{"id":73467,"date":"2026-02-07T17:06:22","date_gmt":"2026-02-07T09:06:22","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/73467.html"},"modified":"2026-02-07T17:06:22","modified_gmt":"2026-02-07T09:06:22","slug":"qt-%e5%b8%b8%e7%94%a8%e6%8e%a7%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/73467.html","title":{"rendered":"Qt\u2014\u2014\u5e38\u7528\u63a7\u4ef6"},"content":{"rendered":"

\u76ee\u5f55<\/p>\n

\u6309\u94ae\u7c7b\u63a7\u4ef6<\/p>\n

QPushButton<\/p>\n

\u8bbe\u7f6e\u6309\u94ae\u6587\u672c<\/p>\n

\u7ed9\u6309\u94ae\u8bbe\u7f6e\u56fe\u6807<\/p>\n

\u8bbe\u7f6e\u6309\u94ae\u5feb\u6377\u952e<\/p>\n

\u8bbe\u7f6e\u6309\u94ae\u91cd\u590d\u89e6\u53d1<\/p>\n

QRadioButton<\/p>\n

\u8bbe\u7f6e\u9009\u9879\u662f\u5426\u88ab\u9009\u4e2d<\/p>\n

\u8bbe\u7f6e\u9009\u9879\u662f\u5426\u53ef\u4ee5\u9009\u4e2d<\/p>\n

\u8bbe\u7f6e\u9009\u9879\u7981\u7528<\/p>\n

\u8bbe\u7f6e\u9009\u9879\u662f\u5426\u6392\u4ed6<\/p>\n

\u5c06\u9009\u9879\u5206\u7ec4<\/p>\n

\u9898\u5916\u8bdd-\u6309\u94ae(\u9009\u9879)\u76f8\u5173\u7684\u4fe1\u53f7<\/p>\n

QCheckBox<\/p>\n

\u00a0\u8bbe\u7f6e\u9009\u9879\u662f\u5426\u88ab\u9009\u4e2d<\/p>\n

\u8bbe\u7f6e\u9009\u9879\u662f\u5426\u53ef\u4ee5\u9009\u4e2d<\/p>\n

\u663e\u793a\u7c7b\u63a7\u4ef6<\/p>\n

QLabel<\/p>\n

\u8bbe\u7f6e\u6587\u672c\u5185\u5bb9<\/p>\n

\u8bbe\u7f6elabel\u6587\u672c\u7684\u683c\u5f0f<\/p>\n

\u7ed9label\u6dfb\u52a0\u56fe\u7247<\/p>\n

\u8bbe\u7f6e\u5185\u5bb9(\u4e3b\u8981\u6307\u56fe\u7247)\u81ea\u52a8\u62c9\u4f38\u586b\u5145\u6574\u4e2alabel<\/p>\n

\u8bbe\u7f6e\u6587\u672c\u5bf9\u9f50\u65b9\u5f0f<\/p>\n

\u8bbe\u7f6e\u6587\u672c\u81ea\u52a8\u6362\u884c<\/p>\n

\u8bbe\u7f6e\u6587\u672c\u7f29\u8fdb<\/p>\n

\u8bbe\u7f6e\u5185\u90e8\u6587\u672c\u548c\u6587\u672c\u6846\u7684\u8fb9\u8ddd<\/p>\n

\u8bbe\u7f6e\u6807\u7b7e\u7684\u4f19\u4f34<\/p>\n

QLCDNumber<\/p>\n

\u9898\u5916\u8bdd\u2014\u2014\u5173\u4e8eQt\u4e2d\u7ebf\u7a0b\u4fee\u6539\u754c\u9762<\/p>\n

QProgressBar<\/p>\n

QCalendarWidget<\/p>\n

\u8f93\u5165\u7c7b\u63a7\u4ef6<\/p>\n

QLineEdit<\/p>\n

\u9898\u5916\u8bdd\u2014\u2014\u5173\u4e8e\u6b63\u5219\u8868\u8fbe\u5f0f\u9a8c\u8bc1\u8f93\u5165\u6846\u6570\u636e<\/p>\n

QTextEdit<\/p>\n

QComboBox<\/p>\n

QSpinBox<\/p>\n

QDateTimeEdit<\/p>\n

QDial<\/p>\n

QSlider<\/p>\n

\u9898\u5916\u8bdd\u2014\u2014\u7ed9Qslider\u8bbe\u7f6e\u5feb\u6377\u952e<\/p>\n

\u591a\u5143\u7d20\u63a7\u4ef6<\/p>\n

QListWidget<\/p>\n

QTableWidget<\/p>\n

QTreeWidget<\/p>\n

\u5bb9\u5668\u7c7b\u63a7\u4ef6<\/p>\n

QGroupBox<\/p>\n

QTabWidget<\/p>\n

\u5e03\u5c40\u7ba1\u7406\u5668<\/p>\n

QVBoxLayout（\u5782\u76f4\u5e03\u5c40\u7ba1\u7406\u5668）<\/p>\n

QHBoxLayout(\u6c34\u5e73\u5e03\u5c40\u7ba1\u7406\u5668)<\/p>\n

QGridLayout<\/p>\n

\u9898\u5916\u8bdd\u2014\u2014\u63a7\u4ef6\u5927\u5c0f\u7b56\u7565\u5bf9\u5e03\u5c40\u7684\u5f71\u54cd<\/p>\n

QFormLayout（\u8868\u5355\u5e03\u5c40\u7ba1\u7406\u5668）<\/p>\n

QSpacerItem<\/p>\n

\n

\u6309\u94ae\u7c7b\u63a7\u4ef6<\/span><\/h2>\n

QPushButton<\/span><\/h3>\n

\u8bbe\u7f6e\u6309\u94ae\u6587\u672c<\/span><\/h4>\n

ui->pushButton->setText(QString("\u8fd9\u662f\u4e00\u4e2a\u6309\u94ae")); <\/p>\n

\u7ed9\u6309\u94ae\u8bbe\u7f6e\u56fe\u6807<\/span><\/h4>\n

QIcon icon(":\/rose.jpg");
\n ui->pushButton->setIcon(icon);\/\/\u7ed9\u6309\u94ae\u8bbe\u7f6e\u56fe\u6807
\n ui->pushButton->setIconSize(QSize(20,20));\/\/\u8bbe\u7f6e\u56fe\u6807\u5c3a\u5bf8 <\/p>\n

\u8bbe\u7f6e\u6309\u94ae\u5feb\u6377\u952e<\/span><\/h4>\n

ui->a->setShortcut(QKeySequence("ctrl+w"));\/\/\u7ec4\u5408\u952ectrl+w
\nui->b->setShortcut(QKeySequence("w"));\/\/\u5b57\u6bcdw\u662f\u5feb\u6377\u952e
\nui->c->setShortcut(QKeySequence(Qt::Key_C));\/\/\u5b57\u6bcdC\u662f\u5feb\u6377\u952e
\nui->d->setShortcut(QKeySequence(Qt::CTRL+Qt::Key_S));\/\/\u7ec4\u5408\u952ectrl+s <\/p>\n

\u8bbe\u7f6e\u6309\u94ae\u91cd\u590d\u89e6\u53d1<\/span><\/h4>\n

ui->c->setAutoRepeat(true);\/\/\u5f00\u542f\u6309\u94ae\u70b9\u51fb\u7684\u91cd\u590d\u89e6\u53d1
\nui->c->setAutoRepeatDelay(1000);\/\/\u4ee5ms\u4e3a\u5355\u4f4d，\u8bbe\u7f6e\u6309\u4f4f\u591a\u4e45\u4e4b\u540e\u5f00\u59cb\u91cd\u590d\u89e6\u53d1
\nui->c->setAutoRepeatInterval(500);\/\/\u8bbe\u7f6e\u5f00\u59cb\u91cd\u590d\u51fa\u53d1\u540e\u6bcf\u6b21\u95f4\u9694\u591a\u4e45\u89e6\u53d1\u4e00\u6b21 <\/p>\n

\n

QRadioButton<\/span><\/h3>\n

\u8bbe\u7f6e\u9009\u9879\u662f\u5426\u88ab\u9009\u4e2d<\/span><\/h4>\n

ui->a->setChecked(true); <\/p>\n

\u8bbe\u7f6e\u9009\u9879\u662f\u5426\u53ef\u4ee5\u9009\u4e2d<\/span><\/h4>\n

ui->a->setCheckable(false);
\n\/\/\u5373\u4f7f\u8bbe\u7f6e\u4e86\u65e0\u6cd5\u9009\u4e2d，\u4e5f\u4f1a\u53d1\u9001\u4fe1\u53f7，\u6267\u884c\u69fd <\/p>\n

\u8bbe\u7f6e\u9009\u9879\u7981\u7528<\/span><\/h4>\n

ui->a->setEnabled(false);
\n\/\/\u5b8c\u5168\u7981\u7528\u9009\u9879，\u4e0d\u4f1a\u53d1\u9001\u4fe1\u53f7 <\/p>\n

\u8bbe\u7f6e\u9009\u9879\u662f\u5426\u6392\u4ed6<\/span><\/h4>\n

ui->a->setAutoExclusive(false);
\n\/\/\u9ed8\u8ba4\u5c31\u662f\u6392\u4ed6\u7684
\n\/\/\u6392\u4ed6\u610f\u5473\u7740，\u4e00\u65e6\u9009\u4e86\u8fd9\u4e2a\u9009\u9879，\u5176\u4ed6\u7684\u9009\u9879\u4e0d\u80fd\u88ab\u9009\u62e9，\u5df2\u7ecf\u88ab\u9009\u62e9\u7684\u4f1a\u53d6\u6d88\u9009\u62e9 <\/p>\n

\u5c06\u9009\u9879\u5206\u7ec4<\/span><\/h4>\n

\u5206\u7ec4\u4e4b\u540e\u7ec4\u5408\u7ec4\u4e4b\u95f4\u7684\u9009\u9879\u4e92\u4e0d\u5f71\u54cd，\u6bd4\u5982\u6392\u4ed6\u6027<\/span><\/p>\n

QButtonGroup *group1 = new QButtonGroup(this);
\n QButtonGroup *group2 = new QButtonGroup(this);<\/p>\n

\/\/\u628aa,b,c\u6309\u94ae\u6dfb\u52a0\u5230\u7ec41
\n group1->addButton(ui->a);
\n group1->addButton(ui->b);
\n group1->addButton(ui->c);<\/p>\n

\/\/\u628ad,e,f\u6309\u94ae\u6dfb\u52a0\u5230\u7ec42
\n group2->addButton(ui->d);
\n group2->addButton(ui->e);
\n group2->addButton(ui->f); <\/p>\n

\u53ef\u89c1\u5206\u7ec4\u662f\u4f7f\u7528QButtonGroup\u7c7b\u8fdb\u884c\u7684<\/span><\/p>\n

\n

\u9898\u5916\u8bdd-\u6309\u94ae(\u9009\u9879)\u76f8\u5173\u7684\u4fe1\u53f7<\/span><\/h3>\n

\"\"<\/p>\n

\u4e0a\u9762\u662fQt\u63d0\u4f9b\u76845\u79cd\u5173\u4e8e\u6309\u94ae\u70b9\u51fb\u540e\u53d1\u51fa\u7684\u4fe1\u53f7，\u4ed6\u4eec\u7684\u542b\u4e49\u5206\u522b\u662f：<\/span><\/p>\n

  • clicked():\u9f20\u6807\u70b9\u51fb\u6309\u94ae\u53c8\u677e\u5f00\u540e\u89e6\u53d1<\/span><\/li>\n
  • clicked(bool)：\u8fd9\u4e2a\u4e00\u822c\u662f\u9009\u9879\u6309\u94ae\u4f7f\u7528，\u9f20\u6807\u70b9\u51fb\u6309\u94ae\u53c8\u677e\u5f00\u540e\u89e6\u53d1，\u8fd8\u4f1a\u628a\u70b9\u51fb\u540e\u9009\u9879\u7684\u72b6\u6001（\u662f\u5426\u9009\u4e2d）\u4f5c\u4e3a\u53c2\u6570\u4f20\u7ed9\u69fd<\/span><\/li>\n
  • pressed()：\u9f20\u6807\u70b9\u51fb\u6309\u94ae\u5e76\u5728<\/span>\u677e\u5f00\u4e4b\u524d<\/span>\u677e\u5f00\u5c31\u89e6\u53d1<\/span><\/li>\n
  • released()：\u9f20\u6807\u70b9\u51fb\u6309\u94ae\u5728<\/span>\u677e\u5f00\u4e4b\u540e<\/span>\u89e6\u53d1<\/span><\/li>\n
  • toggled(bool)：\u9f20\u6807\u70b9\u51fb\u540e\u5982\u679c<\/span>\u9009\u9879\u72b6\u6001\u6539\u53d8\u624d\u88ab\u89e6\u53d1<\/span>（\u6bd4\u5982\u4ece\u9009\u4e2d\u53d8\u6210\u672a\u9009\u4e2d），\u5e76\u628a\u6539\u53d8\u540e\u7684\u72b6\u6001\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u69fd<\/span><\/li>\n
    \n

    QCheckBox<\/span><\/h3>\n

    \u00a0\u8bbe\u7f6e\u9009\u9879\u662f\u5426\u88ab\u9009\u4e2d<\/span><\/h4>\n

    ui->a->setChecked(true); <\/p>\n

    \u8bbe\u7f6e\u9009\u9879\u662f\u5426\u53ef\u4ee5\u9009\u4e2d<\/span><\/h4>\n

    ui->a->setCheckable(false);
    \n\/\/\u5373\u4f7f\u8bbe\u7f6e\u4e86\u65e0\u6cd5\u9009\u4e2d，\u4e5f\u4f1a\u53d1\u9001\u4fe1\u53f7，\u6267\u884c\u69fd <\/p>\n

