spring练习例子

package com.accp.bean.servlet; import java.io.IOException; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.springframework.web.context.WebApplicationContext; import org.springframework.web.context.support.WebApplicationContextUtils; import com.accp.bean.TestAInterface; /** * Servlet implementation class for Servlet: TestServlet * */ public class TestServlet extends javax.servlet.http.HttpServlet { static final long serialVersionUID = 1L; /* * (non-Java-doc) * * @see javax.servlet.http.HttpServlet#HttpServlet() */ public TestServlet() { super(); } /* * (non-Java-doc) * * @see javax.servlet.http.HttpServlet#doGet(HttpServletRequest request, * HttpServletResponse response) */ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub this.doPost(request, response); } /* * (non-Java-doc) * * @see javax.servlet.http.HttpServlet#doPost(HttpServletRequest request, * HttpServletResponse response) */ protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub WebApplicationContext context = WebApplicationContextUtils .getRequiredWebApplicationContext(this.getServletContext()); TestAInterface interface1 = (TestAInterface) context.getBean("testA"); response.getWriter().write(interface1.test2()); } }