UIWebView中的iPhone键盘,如何更改下一个/上一个和完成按钮的语言

let language = "zh-Hans" // 更改为您想要的语言代码
let path = Bundle.main.path(forResource: language, ofType: "lproj")
let bundle = Bundle(path: path!)
let key = "UIKeyboardNextKey"
let nextKey = bundle?.localizedString(forKey: key, value: nil, table: nil)

let language = "zh-Hans" // 更改为您想要的语言代码
let path = Bundle.main.path(forResource: language, ofType: "lproj")
let bundle = Bundle(path: path!)
let key = "UIKeyboardNextKey"
let nextKey = bundle?.localizedString(forKey: key, value: nil, table: nil)

// 更改键盘的语言
UITextField.appearance().setValue(nextKey, forKey: "returnKey")
UITextView.appearance().setValue(nextKey, forKey: "returnKey")