feat: 新增技能扩展N9一章相关示例源码

code/newsletter/N9/crud/pw_create.py

@@ -0,0 +1,35 @@
+import pathlib
+
+import peewee as pw
+
+db_url = pathlib.Path(__file__).parents[1].joinpath("./mydb.sqlite3")
+db = pw.SqliteDatabase(db_url)
+
+
+class BaseModel(pw.Model):
+    class Meta:
+        database = db
+
+
+class User(BaseModel):
+    uid = pw.AutoField()
+    username = pw.CharField(max_length=10)
+
+
+def main():
+    User.create(username="Steve Jobs")
+
+    user = User(username="Bill Gates")
+    user.save()
+
+    User.insert(username="Larry Page").execute()
+
+    rows = [
+        dict(username="100gle"),
+        dict(username="Jay Chou"),
+    ]
+    User.insert_many(rows).execute()
+
+
+if __name__ == '__main__':
+    main()