    \u5224\u65ad\u9009\u9879\u662f\u5426\u88ab\u9009\u4e2d<\/span><\/p>\n

    ui->a->isChecked() <\/p>\n

    \u6ce8：QCheckBox\u9ed8\u8ba4\u662f\u4e0d\u6392\u4ed6<\/span><\/p>\n

    \n

    \u663e\u793a\u7c7b\u63a7\u4ef6<\/span><\/h2>\n

    QLabel<\/span><\/h3>\n

    \u8bbe\u7f6e\u6587\u672c\u5185\u5bb9<\/span><\/h4>\n

    ui->label->setText("haha"); <\/p>\n

    \u8bbe\u7f6elabel<\/span>\u6587\u672c\u7684\u683c\u5f0f<\/span><\/h4>\n

    ui->label1->setTextFormat(Qt::PlainText);\/\/\u7eaf\u6587\u672c\u683c\u5f0f
    \nui->label2->setTextFormat(Qt::RichText);\/\/\u5bcc\u6587\u672c（html\u683c\u5f0f）
    \nui->label3->setTextFormat(Qt::MarkdownText);\/\/Markdown\u6587\u672c\u683c\u5f0f<\/p>\n

    ui->label1->setText("\u8fd9\u662f\u7eaf\u6587\u672c");
    \nui->label2->setText("<b>\u8fd9\u662f\u5bcc\u6587\u672c<\/b>");\/\/\u4f1a\u6309\u7167html\u8bed\u6cd5\u89e3\u6790\u5e76\u663e\u793a\u51fa\u76f8\u5e94\u6837\u5f0f\u7684\u6587\u672c
    \nui->label3->setText("# \u8fd9\u662fMarkdown\u6587\u672c");\/\/\u4f1a\u6309\u7167Markdown\u8bed\u6cd5\u89e3\u6790\u5e76\u663e\u793a\u51fa\u76f8\u5e94\u6837\u5f0f\u7684\u6587\u672c <\/p>\n

    \u7ed9label\u6dfb\u52a0\u56fe\u7247<\/span><\/h4>\n

    QPixmap pix(":\/rose.jpg");
    \nlabel->setPixmap(pix); <\/p>\n

    \u8bbe\u7f6e\u5185\u5bb9(\u4e3b\u8981\u6307\u56fe\u7247)\u81ea\u52a8\u62c9\u4f38\u586b\u5145\u6574\u4e2alabel<\/span><\/h4>\n

    label->setScaledContents(true); <\/p>\n

    \u8bbe\u7f6e\u6587\u672c\u5bf9\u9f50\u65b9\u5f0f<\/span><\/h4>\n

    ui->label_1->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);\/\/\u6c34\u5e73\u5782\u76f4\u5c45\u4e2d
    \nui->label_2->setAlignment(Qt::AlignRight);\/\/\u9760\u53f3\u5bf9\u9f50
    \nui->label_3->setAlignment(Qt::AlignLeft | Qt::AlignTop);\/\/\u5de6\u4e0a\u5bf9\u9f50
    \nui->label_4->setAlignment(Qt::AlignBottom);\/\/\u9760\u4e0b\u5bf9\u9f50 <\/p>\n

    \u6548\u679c\u5982\u4e0b：<\/span><\/p>\n

    \"\"<\/p>\n

    \n

    \u8bbe\u7f6e\u6587\u672c\u81ea\u52a8\u6362\u884c<\/span><\/h4>\n

    ui->label_1->setWordWrap(true); <\/p>\n

    \u4e00\u822c\u6765\u8bf4\u6587\u672c\u957f\u5ea6\u8d85\u8fc7label\u7684width\u540e\u5c31\u4f1a\u663e\u793a\u4e0d\u51fa\u6765，\u81ea\u52a8\u6362\u884c\u5c31\u662f\u8ba9\u8d85\u51fa\u7684\u6587\u672c\u5728\u4e0b\u4e00\u884c\u663e\u793a\u3002<\/span><\/p>\n

    \n

    \u8bbe\u7f6e\u6587\u672c\u7f29\u8fdb<\/span><\/h4>\n

    ui->label_1->setIndent(20);\/\/ \u5355\u4f4d\u662f\u50cf\u7d20 <\/p>\n

    \u5982\u679c\u8bbe\u7f6e\u4e86\u6362\u884c，\u6bcf\u4e00\u884c\u90fd\u4f1a\u6709\u7f29\u8fdb<\/span><\/p>\n

    <\/h4>\n
    \n

    \u8bbe\u7f6e\u5185\u90e8\u6587\u672c\u548c\u6587\u672c\u6846\u7684\u8fb9\u8ddd<\/span><\/h4>\n

    ui->label_1->setMargin(10);\/\/\u5355\u4f4d\u662f\u50cf\u7d20 <\/p>\n

    \u6587\u672c\u5185\u5bb9\u4e0a\u4e0b\u5de6\u53f3\u65b9\u5411\u548c\u6587\u672c\u6846\u7684\u8ddd\u79bb<\/span><\/p>\n

    \n

    \u8bbe\u7f6e\u6807\u7b7e\u7684\u4f19\u4f34<\/span><\/h4>\n

    ui->c->setText("&A");\/\/\u628a\u6807\u7b7e\u6587\u672c\u8bbe\u7f6e\u6210"&"+\u5b57\u6bcd
    \nui->c->setBuddy(ui->a);\/\/\u8bbe\u7f6e\u6807\u7b7e\u7684\u4f19\u4f34\u4e3a\u4e00\u4e2a\u6309\u94ae，\u8fd9\u6837\u53ef\u4ee5\u901a\u8fc7Alt+A\u7684\u65b9\u5f0f\u6fc0\u6d3b\u6807\u7b7e\u7684\u4f19\u4f34\u5373\u8be5\u6309\u94ae <\/p>\n

    \u6ce8：QLabel\u6ca1\u6709\u6eda\u52a8\u6761<\/p>\n

    \n

    QLCDNumber<\/span><\/h3>\n

    \u8fd9\u91cc\u6211\u4eec\u53ea\u5c55\u793a\u4e00\u4e2a\u4f7f\u7528QLCDNumber\u7684\u5012\u8ba1\u65f6\u793a\u4f8b：<\/span><\/p>\n

    Widget::Widget(QWidget *parent)
    \n : QWidget(parent)
    \n , ui(new Ui::Widget)
    \n{
    \n ui->setupUi(this);<\/p>\n

    timer = new QTimer(this);\/\/\u521b\u5efa\u5b9a\u65f6\u5668\u5bf9\u8c61，\u8be5\u5b9a\u65f6\u5668\u81ea\u5e26\u4e00\u79cd\u4fe1\u53f7timout()
    \n ui->number->display(10);\/\/\u8bbe\u7f6eQLCDNumber\u7684\u503c\u4e3a10<\/p>\n

    connect(timer,&QTimer::timeout,this,&Widget::handler);\/\/\u628a\u5b9a\u65f6\u5668\u7684\u4fe1\u53f7\u548c\u69fd\u5173\u8054\u8d77\u6765<\/p>\n

    timer->start(1000);\/\/\u8ba9\u5b9a\u65f6\u5668\u5f00\u59cb\u53d1\u4fe1\u53f7，\u5e76\u8bbe\u7f6e\u4fe1\u53f7\u53d1\u5c04\u7684\u65f6\u95f4\u95f4\u9694，ms\u4e3a\u5355\u4f4d
    \n}<\/p>\n

    void Widget::handler()
    \n{
    \n ui->number->display(ui->number->intValue()-1);\/\/\u6bcf\u96941\u79d2\u51cf\u4e00
    \n if(ui->number->intValue() == 0)
    \n {
    \n timer->stop();\/\/\u8ba9\u5b9a\u65f6\u5668\u505c\u6b62\u53d1\u9001\u4fe1\u53f7
    \n }
    \n} <\/p>\n

    \u4e0b\u9762\u662f\u4ed6\u7684\u5176\u4ed6\u4e3b\u8981\u5c5e\u6027，\u8981\u8bbe\u7f6e\u7684\u65f6\u5019\u76f4\u63a5\u4f7f\u7528set+\u5c5e\u6027\u540d(\u9996\u5b57\u6bcd\u5927\u5199\u5373\u53ef)：<\/span><\/p>\n

    \"\"<\/p>\n

    \u6ce8：QLCDNumber\u4e2d\u6709value (double\u7c7b\u578b)\u548c intValue\u4e24\u4e2a\u5c5e\u6027\u8868\u793a\u503c，\u4e14\u4ed6\u4eec\u662f\u8054\u52a8\u7684，\u6bd4\u5982value\u4e3a1.5，inValue\u5c31\u4e3a2\u3002\u8bbe\u7f6eQLCDNumber\u4e2dvalue \u548c intValue\u7684\u2f45\u6cd5\u540d\u5b57\u4e3adisplay , \u800c\u4e0d\u662fsetValue<\/span>\u6216\u8005setIntValue\u3002<\/span><\/p>\n

    \n

    \u9898\u5916\u8bdd\u2014\u2014\u5173\u4e8eQt\u4e2d\u7ebf\u7a0b\u4fee\u6539\u754c\u9762<\/span><\/h3>\n

    \u5728Qt\u4e2d\u4e3a\u4e86\u9632\u6b62\u7ebf\u7a0b\u5e72\u6270，\u53ea\u6709\u4e3b\u7ebf\u7a0b\u624d\u80fd\u4fee\u6539\u754c\u9762（\u4f46\u53ef\u4ee5\u521b\u5efa\u7ebf\u7a0b）<\/span>，QApplication\u5bf9\u8c61\u5728main\u51fd\u6570\u8c03\u7528exec\u51fd\u6570\u540e，\u4e3b\u7ebf\u7a0b\u5f00\u59cb\u65f6\u95f4\u5faa\u73af，\u4f9d\u6b64\u5904\u7406\u5bf9\u754c\u9762\u7684\u4fee\u6539\u4efb\u52a1<\/span>（<\/span>\u8fd9\u610f\u5473\u7740\u4ed6\u662f\u5355\u7ebf\u7a0b\u5904\u7406\u6240\u6709\u4e8b\u4ef6\u7684，\u4e00\u4f46\u67d0\u4e8b\u4ef6\u82b1\u8d39\u8f83\u957f\u65f6\u95f4\u5c31\u4f1a\u963b\u585e<\/span>）<\/span>，\u56e0\u6b64\u7ebf\u7a0b+sleep\u5b9e\u73b0\u5012\u8ba1\u65f6\u7684\u65b9\u6cd5\u884c\u4e0d\u901a\u3002<\/span><\/p>\n

    QProgressBar<\/span><\/h3>\n

    \u901a\u8fc7\u4e00\u4e2a\u8fdb\u5ea6\u6761\u7a0b\u5e8f\u6765\u4e86\u89e3\u5b83\u7684\u57fa\u672c\u4f7f\u7528<\/span>，\u8981\u8bbe\u7f6e\u7684\u65f6\u5019\u76f4\u63a5\u4f7f\u7528set+\u5c5e\u6027\u540d(\u9996\u5b57\u6bcd\u5927\u5199\u5373\u53ef)<\/span>：<\/span><\/p>\n

    Widget::Widget(QWidget *parent)
    \n : QWidget(parent)
    \n , ui(new Ui::Widget)
    \n{
    \n ui->setupUi(this);<\/p>\n

    \/\/\u8fdb\u5ea6\u6761\u5bf9\u4e8e\u6837\u5f0f\u7684\u8bbe\u7f6e\u6709\u7279\u5b9a\u7684\u683c\u5f0f\u5c31\u50cf\u4e0b\u9762
    \n ui->progressBar->setStyleSheet("QProgressBar::chunk {background-color: #05B8CC;}");
    \n timer = new QTimer(this);\/\/\u521b\u5efa\u5b9a\u65f6\u5668\u5bf9\u8c61，\u8be5\u5b9a\u65f6\u5668\u81ea\u5e26\u4e00\u79cd\u4fe1\u53f7timout()
    \n connect(timer,&QTimer::timeout,this,&Widget::handler);\/\/\u628a\u5b9a\u65f6\u5668\u7684\u4fe1\u53f7\u548c\u69fd\u5173\u8054\u8d77\u6765<\/p>\n

    timer->start(100);\/\/\u8ba9\u5b9a\u65f6\u5668\u5f00\u59cb\u53d1\u4fe1\u53f7，\u5e76\u8bbe\u7f6e\u4fe1\u53f7\u53d1\u5c04\u7684\u65f6\u95f4\u95f4\u9694
    \n}<\/p>\n

    void Widget::handler()
    \n{
    \n ui->progressBar->setValue(ui->progressBar->value()+1);\/\/\u8ba9\u8fdb\u5ea6\u6761\u7684\u503c+1
    \n if(ui->progressBar->value() == 0)
    \n {
    \n timer->stop();\/\/\u8ba9\u5b9a\u65f6\u5668\u505c\u6b62\u53d1\u9001\u4fe1\u53f7
    \n }
    \n} <\/p>\n

    \u4e0b\u9762\u662f\u5b83\u7684\u4e3b\u8981\u5c5e\u6027：<\/span><\/p>\n

    \"\"<\/p>\n

    \n

    QCalendarWidget<\/span><\/h3>\n

    \u901a\u8fc7\u4e00\u4e2a\u793a\u4f8b\u6211\u4eec\u4f7f\u7528\u4e00\u4e0bQCalendarWidget：<\/span><\/p>\n

