移动滚动条到底端的方法
2011-07-15CGPoint bottomOffset = CGPointMake(0, [textView contentSize].height - textView.frame.size.height);
if (bottomOffset.y > 0)
[textView setContentOffset: bottomOffset animated: YES];
CGPoint bottomOffset = CGPointMake(0, [textView contentSize].height - textView.frame.size.height);
if (bottomOffset.y > 0)
[textView setContentOffset: bottomOffset animated: YES];