savewebinfo.java

一个用JSP编写的网站计数器

package com.webcount.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;
import javax.servlet.http.HttpSession;

import com.webcount.bean.Member;
import com.webcount.bean.Web;
import com.webcount.dao.DAOFactory;
import com.webcount.dao.MemberDAO;
import com.webcount.dao.WebDAO;
import com.webcount.util.DataContext;

public class SaveWebInfo extends HttpServlet {
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		doPost(request,response);
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/html");
		response.setCharacterEncoding("GB18030");
		
		PrintWriter out = response.getWriter();
		String username = DataContext.formatParmeter(request.getParameter("username"));
		String password = DataContext.formatParmeter(request.getParameter("password"));
		String webhost = DataContext.formatParmeter(request.getParameter("webhost"));
		// 创建用户对象，设置其值并将其插入到数据库中
		Member member = new Member();
		member.setMemberusername(username);
		member.setMemberpassword(password);
		MemberDAO memberdao = DAOFactory.getMemberDAO();
		member = memberdao.insertMember(member);
		if(member==null){ // 用户信息插入失败
			out.println("<script language=javascript>");
			out.println("alert('插入数据库失败!');");
			out.println("window.location.href='../register.jsp';");
			out.println("</script>");
		}else{ // 用户信息插入成功
			Web web = new Web(); // 创建网站信息对象并设置其值
			web.setWeb_memberid(member.getMemberid());
			web.setWebcount(0);
			web.setWebhost(webhost);
			WebDAO webdao = DAOFactory.getWebDAO();
			webdao.insertWeb(web);  // 将网站信息插入到数据库中
			if(web!=null){  // 网站信息插入成功
				HttpSession session = request.getSession();
				session.setAttribute("webmember",member);
				out.println("<script language=javascript>");
				out.println("alert('数据操作成功！');");
				out.println("window.location.href='../webinfo.jsp';");
				out.println("</script>");
			}else{  // 网站信息插入失败
				out.println("<script language=javascript>");
				out.println("alert('插入数据库失败!');");
				out.println("window.location.href='../register.jsp';");
				out.println("</script>");
			}
		}
		
		out.flush();
		out.close();
	}
}