    \/\/\u8fd9\u662f\u65e5\u671f\u9009\u62e9\u6539\u53d8\u7684\u69fd\u51fd\u6570
    \nvoid Widget::on_calendarWidget_selectionChanged()
    \n{
    \n \/\/\u83b7\u53d6\u5f53\u524d\u9009\u62e9\u7684\u65e5\u671f
    \n QDate date = ui->calendarWidget->selectedDate();
    \n \/\/\u5c06\u5f53\u524d\u9009\u4e2d\u7684\u65e5\u671f\u663e\u793a\u5230\u6807\u7b7e\u4e0a
    \n ui->label->setText(date.toString());
    \n} <\/p>\n

    \"\"<\/p>\n

    \u4e0b\u9762\u662fQCalendarWidget\u7684\u4e00\u4e9b\u4e3b\u8981\u5c5e\u6027\u548c\u5b83\u81ea\u5e26\u7684\u4fe1\u53f7，\u53ef\u4ee5\u67e5\u770b\u6587\u6863\u8fdb\u884c\u4f7f\u7528：<\/span><\/p>\n

    \"\"<\/p>\n

    \n

    \u8f93\u5165\u7c7b\u63a7\u4ef6<\/span><\/h2>\n

    QLineEdit<\/span><\/h3>\n

    \u4e0b\u9762\u662f\u5176\u4e3b\u8981\u5c5e\u6027：<\/span><\/p>\n

    \"\"<\/p>\n

    \u4e0b\u9762\u662f\u4e00\u4e2a\u4f8b\u5b50：<\/span><\/p>\n

    Widget::Widget(QWidget *parent)
    \n : QWidget(parent)
    \n , ui(new Ui::Widget)
    \n{
    \n ui->setupUi(this);<\/p>\n

    ui->lineEdit_id->setPlaceholderText("\u8bf7\u8f93\u5165\u7528\u6237\u540d");\/\/\u8bbe\u7f6e\u8f93\u5165\u6846\u4e3a\u7a7a\u7684\u63d0\u793a
    \n ui->lineEdit_id->setClearButtonEnabled(true);\/\/\u542f\u7528\u6e05\u7a7a\u6309\u94ae
    \n ui->lineEdit_id->setMaxLength(5);<\/p>\n

    ui->lineEdit_pass->setPlaceholderText("\u8bf7\u8f93\u5165\u5bc6\u7801");\/\/\u8bbe\u7f6e\u8f93\u5165\u6846\u4e3a\u7a7a\u7684\u63d0\u793a
    \n ui->lineEdit_pass->setClearButtonEnabled(true);\/\/\u542f\u7528\u6e05\u7a7a\u6309\u94ae
    \n ui->lineEdit_pass->setEchoMode(QLineEdit::Password);\/\/\u8bbe\u7f6e\u6587\u672c\u7684\u663e\u793a\u65b9\u5f0f\u662f\u5bc6\u7801\u65b9\u5f0f，\u7528\u7b26\u53f7\u4ee3\u66ff\u7528\u6237\u8f93\u5165\u7684\u5185\u5bb9\u5448\u73b0<\/p>\n

    ui->lineEdit_phone->setPlaceholderText("\u8bf7\u8f93\u5165\u7535\u8bdd\u53f7\u7801");\/\/\u8bbe\u7f6e\u8f93\u5165\u6846\u4e3a\u7a7a\u7684\u63d0\u793a
    \n ui->lineEdit_phone->setClearButtonEnabled(true);\/\/\u542f\u7528\u6e05\u7a7a\u6309\u94ae
    \n ui->lineEdit_phone->setInputMask("000-0000-0000");\/\/\u8bbe\u7f6e\u5185\u5bb9\u683c\u5f0f\u7ea6\u675f，0\u8868\u793a\u8be5\u4f4d\u7f6e\u53ea\u80fd\u662f\u6570\u5b57
    \n}
    \n\/\/\u8bbe\u7f6e\u6309\u94ae\u7684\u70b9\u51fb\u4e8b\u4ef6
    \nvoid Widget::on_pushButton_clicked()
    \n{
    \n \/\/\u83b7\u53d6\u6027\u522b\u4fe1\u606f
    \n QString gender = ui->radioButton_male->isChecked() ? "\u7537":"\u5973";<\/p>\n

    \/\/\u6253\u5370\u8f93\u5165\u6846\u7684\u4fe1\u606f
    \n qDebug()<<"\u59d3\u540d"<<ui->lineEdit_id->text();
    \n qDebug()<<"\u5bc6\u7801"<<ui->lineEdit_pass->text();
    \n qDebug()<<"\u7535\u8bdd"<<ui->lineEdit_phone->text();
    \n qDebug()<<"\u6027\u522b"<<gender;
    \n}<\/p>\n

    \"\"<\/p>\n

    \u4e0b\u9762\u662f\u53e6\u4e00\u4e2a\u4f8b\u5b50：<\/span><\/p>\n

    Widget::Widget(QWidget *parent)
    \n : QWidget(parent)
    \n , ui(new Ui::Widget)
    \n{
    \n ui->setupUi(this);<\/p>\n

    \/\/\u8bbe\u7f6e\u4e24\u4e2a\u8f93\u5165\u6846\u4e3a\u5bc6\u7801\u6a21\u5f0f，\u9632\u6b62\u5bc6\u7801\u56de\u663e
    \n ui->lineEdit->setEchoMode(QLineEdit::Password);
    \n ui->lineEdit_2->setEchoMode(QLineEdit::Password);
    \n}
    \n\/\/\u6bd4\u8f83\u4e24\u4e2a\u8f93\u5165\u6846\u7684\u5bc6\u7801\u662f\u5426\u76f8\u7b49
    \nvoid Widget::compare()
    \n{
    \n QString x1 = ui->lineEdit->text();
    \n QString x2 = ui->lineEdit_2->text();<\/p>\n

    if(x1.isEmpty() && x2.isEmpty())
    \n {
    \n ui->label->setText("\u5f53\u524d\u8f93\u5165\u4e3a\u7a7a");
    \n }
    \n else if(x1 == x2)
    \n {
    \n ui->label->setText("\u4e24\u6b21\u5bc6\u7801\u4e00\u81f4");
    \n }
    \n else
    \n {
    \n ui->label->setText("\u4e24\u6b21\u5bc6\u7801\u4e0d\u4e00\u81f4");
    \n }
    \n}
    \n\/\/\u8bbe\u7f6e\u8f93\u5165\u6846\u7684\u6587\u672c\u6539\u53d8\u4fe1\u53f7\u5bf9\u5e94\u7684\u69fd
    \nvoid Widget::on_lineEdit_textEdited(const QString &arg1)
    \n{
    \n compare();
    \n}
    \n\/\/\u8bbe\u7f6e\u8f93\u5165\u6846\u7684\u6587\u672c\u6539\u53d8\u4fe1\u53f7\u5bf9\u5e94\u7684\u69fd
    \nvoid Widget::on_lineEdit_2_textEdited(const QString &arg1)
    \n{
    \n compare();
    \n}<\/p>\n

    \"\"<\/p>\n<\/p>\n

    \n

    \u9898\u5916\u8bdd\u2014\u2014\u5173\u4e8e\u6b63\u5219\u8868\u8fbe\u5f0f\u9a8c\u8bc1\u8f93\u5165\u6846\u6570\u636e<\/span><\/h3>\n

    QlineEdit\u4e2d\u7684inputMask\u5143\u7d20\u4e0a\u9762\u6211\u4eec\u5df2\u7ecf\u4f7f\u7528\u8fc7\u4e86，\u4f46\u662f\u4ed6\u53ea\u80fd\u8fdb\u884c\u7b80\u5355\u7684\u9a8c\u8bc1，\u6b63\u5219\u8868\u8fbe\u5f0f\u9a8c\u8bc1\u624d\u662f\u7ecf\u5e38\u88ab\u4f7f\u7528\u7684\u8f93\u5165\u6846\u6570\u636e\u9a8c\u8bc1\u65b9\u6cd5\u3002<\/span><\/p>\n

    \u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u2f00\u79cd\u5728\u8ba1\u7b97\u673a\u4e2d\u5e38\u7528\u7684, <\/span>
    \n \u4f7f\u7528\u7279\u6b8a\u5b57\u7b26\u63cf\u8ff0\u2f00\u4e2a\u5b57\u7b26\u4e32\u7684\u7279\u5f81\u7684\u673a\u5236<\/span>
    \n \u3002\u00a0\u5728\u8fdb\u2f8f\u5b57 <\/span><\/p>\n

    \u7b26\u4e32\u5339\u914d\u65f6\u975e\u5e38\u6709\u7528\u3002<\/span>
    \n \u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u8bed\u6cd5\u8fd8\u6bd4\u8f83\u590d\u6742, \u2f00\u822c\u90fd\u662f\u968f\u7528\u968f\u67e5, \u4e0d\u9700\u8981\u80cc\u4e0b\u6765：<\/span><\/p>\n

    \u6b63\u5219\u8868\u8fbe\u5f0f\u6587\u6863：https:\/\/learn.microsoft.com\/zh-cn\/previous-versions\/visualstudio\/visual-studio-2008\/ae5bf541(v=vs.90)?redirectedfrom=MSDN<\/span>
    \n <\/span><\/p>\n

    \u6b63\u5219\u8868\u8fbe\u5f0f\u5728\u7ebf\u5de5\u5177: https:\/\/regextester.buyaocha.com\/<\/span><\/p>\n

    \u63a5\u4e0b\u6765\u662f\u5728Qt\u4e2d\u4f7f\u7528\u7b80\u5355\u6b63\u5219\u8868\u8fbe\u5f0f\u8fdb\u884c\u624b\u673a\u53f7\u7801\u8f93\u5165\u9a8c\u8bc1\u7684\u793a\u4f8b\u7a0b\u5e8f：<\/span><\/p>\n

    Widget::Widget(QWidget *parent)
    \n : QWidget(parent)
    \n , ui(new Ui::Widget)
    \n{
    \n ui->setupUi(this);<\/p>\n

    \/\/\u521b\u5efa\u4e00\u4e2a\u6b63\u5219\u8868\u8fbe\u5f0f
    \n QRegExp regexp("^1\\\\\\\\d{10}$");\/\/^1\u8868\u793a\u5f00\u5934\u5fc5\u987b\u662f1，\\\\d{10}\u8868\u793a\u63a5\u4e0b\u6765\u662f10\u4e2a\u6570\u5b57（\u591a\u52a0\u4e00\u4e2a\\\\\u8868\u793a\u8f6c\u4e49），$\u662f\u7ed3\u675f\u7b26<\/p>\n

    \/\/\u521b\u5efa\u4e00\u4e2a\u9a8c\u8bc1\u5668\u5e76\u8bbe\u7f6e\u8fdb\u8f93\u5165\u6846\u63a7\u4ef6\u4e2d，\u9a8c\u8bc1\u5668\u7684\u751f\u547d\u5468\u671f\u4e2a\u8f93\u5165\u6846\u4e00\u6837
    \n ui->lineEdit->setValidator(new QRegExpValidator(regexp));
    \n}<\/p>\n

    \/\/\u8bbe\u7f6e\u8f93\u5165\u6846\u6587\u672c\u6570\u636e\u6539\u53d8\u7684\u4fe1\u53f7\u5bf9\u5e94\u7684\u69fd\u51fd\u6570
    \nvoid Widget::on_lineEdit_textChanged(const QString &arg1)
    \n{
    \n QString x = arg1;
    \n int pos;<\/p>\n

    \/\/\u83b7\u53d6lineEdit\u4e2d\u7684\u9a8c\u8bc1\u5668\u5e76\u4e14\u8c03\u7528\u9a8c\u8bc1\u51fd\u6570，\u6210\u529f\u5219\u8fd4\u56detrue，\u5931\u8d25\u5219\u8fd4\u56defalse\u5e76\u628a\u7b2c\u4e00\u4e2a\u4e0d\u5339\u914d\u7684\u4f4d\u7f6e\u8fd4\u56de\u5230pos\u4e2d\u3002
    \n if(ui->lineEdit->validator()->validate(x,pos) == QValidator::Acceptable)
    \n {
    \n \/\/\u5982\u679c\u5339\u914d\u4e86\u5c31\u89e3\u5f00\u6309\u94ae\u9650\u5236
    \n ui->pushButton->setEnabled(true);
    \n }
    \n else
    \n {
    \n \/\/\u4e0d\u5339\u914d\u5c31\u7981\u7528\u6309\u94ae
    \n ui->pushButton->setEnabled(false);
    \n }<\/p>\n

    }<\/p>\n

    \"\"<\/p>\n

    \n

    QTextEdit<\/span><\/h3>\n

    QTextEdit\u548cQPlainTextEdit\u5c5e\u6027\u548c\u4fe1\u53f7\u5dee\u4e0d\u591a，\u53ea\u4e0d\u8fc7QTextEdit\u652f\u6301\u5bcc\u6587\u672c（\u4e5f\u5c31\u662fhtml\u548cMarkDown\u7b49\u8bed\u6cd5）\u800cQPlainTextEdit\u53ea\u652f\u6301\u7eaf\u6587\u672c<\/span><\/p>\n

    \u4e0b\u9762\u662f\u76f8\u5173\u5c5e\u6027\u548cQTextEdit\u81ea\u5e26\u4fe1\u53f7：<\/span><\/p>\n

