registerservlet.java

一个较简单的论坛——中国精英论坛,是我的一个练习

package com.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;

import javax.servlet.RequestDispatcher;
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.bean.User;
import com.serviceImp.UserService;

public class RegisterServlet 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 {
		request.setCharacterEncoding("UTF-8");
		response.setCharacterEncoding("UTF-8");
		
		response.setContentType("text/html;charset=UTF-8");
		PrintWriter out = response.getWriter();
		String userName=request.getParameter("userName");
		String userPwd1=request.getParameter("userpwd1");
		String userPwd2=request.getParameter("userpwd2");
		String checkCode=request.getParameter("checkCode");
		HttpSession session=request.getSession();
		String check_code=(String)session.getAttribute("check_code");
		
		RequestDispatcher rd1=request.getRequestDispatcher("head.jsp");
		rd1.include(request,response);
		
		//判断空验证
		if(userName.trim().length()!=0&&userPwd1.trim().length()!=0&&userPwd2.trim().length()!=0){
			//密码一致性验证
			if(userPwd1.equals(userPwd2)){
				//验证码验证
				if(checkCode.trim().equals(check_code)){
					String userPwd=userPwd1;		
					UserService service=UserService.getUserService();
					List<User> list=service.load(userName.trim().toLowerCase(), userPwd.trim().toLowerCase());
					boolean registerbool=service.add(userName,userPwd);
					//检索数据库是否用户重名
					if(registerbool){				
							out.println("<div class='normLayout'>");
							out.println("<img src='/jsp_jd08100/myPro/img/sucess.png'>注册成功</div>");
					}else{			
						out.println("<div class='normLayout'>");
						out.println("<img src='/jsp_jd08100/myPro/img/Alert.png'>用户已经存在，请重新注册<a href='register.jsp'>[返回]</a><a href='index.jsp'>[返回首页]</a></div>");	
					}
				}else{
						out.println("<div class='normLayout'>");
						out.println("<img src='/jsp_jd08100/myPro/img/Alert.png'>验证码错误，请重新注册<a href='register.jsp'>[返回]</a><a href='index.jsp'>[返回首页]</a></div>");				
				}
				}else{
				out.println("<div class='normLayout'>");
				out.println("<img src='/jsp_jd08100/myPro/img/Alert.png'>您的密码不一致，请重新注册1<a href='register.jsp'>[返回]</a><a href='index.jsp'>[返回首页]</a></div>");
			}
		}else{
			out.println("<div class='normLayout'>");
			out.println("<img src='/jsp_jd08100/myPro/img/Alert.png'>您输入的用户或密码为空，请重新注册<a href='register.jsp'>[返回]</a><a href='index.jsp'>[返回首页]</a></div>");

		}


		RequestDispatcher rd2=request.getRequestDispatcher("foot.jsp");
		rd2.include(request,response);
		out.flush();
		out.close();
	}

}