刚开始学习ORM

orm/db.py

@@ -1,4 +1,12 @@
 from django.db import models
+from django.core.exceptions import ValidationError
+
+
+def age_validator(value):
+    if value < 0:
+        raise ValidationError('年龄错误太小了')
+    if value > 150:
+        raise ValidationError('太老了，还是人吗？')
 
 
 class BaseUserInfo(models.Model):
@@ -6,13 +14,41 @@ class BaseUserInfo(models.Model):
     username = models.CharField(verbose_name='用户名', max_length=30)
     password = models.CharField(verbose_name='密码', max_length=20)
     status = models.CharField(verbose_name='状态', max_length=1)
-    createdate = models.DateField(verbose_name='创建日期', db_column='createDate')
+    createdate = models.DateField(verbose_name='创建日期', auto_now_add=True, db_column='createDate')
 
     def __str__(self):
-        return self.id
+        return str(self.id) + '-' + self.username
 
     class Meta:
         managed = False
         verbose_name = '人员基本信息'
         db_table = 'UserBaseInfo'
 
+
+class DepartInfo(models.Model):
+    id = models.AutoField(verbose_name='部门编号', primary_key=True)
+    departname = models.CharField(verbose_name='部门名称', max_length=30)
+    createdate = models.DateField(verbose_name='创建日期', db_column='createDate', auto_now_add=True)
+
+
+class UserExtendInfo(models.Model):
+    id = models.AutoField(verbose='扩展编号', primary_key=True)
+    username = models.CharField(verbose_name='用户名', max_length=30)
+    turename = models.CharField(verbose_name='真实姓名', max_length=30)
+    sex = models.IntegerField(verbose_name='性别')
+    age = models.IntegerField(verbose_name='年龄', validators=[age_validator])
+    department = models.CharField(verbose_name='部门', max_length=20)
+    salary = models.DecimalField(verbose_name='薪水', max_digits=8, decimal_places=2)
+    status = models.CharField(verbose_name='状态', max_length=1, db_comment='1 有效， 0 无效')
+    createdate = models.DateField(verbose_name='创建日期', db_column='createDate', auto_now_add=True)
+    lastupdatetime = models.DateTimeField(verbose_name='最后更新时间', db_column='lastUpdateTime', auto_now=True)
+    memo = models.TextField(verbose_name='备注', blank=True, null=True)
+    user = models.OneToOneField(BaseUserInfo, on_delete=models.CASCADE)
+    depart = models.ForeignKey(DepartInfo, default="", on_delete=models.DO_NOTHING)
+
+
+class SkillInfo(models.Model):
+    id = models.AutoField(verbose_name='技能编码', primary_key=True)
+    skillname = models.CharField(verbose_name='特长', max_length=30)
+    createdate = models.DateField(verbose_name='创建时间', db_column='createDate', auto_now_add=True)
+    user = models.ManyToManyField(UserExtendInfo, db_table='user_skill')

ormapp/manage.py

@@ -0,0 +1,22 @@
+#!/usr/bin/env python
+"""Django's command-line utility for administrative tasks."""
+import os
+import sys
+
+
+def main():
+    """Run administrative tasks."""
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'ormapp.settings')
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
+    execute_from_command_line(sys.argv)
+
+
+if __name__ == '__main__':
+    main()

ormapp/orm/admin.py

@@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.

ormapp/orm/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class OrmConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'orm'

