keyboard添加down按钮
self.textView.inputAccessoryView = [self addToolbar]; - (UIToolbar *)addToolbar { UIToolbar *toolbar = [[UIToolbar alloc] initWithFrame:CGRectMake(0, 0, CGRectGetWidth(self.view.frame), 35)]; toolbar.tintColor = [UIColor blueColor]; toolbar.backgroundColor = [UIColor grayColor]; UIBarButtonItem *nextButton = [[UIBarButtonItem alloc] initWithTitle:@"下一步" style:UIBarButtonItemStylePlain target:self action:@selector(nextTextField)]; UIBarButtonItem *prevButton = [[UIBarButtonItem alloc] initWithTitle:@"上一步" style:UIBarButtonItemStylePlain target:self action:@selector(prevTextField)]; UIBarButtonItem *space = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil]; UIBarButtonItem *bar = [[UIBarButtonItem alloc] initWithTitle:@"完成" style:UIBarButtonItemStylePlain target:self action:@selector(textFieldDone)]; toolbar.items = @[nextButton, prevButton, space, bar]; return toolbar; }