导航栏一侧有多个按钮的处理

//导航栏一侧有多个按钮的时候

//写成一个view上

UIView * viewBackInNavi=[[UIView alloc]initWithFrame:CGRectMake(0, 0, 60, 30)];

viewBackInNavi.backgroundColor=[UIColor clearColor];

viewBackInNavi.userInteractionEnabled=YES;

//重做按钮

UIButton *myRightRePaintBtn=[[UIButton alloc]initWithFrame:CGRectMake(0, 0, 30, 30)];

[myRightRePaintBtn addTarget:self action:@selector(clear:) forControlEvents:UIControlEventTouchUpInside];

[myRightRePaintBtn setBackgroundColor:[UIColor clearColor]];

[myRightRePaintBtn.titleLabel setFont:[UIFont systemFontOfSize:15]];

[myRightRePaintBtn setImage:[UIImage imageNamed:@"iconfont-zhongzuo"] forState:UIControlStateNormal];

[myRightRePaintBtn setTitle:[NSString stringWithFormat:@" %@",NSLocalizedString(@"local_paintAgain", nil)] forState:UIControlStateNormal];

myRightRePaintBtn.titleLabel.adjustsFontSizeToFitWidth=YES;

[viewBackInNavi addSubview:myRightRePaintBtn];

//提交按钮

UIButton *myRightSubmitBtn=[[UIButton alloc]initWithFrame:CGRectMake(30, 0, 30, 30)];

[myRightSubmitBtn addTarget:self action:@selector(submitBtnClicked) forControlEvents:UIControlEventTouchUpInside];

[myRightSubmitBtn setBackgroundColor:[UIColor clearColor]];

[myRightSubmitBtn.titleLabel setFont:[UIFont systemFontOfSize:15]];

[myRightSubmitBtn setImage:[UIImage imageNamed:@"iconfont-tijiao-copy"] forState:UIControlStateNormal];

[myRightSubmitBtn setTitle:[NSString stringWithFormat:@" %@",NSLocalizedString(@"local_card", nil)] forState:UIControlStateNormal];

myRightSubmitBtn.titleLabel.adjustsFontSizeToFitWidth=YES;

[viewBackInNavi addSubview:myRightSubmitBtn];

UIBarButtonItem * right=[[UIBarButtonItem alloc]initWithCustomView:viewBackInNavi];

//将整个viewBackInNavi右移10

UIBarButtonItem *negativeSpacer = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace target:nil action:nil];

negativeSpacer.width =-10;//负数为右移，正数为左移

self.navigationItem.rightBarButtonItems = [NSArray arrayWithObjects:negativeSpacer,right, nil nil];