checkuser.java

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/*
 * 创建日期 2006-6-11
 *
 * TODO 要更改此生成的文件的模板，请转至
 * 窗口 － 首选项 － Java － 代码样式 － 代码模板
 */
package net.icefish.servlet;

import net.icefish.bean.*;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.*;
import javax.servlet.http.*;

/**
 * @author LittleChild
 *
 * TODO 要更改此生成的类型注释的模板，请转至
 * 窗口 － 首选项 － Java － 代码样式 － 代码模板
 */
public class CheckUser extends HttpServlet {

	public void init(ServletConfig config) throws ServletException {
		super.init(config);
		//TODO Method stub generated by Lomboz
	}

	public void destroy() {
		super.destroy();
		//TODO Method stub generated by Lomboz
	}

	protected void doGet(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		//TODO Method stub generated by Lomboz
		doPost(request, response);
	}

	protected void doPost(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		//TODO Method stub generated by Lomboz
		response.setContentType("text/html;charset=GB2312");
		request.setCharacterEncoding("GB2312");
		PrintWriter out=response.getWriter();
		HttpSession session=request.getSession(true);
		
		String user_name=request.getParameter("user_name");		
		UserDataBean udb=new UserDataBean();
		UserBean userBean=new UserBean();
		userBean.setUser_Name(user_name);
		boolean checkUser=udb.checkUser(userBean);
		if(checkUser){
			out.println("<table width=100% height=100% align=center vlign=center border=1 bordercolorlight=#7777ff bordercolordark=#7777ff style=border-collapse:collapse>"
						+"<tr bgcolor=#dff2ed align=center><td><font color=blue>恭喜！该用户名可以注册！</font></td></td>"
						+"</table>");
		}else{
			out.println("<table width=100% height=100% align=center vlign=center border=1 bordercolorlight=#7777ff bordercolordark=#7777ff style=border-collapse:collapse>"
						+"<tr bgcolor=#dff2ed align=center><td><font color=blue>对不起！该用户名已经存在，不能进行注册！</font></td></td>"
						+"</table>");
		}
	}
}