添加了第32天的代码

Author: jackfrued

.gitignore

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+venv
+.idea
+*.pyc

Day32/oa/hrs/__init__.py

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+from django.contrib import admin
+
+from hrs.models import Dept, Emp
+
+
+class DeptAdmin(admin.ModelAdmin):
+
+    list_display = ('no', 'name', 'location')
+    ordering = ('no', )
+
+
+class EmpAdmin(admin.ModelAdmin):
+
+    list_display = ('no', 'name', 'job', 'sal', 'dept')
+    search_fields = ('name', 'job')
+    ordering = ('dept', )
+
+
+admin.site.register(Dept, DeptAdmin)
+admin.site.register(Emp, EmpAdmin)

Day32/oa/hrs/admin.py

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+from django.apps import AppConfig
+
+
+class HrsConfig(AppConfig):
+    name = 'hrs'

Day32/oa/hrs/apps.py

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+# Generated by Django 2.0.5 on 2018-05-22 03:07
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Dept',
+            fields=[
+                ('no', models.IntegerField(primary_key=True, serialize=False)),
+                ('name', models.CharField(max_length=20)),
+                ('location', models.CharField(max_length=10)),
+            ],
+            options={
+                'db_table': 'tb_dept',
+            },
+        ),
+        migrations.CreateModel(
+            name='Emp',
+            fields=[
+                ('no', models.IntegerField(primary_key=True, serialize=False)),
+                ('name', models.CharField(max_length=20)),
+                ('job', models.CharField(max_length=10)),
+                ('mgr', models.IntegerField(null=True)),
+                ('sal', models.DecimalField(decimal_places=2, max_digits=7)),
+                ('comm', models.DecimalField(decimal_places=2, max_digits=7, null=True)),
+                ('dept', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, to='hrs.Dept')),
+            ],
+            options={
+                'db_table': 'tb_emp',
+            },
+        ),
+    ]

Day32/oa/hrs/migrations/0001_initial.py

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+from django.db import models
+
+# ORM - 对象关系映射
+# 对象模型  <--->   关系模型
+# 实体类    <--->   二维表
+# 属性      <--->   列
+# 对象      <--->   记录
+
+
+class Dept(models.Model):
+    no = models.IntegerField(primary_key=True, verbose_name='部门编号')
+    name = models.CharField(max_length=20, verbose_name='部门名称')
+    location = models.CharField(max_length=10, verbose_name='部门所在地')
+    # excellent = models.BooleanField(default=0, verbose_name='是否优秀')
+
+    def __str__(self):
+        return self.name
+
+    class Meta:
+        db_table = 'tb_dept'
+
+
+class Emp(models.Model):
+    no = models.IntegerField(primary_key=True)
+    name = models.CharField(max_length=20)
+    job = models.CharField(max_length=10)
+    mgr = models.IntegerField(null=True, blank=True)
+    sal = models.DecimalField(max_digits=7, decimal_places=2)
+    comm = models.DecimalField(max_digits=7, decimal_places=2, null=True, blank=True)
+    dept = models.ForeignKey(Dept, on_delete=models.PROTECT)
+
+    class Meta:
+        db_table = 'tb_emp'

Day32/oa/hrs/migrations/__init__.py

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+from django.test import TestCase
+
+# Create your tests here.

Day32/oa/hrs/models.py

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+from django.shortcuts import render
+
+from hrs.models import Dept, Emp
+
+
+def index(request):
+    ctx = {
+        'greeting': '你好，世界！'
+    }
+    return render(request, 'index.html', context=ctx)
+
+
+def emps(request):
+    dno = int(request.GET['dno'])
+
+
+def depts(request):
+    # DRY - Don't Repeat Yourself
+    # ORM - Object Relation Mapping
+    ctx = {'dept_list': Dept.objects.all()}
+    return render(request, 'dept.html', context=ctx)

Day32/oa/hrs/tests.py

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+#!/usr/bin/env python
+import os
+import sys
+
+if __name__ == "__main__":
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "oa.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)