From a627bf2c7735f80f5e8612eb5f1d71d4871918ca Mon Sep 17 00:00:00 2001
From: slgxmh <slgxmh@foxmail.com>
Date: Wed, 23 Jun 2021 17:03:50 +0800
Subject: [PATCH 1/2] add factory

---
 .gitignore                  |  1 +
 js/creational/factor.js     | 29 +++++++++++++++++++++++++++++
 python/creational/factor.py | 27 +++++++++++++++++++++++++++
 3 files changed, 57 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 js/creational/factor.js
 create mode 100644 python/creational/factor.py

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..600d2d3
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.vscode
\ No newline at end of file
diff --git a/js/creational/factor.js b/js/creational/factor.js
new file mode 100644
index 0000000..762e069
--- /dev/null
+++ b/js/creational/factor.js
@@ -0,0 +1,29 @@
+class TextLoader {
+    get data() {
+        return "This is a text!"
+    }
+}
+
+class ImageLoader {
+    get data() {
+        return "This is a image!"
+    }
+}
+
+class DataLoaderFactory {
+    loaders = {
+        "Image": ImageLoader,
+        "Text": TextLoader,
+    }
+    // 工厂方法
+    get_loader(type) {
+        return new this.loaders[type]()
+    }
+}
+
+// 创建数据加载器工厂
+factory = new DataLoaderFactory();
+image = factory.get_loader("Image").data
+text = factory.get_loader("Text").data
+// 输出加载的数据
+console.log(image, text)
diff --git a/python/creational/factor.py b/python/creational/factor.py
new file mode 100644
index 0000000..b55f366
--- /dev/null
+++ b/python/creational/factor.py
@@ -0,0 +1,27 @@
+class TextLoader:
+    def get_data(self) -> str:
+        return "This is a text!"
+
+
+class ImageLoader:
+    def get_data(self) -> str:
+        return "This is a image!"
+
+
+class DataLoaderFactory:
+    def get_loader(self, type: str = "Image") -> object:
+        """工厂方法"""
+        loaders = {
+            "Image": ImageLoader,
+            "Text": TextLoader,
+        }
+        return loaders[type]()
+
+
+if __name__ == "__main__":
+    # 创建数据加载器工厂
+    factory = DataLoaderFactory()
+    image, text = factory.get_loader(
+        type="Image"), factory.get_loader(type="Text")
+    # 输出加载的数据
+    print(image.get_data(), text.get_data())
-- 
Gitee


From 59df74e2601ddf81029194ab63889d44594c75f5 Mon Sep 17 00:00:00 2001
From: slgxmh <slgxmh@foxmail.com>
Date: Wed, 23 Jun 2021 17:21:46 +0800
Subject: [PATCH 2/2] add python_abstract_factroy

---
 python/creational/abstract_factor.py | 92 ++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 python/creational/abstract_factor.py

diff --git a/python/creational/abstract_factor.py b/python/creational/abstract_factor.py
new file mode 100644
index 0000000..8cae887
--- /dev/null
+++ b/python/creational/abstract_factor.py
@@ -0,0 +1,92 @@
+from typing import NoReturn, Type
+
+
+class DataSet(object):
+    """
+    数据类的父类，抽象出这一类的最基本的要素与功能
+
+    属性：
+        name: 所有的数据都有一个可读的名字，本例抽象出这一个属性做演示
+    """
+
+    def __init__(self, name: str) -> None:
+        self.name = name
+
+    def content(self) -> NoReturn:
+        """数据集的内容"""
+        raise NotImplementedError
+
+    def __str__(self) -> str:
+        raise NotImplementedError
+
+
+class Image(DataSet):
+    """继承自Data父类，假设这是一组图片数据"""
+
+    def content(self) -> NoReturn:
+        """
+        重载
+        图片数据集的内容
+
+        返回：假设返回了一组图片
+        """
+        print("Image!")
+
+    def __str__(self) -> str:
+        return f"Image<{self.name}>"
+
+
+class Text(DataSet):
+    """同样继承自Data父类，假设这一组文字数据集"""
+
+    def content(self) -> NoReturn:
+        """
+        重载
+        文字数据集的内容
+
+        返回：假设返回了一组字符
+        """
+        print("Text!")
+
+    def __str__(self) -> str:
+        return f"Text<{self.name}>"
+
+
+class AbstractDataFactory(object):
+    """抽象工厂的实现"""
+
+    def __init__(self, data_type: Type[DataSet]) -> None:
+        """设置工厂的类型
+
+        参数：
+            data_type: 数据集的类型
+        """
+
+        self.data_factory = data_type
+
+    def get_data_set(self, name: str) -> DataSet:
+        """获得不同类型的数据
+
+        参数：
+            name: 数据集的名字
+        """
+
+        data_set = self.data_factory(name)
+        print(f"Here is your dataset: {data_set}")
+        return data_set
+
+
+# 抽象工厂的核心思想：声明不同类型的工厂，生产出不同的类
+if __name__ == "__main__":
+    # 声明了一个文字类的数据集工厂
+    factory = AbstractDataFactory(Text)
+    # 给这个数据集起名 NLP
+    data_set = factory.get_data_set("NLP")
+    # 查看 NLP 数据集的内容
+    data_set.content()  # Here is your data Text<A> Text!
+    # factor 变成了图像类的数据集工厂
+    factory = AbstractDataFactory(Image)
+    # 起名 CV 数据集
+    data_set = factory.get_data_set("CV")
+    # 查看 CV 数据集的内容
+    data_set.content()  # Here is your data Image<B> Image!
-- 
Gitee