feat(web基础): 新增零基础Web开发课程

05_web基础/5_4_JSON数据交换/json_rest_example.py

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+"""第5-4课标准示例：完成Python对象与JSON文本的双向转换。"""
+
+import json
+
+
+def serialize_book() -> str:
+    """把Python图书对象序列化为JSON文本。"""
+
+    book = {
+        "id": 1,
+        "title": "Python Web基础",
+        "price": 59.9,
+        "available": True,
+        "tags": ["Python", "Web"],
+        "description": None,
+    }
+    return json.dumps(book, ensure_ascii=False, indent=2)
+
+
+def deserialize_request(request_body: str) -> dict:
+    """把客户端发送的JSON文本反序列化为Python字典。"""
+
+    return json.loads(request_body)
+
+
+def main() -> None:
+    """依次展示序列化和反序列化结果。"""
+
+    print("JSON响应：")
+    print(serialize_book())
+    request_data = deserialize_request('{"title": "HTTP实践", "price": 49.0}')
+    print(f"请求中的书名：{request_data['title']}")
+
+
+if __name__ == "__main__":
+    main()