得到圆角UITextView 及修改样式

stock_dm_text = [[[UITextViewalloc] initWithFrame:CGRectMake(28,110, 90, 28)]autorelease];

       stock_dm_text.textColor=[UIColorblackColor];

       stock_dm_text.layer.cornerRadius =6;

       stock_dm_text.layer.masksToBounds =YES;