我的代码是更改的UILabel的背景颜色
UILabel *pTeamAlreadybl=[[UILabel alloc]initWithFrame:CGRectMake(110, 275,180,30)];
[email protected]" Team already?";
pTeamAlreadybl.font=[UIFont boldSystemFontOfSize:16];
pTeamAlreadybl.textAlignment=UITextAlignmentLeft;
pTeamAlreadybl.textColor=[UIColor colorWithRed:61.0/255.0 green:61.0/255.0 blue:61.0/255.0 alpha:0.6];
pTeamAlreadybl.shadowColor = [UIColor colorWithWhite:1.0 alpha:0.7];
如何更改标签的背景颜色?