BaseServlet方法分发

BaseServlet.java

 package org.guangsoft.controller;

 import java.io.IOException;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;

 import javax.servlet.ServletException;
 import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;

 public class BaseServlet extends HttpServlet
 {
     /**
      * 将请求方法到不同的servlet中的不同方法
      */
     @Override
     protected void service(HttpServletRequest request, HttpServletResponse response)
             throws ServletException, IOException
     {
         request.setCharacterEncoding("UTF-8");
         response.setCharacterEncoding("UTF-8");
         response.setContentType("text/html; charset=utf-8");
         try
         {
             //获取调用的方法名
             String option = request.getParameter("option");
             //获取真实调用的servlet字节码文件
             Class clazz = this.getClass();
             //获取调用的方法
             Method method = clazz.getDeclaredMethod(option, HttpServletRequest.class,HttpServletResponse.class);
             //执行调用的方法
             method.invoke(this, request, response);
         }
         catch (Exception e)
         {
             e.printStackTrace();
         }
     }
 }