Untitled

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ page import= "user.UserDAO" %>
<%@ page import= "java.io.PrintWriter" %>
<% request.setCharacterEncoding("UTF-8"); %>
<jsp:useBean id="user" class="user.User" scope="page" />
<jsp:setProperty name="user" property="userId" />
<jsp:setProperty name="user" property="userPassword" />
<jsp:setProperty name="user" property="userName" />
<jsp:setProperty name="user" property="userGender" />
<jsp:setProperty name="user" property="userEmail" />
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>jsp 게시판 웹사이트</title>
</head>
<body>
	<%

		String userId = null;

		if(session.getAttribute("userId") != null) {
			userId = (String) session.getAttribute("userId");
		}

		if (userId != null ) {
			PrintWriter script = response.getWriter();
			script.println("<script>");
			script.println("alert('이미 로그인이 되어 있습니다. ')");
			script.println("location.href= main.jsp");
			script.println("</script>");

		}

		if (user.getUserId()==null || user.getUserPassword()==null || user.getUserName() ==null ||
		user.getUserGender()==null || user.getUserEmail()==null) {
			PrintWriter script = response.getWriter();
			script.println("<script>");
			script.println("alert('입력이 안 된 사항이 있습니다.')");
			script.println("history.back()");
			script.println("</script>");
		} else {


		UserDAO userDAO = new UserDAO();
		int result = userDAO.join(user);

		if(result== - 1) {
			PrintWriter script = response.getWriter();
			script.println("<script>");
			script.println("alert('이미 존재하는 아이디입니다.')");
			script.println("history.back()");
			script.println("</script>");
		} else {
			PrintWriter script = response.getWriter();
			script.println("<script>");
			script.println("alert('비밀번호가 틀립니다.')");
			script.println("history.back()");
			script.println("</script>");
		}
	}
	%>


</body>
</html>