/*
注册主要逻辑
*/
QString id = ui->line_id->text();
QString password = ui->line_password->text();
QString password2 = ui->line_password2->text();
if (id == nullptr) {
QMessageBox::warning(this, " ", "您的用户名为空！");
} else if (id.length() < 6) {
QMessageBox::warning(this, " ", "您的用户名小于六位！");
} else if (password == nullptr) {
QMessageBox::warning(this, " ", "您的密码为空！");
} else if (password.length() < 6) {
QMessageBox::warning(this, " ", "您的密码小于六位！");
} else if (password != password2) {
QMessageBox::warning(this, " ", "两次密码不一致！");
} else {
LinkList *P = R;
while (P->next != nullptr) {
if (P->next->Id == id) {
QMessageBox::warning(this, " ", "存在当前用户名");
return;
}
P = P->next;
}
if (!ui->Btn_Student->isChecked()
&& !ui->Btn_Teacher->isChecked()) {
QMessageBox::warning(this, " ", "请选择您的用户类型");
} else if (ui->Btn_Student->isChecked()) {
LinkList *L = new LinkList;
L->Id = id;
L->Password = password;
L->IsTeacher = false;
L->next = R->next;
R->next = L;
if (QMessageBox::Ok ==
QMessageBox::information(this, " ", "学生用户注册成
功", QMessageBox::Ok | QMessageBox::Cancel)) {
Register::close();
} else {
Register::close();
}
} else if (ui->Btn_Teacher->isChecked()) {
LinkList *L = new LinkList;
L->Id = id;
