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property real dpi: Screen.pixelDensity.toFixed(2)
/* File generated by Qt Creator */
import QmlProject 1.1
Project {
mainFile: "main.qml"
/* Include .qml, .js, and image files from current directory and subdirectories */
QmlFiles {
directory: "."
}
JavaScriptFiles {
directory: "."
}
ImageFiles {
directory: "."
}
Files {
directory: "."
filter: "qmldir"
}
Files {
directory: "."
filter: "*.md"
}
// for Qt3D
Files {
directory: "."
filter: "*.vert"
}
Files {
directory: "."
filter: "*.frag"
}
Files {
directory: "."
filter: "*.obj"
}
Files {
directory: "."
filter: "*.3ds"
}
/* List of plugin directories passed to QML runtime */
// importPaths: [ "../exampleplugin" ]
}
function longtimeRunning(callback) {
var timeStart = Date.now();
callback();
return timeEnd - Date.now();
}
Qt.openUrlExternally("tel:10086")
Qt.openUrlExternally("sms:10086")
Qt.openUrlExternally("http://www.baidu.com")
Qt.openUrlExternally("mailto:qyvlik@qq.com")
安装后第一次运行软件时,系统会弹出提示用户是否允许软件获取当前位置,如果用户不允许的话,之后运行时系统不会在弹出提示设置,这点很不方便,有个解决办法是给用户一个选项,调出iphone中“设置”定位服务选项,由用户手动设置,调用系统“设置”中定位服务相关代码如下:
-(IBAction)btnSetting:(id)sender{
NSURL*url=[NSURL URLWithString:@"prefs:root=LOCATION_SERVICES"];
[[UIApplication sharedApplication] openURL:url];
}
还有其他调用系统设置的命令:
[font=]
About — prefs:root=General&path=About
Accessibility — prefs:root=General&path=ACCESSIBILITY
Airplane Mode On — prefs:root=AIRPLANE_MODE
Auto-Lock — prefs:root=General&path=AUTOLOCK
Brightness — prefs:root=Brightness
Bluetooth — prefs:root=General&path=Bluetooth
Date & Time — prefs:root=General&path=DATE_AND_TIME
FaceTime — prefs:root=FACETIME
General — prefs:root=General
Keyboard — prefs:root=General&path=Keyboard
iCloud — prefs:root=CASTLE
iCloud Storage & Backup — prefs:root=CASTLE&path=STORAGE_AND_BACKUP
International — prefs:root=General&path=INTERNATIONAL
Location Services — prefs:root=LOCATION_SERVICES
Music — prefs:root=MUSIC
Music Equalizer — prefs:root=MUSIC&path=EQ
Music Volume Limit — prefs:root=MUSIC&path=VolumeLimit
Network — prefs:root=General&path=Network
Nike + iPod — prefs:root=NIKE_PLUS_IPOD
Notes — prefs:root=NOTES
Notification — prefs:root=NOTIFICATIONS_ID
Phone — prefs:root=Phone
Photos — prefs:root=Photos
Profile — prefs:root=General&path=ManagedConfigurationList
Reset — prefs:root=General&path=Reset
Safari — prefs:root=Safari
Siri — prefs:root=General&path=Assistant
Sounds — prefs:root=Sounds
Software Update — prefs:root=General&path=SOFTWARE_UPDATE_LINK
Store — prefs:root=STORE
Twitter — prefs:root=TWITTER
Usage — prefs:root=General&path=USAGE
VPN — prefs:root=General&path=Network/VPN
Wallpaper — prefs:root=Wallpaper
Wi-Fi — prefs:root=WIFI
以上,可以通过 QML 中的
Qt.openUrlExternally("prefs:root=WIFI");
打开。
import QtQuick 1.0
Rectangle {
id: splashText
property string text: "Splash!"
