SSH框架——在Servlet中訪問Spring IoC實例對象

package com.edu.Spring;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;

/**
 * Servlet implementation class SpringIoC
 */
@WebServlet("/SpringIoC")
public class SpringIoC extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public SpringIoC() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doPost(request,response);
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		
		ServletContext sc=request.getServletContext();
		WebApplicationContext ctx=null;
		ctx=WebApplicationContextUtils.getWebApplicationContext(sc);
		Person person =(Person)ctx.getBean(Person.class);
		response.setCharacterEncoding("GBK");
		request.setCharacterEncoding("GBK");
		PrintWriter out=response.getWriter();
		out.println(person.getHello());
	}

}