按钮-左边文字，右边图片

UIButton*registBtn = [UIButtonbuttonWithType:UIButtonTypeCustom];

registBtn.frame=CGRectMake(SCREEN_WIDTH-110,STATUSBAR_HEIGHT,100,50);

[registBtnsetTitle:@"快速注册"forState:UIControlStateNormal];

[registBtnsetTitleColor:LightBlueColorforState:UIControlStateNormal];

registBtn.titleLabel.font= [UIFontsystemFontOfSize:16.f];

[registBtnsetImage:[UIImageimageNamed:@"LogIn_BlueNext"]forState:UIControlStateNormal];

[registBtnaddTarget:selfaction:@selector(registBtnClick)forControlEvents:UIControlEventTouchUpInside];

[self.viewaddSubview:registBtn];

//左边文字，右边图片的设置

[registBtnsetTitleEdgeInsets:UIEdgeInsetsMake(0, -registBtn.imageView.size.width,0, registBtn.imageView.size.width)];

[registBtnsetImageEdgeInsets:UIEdgeInsetsMake(0, registBtn.titleLabel.bounds.size.width,0, -registBtn.titleLabel.bounds.size.width)];