width: 440; height: 160
property bool reverse: Math.random() > 0.5
color: Qt.rgba(0.5+0.5*Math.random(), 0.2+0.4*Math.random(),
0.2+0.2*Math.random())
transform: Rotation {
origin.x: splashText.width/2
origin.y: splashText.height/2
property real value: Math.random()
axis.x: Math.random() < 0.2 || value < 0.3
axis.y: Math.random() < 0.2 || value >= 0.3 && value < 0.7
axis.z: Math.random() < 0.2 || value >= 0.7
SequentialAnimation on angle {
loops: Animation.Infinite
NumberAnimation {
from: 0.0; to: reverse ? -20.0 : 20.0
duration: 500; easing.type: Easing.InOutQuad
}
NumberAnimation {
from: reverse ? -20.0 : 20.0; to: 0.0
duration: 500; easing.type: Easing.InOutQuad
}
}
}
Repeater {
model: 20
Rectangle {
height: Math.random()*parent.height
width: 0.4*Math.random()*parent.width
color: Qt.rgba(0.6+0.5*Math.random(), 0.4+0.4*Math.random(),
0.2+0.4*Math.random(), 0.5+0.5*Math.random())
x: Math.random() > 0.3 ? Math.random()*parent.width - width/2 :
Math.random()*width - width + (Math.random() > 0.5 ? parent.width : 0)
y: Math.random()*parent.height - height/2
}
}
Repeater {
model: 5
Text {
text: splashText.text
color: "white"
font.pixelSize: 70+Math.random()*10
anchors {
centerIn: parent
horizontalCenterOffset: 3*Math.random()
verticalCenterOffset: 4*Math.random()
}
}
}
}
Rectangle {
id:contair
width: rad * 2
height: rad * 2
color: backColor
radius: 720
property var run: true
property var arc: 230
property var backColor: "#00000000"
property var arcColor: "#5f8aa4"
property var fontColor: "#5f8aa4"
property var borderColor: "#5f8aa4"
property string txt: "Please Wait for a while."
property string endText: "The project has been loaded."
property var endWaitTime: 1200
property var rad: 250
property var arcWidth: 6
Text {
id:textInfo
font.pixelSize: 16
font.family: "微软雅黑"
anchors.centerIn: parent
color:fontColor
state: "runningText"
states:[
State{
name:"runningText"
changes: [
PropertyChanges {
target: textInfo;
text : txt
}
]
},
State{
name:"endingText"
when:hideText.complete()
changes: [
PropertyChanges {
target: textInfo;
text : endText
}
]
}
]
}
onArcChanged: canvas.requestPaint();
//结束动画
onRunChanged:
SequentialAnimation{
NumberAnimation{
id:hideText
target: textInfo
property: "opacity"
to:0
duration: 500
onStopped: textInfo.state = "endingText"
easing.type: Easing.InBack
}
NumberAnimation{
target: textInfo
property: "opacity"
to:1
duration: 500
easing.type: Easing.OutBack
onStopped: running.stop();
}
NumberAnimation {
target: contair
property: "endWaitTime"
duration: endWaitTime
to:0
}
ParallelAnimation{
NumberAnimation {
target: contair
property: "scale"
duration: 500
to:0.5
easing.type: Easing.InBack
}
NumberAnimation {
target: contair
property: "opacity"
duration: 500
to:0
easing.type: Easing.InBack
}
onStopped: contair.destroy()
}}
//加载动画
Component.onCompleted: ParallelAnimation{
NumberAnimation {
target: contair
property: "scale"
duration: 250
from: 0.5
to:1
easing.type: Easing.OutBack
}
NumberAnimation {
target: contair
property: "opacity"
duration: 250
from:0.5
to:1
easing.type: Easing.OutBack
}
onStopped: running.start()
}
NumberAnimation{
id: running
target: canvas
property: "rotation"
duration: 2000
to: 360
easing.type: Easing.Linear
onStopped: NumberAnimation {
id: toZero
target: canvas
property: "rotation"
duration: run != false ? 1 : 1000
to:0
easing.type: Easing.OutBack
onStopped: if(run != false) running.start();
}
}
MouseArea{
anchors.fill: parent
onClicked: run = false
}
Canvas{
id: canvas
anchors.fill: parent
contextType: "2d"
onPaint: {
var ctx = getContext("2d");
ctx.lineWidth = arcWidth
ctx.strokeStyle = arcColor
ctx.beginPath();
ctx.arc(rad,rad,rad - arcWidth,Math.PI/180 * 270,Math.PI/180 * arc,false);
ctx.stroke();
}
}
}
上诉代码为上海 Qt 开发群群友共享。
import QtQuick 2.0
Item {
width: 300
height: 150
//显示
Text{
id: textDateTime
text: currentDateTime();
anchors.centerIn: parent
}
//当前日期时间
function currentDateTime(){
return Qt.formatDateTime(new Date(), "yyyy-MM-dd hh:mm:ss.zzz ddd");
}
//定时器
Timer{
id: timer
interval: 1 //间隔(单位毫秒):1000毫秒=1秒
repeat: true //重复
onTriggered:{
textDateTime.text = currentDateTime();
}
}
Component.onCompleted: {
timer.start();
}
}
/*
Text元素用来显示日期时间,
currentDateTime函数用来获取当前日期时间,
Timer元素用来定时刷新,实现动态呈现.
