摘要: 实例1: Class printInteractionController = NSClassFromString(@"UIPrintInteractionController"); if ((printInteractionController != nil) && [printInteractionController isPrintingAvailable]) { printInteraction = [printInteractionController sharedPrintController]; ... 阅读全文
posted @ 2012-06-26 14:32 我的程序人生 阅读(6132) 评论(0) 推荐(1) 编辑