<%@ page language="java" contentType="text/html; charset=EUC-KR"
pageEncoding="EUC-KR"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=EUC-KR">
<title>Insert title here</title>
<link rel="stylesheet" type="text/css" href="<%= request.getContextPath() %>/css/main.css" />
</head>
<body>
<%@ include file="/module/top.jsp" %>
<%@ include file="/module/left.jsp" %>작업했던 처리과정 파일들의 상단 하단에 layout 코드 삽입<%@ include file="/module/hadan.jsp" %>
</body>
</html>
로그인 process를 db와 연결하기
<%@ page language="java" contentType="text/html; charset=EUC-KR"
pageEncoding="EUC-KR"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%
String id = request.getParameter("id");
String pw = request.getParameter("pw");
System.out.println(id + "<- id");
System.out.println(pw + "<- pw");
String dbid = "id001";
String dbpw = "pw001";
String dblevel = "관리자"; //관리자 또는 판매자 또는 구매자 변경해서 테스트
String dbname = "김길동";
String alert = null;
if(id.equals(dbid)){
System.out.println("01 아이디 일치 조건");
if(pw.equals(dbpw)){
System.out.println("03 로그인성공 조건");
//response.sendRedirect(request.getContextPath() + "/index.jsp");
session.setAttribute("S_LEVEL", dblevel);
session.setAttribute("S_NAME", dbname);
alert = "로그인성공";
}else{
System.out.println("04 비번 불일치 조건");
alert = "비번 불일치";
}
}else{
System.out.println("02 아이디 불일치 조건");
alert = "아이디 불일치";
}
%>
<script type="text/javascript">
alert('<%= alert %>');
location.href='<%= request.getContextPath()%>/index.jsp';
</script>↓
<%@ page language="java" contentType="text/html; charset=EUC-KR"
pageEncoding="EUC-KR"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%@ page import = "java.sql.DriverManager" %>
<%@ page import = "java.sql.Connection" %>
<%@ page import = "java.sql.PreparedStatement" %>
<%@ page import = "java.sql.ResultSet" %>
<%@ page import = "java.sql.SQLException" %>
<%
String id = request.getParameter("id");
String pw = request.getParameter("pw");
System.out.println(id + "<- id");
System.out.println(pw + "<- pw");
String dbid = null;
String dbpw = null;
String dblevel = null;
String dbname = null;
String alert = null;
Connection conn = null;
PreparedStatement pstmt = null;
ResultSet rs = null;
Class.forName("com.mysql.jdbc.Driver");
try{
String jdbcDriver = "jdbc:mysql://localhost:3306/dev35db?" +
"useUnicode=true&characterEncoding=euckr";
String dbUser = "dev35id";
String dbPass = "dev35pw";
conn = DriverManager.getConnection(jdbcDriver, dbUser, dbPass);
System.out.println(conn + "<-- conn");
pstmt = conn.prepareStatement("select * from tb_member WHERE m_id = ?");
pstmt.setString(1, id);
System.out.println(pstmt + "<-- pstmt");
rs = pstmt.executeQuery();
System.out.println(rs + "<-- rs");
if(rs.next()){
System.out.println("if 조건문 통과-------------");
System.out.println("01 아이디 일치 조건");
dbid = rs.getString("m_id");
dbpw = rs.getString("m_pw");
dblevel = rs.getString("m_level");
dbname = rs.getString("m_name");
System.out.println(dbid + "<- dbid");
System.out.println(dbpw + "<- dbpw");
System.out.println(dblevel + "<- dblevel");
System.out.println(dbname + "<- dbname");
if(pw.equals(dbpw)){
System.out.println("03 로그인성공 조건");
//response.sendRedirect(request.getContextPath() + "/index.jsp");
session.setAttribute("S_LEVEL", dblevel);
session.setAttribute("S_NAME", dbname);
alert = "로그인성공";
}else{
System.out.println("04 비번 불일치 조건");
alert = "비번 불일치";
}
}else{
System.out.println("02 아이디 불일치 조건");
alert = "아이디 불일치";
}
} catch(SQLException ex) {
System.out.println(ex.getMessage());
ex.printStackTrace();
} finally {
if (rs != null) try { rs.close(); } catch(SQLException ex) {}
if (pstmt != null) try { pstmt.close(); } catch(SQLException ex) {}
if (conn != null) try { conn.close(); } catch(SQLException ex) {}
}
%>
<script type="text/javascript">
alert('<%= alert %>');
location.href='<%= request.getContextPath()%>/index.jsp';
</script>db tb_member에 입력된 datas
로그인시 db data가 출력됨 / 로그인 실패시에 alert도 잘 뜸
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