自定义导航左按钮

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直接上代码：

#pragma mark - 顶部返回按钮

-(void)customizeNavigationLeftButton

{

    UIButton *leftBt = [UIButton buttonWithType:UIButtonTypeCustom];

    leftBt.frame = CGRectMake(0, 0, 8*WIDTH_ADAPTAION_RATE, 15*HEIGHT_ADAPTAION_RATE);

    [leftBt setBackgroundImage: NAVIGATIONBAR_LEFT_RETURNBUTTON_PIC forState:UIControlStateNormal];

    leftBt.backgroundColor = [UIColor clearColor];

    self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc]initWithCustomView:leftBt];

    [leftBt addTarget:self action:@selector(returnAction:) forControlEvents:UIControlEventTouchUpInside];

}

自定义导航左按钮

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原文地址：http://www.cnblogs.com/yw2015/p/4990840.html