*/
Animation 没有 finished 这个信号。
所以你无法在一个动画执行之后执行一个操作。
但是配合状态和过度,就可以这么做。
首先过度就是不同状态切换的时候,这之间的过场。
过场就会包含一些列动画(并行动画抑或序列动画)。
取序列动画而言。
在执行某个动画之后,你就想执行一个函数了,(例如这个函数的功能为改变某个属性)。
那么 ActionScript 绝对是你想要的。
如下代码示:
import QtQuick 2.0
Item {
Text {
id: text
text: "d"
MouseArea {
anchors.fill: parent
onClicked: {
text.state = "ChangeText"
}
}
states: [
State {
name: "ChangeText"
PropertyChanges {
target: text
x: 10
}
}
]
transitions: [
Transition {
from: "*"
to: "ChangeText"
SequentialAnimation {
NumberAnimation {
properties: "x"
duration: 1000
}
ScriptAction {
script: {
text.text = "ddd"
}
}
}
}
]
}
}
大体是在 AndroidManifest.xml
中填写:
<activity
<category android:name="android.intent.category.BROWSABLE" /><!-- 定义成浏览器类型,有URL需要处理时会过滤 -->
<data android:scheme="fyfeng" /><!-- 打开以fyfeng协议的URL,这个自己随便定义。 -->
比如通过文档查看器打开一个文本文件时,会弹出一个可用来打开的软件列表;
如何让自己的软件也出现在该列表中呢? 通过设置AndroidManifest.xml文件即可:
<activity android:name=".EasyNote" android:label="@string/app_name" android:launchMode="singleTask" android:screenOrientation="portrait">
< intent-filter>
< action android:name="android.intent.action.MAIN" />
< category android:name="android.intent.category.LAUNCHER" />
< /intent-filter>
<intent-filter>
< action android:name="android.intent.action.VIEW"></action>
< category android:name="android.intent.category.DEFAULT"></category>
< data android:mimeType="text/plain"></data>
< /intent-filter>
< /activity>
第一个标签是每个程序都有的,关键是要添加第二个!这样你的应用程序就会出现在默认打开列表了。。。
注意需要将mimeType修改成你需要的类型,文本文件当然就是:text/plain
还有其它常用的如:
text/plain(纯文本)
text/html(HTML文档)
application/xhtml+xml(XHTML文档)
image/gif(GIF图像)
image/jpeg(JPEG图像)【PHP中为:image/pjpeg】
image/png(PNG图像)【PHP中为:image/x-png】
video/mpeg(MPEG动画)
application/octet-stream(任意的二进制数据)
application/pdf(PDF文档)
application/msword(Microsoft Word文件)
message/rfc822(RFC 822形式)
multipart/alternative(HTML邮件的HTML形式和纯文本形式,相同内容使用不同形式表示)
application/x-www-form-urlencoded(使用HTTP的POST方法提交的表单)
multipart/form-data(同上,但主要用于表单提交时伴随文件上传的场合)
在 Windows 下 QML 媒体播放一般是调用系统的解码接口的,在比较旧的 QML 媒体播放类型,是使用 DirectShow
解码技术,比较新的 QML 媒体播放类型使用的是 Media Foundation
技术。
Media Foundation 是DirectShow为主的旧式多媒体应用程序接口的替代者与继承者,在微软的计划下将逐步汰换DirectShow技术。
当播放时打印类似如下错误:
DirectShowPlayerService::doRender: Unresolved error code ****
请安装 LAV Filters
,或者升级 Windows 的 Media Foundation
。
Supported Media Formats in Media Foundation
import QtQuick 2.0
Rectangle {
id: page
width: 100
height: 62
function handle() {
console.log(page, " : page")
}
MouseArea {
anchors.fill: parent
onClicked: page.destroy();
}
signal timeout()
onTimeout: console.log("here is qml timeout handle ", page);
Component.onCompleted: {
// 对象死亡之后,仍然会触发函数
singletonObject.timeout.connect(page.handle);
console.log("page.handle type :",typeof page.handle, "page.handle:", page.handle, "page.handle.connect: ",page.handle.connect);
// Error: Function.prototype.connect: this object is not a signal
page.handle.connect(function(){
console.log("尼玛,太贱了,在qml中,连函数都可以有信号的作用啊~,竟然可以使用connect连接,其实是不行的");
});
// 对象死亡之后,就会自动移除对象的信号!但是不会移除连接到其他信号的函数。
singletonObject.timeout.connect(page.timeout);
console.log("page.timeout type :", typeof page.timeout, "page.timeout", "page.timeout.connect:", page.timeout.connect);
}
}
ApplicationWindow {