    \"\"<\/span><\/p>\n

    \u4e0b\u9762\u662f\u5199\u7684\u4e00\u4e9b\u6d4b\u8bd5\u4fe1\u53f7\u7684\u4ee3\u7801：<\/span><\/p>\n

    void Widget::on_textEdit_textChanged()
    \n{
    \n qDebug()<<"\u5f53\u524d\u6587\u672c\u5185\u5bb9"<<ui->textEdit->toPlainText();
    \n}<\/p>\n

    void Widget::on_textEdit_cursorPositionChanged()
    \n{
    \n QTextCursor cursor = ui->textEdit->textCursor();
    \n qDebug()<<"\u5149\u6807\u4f4d\u7f6e"<<cursor.position();
    \n}<\/p>\n

    void Widget::on_textEdit_selectionChanged()
    \n{
    \n QTextCursor cursor = ui->textEdit->textCursor();
    \n qDebug()<<"\u9009\u4e2d\u7684\u5185\u5bb9\u53d8\u6210\u4e86:"<<cursor.selectedText();
    \n}<\/p>\n

    void Widget::on_textEdit_undoAvailable(bool b)
    \n{
    \n qDebug()<<"\u53ef\u4ee5\u8fdb\u884cundo\u64cd\u4f5c\u4e86?"<<b;
    \n}<\/p>\n

    void Widget::on_textEdit_redoAvailable(bool b)
    \n{
    \n qDebug()<<"\u53ef\u4ee5\u8fdb\u884credo\u64cd\u4f5c\u4e86?"<<b;
    \n}<\/p>\n

    void Widget::on_textEdit_copyAvailable(bool b)
    \n{
    \n qDebug()<<"\u9009\u4e2d\u4e86？"<<b;
    \n} <\/p>\n

    \u6ce8\u610f：QTextEdit\u83b7\u53d6\u6587\u672c\u7684\u65b9\u5f0f\u662ftoPlainText(),toHtmlText()\u7b49，\u800c\u4e0d\u662ftext()\u3002<\/span><\/p>\n

    \n

    QComboBox<\/span><\/h3>\n

    \u4e0b\u9762\u662fQComboBox\u7684\u6838\u5fc3\u5c5e\u6027，\u65b9\u6cd5，\u4ee5\u53ca\u4fe1\u53f7<\/span>：<\/span><\/p>\n

    \"\"<\/p>\n

    \u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528\u7684\u4f8b\u5b50：<\/span><\/p>\n

    Widget::Widget(QWidget *parent)
    \n : QWidget(parent)
    \n , ui(new Ui::Widget)
    \n{
    \n ui->setupUi(this);<\/p>\n

    ui->comboBox_1->addItem("\u9ea6\u8fa3\u9e21\u817f\u5821");
    \n ui->comboBox_1->addItem("\u725b\u8089\u5821");
    \n ui->comboBox_1->addItem("\u867e\u5821");<\/p>\n

    ui->comboBox_2->addItem("\u85af\u6761");
    \n ui->comboBox_2->addItem("\u571f\u8c46");
    \n ui->comboBox_2->addItem("\u86cb\u631e");<\/p>\n

    ui->comboBox_3->addItem("\u53ef\u4e50");
    \n ui->comboBox_3->addItem("\u96ea\u78a7");
    \n}<\/p>\n

    void Widget::on_pushButton_clicked()
    \n{
    \n qDebug()<<"\u6c49\u5821"<<ui->comboBox_1->currentText();
    \n qDebug()<<"\u5c0f\u98df"<<ui->comboBox_2->currentText();
    \n qDebug()<<"\u53ef\u4e50"<<ui->comboBox_3->currentText();
    \n}<\/p>\n

    \"\"<\/p>\n

    \u5728\u5927\u591a\u6570\u60c5\u51b5\u4e2d，\u6211\u4eec\u662f\u4ece\u914d\u7f6e\u6587\u4ef6\u4e2d\u8bfb\u53d6\u9009\u9879\u7684\u800c\u4e0d\u662f\u5199\u6b7b\u7684，\u6240\u4ee5\u518d\u5c55\u793a\u4e00\u4e2a\u6587\u4ef6\u8bfb\u53d6\u8bbe\u7f6e\u9009\u9879\u7684\u4f8b\u5b50：<\/span><\/p>\n

    \"\"<\/p>\n

    \n

    QSpinBox<\/span><\/h3>\n

    QspinBox\u7528\u4e8e\u6574\u6570，QDoubleSpinBox\u7528\u4e8e\u5c0f\u6570，\u7528\u6cd5\u90fd\u662f\u7c7b\u4f3c\u7684，\u8fd9\u91cc\u6211\u4eec\u53ea\u8bb2QSpinBox\u3002<\/span><\/p>\n

    \u4e0b\u9762\u662fQSpinBox\u7684\u6838\u5fc3\u5c5e\u6027\u548c\u4fe1\u53f7：<\/span><\/p>\n

    \"\"<\/p>\n

    \u4e0b\u9762\u662f\u4f7f\u7528QSpinBox\u7684\u4ee3\u7801\u793a\u4f8b：<\/span><\/p>\n

    Widget::Widget(QWidget *parent)
    \n : QWidget(parent)
    \n , ui(new Ui::Widget)
    \n{
    \n ui->setupUi(this);<\/p>\n

    ui->comboBox->addItem("\u53ef\u4e50");
    \n ui->comboBox->addItem("\u96ea\u78a7");<\/p>\n

    \/\/\u8bbe\u7f6e\u5fae\u8c03\u8303\u56f4
    \n ui->spinBox->setRange(1,5);
    \n \/\/\u8bbe\u7f6e\u521d\u59cb\u503c
    \n ui->spinBox->setValue(1);
    \n}<\/p>\n

    void Widget::on_pushButton_clicked()
    \n{
    \n qDebug()<<"\u60a8\u9009\u62e9\u7684\u662f"<<ui->comboBox->currentText()<<ui->spinBox->value();
    \n} <\/p>\n

    \"\"<\/p>\n

    \n

    QDateTimeEdit<\/span><\/h3>\n

    \u4e0b\u9762\u662f\u5176\u6838\u5fc3\u5c5e\u6027\u4e0e\u4fe1\u53f7：<\/span><\/p>\n

    \"\"<\/p>\n

    \u4e0b\u9762\u662f\u7b80\u5355\u7684\u4f7f\u7528\u793a\u4f8b：<\/span><\/p>\n

    void Widget::on_pushButton_clicked()
    \n{
    \n QDateTime x1 = ui->dateTimeEdit_1->dateTime();
    \n QDateTime x2 = ui->dateTimeEdit_2->dateTime();<\/p>\n

    int days = x1.daysTo(x2);
    \n int sec = x1.secsTo(x2);<\/p>\n

    int hours =(sec\/3600)%24;<\/p>\n

    ui->label->setText(QString("\u7231\u4f60\u5df2\u7ecf\u6301\u7eed\u4e86")+QString::number(days)+QString("\u5929\u96f6")+QString::number(hours)+QString("\u5c0f\u65f6"));
    \n}<\/p>\n

    \u8ba1\u7b97\u65f6\u95f4\u5dee\u7684\u6ce8\u610f\u4e8b\u9879：<\/span><\/p>\n

    \u4e0a\u9762\u6211\u4eec\u4f7f\u7528\u7684\u662fQDateTime\u4e2d\u7684daysTo\u51fd\u6570\u8ba1\u7b97\u4e24\u4e2a\u65e5\u671f\u4e4b\u95f4\u9694\u4e86\u591a\u5c11\u5929，\u4f46\u662f\u6211\u4eec\u4f1a\u53d1\u73b0，\u50cf（2000 1\/1 23:55 \u2014\u2014 2000 1\/2 00:01）\u4e5f\u4f1a\u88ab\u5f53\u4f5c\u9694\u4e86\u4e00\u5929（\u5b9e\u9645\u4e0a\u4e0d\u5230\u4e00\u4e2a\u5c0f\u65f6），\u8fd9\u4e2a\u95ee\u9898\u5b98\u65b9\u6587\u6863\u4e2d\u4e5f\u6709\u63d0\u53ca\u3002\u89e3\u51b3\u65b9\u6cd5\u5c31\u662f<\/span>\u4e0d\u4f7f\u7528daysTo\u51fd\u6570\u8ba1\u7b97\u95f4\u9694\u5929\u6570\u800c\u662f\u5148\u4f7f\u7528secsTo\u8ba1\u7b97\u51fa\u79d2\u6570，\u518d\u6839\u636e\u79d2\u6570\u8ba1\u7b97\u5929\u6570<\/span>\u3002<\/span><\/p>\n

    \n

    QDial<\/span><\/h3>\n

    \u4e0b\u9762\u662fQDial\u7684\u4e3b\u8981\u5c5e\u6027\u548c\u4fe1\u53f7：<\/span><\/p>\n

    \"\"<\/p>\n

    \u4e0b\u9762\u662f\u5bf9QDial\u7684\u7b80\u5355\u4f7f\u7528：<\/span><\/p>\n

    Widget::Widget(QWidget *parent)
    \n : QWidget(parent)
    \n , ui(new Ui::Widget)
    \n{
    \n ui->setupUi(this);
    \n ui->dial->setWrapping(true);\/\/\u8bbe\u7f6e\u53ef\u5faa\u73af\u8c03\u6574
    \n ui->dial->setRange(0,100);\/\/\u8bbe\u7f6e\u6570\u503c\u8303\u56f4
    \n ui->dial->setValue(100);\/\/\u8bbe\u7f6e\u521d\u59cb\u6570\u503c
    \n ui->dial->setNotchesVisible(true);\/\/\u8bbe\u7f6e\u663e\u793a\u523b\u5ea6\u7ebf
    \n}<\/p>\n

    \/\/\u65cb\u94ae\u6570\u503c\u6539\u53d8\u4fe1\u53f7\u5bf9\u5e94\u7684\u69fd\u51fd\u6570
    \nvoid Widget::on_dial_valueChanged(int value)
    \n{
    \n \/\/\u8bbe\u7f6e\u7a97\u53e3\u7684\u4e0d\u900f\u660e\u5ea6
    \n this->setWindowOpacity((double)value \/100);
    \n} <\/p>\n

    \"\"<\/p>\n

    \n

    QSlider<\/span><\/h3>\n

    \u4e0b\u9762\u662fQSlider\u7684\u4e3b\u8981\u5c5e\u6027：<\/span><\/p>\n

    \"\"<\/p>\n

    \u4e0b\u9762\u534f\u8bae\u4e00\u4e2a\u901a\u8fc7\u6eda\u52a8\u6761\u63a7\u5236\u7a97\u53e3\u5927\u5c0f\u7684\u793a\u4f8b：<\/span><\/p>\n

    Widget::Widget(QWidget *parent)
    \n : QWidget(parent)
    \n , ui(new Ui::Widget)
    \n{
    \n ui->setupUi(this);
    \n ui->horizontalSlider->setMinimum(100);\/\/\u8bbe\u7f6e\u6700\u5c0f\u503c
    \n ui->horizontalSlider->setMaximum(2000);\/\/\u8bbe\u7f6e\u6700\u5927\u503c
    \n ui->horizontalSlider->setValue(774);\/\/\u8bbe\u7f6e\u521d\u59cb\u503c
    \n ui->horizontalSlider->setSingleStep(20);\/\/\u8bbe\u7f6e\u6bcf\u79fb\u52a8\u4e00\u6b65\u589e\u52a0\/\u51cf\u5c11\u591a\u5c11\u6570\u503c<\/p>\n

    ui->verticalSlider->setMinimum(100);
    \n ui->verticalSlider->setMaximum(2000);
    \n ui->verticalSlider->setValue(530);
    \n ui->verticalSlider->setSingleStep(20);
    \n}<\/p>\n

    \/\/\u8bbe\u7f6e\u6c34\u5e73\u6761\u503c\u53d8\u5316\u5bf9\u5e94\u7684\u69fd\u4fe1\u53f7
    \nvoid Widget::on_horizontalSlider_valueChanged(int value)
    \n{
    \n QRect rect = this->geometry();
    \n this->setGeometry(rect.x(),rect.y(),ui->horizontalSlider->value(),rect.height());
    \n}
    \n\/\/\u8bbe\u7f6e\u5782\u76f4\u6761\u503c\u53d8\u5316\u5bf9\u5e94\u7684\u69fd\u4fe1\u53f7
    \nvoid Widget::on_verticalSlider_valueChanged(int value)
    \n{
    \n QRect rect = this->geometry();
    \n this->setGeometry(rect.x(),rect.y(),rect.width(),ui->verticalSlider->value());
    \n} <\/p>\n

    \"\"<\/p>\n

    <\/h3>\n
    \n

    \u9898\u5916\u8bdd\u2014\u2014\u7ed9Qslider\u8bbe\u7f6e\u5feb\u6377\u952e<\/span><\/h3>\n

    Widget::Widget(QWidget *parent)
    \n : QWidget(parent)
    \n , ui(new Ui::Widget)
    \n{
    \n ui->setupUi(this);
    \n QShortcut* add = new QShortcut(this);\/\/\u521b\u5efa\u5feb\u6377\u952e\u5bf9\u8c61
    \n add->setKey(QKeySequence("+"));\/\/\u8bbe\u7f6e\u5feb\u6377\u952e
    \n QShortcut* sub = new QShortcut(this);
    \n sub->setKey(QKeySequence("-"));<\/p>\n

    \/\/\u521d\u59cb\u5316\u6eda\u52a8\u6761
    \n ui->horizontalSlider->setValue(50);
    \n ui->horizontalSlider->setRange(0,100);<\/p>\n

