关于QListWidget自定义Item的学习 Qt

【关于QListWidget自定义Item的学习】直接上代码，

QListWidget *listWidget = new QListWidget; QWidget *widget = new QWidget; QListWidgetItem *item = new QListWidgetItem(listWidget ); listWidget->addItem(nitem); nitem->setSizeHint(QSize(0,50)); ui->listWidget->setItemWidget(nitem,widget);

上面的代码是实现将widget设置为listWidget的Item，
需要对item自定义的话，直接重新封装一个继承于QWidget的类就可以了，下面贴出我的相关代码，供参考：

ProjectDialog::ProjectDialog(QString path,QWidget *parent) : QDialog(parent), ui(new Ui::ProjectDialog) { ui->setupUi(this); //获取所有的文件夹 QDir dir(path); m_path = path; dir.setFilter(QDir::Dirs); foreach(QFileInfo fullDir, dir.entryInfoList()) { if(fullDir.fileName() == "." || fullDir.fileName() == "..") continue; QWidget *widget = createItemWidget(fileName); QListWidgetItem *item = new QListWidgetItem(ui->listWidget); ui->listWidget->addItem(item); item->setSizeHint(QSize(0,50)); ui->listWidget->setItemWidget(item,widget); } }ProjectDialog::~ProjectDialog() { delete ui; }QWidget *ProjectDialog::createItemWidget(QString projectName) { QFont font; font.setPixelSize(18); QWidget *widget = new QWidget; widget->setMinimumHeight(40); QHBoxLayout *layout = new QHBoxLayout(widget); QLabel *lab_name = new QLabel(this); lab_name->setMinimumHeight(30); lab_name->setFont(font); lab_name->setText(QStringLiteral("名称:")); QLabel *lab_projectName = new QLabel(widget); lab_projectName->setStyleSheet("border-width: 1px; border-style: solid; border-color: rgb(0, 0, 0); "); lab_projectName->setText(projectName); lab_projectName->setAlignment(Qt::AlignCenter); lab_projectName->setMinimumSize(120,30); lab_projectName->setFont(font); QToolButton *btn_info = new QToolButton(widget); btn_info->setMinimumSize(60,30); btn_info->setText(QStringLiteral("文件详情")); btn_info->setToolTip(QStringLiteral("文件详情")); btn_info->setFocusProxy(this); btn_info->setFont(font); QToolButton *btn_selected = new QToolButton(widget); btn_selected->setMinimumSize(60,30); btn_selected->setText(QStringLiteral("选择")); btn_selected->setToolTip(QStringLiteral("选择")); btn_selected->setFont(font); QToolButton *btn_export = new QToolButton(widget); btn_export->setMinimumSize(60,30); btn_export->setText(QStringLiteral("导出到U盘")); btn_export->setToolTip(QStringLiteral("导出到U盘")); btn_export->setFont(font); layout->addWidget(lab_name,0,Qt::AlignCenter); layout->addWidget(lab_projectName,0,Qt::AlignCenter); layout->addWidget(btn_info,0,Qt::AlignCenter); layout->addWidget(btn_selected,0,Qt::AlignCenter); layout->addWidget(btn_export,0,Qt::AlignCenter); widget->setLayout(layout); return widget; }

这里面的createItemWidget函数返回一个QWidget类指针，可以直接使用，一般最好还是封装一个Widget类比较好点，这样相对来说灵活点。