b07ce1a99cbc001d1a0bdb0e07cbdb75

MyEclipse6.0+SQL2000开发简单的通讯录系统

package org.MyServlet;

import java.io.IOException;

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

import org.dbUtil.DBUtil;

public class Mainservlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public Mainservlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 * 
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request
	 *            the request send by the client to the server
	 * @param response
	 *            the response send by the server to the client
	 * @throws ServletException
	 *             if an error occurred
	 * @throws IOException
	 *             if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
        doPost(request,response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 * 
	 * This method is called when a form has its tag value method equals to
	 * post.
	 * 
	 * @param request
	 *            the request send by the client to the server
	 * @param response
	 *            the response send by the server to the client
	 * @throws ServletException
	 *             if an error occurred
	 * @throws IOException
	 *             if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		String type = request.getParameter("type");
		String id = request.getParameter("id");
		String kn=request.getParameter("kn");
		if (type.equals("delete")) {

			delete(id);
			request.getRequestDispatcher("/myapps/edit/list.jsp?n="+id)
					.forward(request, response);
		} 
		else if (type.equals("update")||type.equals("insert")) {
			
			request.getRequestDispatcher(
					"/myapps/edit/edit.jsp?id=" + id+"&kn="+kn).forward(
					request, response);
		
		}
	
	}



	public void delete(String id) {

		String deleteSQL = "delete from wid where did = " + id;
		DBUtil.exe(deleteSQL);

	}

	/**
	 * Initialization of the servlet. <br>
	 * 
	 * @throws ServletException
	 *             if an error occure
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}