title: qsTr("Hello World")
width: 640
height: 480
visible: true // 这个必须添加
}
ListView {
id: view
currentIndex: 0
clip: false //此属性的默认值是false,表示不会自动截掉超出显示区域的部分。桌面软件中应设置为true。
anchors.fill: parent
preferredHighlightBegin: 0
preferredHighlightEnd: 0
highlightMoveDuration: 250
highlightRangeMode: ListView.StrictlyEnforceRange
snapMode: ListView.SnapOneItem
boundsBehavior: ListView.StopAtBounds
orientation: ListView.Horizontal
model: itemModel
interactive: false // 此属性的默认值是true,表示用户可以拖动该对象。桌面软件中应设置为false。
Component.onCompleted: positionViewAtIndex(0, ListView.Beginning);
onCurrentIndexChanged: forceActiveFocus();
}
// Qt 中加密算法,一般返回二进制字符,要进行toHex。
TextField {
id: inputEmail
validator: RegExpValidator {
regExp: /^([a-zA-Z0-9]+[_|\_|\.]?)*[a-zA-Z0-9]+@([a-zA-Z0-9]+[_|\_|\.]?)*[a-zA-Z0-9]+\.[a-zA-Z]{2,3}$/
}
}
//! [file] C:\Users\Administrator\AppData\Local\QML\OfflineStorage\Databases
function saveImageToFile(item,fileName){
if(Qt.isQtObject(itme)){
return item.grabToImage(function(result){
// result QQuickItemGrabResult::saveToFile(QString)
// fileName 不能是file:// 开头!
result.saveToFile(fileName.toString());
});
} else {
throw item.toString()+"isn‘t a Qt or QML object";
}
}
有关qml中 destroy()
函数的使用问题,qml 对象调用销毁函数后,不是马上销毁,而是添加到 Qt 的事件循环中,在事件循环中删除。
import QtQuick 2.0
import QtQuick.Controls 1.2
Rectangle {
id: root
width: 300
height: 300
color: "red"
property Rectangle item1: Rectangle {
color: "blue"
width: 200
height: 200
Component.onDestruction: {
console.log("good bye");
}
}
Rectangle {
id: item2
color: "black"
width: 200
height: 200
anchors.bottom: parent.bottom
}
Row {
Button {
id: killItem1
text: "killItem1"
// 在第一次点击之后,item1的删除操作在下一个事务循环执行,
// 在本次事务循环中,还存在
// 在第二、三次之后的点击中,item1 已经是 null 了
onClicked: {
console.log(item1)
item1.destroy();
console.log(item1.color)
}
}
Button {
id: killItem2
text: "killItem2"
// 在第一次点击之后,item1的删除操作在下一个事务循环执行,
// 在本次事务循环中,还存在
// 在第二、三次之后的点击中,item1 已经是 null 了
onClicked: {
console.log(item2)
item2.destroy();
console.log(item2.color)
}
}
}
}
获取 ColumnLayout
和 RowLayout
的实际高宽度应该使用 implicitHeight
和 implicitWidth
。
implicitHeight
和 implicitWidth
,height
和 width
的区别。
注意qml中页面传参的方式!以及内部控件信号触发的方式。
qml对象是先完成内部子控件的创建,在完成自身的创建,所以信号是内部子控件先发射,根控件后发射。
动态组件创建,多数用于页面传参。页面传参最好在createObject这里设定。
ListView
使用注意,由于 ListView
是典型的 MVC
,只会实时跟进数据,但是对于视图,会尽可能的进行惰性渲染,就是视图超出视窗的部分会进行裁剪,销毁,不在后台维护这个视图。
例如:
ListView {
model: listModel
delegate: CheckBox {
text: listModelText
}
}
视图代理可以跟进数据的变化,但是一旦视图项超出视窗范围,就会进行销毁,例如,你点击了视图项中的 CheckBox
,你以为 ListView
会为你保存每个 CheckBox
的属性值,但是,并不会,ListView
对超出视窗部分的视图项进行销毁,当视图项进入视窗的时候重新构造。
可以使用另一个模型来存储数据,例如在多选模式下就可以这么做。
// 控制滚动速度
maximumFlickVelocity: 5000
按钮特效。
import QtQuick 2.4
ShaderEffect {
id: shaderEffect
width: 512; height: 128
// Properties that will get bound to a uniform with the same name in the shader
property color backgroundColor: "#10000000"
property color spreadColor: "#20000000"
property point normTouchPos
property real widthToHeightRatio: height / width
// Our animated uniform property
property real spread: 0
opacity: 0
ParallelAnimation {
id: touchStartAnimation
UniformAnimator {
uniform: "spread"; target: shaderEffect
from: 0; to: 1
duration: 1000; easing.type: Easing.InQuad
