得到圆角UITextView 及修改样式

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

        stock_dm_text.textColor=[UIColor blackColor];

        stock_dm_text.layer.cornerRadius = 6;

        stock_dm_text.layer.masksToBounds = YES;