UIButton ? ?*leftBtn = [[UIButton ?alloc] ? ?initWithFrame:CGRectMake(-10,0,scrrenW*0.05,44)];
[leftBtn ? ?setBackgroundImage:[UIImage ? imageNamed:@"btnBack"] ? forState:UIControlStateNormal];
leftBtn.contentHorizontalAlignment ? = UIControlContentHorizontalAlignmentLeft;
[leftBtn ? setTitleColor:totalColor ? ?forState:UIControlStateNormal];
leftBtn.titleLabel.font= [UIFont ? ?systemFontOfSize:40];
[leftBtn ? addTarget:self action:@selector(backClick) ? forControlEvents:UIControlEventTouchUpInside];
UIBarButtonItem ? *item = [[UIBarButton ? Itemalloc] ? initWithCustomView:leftBtn];
UIBarButtonItem ? *negativeSpacer1 = [[UIBarButtonItem ? ? ?alloc] ? ?initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace
? ? target:nil ? ?action:nil];
negativeSpacer1.width= -20;//這個(gè)數(shù)值可以根據(jù)情況自由變化
self.navigationItem.leftBarButtonItems=@[negativeSpacer, item];// 解決左邊按鈕靠左的問題把曼，****右邊按鈕可以用同樣的方法解決
注：不喜勿噴！９倭伞刻像！