}
OpacityAnimator {
target: shaderEffect
from: 0; to: 1
duration: 50; easing.type: Easing.InQuad
}
}
ParallelAnimation {
id: touchEndAnimation
UniformAnimator {
uniform: "spread"; target: shaderEffect
from: spread; to: 1
duration: 1000; easing.type: Easing.OutQuad
}
OpacityAnimator {
target: shaderEffect
from: 1; to: 0
duration: 1000; easing.type: Easing.OutQuad
}
}
fragmentShader: "
varying mediump vec2 qt_TexCoord0;
uniform lowp float qt_Opacity;
uniform lowp vec4 backgroundColor;
uniform lowp vec4 spreadColor;
uniform mediump vec2 normTouchPos;
uniform mediump float widthToHeightRatio;
uniform mediump float spread;
void main() {
// Pin the touched position of the circle by moving the center as
// the radius grows. Both left and right ends of the circle should
// touch the item edges simultaneously.
mediump float radius = (0.5 + abs(0.5 - normTouchPos.x)) * 1.0 * spread;
mediump vec2 circleCenter =
normTouchPos + (vec2(0.5) - normTouchPos) * radius * 2.0;
// Calculate everything according to the x-axis assuming that
// the overlay is horizontal or square. Keep the aspect for the
// y-axis since we‘re dealing with 0..1 coordinates.
mediump float circleX = (qt_TexCoord0.x - circleCenter.x);
mediump float circleY = (qt_TexCoord0.y - circleCenter.y) * widthToHeightRatio;
// Use step to apply the color only if x2*y2 < r2.
lowp vec4 tapOverlay =
spreadColor * step(circleX*circleX + circleY*circleY, radius*radius);
gl_FragColor = (backgroundColor + tapOverlay) * qt_Opacity;
}
"
function touchStart(x, y) {
normTouchPos = Qt.point(x / width, y / height)
touchEndAnimation.stop()
touchStartAnimation.start()
}
function touchEnd() {
touchStartAnimation.stop()
touchEndAnimation.start()
}
// For this demo‘s purpose, in practice we‘ll use a MouseArea
Timer { id: touchEndTimer; interval: 125; onTriggered: touchEnd() }
Timer {
running: true; repeat: true
onTriggered: {
touchStart(width*0.8, height*0.66)
touchEndTimer.start()
}
}
}
> QML on Android,有使用到 Java 的下载类,可以研究一番。
> [MusicGear](https://github.com/Iktwo/musicgear/blob/master/android/src/com/iktwo/musicgear/MusicGear.java) 这个类有许多用的代码,可以给 Qt 应用交互使用。
```
public static void download(String url, String name)
{
Log.v(TAG, "download(" + url + ", " + name + ")");
dm = (DownloadManager) m_instance.getSystemService(DOWNLOAD_SERVICE);
Request request = new Request(Uri.parse(url));
request.setTitle(name);
request.setDescription(url);
request.allowScanningByMediaScanner();
request.setNotificationVisibility(Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
request.setDestinationInExternalPublicDir(Environment.DIRECTORY_MUSIC, name + ".mp3");
dm.enqueue(request);
}
public static void share(String name, String url)
{
Intent share = new Intent(android.content.Intent.ACTION_SEND);
share.setType("text/plain");
share.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
share.putExtra(Intent.EXTRA_SUBJECT, name);
if (!name.isEmpty()) {
share.putExtra(Intent.EXTRA_TEXT, name + " - " + url + " via Musicgear");
m_instance.startActivity(Intent.createChooser(share, "Share " + name));
} else {
share.putExtra(Intent.EXTRA_TEXT, url + " via Musicgear");