ormapp/orm/migrations/0001_initial.py

@@ -0,0 +1,61 @@
+# Generated by Django 4.2.3 on 2023-07-05 14:16
+
+from django.db import migrations, models
+import django.db.models.deletion
+import orm.models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='BaseUserInfo',
+            fields=[
+                ('id', models.AutoField(primary_key=True, serialize=False, verbose_name='编号')),
+                ('username', models.CharField(max_length=30, verbose_name='用户名')),
+                ('password', models.CharField(max_length=20, verbose_name='密码')),
+                ('status', models.CharField(max_length=1, verbose_name='状态')),
+                ('createdate', models.DateField(auto_now_add=True, db_column='createDate', verbose_name='创建日期')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='DepartInfo',
+            fields=[
+                ('id', models.AutoField(primary_key=True, serialize=False, verbose_name='部门编号')),
+                ('departname', models.CharField(max_length=30, verbose_name='部门名称')),
+                ('createdate', models.DateField(auto_now_add=True, db_column='createDate', verbose_name='创建日期')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='UserExtendInfo',
+            fields=[
+                ('id', models.AutoField(primary_key=True, serialize=False, verbose_name='扩展编号')),
+                ('username', models.CharField(max_length=30, verbose_name='用户名')),
+                ('turename', models.CharField(max_length=30, verbose_name='真实姓名')),
+                ('sex', models.IntegerField(verbose_name='性别')),
+                ('age', models.IntegerField(validators=[orm.models.age_validator], verbose_name='年龄')),
+                ('department', models.CharField(max_length=20, verbose_name='部门')),
+                ('salary', models.DecimalField(decimal_places=2, max_digits=8, verbose_name='薪水')),
+                ('status', models.CharField(db_comment='1 有效， 0 无效', max_length=1, verbose_name='状态')),
+                ('createdate', models.DateField(auto_now_add=True, db_column='createDate', verbose_name='创建日期')),
+                ('lastupdatetime', models.DateTimeField(auto_now=True, db_column='lastUpdateTime', verbose_name='最后更新时间')),
+                ('memo', models.TextField(blank=True, null=True, verbose_name='备注')),
+                ('depart', models.ForeignKey(default='', on_delete=django.db.models.deletion.DO_NOTHING, to='orm.departinfo')),
+                ('user', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, to='orm.baseuserinfo')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='SkillInfo',
+            fields=[
+                ('id', models.AutoField(primary_key=True, serialize=False, verbose_name='技能编码')),
+                ('skillname', models.CharField(max_length=30, verbose_name='特长')),
+                ('createdate', models.DateField(auto_now_add=True, db_column='createDate', verbose_name='创建时间')),
+                ('user', models.ManyToManyField(db_table='user_skill', to='orm.userextendinfo')),
+            ],
+        ),
+    ]

ormapp/orm/models.py

@@ -0,0 +1,54 @@
+from django.db import models
+from django.core.exceptions import ValidationError
+
+
+def age_validator(value):
+    if value < 0:
+        raise ValidationError('年龄错误太小了')
+    if value > 150:
+        raise ValidationError('太老了，还是人吗？')
+
+
+class BaseUserInfo(models.Model):
+    id = models.AutoField(verbose_name='编号', primary_key=True)
+    username = models.CharField(verbose_name='用户名', max_length=30)
+    password = models.CharField(verbose_name='密码', max_length=20)
+    status = models.CharField(verbose_name='状态', max_length=1)
+    createdate = models.DateField(verbose_name='创建日期', auto_now_add=True, db_column='createDate')
+
+    def __str__(self):
+        return str(self.id) + '-' + self.username
+
+    # class Meta:
+    #     managed = False
+    #     verbose_name = '人员基本信息'
+    #     db_table = 'UserBaseInfo'
+
+
+class DepartInfo(models.Model):
+    id = models.AutoField(verbose_name='部门编号', primary_key=True)
+    departname = models.CharField(verbose_name='部门名称', max_length=30)
+    createdate = models.DateField(verbose_name='创建日期', db_column='createDate', auto_now_add=True)
+
+
+class UserExtendInfo(models.Model):
+    id = models.AutoField(verbose_name='扩展编号', primary_key=True)
+    username = models.CharField(verbose_name='用户名', max_length=30)
+    turename = models.CharField(verbose_name='真实姓名', max_length=30)
+    sex = models.IntegerField(verbose_name='性别')
+    age = models.IntegerField(verbose_name='年龄', validators=[age_validator])
+    department = models.CharField(verbose_name='部门', max_length=20)
+    salary = models.DecimalField(verbose_name='薪水', max_digits=8, decimal_places=2)
+    status = models.CharField(verbose_name='状态', max_length=1, db_comment='1 有效， 0 无效')
+    createdate = models.DateField(verbose_name='创建日期', db_column='createDate', auto_now_add=True)
+    lastupdatetime = models.DateTimeField(verbose_name='最后更新时间', db_column='lastUpdateTime', auto_now=True)
+    memo = models.TextField(verbose_name='备注', blank=True, null=True)
+    user = models.OneToOneField(BaseUserInfo, on_delete=models.CASCADE)
+    depart = models.ForeignKey(DepartInfo, default="", on_delete=models.DO_NOTHING)
+
+
+class SkillInfo(models.Model):
+    id = models.AutoField(verbose_name='技能编码', primary_key=True)
+    skillname = models.CharField(verbose_name='特长', max_length=30)
+    createdate = models.DateField(verbose_name='创建时间', db_column='createDate', auto_now_add=True)
+    user = models.ManyToManyField(UserExtendInfo, db_table='user_skill')

