JComboBox组件如何能和数据库连接

		// ======================自动搜索JCOMBOBOX项目==================
		iFrmPName = new JComboBox();
		iFrmPName.addItem("请选择平台");
		Iterator iFrmPNameIt = dao.queryPlatformSet().iterator();
		while (iFrmPNameIt.hasNext()) {
			PlatformSet p = (PlatformSet) iFrmPNameIt.next();
			iFrmPName.addItem(p.getName());