controller/member/MemberJoin.java > MODEL2

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package controller.member;

import java.io.IOException;

import java.io.PrintWriter;

import javax.servlet.RequestDispatcher;

import javax.servlet.ServletException;

import javax.servlet.annotation.WebServlet;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import dao.MemberDAO;

import model.Member;

@WebServlet("/member/join")

public class MemberJoin extends HttpServlet {

private static final long serialVersionUID = 1L;

    public MemberJoin() {

        super();

    }

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

RequestDispatcher dis = request.getRequestDispatcher("join.jsp");

dis.forward(request, response);

}

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

request.setCharacterEncoding("utf-8");

String id = request.getParameter("mb_id");

Member m = new Member();

m.setId(request.getParameter("mb_id"));

m.setPass(request.getParameter("mb_pass"));

m.setName(request.getParameter("mb_name"));

m.setEmail(request.getParameter("mb_email"));

m.setAge(Integer.parseInt(request.getParameter("mb_age")));

m.setGender(request.getParameter("mb_gender"));

m.setLevel("1"); //레밸 1

m.setMemo(request.getParameter("mb_memo")); 

MemberDAO dao = new MemberDAO();

int num = dao.loginSelect(id); //아이디 존재여부

if(num == 1) { //아이디 존재

//출력 구문

response.setContentType("text/html; charset=utf-8");

PrintWriter out = response.getWriter();

out.print("<script>");

out.print("alert('존재하는 아이디입니다.');");

out.print("history.back();");

out.print("</script>");

}else {

dao.insertMember(m);

response.sendRedirect("/");

}

}

}