register.java

大型数据库课程设计源码

package servlet;
import java.io.IOException;
import java.io.PrintWriter;

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


public class Register extends HttpServlet {

	/**
	 * 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 account=(String)request.getSession().getAttribute("account");
		String name=(String)request.getParameter("name").trim();
		String pwd=(String)request.getParameter("pwd").trim();
		
		String sql="select * from netbankcustomer where name='"+name+"'";
		db.DBManager.getConnection();
		int i=db.DBManager.executeQuery(sql);
		if(i==0){//i==0璇存槑姝ょ敤鎴峰悕宸茬粡琚