    \/\/\u5173\u8054\u5feb\u6377\u952e\u6fc0\u6d3b\u4fe1\u53f7\u548c\u69fd\u51fd\u6570
    \n connect(add,&QShortcut::activated,this,&Widget::Add);
    \n connect(sub,&QShortcut::activated,this,&Widget::Sub);
    \n}<\/p>\n

    void Widget::Add()
    \n{
    \n ui->horizontalSlider->setValue((ui->horizontalSlider->value())+5);
    \n ui->label->setText(QString("\u5f53\u524d\u6570\u503c\u4e3a:")+QString::number(ui->horizontalSlider->value()));
    \n}<\/p>\n

    void Widget::Sub()
    \n{
    \n ui->horizontalSlider->setValue((ui->horizontalSlider->value())-5);
    \n ui->label->setText(QString("\u5f53\u524d\u6570\u503c\u4e3a:")+QString::number(ui->horizontalSlider->value()));
    \n} <\/p>\n

    \u8fd9\u6837\u4e00\u6765\u6309\u4e0b+，-\u5c31\u53ef\u4ee5\u8ba9\u6eda\u52a8\u6761\u79fb\u52a8\u4e86<\/span><\/p>\n

    \n

    \u591a\u5143\u7d20\u63a7\u4ef6<\/span><\/h2>\n

    \u591a\u5143\u7d20\u63a7\u4ef6\u91cc\u9762\u5305\u542b\u7684\u5185\u5bb9\u662f\u90fd\u662f\u4e00\u4e2a\u4e2a\u201citem\u201d\u5bf9\u8c61<\/span>\u3002<\/span><\/p>\n

    QListWidget<\/span><\/h3>\n

    \u4e0b\u9762\u662fQListWidget\u7684\u4e3b\u8981\u5c5e\u6027，\u65b9\u6cd5，\u4fe1\u53f7：<\/span><\/p>\n

    \"\"<\/p>\n

    \"\"<\/p>\n

    \u4e0b\u9762\u662f\u4f7f\u7528QListWidget\u7684\u793a\u4f8b（\u5217\u8868\u4e2d\u7684\u5143\u7d20\u662fQListWidget\u7c7b\u578b）：<\/span><\/p>\n

    Widget::Widget(QWidget *parent)
    \n : QWidget(parent)
    \n , ui(new Ui::Widget)
    \n{
    \n ui->setupUi(this);<\/p>\n

    \/\/\u5f00\u542f\u9f20\u6807\u8ffd\u8e2a，\u8ba9QListWidget\u8ddf\u8e2a\u9f20\u6807\u79fb\u52a8\u4e8b\u4ef6
    \n ui->listWidget->setMouseTracking(true);<\/p>\n

    \/\/\u6dfb\u52a0\u56fa\u5b9a\u7684\u5217\u8868\u9879,\u8fd9\u91cc\u4f7f\u7528\u4e86\u4e24\u79cd\u6dfb\u52a0\u65b9\u5f0f
    \n ui->listWidget->addItem("\u539f\u795e");
    \n ui->listWidget->addItem(new QListWidgetItem("c++"));
    \n}<\/p>\n

    \/\/\u7ed9\u6dfb\u52a0\u6309\u94ae\u8bbe\u7f6e\u69fd\u51fd\u6570
    \nvoid Widget::on_pushButton_add_clicked()
    \n{
    \n QString temp = ui->lineEdit->text();
    \n if(!temp.isEmpty())
    \n {
    \n \/\/\u6dfb\u52a0\u5143\u7d20
    \n ui->listWidget->addItem(temp);
    \n }
    \n}
    \n\/\/\u7ed9\u5220\u9664\u6309\u94ae\u8bbe\u7f6e\u69fd\u51fd\u6570
    \nvoid Widget::on_pushButton_delete_clicked()
    \n{
    \n int row = ui->listWidget->currentRow();
    \n if(row>=0)
    \n \/\/\u6309\u7167\u884c\u53f7\u5220\u9664\u5143\u7d20
    \n ui->listWidget->takeItem(row);
    \n}<\/p>\n

    void Widget::on_listWidget_itemEntered(QListWidgetItem *item)
    \n{
    \n qDebug()<<"\u9f20\u6807\u60ac\u505c\u5728："<<item->text();
    \n}<\/p>\n

    void Widget::on_listWidget_itemDoubleClicked(QListWidgetItem *item)
    \n{
    \n qDebug()<<"\u70b9\u4e24\u6b21："<<item->text();
    \n}<\/p>\n

    void Widget::on_listWidget_currentItemChanged(QListWidgetItem *current, QListWidgetItem *previous)
    \n{
    \n qDebug()<<"\u9009\u4e86\u4e0d\u540c\u7684\u5143\u7d20";
    \n}<\/p>\n

    \"\"<\/p>\n

    \n

    QTableWidget<\/span><\/h3>\n

    \u4e0b\u9762\u662fQTableWidget\u7684\u4e3b\u8981\u65b9\u6cd5\u548c\u4fe1\u53f7：<\/span><\/p>\n

    \"\"<\/p>\n

    \u4e0b\u9762\u662fQTableWidgetItem\u7684\u4e3b\u8981\u65b9\u6cd5：<\/span><\/p>\n

    \"\"<\/p>\n

    \u4e0b\u9762\u662fQTableWidget\u7684\u793a\u4f8b（\u5217\u8868\u4e2d\u7684\u5143\u7d20\u662fQTableWidget\u7c7b\u578b）：<\/span><\/p>\n

    Widget::Widget(QWidget *parent)
    \n : QWidget(parent)
    \n , ui(new Ui::Widget)
    \n{
    \n ui->setupUi(this);<\/p>\n

    \/\/\u6dfb\u52a0\u4e24\u884c
    \n ui->tableWidget->insertRow(0);
    \n ui->tableWidget->insertRow(1);<\/p>\n

    \/\/\u6dfb\u52a0\u4e09\u5217
    \n ui->tableWidget->insertColumn(0);
    \n ui->tableWidget->insertColumn(1);
    \n ui->tableWidget->insertColumn(2);<\/p>\n

    \/\/\u7ed9\u6bcf\u4e2a\u5217\u8bbe\u7f6e\u8868\u5934
    \n ui->tableWidget->setHorizontalHeaderItem(0,new QTableWidgetItem("\u5b66\u53f7"));
    \n ui->tableWidget->setHorizontalHeaderItem(1,new QTableWidgetItem("\u59d3\u540d"));
    \n ui->tableWidget->setHorizontalHeaderItem(2,new QTableWidgetItem("\u5206\u6570"));<\/p>\n

    \/\/\u7ed9\u8868\u683c\u7b2c\u4e00\u884c\u6dfb\u52a0\u5143\u7d20
    \n ui->tableWidget->setItem(0,0,new QTableWidgetItem("001"));
    \n ui->tableWidget->setItem(0,1,new QTableWidgetItem("\u5f20\u4e09"));
    \n ui->tableWidget->setItem(0,2,new QTableWidgetItem("55"));
    \n \/\/\u7ed9\u8868\u683c\u7b2c\u4e8c\u884c\u6dfb\u52a0\u5143\u7d20
    \n ui->tableWidget->setItem(1,0,new QTableWidgetItem("002"));
    \n ui->tableWidget->setItem(1,1,new QTableWidgetItem("\u674e\u56db"));
    \n ui->tableWidget->setItem(1,2,new QTableWidgetItem("99"));<\/p>\n

    }<\/p>\n

    void Widget::on_pushButton_addrow_clicked()
    \n{
    \n int rowcount = ui->tableWidget->rowCount();
    \n ui->tableWidget->insertRow(rowcount);
    \n}<\/p>\n

    void Widget::on_pushButton_delrow_clicked()
    \n{
    \n int rowcount = ui->tableWidget->currentRow();
    \n ui->tableWidget->removeRow(rowcount);
    \n}<\/p>\n

    void Widget::on_pushButton_addcol_clicked()
    \n{
    \n \/\/\u83b7\u53d6\u8f93\u5165\u6846\u7684\u6570\u636e
    \n QString temp;
    \n temp = ui->lineEdit->text();<\/p>\n

    if(!temp.isEmpty())
    \n {
    \n \/\/\u6dfb\u52a0\u65b0\u7684\u5217
    \n int colcount = ui->tableWidget->columnCount();
    \n ui->tableWidget->insertColumn(colcount);
    \n \/\/\u6dfb\u52a0\u5217\u7684\u8868\u5934
    \n ui->tableWidget->setHorizontalHeaderItem(colcount,new QTableWidgetItem(temp));
    \n }
    \n}<\/p>\n

    void Widget::on_pushButton_delcol_clicked()
    \n{
    \n int colcount = ui->tableWidget->currentColumn();
    \n ui->tableWidget->removeColumn(colcount-1);
    \n} <\/p>\n

    \"\"<\/p>\n

    \n

    QTreeWidget<\/span><\/h3>\n

    \u4e0b\u9762\u662fQTreeWidget \u548c QTreeWidgetItem (QTreeWidget\u4e2d\u7684\u5143\u7d20\u7c7b\u578b)\u7684\u6838\u5fc3\u5c5e\u6027，\u4fe1\u53f7，\u65b9\u6cd5：<\/span><\/p>\n

    \"\"<\/p>\n

    \"\"<\/p>\n

    QTtreeWidget\u7684\u6839\u8282\u70b9\u53ea\u80fd\u4fee\u6539\u540d\u5b57\u800c\u4e0d\u80fd\u5220\u9664，\u5e76\u4e14QTtreeWidget\u53ea\u80fd\u7528\u6765\u64cd\u4f5c\u9876\u5c42\u8282\u70b9（\u4e5f\u5c31\u662f\u6839\u8282\u70b9\u4e0b\u9762\u7684\u7b2c\u4e00\u5c42\u8282\u70b9），\u800c\u6dfb\u52a0\u6216\u5220\u9664\u666e\u901a\u8282\u70b9\u662f\u901a\u8fc7QTreeWidgetItem\u8282\u70b9\u672c\u8eab\u8fdb\u884c\u64cd\u4f5c\u7684<\/span>\u3002<\/span><\/p>\n

    \u4e0b\u9762\u662f\u5bf9QTreeWidget\u7684\u4f7f\u7528\u793a\u4f8b：<\/span><\/p>\n

    Widget::Widget(QWidget *parent)
    \n : QWidget(parent)
    \n , ui(new Ui::Widget)
    \n{
    \n ui->setupUi(this);<\/p>\n

    \/\/\u8bbe\u7f6e\u6839\u8282\u70b9（\u4e5f\u5c31\u662f\u6811）\u7684\u540d\u79f0
    \n ui->treeWidget->setHeaderLabel("\u52a8\u7269");<\/p>\n

    \/\/\u521b\u5efa\u4e09\u4e2a\u9876\u5c42\u8282\u70b9
    \n QTreeWidgetItem* top1 = new QTreeWidgetItem();
    \n top1->setText(0,"\u72d7");\/\/\u7ed9\u9876\u5c42\u8282\u70b9\u8bbe\u7f6e\u6587\u672c\/\u56fe\u7247，\u53ef\u4ee5\u8bbe\u7f6e\u591a\u4e2a\u6587\u672c\/\u56fe\u7247
    \n ui->treeWidget->addTopLevelItem(top1);\/\/\u6dfb\u52a0\u9876\u5c42\u8282\u70b9<\/p>\n

    QTreeWidgetItem* top2 = new QTreeWidgetItem();
    \n top2->setText(0,"\u732b");
    \n ui->treeWidget->addTopLevelItem(top2);<\/p>\n

    QTreeWidgetItem* top3 = new QTreeWidgetItem();
    \n top3->setText(0,"\u9c7c");
    \n ui->treeWidget->addTopLevelItem(top3);<\/p>\n

    \/\/\u7ed9\u6bcf\u4e2a\u8282\u70b9\u65b0\u589e\u4e00\u4e9b\u5b50\u8282\u70b9
    \n QTreeWidgetItem* child1 = new QTreeWidgetItem();
    \n child1->setText(0,"\u91d1\u6bdb");
    \n top1->addChild(child1);<\/p>\n

    QTreeWidgetItem* child2 = new QTreeWidgetItem();
    \n child2->setText(0,"\u54c8\u5df4\u72d7");
    \n top1->addChild(child2);<\/p>\n

    QTreeWidgetItem* child3 = new QTreeWidgetItem();
    \n child3->setText(0,"\u5e03\u5076\u732b");
    \n top2->addChild(child3);<\/p>\n

    QTreeWidgetItem* child4 = new QTreeWidgetItem();
    \n child4->setText(0,"\u5927\u6bdb\u6bdb");
    \n top2->addChild(child4);
    \n}<\/p>\n

    void Widget::on_pushButton_addtop_clicked()
    \n{
    \n \/\/\u83b7\u53d6\u8f93\u5165\u6846\u4e2d\u7684\u5185\u5bb9
    \n QString temp = ui->lineEdit->text();
    \n if(!temp.isEmpty())
    \n {
    \n QTreeWidgetItem* top1 = new QTreeWidgetItem();
    \n top1->setText(0,temp);\/\/\u7ed9\u9876\u5c42\u8282\u70b9\u8bbe\u7f6e\u6587\u672c\/\u56fe\u7247，\u53ef\u4ee5\u8bbe\u7f6e\u591a\u4e2a\u6587\u672c\/\u56fe\u7247
    \n ui->treeWidget->addTopLevelItem(top1);\/\/\u6dfb\u52a0\u9876\u5c42\u8282\u70b9
    \n }
    \n}<\/p>\n

    void Widget::on_pushButton_addchild_clicked()
    \n{
    \n \/\/\u83b7\u53d6\u5f53\u524d\u9009\u4e2d\u7684\u8282\u70b9
    \n QTreeWidgetItem* item = ui->treeWidget->currentItem();<\/p>\n

