本文详细介绍了Servlet的工作流程：从客户端发起请求开始，容器如何创建HttpServletRequest和HttpServletResponse对象；再到容器根据URL找到对应的Servlet并分配线程调用service()方法；然后根据HTTP请求类型决定调用doGet或doPost等方法；最后Servlet通过response对象返回响应。
1.The container sees that the request is for a servlet so the container creates two objects:(1)HttpServletResponse (2)HttpServletRequest
2.The Conatainer finds the correct servlet based on the URL in the request , create or allocates a thread for that request, and calls the servlet's ervice() method, passing the request and response obhects as arguments.
3.The service() method figures out which servlet method to call based on the HTTP method to call based on the HTTP method sent by the client.The client sent an HTTP get request so the service method calls the servlet's do get method passing the request and response objects as arguments.
4.The servlet uses the response object to write out the response goes back through the container.
5.The service method completes so the thread either dies ir return to a container-managed thread pool. The request and response object refernces fall out of the scope so these objects are toast(ready for garbage collection)---the client gets the response.
2.The Conatainer finds the correct servlet based on the URL in the request , create or allocates a thread for that request, and calls the servlet's ervice() method, passing the request and response obhects as arguments.
3.The service() method figures out which servlet method to call based on the HTTP method to call based on the HTTP method sent by the client.The client sent an HTTP get request so the service method calls the servlet's do get method passing the request and response objects as arguments.
4.The servlet uses the response object to write out the response goes back through the container.
5.The service method completes so the thread either dies ir return to a container-managed thread pool. The request and response object refernces fall out of the scope so these objects are toast(ready for garbage collection)---the client gets the response.
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