_ _____  _            _             _  __         _                      _ 
  _ | |_  / \| |_  _ _ __ | |__  ___ _ _| |/ /___ _  _| |__  ___  __ _ _ _ __| |
 | || |/ /| .` | || | '  \| '_ \/ -_) '_| ' </ -_) || | '_ \/ _ \/ _` | '_/ _` |
  \__//___|_|\_|\_,_|_|_|_|_.__/\___|_| |_|\_\___|\_, |_.__/\___/\__,_|_| \__,_|
                                                  |__/                          

//初始化数字键盘
JZNumberKeyboard *keyBoard = [[JZNumberKeyboard alloc] init];
//输入视图textfield&textView
[keyBoard setInputView:textField];
//添加到主视图中
[self.view addSubview:textField];