ormapp/orm/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

ormapp/orm/views.py

@@ -0,0 +1,3 @@
+from django.shortcuts import render
+
+# Create your views here.

ormapp/ormapp/asgi.py

@@ -0,0 +1,16 @@
+"""
+ASGI config for ormapp project.
+
+It exposes the ASGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/4.2/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'ormapp.settings')
+
+application = get_asgi_application()

ormapp/ormapp/settings.py

@@ -0,0 +1,140 @@
+"""
+Django settings for ormapp project.
+
+Generated by 'django-admin startproject' using Django 4.2.3.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/4.2/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/4.2/ref/settings/
+"""
+import logging
+from pathlib import Path
+
+# Build paths inside the project like this: BASE_DIR / 'subdir'.
+BASE_DIR = Path(__file__).resolve().parent.parent
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/4.2/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = 'django-insecure-y*29n6uy7o_w)$p1h&5p7^kce(6zzsuaradx_c8k_h&2ebzvc+'
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = []
+
+# Application definition
+
+INSTALLED_APPS = [
+    'orm.apps.OrmConfig',
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+]
+
+MIDDLEWARE = [
+    'django.middleware.security.SecurityMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+]
+
+ROOT_URLCONF = 'ormapp.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'ormapp.wsgi.application'
+
+# Database
+# https://docs.djangoproject.com/en/4.2/ref/settings/#databases
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.mysql',
+        'NAME': 'django_w3cschool_demo',
+        'HOST': 'home.rogersun.cn',
+        'USER': 'root',
+        'PASSWORD': 'Sxzgx1209',
+        'PORT': '3306'
+    }
+}
+
+# Password validation
+# https://docs.djangoproject.com/en/4.2/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+    },
+]
+
+# Internationalization
+# https://docs.djangoproject.com/en/4.2/topics/i18n/
+
+LANGUAGE_CODE = 'en-us'
+
+TIME_ZONE = 'UTC'
+
+USE_I18N = True
+
+USE_TZ = True
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/4.2/howto/static-files/
+
+STATIC_URL = 'static/'
+
+# Default primary key field type
+# https://docs.djangoproject.com/en/4.2/ref/settings/#default-auto-field
+
+DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
+
+LOGGING = {
+    'version': 1,
+    'disable_existing_loggers': False,
+    'handlers': {
+        'console': {
+            'level': 'DEBUG',
+            'class': 'logging.StreamHandler',
+        }
+    },
+    'loggers': {
+        'django.db.backends': {
+            'handlers': ['console'],
+            'propagate': True,
+            'level': 'DEBUG'
+        }
+    }
+}

ormapp/ormapp/urls.py

@@ -0,0 +1,22 @@
+"""
+URL configuration for ormapp project.
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/4.2/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  path('', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.urls import include, path
+    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
+"""
+from django.contrib import admin
+from django.urls import path
+
+urlpatterns = [
+    path('admin/', admin.site.urls),
+]

ormapp/ormapp/wsgi.py

@@ -0,0 +1,16 @@
+"""
+WSGI config for ormapp project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/4.2/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'ormapp.settings')
+
+application = get_wsgi_application()