Add new file

regist.cpp

+#include "regist.h"
+#include "ui_regist.h"
+
+Regist::Regist(QWidget *parent) :
+    QMainWindow(parent),
+    ui(new Ui::Regist)
+{
+    ui->setupUi(this);
+    this->setAttribute(Qt::WA_DeleteOnClose,1);
+}
+
+Regist::~Regist()
+{
+    delete ui;
+}
+
+void Regist::getdata(QSqlDatabase db1,QString tablename1) {
+    db = db1;
+    tablename = tablename1;
+}
+
+
+void Regist::on_pushButton_clicked()
+{
+    QString username = ui->usrname->text();
+    QString password = ui->psw->text();
+
+    QString sql = QString("insert into user(username,password) "
+                  "values('%1',%2);").arg(username).arg(password);
+    qDebug() << sql;
+
+    QSqlQuery sql_query(db);
+    if(!sql_query.exec(sql))
+    {
+        qDebug() << "注册失败" << sql_query.lastError();
+        return;
+    }
+    qDebug()<< "注册成功";
+}
+
+void Regist::on_goback_clicked()
+{
+    this->parentWidget()->show();
+    this->close();
+}