public boolean checkLogin(String username, String password) {
String a = null, b = null;
Boolean check = false;
try {
Accessdb db = new Accessdb();
a = db.Accessdb();
System.out.println("Database bao gồm \n");
System.out.println(a);
System.out.println("Đăng nhập thành công");
String[] user, nick = null;
user = a.split("/");
int n = user.length;
int j = 0;
for (j = 0; j < n; j++) {
nick = user[j].split("-");
if (username.equalsIgnoreCase(nick[0]) && password.equalsIgnoreCase(nick[1])) {
check = true;
break;
}
}
if (check) {
return true;
} else {
return false;
}
} catch (Exception e) {
System.out.println("Database exception : userExists()");
return false;
}
}
public boolean userExists(String username) {
String a = null;
boolean check = false;
try {
Accessdb db = new Accessdb();
a = db.Accessdb();
String[] user, nick = null;
user = a.split("/");
int n = user.length;
int j = 0;
for (j = 0; j < n; j++) {
nick = user[j].split("-");
if (username.equalsIgnoreCase(nick[0])) {
check = true;
JOptionPane.showMessageDialog(null, "Tài khoản dã tồn tại");
break;
}
}
if (check) {
return true;
} else {
return false;
}
} catch (Exception ex) {
System.out.println("Database exception : userExists()");
return false;
}
}
public void addUser(String username, String password) {
String a = null;
boolean check = false;
try {
Accessdb db = new Accessdb();
a = db.Accessdb();
System.out.println("Database bao gồm \n");
System.out.println(a);
String[] user, nick = null;
user = a.split("/");
int n = user.length;
int j = 0;
for (j = 0; j < n; j++) {
nick = user[j].split("-");
if (username.equalsIgnoreCase(nick[0])) {
check = true;
JOptionPane.showMessageDialog(null, "userExist");
break;
}
}
if (check) {
} else {
writedb wdb = new writedb();
String code = "Insert into info.login values ('" + username + "','" + password + "')";
wdb.writedb(code);
System.out.println(" Thêm vào DB thành công");
System.out.println("Bảng Database \n");
System.out.println(a);
}
} catch (Exception e) {
System.out.println("Dang ki that bai");
}
}
