crm.forms.depart.py

from crm import models

from django.forms import ModelForm

from django import forms

class DepartModelForm(ModelForm):

#固定寫法

class Meta:

model = models.Department

#將數據庫的值拿出來一個個進行對比校驗

fields = '__all__'

#生成請求標籤

widgets = {

'title': forms.TextInput(attrs={'class':'form-control','placeholder':'部門名稱'})

}

error_messages ={

'title':{

'required':'部門名稱不能爲空'

}

html中的取值

7.2.1 fields = 'all'

解釋：所有進行比對校驗

7.2.2 fields = ['title']

解釋：只數據庫中的title,進行對比

7.2.3 exclude = ['title']

解釋：只對數據庫中的title,進行排除

7.3 instance

攜帶默認值，數據庫值出入form

def depart_edit(request,nid):

'''

編輯

:param request:

:return:

'''

obj = models.Department.objects.filter(id=nid).first()

if request.method == 'GET':

#生成默認值+html標籤，默認值包括obj全部數據

form = DepartModelForm(instance=obj)

return render(request,'depart_form.html',{'form':form})#return form帶默認值

form = DepartModelForm(data=request.POST,instance=obj)

if form.is_valid():

form.save()

return redirect('/crm/depart/list/')

return render(request,'depart_form.html',{'form':form})

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Python

每日一句

每一个你不满意的现在，都有一个你没有努力的曾经。

python_22(Form-CRM）

第1章 CRM

1.1 建項目

1.2 settings

1.3 規範url

1.4 公共的後臺模板

1.5 建立部門表

1.6 建庫移庫

1.7 母版繼承

1.7.1 導入static

1.7.2 導入母版html

1.7.3 繼承語法

第2章 部門

2.1 depart_list

2.1.1 列表url

2.1.2 建立函數

2.1.3 建立部門列表html

2.2 depart_add

2.2.1 crm.urls.py

2.2.2 建立MOdelForm

2.2.3 建立函數

2.2.4 建立depart_form.html

2.3 depart_del/depart_edit

2.3.1 結構目錄

第3章 用戶（一對多（增長MD5））

3.1 user_list

3.2 user_add

3.3 user_edit/user_del

第4章 課程（同部門略）

第5章 班級(多對多)

5.1 class_list

5.2 class_add

5.3 class_del/class_edit

第6章 分頁及MD5

第7章 ModelForm

7.1 功能

7.2 生成html標籤

7.2.1 fields = '__all__'

7.2.2 fields = ['title']

7.2.3 exclude = ['title']

7.3 instance

第2章部門

第3章用戶（一對多（增長MD5））

第4章課程（同部門略）

第5章班級(多對多)

第6章分頁及MD5

7.2.1 fields = 'all'