jdbcservlet.java

《精通JSP编程 》源代码(赵强那本) 很有用的源代码

package edu.j2ee.servletSample;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;

public class JDBCServlet extends HttpServlet
{
	/**
	 *连接数据库的属性.
	 */
	String driver;
	String url;
		
	/**
	 *处理Get请求
	 */
	public  void doGet(HttpServletRequest request,
                      HttpServletResponse response)
        throws IOException, ServletException
    {
    	response.setContentType("text/html;charset=gb2312");
        PrintWriter out = response.getWriter();
        out.println("driver=" + driver + "<br>" + " url =" + url);     
      }
    
    /**
     *处理Post请求
     */
    public  void doPost(HttpServletRequest request,
                      HttpServletResponse response)throws IOException, ServletException
                      
    {
    	doGet(request,response);
    }
    /**
     *获得初始化参数
     */
    public void init(ServletConfig config)throws ServletException
    {
    	super.init(config);
    	driver=getInitParameter("DRIVER");
    	url=getInitParameter("URL");
    	
    } 
  }