public UserDTO login(UserDTO user) {
UserDTO dto = null;
try (Connection conn = Conn.getConnection();
PreparedStatement pstmt =
conn.prepareStatement(
"select user_id,name,auth from user where user_id=? and password=?"); ) {
pstmt.setInt(1, user.getUid());
pstmt.setString(2, Sha256.encrypt(user.getPassword()));
// pstmt.setString(2, user.getPassword());
try (ResultSet rs = pstmt.executeQuery(); ) {
if (rs.next()) {
dto = new UserDTO();
dto.setUid(rs.getInt("user_id"));
dto.setName(rs.getString("name"));
dto.setAuth(rs.getString("auth"));
}
} catch (Exception e) {
e.printStackTrace();
}
} catch (Exception e) {
e.printStackTrace();
}
return dto;
}
public boolean userDelete(UserDTO user) {
try (Connection conn = Conn.getConnection();
PreparedStatement pstmt = conn.prepareStatement("delete from user where user_id=?"); ) {
pstmt.setInt(1, user.getUid());
pstmt.executeUpdate();
} catch (Exception e) {
return false;
}
return true;
}
public void setTempPassword(UserDTO user) {
try (Connection conn = Conn.getConnection();
PreparedStatement pstmt =
conn.prepareStatement("update user set password=? where user_id=?"); ) {
pstmt.setString(1, Sha256.encrypt(user.getPassword()));
pstmt.setInt(2, user.getUid());
pstmt.executeUpdate();
} catch (Exception e) {
e.printStackTrace();
}
}
public void userAdd(UserDTO user) {
try (Connection conn = Conn.getConnection();
PreparedStatement pstmt = conn.prepareStatement("insert into user values(?,?,?,?)"); ) {
pstmt.setInt(1, user.getUid());
pstmt.setString(2, Sha256.encrypt(user.getPassword()));
pstmt.setString(3, user.getName());
pstmt.setString(4, user.getAuth());
pstmt.executeUpdate();
} catch (Exception e) {
e.printStackTrace();
}
}
public boolean passwordCheck(UserDTO user) {
boolean check = false;
try (Connection conn = Conn.getConnection();
PreparedStatement pstmt =
conn.prepareStatement("select user_id from user where user_id=? and password=? "); ) {
pstmt.setInt(1, user.getUid());
pstmt.setString(2, Sha256.encrypt(user.getPassword()));
ResultSet rs = pstmt.executeQuery();
if (rs.next()) {
check = true;
} else {
check = false;
}
} catch (Exception e) {
e.printStackTrace();
}
return check;
}
public boolean overlapCheck(UserDTO user) {
boolean check = false;
try (Connection conn = Conn.getConnection();
PreparedStatement pstmt =
conn.prepareStatement("select user_id from user where user_id=?"); ) {
pstmt.setInt(1, user.getUid());
try (ResultSet rs = pstmt.executeQuery(); ) {
if (rs.next()) {
check = true;
}
} catch (Exception e) {
e.printStackTrace();
return check;
}
} catch (Exception e) {
e.printStackTrace();
return check;
}
return check;
}