hello.qml Example File | Qt Quick 5.6

Qt 5.6 | Qt Quick | Qt Quick Examples - Local Storage | hello.qml Example File

Qt 5.6.2 Reference Documentation

# hello.qml Example File

localstorage/localstorage/hello.qml

      /****************************************************************************
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      ** This file is part of the examples of the Qt Toolkit.
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      import QtQuick 2.0
      import QtQuick.LocalStorage 2.0

      Rectangle {
          width: 200
          height: 100

          Text {
              text: "?"
              anchors.horizontalCenter: parent.horizontalCenter

              function findGreetings() {
                  var db = LocalStorage.openDatabaseSync("QQmlExampleDB", "1.0", "The Example QML SQL!", 1000000);

                  db.transaction(
                      function(tx) {
                          // Create the database if it doesn't already exist
                          tx.executeSql('CREATE TABLE IF NOT EXISTS Greeting(salutation TEXT, salutee TEXT)');

                          // Add (another) greeting row
                          tx.executeSql('INSERT INTO Greeting VALUES(?, ?)', [ 'hello', 'world' ]);

                          // Show all added greetings
                          var rs = tx.executeSql('SELECT * FROM Greeting');

                          var r = ""
                          for(var i = 0; i < rs.rows.length; i++) {
                              r += rs.rows.item(i).salutation + ", " + rs.rows.item(i).salutee + "\n"
                          }
                          text = r
                      }
                  )
              }

              Component.onCompleted: findGreetings()
          }
      }