    \/\/\u83b7\u53d6\u8f93\u5165\u6846\u4e2d\u7684\u5185\u5bb9
    \n QString temp = ui->lineEdit->text();<\/p>\n

    \/\/\u521b\u5efa\u4e00\u4e2a\u65b0\u8282\u70b9
    \n QTreeWidgetItem* child = new QTreeWidgetItem();
    \n child->setText(0,temp);
    \n item->addChild(child);
    \n}<\/p>\n

    void Widget::on_pushButton_delete_clicked()
    \n{
    \n \/\/\u83b7\u53d6\u5f53\u524d\u9009\u4e2d\u7684\u8282\u70b9
    \n QTreeWidgetItem* item = ui->treeWidget->currentItem();<\/p>\n

    \/\/\u83b7\u53d6\u5f53\u524d\u9009\u4e2d\u8282\u70b9\u7684\u7236\u8282\u70b9
    \n QTreeWidgetItem* parent = item->parent();<\/p>\n

    \/\/\u5982\u679c\u5f53\u524d\u9009\u4e2d\u7684\u8282\u70b9\u662f\u9876\u5c42\u8282\u70b9
    \n if(parent == nullptr)
    \n {
    \n \/\/\u83b7\u53d6\u5f53\u524d\u8282\u70b9\u5728\u9876\u5c42\u4e2d\u7684\u4e0b\u6807
    \n int index = ui->treeWidget->indexOfTopLevelItem(item);
    \n \/\/\u5220\u9664\u8be5\u8282\u70b9
    \n ui->treeWidget->takeTopLevelItem(index);
    \n }
    \n \/\/\u5982\u679c\u5f53\u524d\u9009\u4e2d\u7684\u8282\u70b9\u662f\u666e\u901a\u8282\u70b9
    \n else
    \n {
    \n \/\/\u5220\u9664\u8be5\u5b50\u8282\u70b9
    \n parent->removeChild(item);
    \n }<\/p>\n

    } <\/p>\n

    \"\"<\/p>\n

    \n

    \u5bb9\u5668\u7c7b\u63a7\u4ef6<\/span><\/h2>\n

    \u5bb9\u5668\u7c7b\u63a7\u4ef6\u91cc\u9762\u5305\u542b\u7684\u662f\u5176\u5b83\u63a7\u4ef6，\u88ab\u5305\u542b\u7684\u63a7\u4ef6\u7684\u7236\u5143\u7d20\u4f1a\u53d8\u6210\u5bb9\u5668\u7c7b\u63a7\u4ef6\u800c\u4e0d\u662fQWidget\u4e86，\u5e76\u4e14\u88ab\u5bb9\u5668\u7c7b\u63a7\u4ef6\u5206\u5272\u540e，\u4e00\u4e9b\u672c\u6765\u5173\u8054\u7684\u63a7\u4ef6\u4f1a\u53d8\u5f97\u4e0d\u5173\u8054，\u6bd4\u5982\u591a\u4e2aRadio Button，\u672c\u6765\u662f\u53ea\u80fd\u9009\u4e00\u4e2a（\u5373\u4ed6\u4eec\u662f\u6709\u5173\u8054\u7684），\u4e00\u4f46\u88ab\u5bb9\u5668\u7c7b\u63a7\u4ef6\u5206\u5272\u540e\u88ab\u5206\u5272\u7684\u63a7\u4ef6\u5c31\u81ea\u6210\u4e00\u7ec4<\/span>\u3002<\/span><\/p>\n

    QGroupBox<\/span><\/h3>\n

    \u4e0b\u9762\u662fQGroupBox\u7684\u6838\u5fc3\u5c5e\u6027\u4ee5\u53ca\u4f7f\u7528\u793a\u4f8b：<\/span><\/p>\n

    \"\"<\/p>\n

    \"\"<\/p>\n

    \n

    QTabWidget<\/span><\/h3>\n

    QTabWidget\u91cc\u5305\u542b\u7684\u662f\u82e5\u5e72\u4e2aQWidget\u63a7\u4ef6，\u76f8\u5f53\u4e8e\u82e5\u5e72\u4e2a\u65b0\u7684\u7a97\u53e3<\/span><\/p>\n

    \u4e0b\u9762\u662fQTabWidget\u7684\u6838\u5fc3\u5c5e\u6027\u548c\u4fe1\u53f7：<\/span><\/p>\n

    \"\"<\/p>\n

    \u4e0b\u9762\u662fQTabWidget\u7684\u4f7f\u7528\u793a\u4f8b：<\/span><\/p>\n

    Widget::Widget(QWidget *parent)
    \n : QWidget(parent)
    \n , ui(new Ui::Widget)
    \n{
    \n ui->setupUi(this);<\/p>\n

    \/\/\u8ba9\u6807\u7b7e\u9875\u663e\u793a\u5173\u95ed\u6309\u94ae，\u70b9\u51fb\u6309\u94ae\u53ef\u4ee5\u53d1\u51fa\u5173\u95ed\u4fe1\u53f7
    \n ui->tabWidget->setTabsClosable(true);<\/p>\n

    \/\/\u5728\u6807\u7b7e\u98751\u521b\u5efa\u4e00\u4e2alabel
    \n QLabel* label = new QLabel(ui->tab);
    \n label->setText("\u8fd9\u662f\u7b2c\u4e00\u4e2a\u6807\u7b7e\u9875");
    \n label->resize(200,50);
    \n \/\/\u8bbe\u7f6e\u6807\u7b7e\u98751\u7684\u6807\u9898
    \n ui->tabWidget->setTabText(0,"\u6807\u7b7e\u98750");<\/p>\n

    \/\/\u5728\u6807\u7b7e\u98751\u521b\u5efa\u4e00\u4e2alabel
    \n QLabel* label2 = new QLabel(ui->tab_2);
    \n label2->setText("\u8fd9\u662f\u7b2c\u4e00\u4e2a\u6807\u7b7e\u9875");
    \n label2->resize(200,50);
    \n \/\/\u8bbe\u7f6e\u6807\u7b7e\u98751\u7684\u6807\u9898
    \n ui->tabWidget->setTabText(1,"\u6807\u7b7e\u98751");
    \n}<\/p>\n

    \/\/\u6dfb\u52a0\u65b0\u7684\u6807\u7b7e\u9875
    \nvoid Widget::on_pushButton_clicked()
    \n{
    \n \/\/\u83b7\u53d6\u5f53\u524d\u6807\u7b7e\u9875\u7684\u6570\u91cf
    \n int n = ui->tabWidget->count();
    \n \/\/\u521b\u5efa\u65b0\u7a97\u53e3
    \n QWidget* newtab = new QWidget(ui->tabWidget);
    \n \/\/\u5c06\u7a97\u53e3\u6dfb\u52a0\u5230\u6807\u7b7e\u9875\u5e76\u8bbe\u7f6e\u6807\u7b7e\u9875\u7684\u6807\u9898
    \n ui->tabWidget->addTab(newtab,QString("\u6807\u7b7e\u9875")+QString::number(n));
    \n \/\/\u7ed9\u65b0\u7684\u6807\u7b7e\u9875\u6dfb\u52a0label
    \n QLabel * label = new QLabel(newtab);
    \n label->setText(QString("\u8fd9\u662f\u7b2c")+QString::number(n)+QString("\u4e2a\u6807\u7b7e\u9875"));
    \n label->resize(200,50);<\/p>\n

    \/\/\u8bbe\u7f6e\u5f53\u524d\u9009\u4e2d\u7684\u6807\u7b7e\u9875\u4e3a\u65b0\u6807\u7b7e\u9875
    \n ui->tabWidget->setCurrentIndex(n);
    \n}
    \n\/\/\u5220\u9664\u9009\u4e2d\u7684\u6807\u7b7e\u9875
    \nvoid Widget::on_pushButton_2_clicked()
    \n{
    \n \/\/\u83b7\u53d6\u5f53\u524d\u9009\u4e2d\u7684\u6807\u7b7e\u9875\u7684\u4e0b\u6807
    \n int index = ui->tabWidget->currentIndex();
    \n \/\/\u5220\u9664\u5f53\u524d\u6807\u7b7e\u9875
    \n ui->tabWidget->removeTab(index);
    \n}
    \n\/\/\u8bbe\u7f6e\u5173\u95ed\u4fe1\u53f7\u5173\u8054\u7684\u69fd
    \nvoid Widget::on_tabWidget_tabCloseRequested(int index)
    \n{
    \n \/\/\u5220\u9664\u5f53\u524d\u6807\u7b7e\u9875
    \n ui->tabWidget->removeTab(index);
    \n}<\/p>\n

    \"\"<\/p>\n

    \n

    \u5e03\u5c40\u7ba1\u7406\u5668<\/span><\/h2>\n

    \u4e4b\u524d\u4f7f\u7528Qt\u5728\u754c\u9762\u4e0a\u521b\u5efa\u7684\u63a7\u4ef6, \u90fd\u662f\u901a\u8fc7"\u7edd\u5bf9\u5b9a\u4f4d"\u7684\u65b9\u5f0f\u6765\u8bbe\u5b9a\u7684\u3002<\/span>
    \n \u4e5f\u5c31\u662f\u6bcf\u4e2a\u63a7\u4ef6\u6240\u5728\u7684\u4f4d\u7f6e, \u90fd\u9700\u8981\u8ba1\u7b97\u5750\u6807, \u6700\u7ec8\u901a\u8fc7 setGeometry \u6216\u8005 move \u65b9\u5f0f\u6446\u653e\u8fc7\u53bb.\u8fd9\u79cd\u8bbe\u5b9a\u65b9\u5f0f\u5176\u5b9e\u5e76\u4e0d\u65b9\u4fbf. \u5c24\u5176\u662f\u754c\u9762\u5982\u679c\u5185\u5bb9\u6bd4\u8f83\u591a,<\/span>
    \n \u4e0d\u597d\u8ba1\u7b97<\/span>
    \n . \u800c\u4e14\u2f00\u4e2a\u7a97\u53e3\u5927\u5c0f\u5f80\u5f80\u662f\u53ef\u4ee5\u8c03\u6574<\/span>
    \n \u7684, \u6309\u7167\u7edd\u5bf9\u5b9a\u4f4d\u7684\u65b9\u5f0f, \u4e5f<\/span>
    \n \u65e0\u6cd5\u81ea\u9002\u5e94\u7a97\u53e3\u5927\u5c0f<\/span>
    \n \u3002<\/span><\/p>\n

    \u56e0\u6b64 Qt \u5f15\u5165\u00a0"\u5e03\u5c40\u7ba1\u7406\u5668" (Layout) \u673a\u5236, \u6765\u89e3\u51b3\u4e0a\u8ff0\u95ee\u9898<\/span>\u3002
    \n \u5e03\u5c40\u7ba1\u7406\u5668\u5185\u7684\u63a7\u4ef6\u7684\u5927\u5c0f\u95f4\u8ddd\u7b49\u662f\u81ea\u52a8\u8c03\u6574\u7684，\u800c\u4e14\u53ef\u4ee5\u81ea\u9002\u5e94\u7a97\u53e3\u5927\u5c0f<\/span>
    \n \u3002\u4e0d\u8fc7\u5e03\u5c40\u7ba1\u7406\u5668\u76f8\u5f53\u4e8e\u4e00\u4e2a\u5bb9\u5668\u7c7b\u63a7\u4ef6，\u5176\u4e2d\u7684\u63a7\u4ef6\u548c\u5916\u754c\u63a7\u4ef6\u5e76\u4e0d\u5173\u8054\u3002<\/span><\/p>\n

    QVBoxLayout（\u5782\u76f4\u5e03\u5c40\u7ba1\u7406\u5668）<\/span><\/h3>\n

    \u4e0b\u9762\u662f\u5173\u4e8eQVLayout\u7684\u4e3b\u8981\u5c5e\u6027：<\/span><\/p>\n

    \"\"<\/p>\n

    \u4e0b\u9762\u662f\u4f7f\u7528\u793a\u4f8b：<\/span><\/p>\n

    Widget::Widget(QWidget *parent)
    \n : QWidget(parent)
    \n , ui(new Ui::Widget)
    \n{
    \n ui->setupUi(this);<\/p>\n

    QPushButton *a = new QPushButton("\u6309\u94ae1");
    \n QPushButton *b = new QPushButton("\u6309\u94ae2");
    \n QPushButton *c = new QPushButton("\u6309\u94ae3");<\/p>\n

    \/\/\u521b\u5efa\u5e03\u5c40\u7ba1\u7406\u5668
    \n QVBoxLayout* layout = new QVBoxLayout();
    \n \/\/\u7ed9\u5e03\u5c40\u7ba1\u7406\u5668\u6dfb\u52a0\u5143\u7d20
    \n layout->addWidget(a);
    \n layout->addWidget(b);
    \n layout->addWidget(c);<\/p>\n

    \/\/\u7ed9\u5f53\u524d\u7a97\u53e3\u6dfb\u52a0\u5e03\u5c40\u7ba1\u7406\u5668
    \n this->setLayout(layout);
    \n} <\/p>\n

