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设置键盘顶部显示的工具条

- (void)createKeyboardTool{    keyboardTool = [[UIToolbar alloc] initWithFrame: CGRectMake(kZero, kZero, kScreenW, 44.0f)];    NSMutableArray *myToolBarItems = [NSMutableArray array];
  //创建键盘工具条上面的按钮,并设置点击事件 UIBarButtonItem
*cancelBtn = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemReply target:self action:@selector(cancelAction)]; UIBarButtonItem *space = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:self action:@selector(saveAction)]; UIBarButtonItem *saveBtn = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemDone target:self action:@selector(saveAction)]; [myToolBarItems addObject:cancelBtn]; [myToolBarItems addObject:space]; [myToolBarItems addObject:saveBtn]; keyboardTool.items = myToolBarItems;}
    //inputAccessoryView:设置键盘顶部显示的工具条;inputView:自定义键盘
commentTextView = [[UITextView alloc]initWithFrame:CGRectMake(kZero, kZero, kScreenW, 200)]; [commentTextView becomeFirstResponder]; commentTextView.inputAccessoryView = keyboardTool;