- Qt 5.5
- Qt QML
- Qt Quick Examples - XMLHttpRequest
- get.qml Example File
- Qt 5.5.1 Reference Documentation

# get.qml Example File

xmlhttprequest/get.qml

    /****************************************************************************
    **
    ** Copyright (C) 2015 The Qt Company Ltd.
    ** Contact: http://www.qt.io/licensing/
    **
    ** This file is part of the examples of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:BSD$
    ** You may use this file under the terms of the BSD license as follows:
    **
    ** "Redistribution and use in source and binary forms, with or without
    ** modification, are permitted provided that the following conditions are
    ** met:
    **   * Redistributions of source code must retain the above copyright
    **     notice, this list of conditions and the following disclaimer.
    **   * Redistributions in binary form must reproduce the above copyright
    **     notice, this list of conditions and the following disclaimer in
    **     the documentation and/or other materials provided with the
    **     distribution.
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    **     contributors may be used to endorse or promote products derived
    **     from this software without specific prior written permission.
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    **
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    ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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    import QtQuick 2.0

    Rectangle {
        width: 350; height: 400

        function showRequestInfo(text) {
            log.text = log.text + "\n" + text
            console.log(text)
        }

        Text { id: log; anchors.fill: parent; anchors.margins: 10 }

        Rectangle {
            id: button
            anchors.horizontalCenter: parent.horizontalCenter; anchors.bottom: parent.bottom; anchors.margins: 10
            width: buttonText.width + 10; height: buttonText.height + 10
            border.width: mouseArea.pressed ? 2 : 1
            radius : 5; antialiasing: true

            Text { id: buttonText; anchors.centerIn: parent; text: "Request data.xml" }

            MouseArea {
                id: mouseArea
                anchors.fill: parent
                onClicked: {
                    log.text = ""
                    console.log("\n")

                    var doc = new XMLHttpRequest();
                    doc.onreadystatechange = function() {
                        if (doc.readyState == XMLHttpRequest.HEADERS_RECEIVED) {
                            showRequestInfo("Headers -->");
                            showRequestInfo(doc.getAllResponseHeaders ());
                            showRequestInfo("Last modified -->");
                            showRequestInfo(doc.getResponseHeader ("Last-Modified"));

                        } else if (doc.readyState == XMLHttpRequest.DONE) {
                            var a = doc.responseXML.documentElement;
                            for (var ii = 0; ii < a.childNodes.length; ++ii) {
                                showRequestInfo(a.childNodes[ii].nodeName);
                            }
                            showRequestInfo("Headers -->");
                            showRequestInfo(doc.getAllResponseHeaders ());
                            showRequestInfo("Last modified -->");
                            showRequestInfo(doc.getResponseHeader ("Last-Modified"));
                        }
                    }

                    doc.open("GET", "data.xml");
                    doc.send();
                }
            }
        }
    }