    \"\"<\/p>\n

    \u6ce8\u610f：<\/span>\u4e00\u4e2a\u7a97\u53e3\u9ed8\u8ba4\u53ea\u6709\u4e00\u4e2a\u5e03\u5c40\u7ba1\u7406\u5668\u7684\u65f6\u5019\u624d\u80fd\u8d77\u4f5c\u7528<\/span>\u3002\u5e76\u4e14\u5982\u679c\u6211\u4eec\u901a\u8fc7QtDesigner\u65b9\u5f0f\u6dfb\u52a0\u5e03\u5c40\u7ba1\u7406\u5668\u7684\u8bdd\u662f\u9ed8\u8ba4\u4e5f\u4e0d\u8d77\u6548\u679c\u7684，\u5b9e\u9645\u4e0a，\u901a\u8fc7QtDesigner\u65b9\u5f0f\u521b\u5efa\u4e00\u4e2a\u5e03\u5c40\u7ba1\u7406\u5668\u76f8\u5f53\u4e8e\u5148\u521b\u5efa\u4e00\u4e2a\u65b0\u7684Widget\u7136\u540e\u5728Widget\u91cc\u9762\u521b\u5efa\u5e03\u5c40\u7ba1\u7406\u5668，\u8fd9\u6837\u5bf9\u4e8e\u9876\u5c42\u7a97\u53e3\u6765\u8bf4\u662f\u6ca1\u6709\u5e03\u5c40\u7ba1\u7406\u5668\u7684，\u56e0\u6b64\u65e0\u6548，\u867d\u7136Designer\u4e0d\u5728\u5bf9\u8c61\u6811\u663e\u793a\u8fd9\u4e00\u70b9，\u6211\u4eec\u4ecexml\u6587\u4ef6\u4e2d\u4e5f\u53ef\u4ee5\u770b\u51fa：<\/span><\/p>\n

    \"\"<\/p>\n

    \n

    QHBoxLayout(\u6c34\u5e73\u5e03\u5c40\u7ba1\u7406\u5668)<\/span><\/h3>\n

    \u7279\u6027\u548c\u5782\u76f4\u5e03\u5c40\u7ba1\u7406\u5668\u76f8\u540c，\u6211\u4eec\u76f4\u63a5\u5199\u4e00\u4e2a\u4f8b\u5b50：<\/span><\/p>\n

    Widget::Widget(QWidget *parent)
    \n : QWidget(parent)
    \n , ui(new Ui::Widget)
    \n{
    \n ui->setupUi(this);<\/p>\n

    QPushButton *a = new QPushButton("\u6309\u94ae1");
    \n QPushButton *b = new QPushButton("\u6309\u94ae2");
    \n QPushButton *c = new QPushButton("\u6309\u94ae2");
    \n QPushButton *d = new QPushButton("\u6309\u94ae2");<\/p>\n

    \/\/\u521b\u5efa\u6c34\u5e73\u5e03\u5c40\u7ba1\u7406\u5668
    \n QHBoxLayout* layout1 = new QHBoxLayout();
    \n layout1->addWidget(c);
    \n layout1->addWidget(d);<\/p>\n

    \/\/\u521b\u5efa\u5782\u76f4\u5e03\u5c40\u7ba1\u7406\u5668
    \n QVBoxLayout* layout2 = new QVBoxLayout();
    \n \/\/\u7ed9\u5782\u76f4\u5e03\u5c40\u7ba1\u7406\u5668\u6dfb\u52a0\u5143\u7d20
    \n layout2->addWidget(a);
    \n layout2->addWidget(b);
    \n layout2->addLayout(layout1);<\/p>\n

    \/\/\u7ed9\u5f53\u524d\u7a97\u53e3\u6dfb\u52a0\u5e03\u5c40\u7ba1\u7406\u5668
    \n this->setLayout(layout2);
    \n}<\/p>\n

    \"\"<\/p>\n

    \u6ce8\u610f：\u5e03\u5c40\u7ba1\u7406\u5668\u4e4b\u95f4\u53ef\u4ee5\u5d4c\u5957，\u4e0a\u9762\u7684\u4f8b\u5b50\u5c31\u662f\u7528\u5782\u76f4\u5e03\u5c40\u7ba1\u7406\u5668\u5d4c\u5957\u4e86\u6c34\u5e73\u5e03\u5c40\u7ba1\u7406\u5668\u3002<\/span><\/p>\n

    \n

    QGridLayout<\/span><\/h3>\n

    QVBoxLayout\u53ea\u662f\u5782\u76f4\u65b9\u5411\u4e0a\u7684\u5e03\u5c40\u7ba1\u7406，QHBoxLayout\u53ea\u662f\u6c34\u5e73\u4e0a\u7684\u5e03\u5c40\u7ba1\u7406，\u4e3a\u4e86\u5b9e\u73b0\u4e8c\u7ef4\u5e03\u5c40\u7ba1\u7406，\u6211\u5728QHBoxLayout\u4e2d\u4f7f\u7528\u4e86\u5e03\u5c40\u7ba1\u7406\u5668\u5d4c\u5957\u7684\u65b9\u5f0f，\u4f46\u662f\u8fd9\u6837\u505a\u672a\u514d\u8fc7\u4e8e\u7e41\u7410\u3002<\/span>QGridLayout\u5c31\u662f\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u7684\u4e8c\u7ef4\u5e03\u5c40\u7ba1\u7406\u5668<\/span>\u3002<\/span><\/p>\n

    \u4e0b\u9762\u662f\u5b83\u7684\u4e3b\u8981\u5c5e\u6027：<\/span><\/p>\n

    \"\"<\/p>\n

    \u4e0b\u9762\u662f\u4f7f\u7528\u7684\u4f8b\u5b50：<\/span><\/p>\n

    Widget::Widget(QWidget *parent)
    \n : QWidget(parent)
    \n , ui(new Ui::Widget)
    \n{
    \n ui->setupUi(this);<\/p>\n

    QPushButton *a = new QPushButton("\u6309\u94ae1");
    \n QPushButton *b = new QPushButton("\u6309\u94ae2");
    \n QPushButton *c = new QPushButton("\u6309\u94ae2");
    \n QPushButton *d = new QPushButton("\u6309\u94ae2");<\/p>\n

    \/\/\u521b\u5efaGrid\u5e03\u5c40\u7ba1\u7406\u5668
    \n QGridLayout* layout = new QGridLayout();
    \n layout->addWidget(a,0,0);\/\/\u6dfb\u52a0\u63a7\u4ef6\u7684\u65f6\u5019\u6307\u660e\u63a7\u4ef6\u5904\u5728\u7ba1\u7406\u5668\u4e2d\u7684\u4f4d\u7f6e\u5750\u6807
    \n layout->addWidget(b,1,0);
    \n layout->addWidget(c,2,0);
    \n layout->addWidget(d,2,100);<\/p>\n

    \/\/\u7ed9\u5f53\u524d\u7a97\u53e3\u6dfb\u52a0\u5e03\u5c40\u7ba1\u7406\u5668
    \n this->setLayout(layout);
    \n}<\/p>\n

    \"\"<\/p>\n

    \u6211\u5728\u6dfb\u52a0d\u6309\u94ae\u7684\u65f6\u5019\u7279\u5730\u5199\u4e86100\u8fd9\u4e2a\u5f88\u5927\u7684\u6570\u5b57，\u4f46\u662fd\u6309\u94ae\u5e76\u6ca1\u6709\u8dd1\u5230\u5f88\u8fdc\u7684\u5730\u65b9，\u56e0\u6b64，\u6211\u4eec\u6307\u5b9a\u7684\u5750\u6807\u53ea\u662f\u6307\u5b9a\u76f8\u5bf9\u987a\u5e8f\u800c\u4e0d\u662f\u6574\u6574\u610f\u4e49\u4e0a\u7684\u5750\u6807<\/span>\u3002<\/span><\/p>\n

    \u4e0b\u9762\u662f\u5173\u4e8e\u6c34\u5e73\u62c9\u4f38\u7cfb\u6570\u7684\u4f7f\u7528\u793a\u4f8b：<\/span><\/p>\n

    Widget::Widget(QWidget *parent)
    \n : QWidget(parent)
    \n , ui(new Ui::Widget)
    \n{
    \n ui->setupUi(this);<\/p>\n

    QPushButton *a = new QPushButton("\u6309\u94ae1");
    \n QPushButton *b = new QPushButton("\u6309\u94ae2");
    \n QPushButton *c = new QPushButton("\u6309\u94ae3");
    \n QPushButton *d = new QPushButton("\u6309\u94ae4");
    \n QPushButton *e = new QPushButton("\u6309\u94ae5");
    \n QPushButton *f = new QPushButton("\u6309\u94ae6");<\/p>\n

    \/\/\u521b\u5efaGrid\u5e03\u5c40\u7ba1\u7406\u5668
    \n QGridLayout* layout = new QGridLayout();
    \n layout->addWidget(a,0,0);\/\/\u6dfb\u52a0\u63a7\u4ef6\u7684\u65f6\u5019\u6307\u660e\u63a7\u4ef6\u5904\u5728\u7ba1\u7406\u5668\u4e2d\u7684\u4f4d\u7f6e\u5750\u6807
    \n layout->addWidget(b,0,1);
    \n layout->addWidget(c,0,2);
    \n layout->addWidget(d,1,0);
    \n layout->addWidget(e,1,1);
    \n layout->addWidget(f,1,2);<\/p>\n

    \/\/\u8bbe\u7f6e\u67d0\u4e00\u5217\u7684\u6c34\u5e73\u62c9\u5347\u7cfb\u6570（\u5217\u4e0e\u5217\u4e4b\u4e2d\u63a7\u4ef6\u7684\u5bbd\u5ea6\u6bd4）
    \n layout->setColumnStretch(0,0);
    \n layout->setColumnStretch(1,1);
    \n layout->setColumnStretch(2,2);<\/p>\n

    \/\/\u7ed9\u5f53\u524d\u7a97\u53e3\u6dfb\u52a0\u5e03\u5c40\u7ba1\u7406\u5668
    \n this->setLayout(layout);
    \n}<\/p>\n

    \"\"<\/p>\n

    layout->setColumnStretch(0,0);\u5e76\u4e0d\u4ee3\u8868\u6bd4\u4f8b\u4e3a0，\u800c\u662f\u4ee3\u8868\u8fd9\u4e00\u5217\u7684\u63a7\u4ef6\u4e0d\u53c2\u4e0e\u6309\u7167\u6bd4\u4f8b\u53d8\u5316\u7684\u8fc7\u7a0b<\/span>\u3002<\/span><\/p>\n

    \u4e0b\u9762\u662f\u5173\u4e8e\u5782\u76f4\u62c9\u4f38\u7cfb\u6570\u7684\u4f7f\u7528\u793a\u4f8b：<\/span><\/p>\n

    Widget::Widget(QWidget *parent)
    \n : QWidget(parent)
    \n , ui(new Ui::Widget)
    \n{
    \n ui->setupUi(this);<\/p>\n

    QPushButton *a = new QPushButton("\u6309\u94ae1");
    \n QPushButton *b = new QPushButton("\u6309\u94ae2");
    \n QPushButton *c = new QPushButton("\u6309\u94ae3");
    \n QPushButton *d = new QPushButton("\u6309\u94ae4");
    \n QPushButton *e = new QPushButton("\u6309\u94ae5");
    \n QPushButton *f = new QPushButton("\u6309\u94ae6");<\/p>\n

    \/\/\u521b\u5efaGrid\u5e03\u5c40\u7ba1\u7406\u5668
    \n QGridLayout* layout = new QGridLayout();
    \n layout->addWidget(a,0,0);\/\/\u6dfb\u52a0\u63a7\u4ef6\u7684\u65f6\u5019\u6307\u660e\u63a7\u4ef6\u5904\u5728\u7ba1\u7406\u5668\u4e2d\u7684\u4f4d\u7f6e\u5750\u6807
    \n layout->addWidget(b,0,1);
    \n layout->addWidget(c,0,2);
    \n layout->addWidget(d,1,0);
    \n layout->addWidget(e,1,1);
    \n layout->addWidget(f,1,2);<\/p>\n

    \/\/\u8bbe\u7f6e\u67d0\u4e00\u884c\u7684\u5782\u76f4\u62c9\u5347\u7cfb\u6570（\u884c\u4e0e\u884c\u4e4b\u4e2d\u63a7\u4ef6\u7684\u5bbd\u5ea6\u6bd4）
    \n layout->setRowStretch(0,0);
    \n layout->setRowStretch(1,1);<\/p>\n

    \/\/\u7ed9\u5f53\u524d\u7a97\u53e3\u6dfb\u52a0\u5e03\u5c40\u7ba1\u7406\u5668
    \n this->setLayout(layout);
    \n} <\/p>\n

    \"\"<\/p>\n

    \n

    \u9898\u5916\u8bdd\u2014\u2014\u63a7\u4ef6\u5927\u5c0f\u7b56\u7565\u5bf9\u5e03\u5c40\u7684\u5f71\u54cd<\/span><\/h3>\n

    \u6211\u4eec\u53d1\u73b0，\u4e0a\u9762\u5782\u76f4\u62c9\u4f38\u7cfb\u6570\u7684\u8bbe\u7f6e\u5b8c\u5168\u6ca1\u6709\u6548\u679c，\u56e0\u4e3a<\/span>\u6309\u94ae（\u5176\u5b83\u63a7\u4ef6\u4e00\u822c\u4e5f\u6709\u8fd9\u79cd\u60c5\u51b5）\u7684\u5927\u5c0f\u7b56\u7565\u4f1a\u5f71\u54cd\u5e03\u5c40<\/span>：<\/span><\/p>\n

    \"\"<\/span><\/p>\n

    \u6211\u4eec\u4fee\u6539\u4ee3\u7801：<\/span><\/p>\n

    Widget::Widget(QWidget *parent)
    \n : QWidget(parent)
    \n , ui(new Ui::Widget)
    \n{
    \n ui->setupUi(this);<\/p>\n

