let bookVC = WHC_ReadBookVC(nibName: "WHC_ReadBookVC", bundle: nil)
bookVC.chapterArr = chapterTitles as NSArray
bookVC.bookId = "1"
bookVC.bookName = "2061太空漫游"
bookVC.filePath = NSBundle.mainBundle().pathForResource("2061太空漫游", ofType: "txt")
let bookNV = UINavigationController(rootViewController: bookVC)
self.presentViewController(bookNV, animated: true, completion: nil)