日志以便日后查找.谢谢 1 Swift User Guide.pdf下载 http://download.csdn.net/detail/swifttrain/7442921 2 The Swift Programming Language.pdf官方手冊下载pdf版 http://download.csdn.net/detail/swifttrain/7442899 3 The Swift Programming Language.mobi 官方手冊下载 mobi版 http://downlo