    QPushButton *a = new QPushButton("\u6309\u94ae1");
    \n QPushButton *b = new QPushButton("\u6309\u94ae2");
    \n QPushButton *c = new QPushButton("\u6309\u94ae3");
    \n QPushButton *d = new QPushButton("\u6309\u94ae4");
    \n QPushButton *e = new QPushButton("\u6309\u94ae5");
    \n QPushButton *f = new QPushButton("\u6309\u94ae6");<\/p>\n

    \/\/\u521b\u5efaGrid\u5e03\u5c40\u7ba1\u7406\u5668
    \n QGridLayout* layout = new QGridLayout();
    \n layout->addWidget(a,0,0);\/\/\u6dfb\u52a0\u63a7\u4ef6\u7684\u65f6\u5019\u6307\u660e\u63a7\u4ef6\u5904\u5728\u7ba1\u7406\u5668\u4e2d\u7684\u4f4d\u7f6e\u5750\u6807
    \n layout->addWidget(b,0,1);
    \n layout->addWidget(c,0,2);
    \n layout->addWidget(d,1,0);
    \n layout->addWidget(e,1,1);
    \n layout->addWidget(f,1,2);<\/p>\n

    \/\/\u8bbe\u7f6e\u6309\u94ae\u7684\u5c3a\u5bf8\u63aa\u65bd
    \n a->setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Expanding);
    \n b->setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Expanding);
    \n c->setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Expanding);
    \n d->setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Expanding);
    \n e->setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Expanding);
    \n f->setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Expanding);<\/p>\n

    \/\/\u8bbe\u7f6e\u67d0\u4e00\u884c\u7684\u5782\u76f4\u62c9\u5347\u7cfb\u6570（\u884c\u4e0e\u884c\u4e4b\u4e2d\u63a7\u4ef6\u7684\u5bbd\u5ea6\u6bd4）
    \n layout->setRowStretch(0,0);
    \n layout->setRowStretch(1,1);<\/p>\n

    \/\/\u7ed9\u5f53\u524d\u7a97\u53e3\u6dfb\u52a0\u5e03\u5c40\u7ba1\u7406\u5668
    \n this->setLayout(layout);
    \n} <\/p>\n

    \"\"<\/p>\n

    \u6709\u6548\u679c\u4e86\u3002<\/span><\/p>\n

    \n

    QFormLayout（\u8868\u5355\u5e03\u5c40\u7ba1\u7406\u5668）<\/span><\/h3>\n

    \u672c\u8d28\u4e0a\u662fQGridLayout\u7684\u7279\u6b8a\u60c5\u51b5，\u7528\u4e8e\u521b\u5efa\u8868\u5355\u7c7b\u578b\u7684\u5e03\u5c40\u3002<\/span><\/p>\n

    \u76f4\u63a5\u5199\u4e00\u4e2a\u4f7f\u7528\u793a\u4f8b：<\/span><\/p>\n

    Widget::Widget(QWidget *parent)
    \n : QWidget(parent)
    \n , ui(new Ui::Widget)
    \n{
    \n ui->setupUi(this);<\/p>\n

    QLabel* label1 = new QLabel("\u59d3\u540d");
    \n QLabel* label2 = new QLabel("\u7535\u8bdd");
    \n QLineEdit* line1 = new QLineEdit();
    \n QLineEdit* line2 = new QLineEdit();
    \n \/\/\u521b\u5efa\u8868\u5355\u5e03\u5c40\u7ba1\u7406\u5668
    \n QFormLayout* layout = new QFormLayout();
    \n layout->addRow(label1,line1);\/\/\u6bcf\u6b21\u6dfb\u52a0\u4e00\u884c，\u6bcf\u884c\u7531\u4e24\u4e2a\u90e8\u5206\u7ec4\u6210
    \n layout->addRow(label2,line2);<\/p>\n

    \/\/\u7ed9\u5f53\u524d\u7a97\u53e3\u6dfb\u52a0\u5e03\u5c40\u7ba1\u7406\u5668
    \n this->setLayout(layout);
    \n}<\/p>\n

    \"\"<\/p>\n

    \n

    QSpacerItem<\/span><\/h3>\n

    \u4f7f\u7528\u5e03\u5c40\u7ba1\u7406\u5668\u7684\u65f6\u5019, \u53ef\u80fd\u9700\u8981\u5728\u63a7\u4ef6\u4e4b\u95f4, \u6dfb\u52a0\u2f00\u6bb5\u7a7a\u767d\u3002\u00a0\u5c31\u53ef\u4ee5\u4f7f\u7528QSpacerItem\u6765\u8868\u793a\u3002<\/span><\/p>\n

    \u4e0b\u9762\u662f\u4f7f\u7528\u793a\u4f8b：<\/span><\/p>\n

    Widget::Widget(QWidget *parent)
    \n : QWidget(parent)
    \n , ui(new Ui::Widget)
    \n{
    \n ui->setupUi(this);<\/p>\n

    QPushButton* a = new QPushButton();
    \n QPushButton* b = new QPushButton();
    \n QPushButton* c = new QPushButton();
    \n QPushButton* d = new QPushButton();
    \n \/\/\u521b\u5efa\u8868\u5355\u5e03\u5c40\u7ba1\u7406\u5668
    \n QHBoxLayout* layout = new QHBoxLayout();
    \n \/\/\u7ed9\u5f53\u524d\u7a97\u53e3\u6dfb\u52a0\u5e03\u5c40\u7ba1\u7406\u5668
    \n this->setLayout(layout);<\/p>\n

    \/\/\u521b\u5efaSpacer\u5bf9\u8c61
    \n QSpacerItem* sp = new QSpacerItem(200,200);<\/p>\n

    layout->addWidget(a);
    \n layout->addWidget(b);
    \n layout->addWidget(c);
    \n layout->addSpacerItem(sp);\/\/\u6dfb\u52a0\u7a7a\u767d
    \n layout->addWidget(d);
    \n}<\/p>\n

    \"\"<\/p>\n

    \n

    \u6bcf\u4e2a\u63a7\u4ef6\u90fd\u662fQt\u4e2d\u5185\u7f6e\u7684\u7c7b，\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u7ee7\u627f\u8005\u8fd9\u4e9b\u7c7b，\u589e\u52a0\u65b0\u7684\u5c5e\u6027\u548c\u65b9\u6cd5，\u7ec4\u5408\u51fa\u65b0\u7684\u63a7\u4ef6，\u8fd9\u4e9b\u90fd\u662f\u53ef\u4ee5\u7684\u3002<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

    \u76ee\u5f55
    \n\u6309\u94ae\u7c7b\u63a7\u4ef6
    \nQPushButton
    \n\u8bbe\u7f6e\u6309\u94ae\u6587\u672c
    \n\u7ed9\u6309\u94ae\u8bbe\u7f6e\u56fe\u6807
    \n\u8bbe\u7f6e\u6309\u94ae\u5feb\u6377\u952e
    \n\u8bbe\u7f6e\u6309\u94ae\u91cd\u590d\u89e6\u53d1
    \nQRadioButton
    \n\u8bbe\u7f6e\u9009\u9879\u662f\u5426\u88ab\u9009\u4e2d
    \n\u8bbe\u7f6e\u9009\u9879\u662f\u5426\u53ef\u4ee5\u9009\u4e2d
    \n\u8bbe\u7f6e\u9009\u9879\u7981\u7528
    \n\u8bbe\u7f6e\u9009\u9879\u662f\u5426\u6392\u4ed6
    \n\u5c06\u9009\u9879\u5206\u7ec4
    \n\u9898\u5916\u8bdd-\u6309\u94ae(\u9009\u9879)\u76f8\u5173\u7684\u4fe1\u53f7
    \nQCheckBox \u8bbe\u7f6e\u9009\u9879\u662f\u5426\u88ab\u9009\u4e2d
    \n\u8bbe\u7f6e\u9009\u9879\u662f\u5426\u53ef\u4ee5\u9009\u4e2d
    \n\u663e\u793a\u7c7b\u63a7\u4ef6
    \nQLabel
    \n\u8bbe\u7f6e\u6587\u672c\u5185\u5bb9
    \n\u8bbe\u7f6elabel\u6587\u672c\u7684\u683c\u5f0f
    \n\u7ed9label\u6dfb\u52a0\u56fe\u7247
    \n\u8bbe\u7f6e\u5185\u5bb9(\u4e3b\u8981\u6307\u56fe\u7247)\u81ea\u52a8\u62c9\u4f38\u586b\u5145\u6574\u4e2a<\/p>\n","protected":false},"author":2,"featured_media":73447,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[218,190],"topic":[],"class_list":["post-73467","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-qt","tag-190"],"yoast_head":"\nQt\u2014\u2014\u5e38\u7528\u63a7\u4ef6 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/73467.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Qt\u2014\u2014\u5e38\u7528\u63a7\u4ef6 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u76ee\u5f55 \u6309\u94ae\u7c7b\u63a7\u4ef6 QPushButton \u8bbe\u7f6e\u6309\u94ae\u6587\u672c \u7ed9\u6309\u94ae\u8bbe\u7f6e\u56fe\u6807 \u8bbe\u7f6e\u6309\u94ae\u5feb\u6377\u952e \u8bbe\u7f6e\u6309\u94ae\u91cd\u590d\u89e6\u53d1 QRadioButton \u8bbe\u7f6e\u9009\u9879\u662f\u5426\u88ab\u9009\u4e2d \u8bbe\u7f6e\u9009\u9879\u662f\u5426\u53ef\u4ee5\u9009\u4e2d \u8bbe\u7f6e\u9009\u9879\u7981\u7528 \u8bbe\u7f6e\u9009\u9879\u662f\u5426\u6392\u4ed6 \u5c06\u9009\u9879\u5206\u7ec4 \u9898\u5916\u8bdd-\u6309\u94ae(\u9009\u9879)\u76f8\u5173\u7684\u4fe1\u53f7 QCheckBox \u8bbe\u7f6e\u9009\u9879\u662f\u5426\u88ab\u9009\u4e2d \u8bbe\u7f6e\u9009\u9879\u662f\u5426\u53ef\u4ee5\u9009\u4e2d \u663e\u793a\u7c7b\u63a7\u4ef6 QLabel \u8bbe\u7f6e\u6587\u672c\u5185\u5bb9 \u8bbe\u7f6elabel\u6587\u672c\u7684\u683c\u5f0f \u7ed9label\u6dfb\u52a0\u56fe\u7247 \u8bbe\u7f6e\u5185\u5bb9(\u4e3b\u8981\u6307\u56fe\u7247)\u81ea\u52a8\u62c9\u4f38\u586b\u5145\u6574\u4e2a\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/73467.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-07T09:06:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260207090615-6987008799d63.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"16 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/73467.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/73467.html\",\"name\":\"Qt\u2014\u2014\u5e38\u7528\u63a7\u4ef6 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-02-07T09:06:22+00:00\",\"dateModified\":\"2026-02-07T09:06:22+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/73467.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/73467.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/73467.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Qt\u2014\u2014\u5e38\u7528\u63a7\u4ef6\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Qt\u2014\u2014\u5e38\u7528\u63a7\u4ef6 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/73467.html","og_locale":"zh_CN","og_type":"article","og_title":"Qt\u2014\u2014\u5e38\u7528\u63a7\u4ef6 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u76ee\u5f55 \u6309\u94ae\u7c7b\u63a7\u4ef6 QPushButton \u8bbe\u7f6e\u6309\u94ae\u6587\u672c \u7ed9\u6309\u94ae\u8bbe\u7f6e\u56fe\u6807 \u8bbe\u7f6e\u6309\u94ae\u5feb\u6377\u952e \u8bbe\u7f6e\u6309\u94ae\u91cd\u590d\u89e6\u53d1 QRadioButton \u8bbe\u7f6e\u9009\u9879\u662f\u5426\u88ab\u9009\u4e2d \u8bbe\u7f6e\u9009\u9879\u662f\u5426\u53ef\u4ee5\u9009\u4e2d \u8bbe\u7f6e\u9009\u9879\u7981\u7528 \u8bbe\u7f6e\u9009\u9879\u662f\u5426\u6392\u4ed6 \u5c06\u9009\u9879\u5206\u7ec4 \u9898\u5916\u8bdd-\u6309\u94ae(\u9009\u9879)\u76f8\u5173\u7684\u4fe1\u53f7 QCheckBox \u8bbe\u7f6e\u9009\u9879\u662f\u5426\u88ab\u9009\u4e2d \u8bbe\u7f6e\u9009\u9879\u662f\u5426\u53ef\u4ee5\u9009\u4e2d \u663e\u793a\u7c7b\u63a7\u4ef6 QLabel \u8bbe\u7f6e\u6587\u672c\u5185\u5bb9 \u8bbe\u7f6elabel\u6587\u672c\u7684\u683c\u5f0f \u7ed9label\u6dfb\u52a0\u56fe\u7247 \u8bbe\u7f6e\u5185\u5bb9(\u4e3b\u8981\u6307\u56fe\u7247)\u81ea\u52a8\u62c9\u4f38\u586b\u5145\u6574\u4e2a","og_url":"https:\/\/www.wsisp.com\/helps\/73467.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-02-07T09:06:22+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260207090615-6987008799d63.png"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"16 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/73467.html","url":"https:\/\/www.wsisp.com\/helps\/73467.html","name":"Qt\u2014\u2014\u5e38\u7528\u63a7\u4ef6 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-02-07T09:06:22+00:00","dateModified":"2026-02-07T09:06:22+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/73467.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/73467.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/73467.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"Qt\u2014\u2014\u5e38\u7528\u63a7\u4ef6"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/73467","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=73467"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/73467\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media\/73447"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=73467"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=73467"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=73467"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=73467"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}