#include \n#include \n\nint main(int argc, char *argv[])\n{\n QApplication a(argc, argv);\n\n QListWidget listWidget;\n \n // 设置样式表\n listWidget.setStyleSheet("QListWidget {\n border: none; // 不显示边框\n background-color: transparent; // 设置背景透明\n }");\n \n // 添加列表项\n listWidget.addItem("Item 1");\n listWidget.addItem("Item 2");\n listWidget.addItem("Item 3");\n\n listWidget.show();\n\n return a.exec();\n}