我需要在UIButton的左侧显示一个电子邮件地址，但它被定位到了中心。有没有办法将对齐设置为UIButton的左侧？这是我当前的代码:UIButton*emailBtn=[[UIButtonalloc]initWithFrame:CGRectMake(5,30,250,height+15)];emailBtn.backgroundColor=[UIColorclearColor];[emailBtnsetTitle:obj2.customerEmailforState:UIControlStateNormal];emailBtn.titleLabel.font=[UIFontsyst

我需要在UIButton的左侧显示一个电子邮件地址，但它被定位到了中心。有没有办法将对齐设置为UIButton的左侧？这是我当前的代码:UIButton*emailBtn=[[UIButtonalloc]initWithFrame:CGRectMake(5,30,250,height+15)];emailBtn.backgroundColor=[UIColorclearColor];[emailBtnsetTitle:obj2.customerEmailforState:UIControlStateNormal];emailBtn.titleLabel.font=[UIFontsyst