49 lines
1.3 KiB
Python
49 lines
1.3 KiB
Python
"""第5-1课标准示例：模拟客户端、服务器和请求响应流程。"""
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def browser_send_request(url: str) -> dict:
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"""模拟浏览器根据URL创建HTTP请求。"""
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return {
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"method": "GET",
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"url": url,
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"headers": {"Accept": "text/html"},
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}
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def server_handle_request(request: dict) -> dict:
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"""模拟服务器读取请求并返回HTTP响应。"""
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if request["url"] == "/books":
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return {
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"status": 200,
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"headers": {"Content-Type": "text/html; charset=utf-8"},
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"body": "<h1>图书列表</h1>",
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}
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return {
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"status": 404,
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"headers": {"Content-Type": "text/plain; charset=utf-8"},
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"body": "页面不存在",
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}
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def browser_render_response(response: dict) -> None:
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"""模拟浏览器检查响应并展示响应体。"""
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print(f"响应状态：{response['status']}")
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print(f"内容类型：{response['headers']['Content-Type']}")
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print(f"浏览器展示：{response['body']}")
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def main() -> None:
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"""依次模拟发送请求、服务器处理和浏览器展示。"""
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request = browser_send_request("/books")
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print(f"客户端发送：{request['method']} {request['url']}")
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response = server_handle_request(request)
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browser_render_response(response)
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if __name__ == "__main__":
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main()
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