m_instance.startActivity(Intent.createChooser(share, "Share this music"));
}
}
public static void toast(final String message)
{
m_instance.runOnUiThread(new Runnable() {
public void run() {
Toast.makeText(m_instance.getApplicationContext(), message, Toast.LENGTH_SHORT).show();
}
});
}
```
沉浸式任务栏
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// setContentView(0x7f020000);
mTintManager = new SystemBarTintManager(this);
mTintManager.setStatusBarTintEnabled(true);
mTintManager.setNavigationBarTintEnabled(true);
// int selected = 0xFF7F00;
// int color = Color.argb(100,
// Color.red(selected),
// Color.green(selected),
// Color.blue(selected));
// mTintManager.setTintColor(color);
//! [0]
//! 让整个 Activity 覆盖整个屏幕
//! 并且系统栏位于整个 Activity 的上层
getWindow()
.getDecorView()
.setSystemUiVisibility(
View.SYSTEM_UI_FLAG_LAYOUT_STABLE |
View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
//! [0]
//! [1]
//! 设置系统的状态栏为透明
//! 这两句必须
//! 后续要拿到系统状态栏高度。
getWindow().setStatusBarColor(Color.TRANSPARENT);
getWindow().setNavigationBarColor(Color.TRANSPARENT);
//! [1]
}
import QtQuick 2.4
import QtQuick.Controls 1.3
import QtQuick.Window 2.2
import QtQuick.Dialogs 1.2
import QtGraphicalEffects 1.0
// 圆角图片效果
ApplicationWindow {
title: qsTr("Hello World")
width: 640
height: 480
visible: true
color: "#555555"
Image {
id: bug
source: "qrc:/QQ截图20150930185642.png"
sourceSize: Qt.size(parent.width, parent.height)
smooth: true
visible: false
width: 200
height:200
x:20
y:20
}
Rectangle {
id: mask
smooth: true
visible: false
width: 200
height: 200
anchors.centerIn: bug
radius: width/2
}
OpacityMask {
anchors.fill: bug
source: bug
maskSource: mask
}
Image {
id: bug1
source: "qrc:/bbbbb.png"
sourceSize: Qt.size(parent.width, parent.height)
smooth: true
visible: false
width: 200
height:200
anchors.right:parent.right
y:20
}
Rectangle {
id: mask1
smooth: true
visible: false
width: 200
height: 200
anchors.centerIn: bug1
radius: width/3
}
OpacityMask {
anchors.fill: bug1
source: bug1
maskSource: mask1
}
}
继承 QAbstractListModel
并重写如下三个虚函数。
enum Roles{
NameRole = Qt::UserRole + 1,
AgeRole
};
int rowCount(const QModelIndex &parent) const;
QVariant data(const QModelIndex &index, int role) const;
QHash<int, QByteArray> roleNames() const;
int TestModel::rowCount(const QModelIndex &parent) const
{
Q_UNUSED(parent)
return m_datas.length();
}
QVariant TestModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid() || index.row() < 0)
return QVariant();
if (index.row() >= m_datas.count()) {
qWarning() << "SatelliteModel: Index out of bound";
return QVariant();
}
const Dao &dao = m_datas.at(index.row());
switch (role)
{
case NameRole:
return dao.name();
case AgeRole:
return dao.age();
default:
break;
}
return QVariant();
}
QHash<int, QByteArray> TestModel::roleNames() const
{
QHash<int, QByteArray> roleNames;
roleNames.insert(NameRole, "NameRole");
roleNames.insert(AgeRole, "AgeRole");
return roleNames;
}
encodeURI,encodeURIComponent,deocodeURI,decodeURIComponent,在qt quick中都可以用。
/*
* Copyright (c) <2015> <copyright qyvlik>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
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原文地址:http://blog.csdn.net/qyvlik/article/details/51226005