pragma mark - 页面 出现&消失

• (void)viewWillAppear:(BOOL)animated{
  [super viewWillAppear:animated];

  [self setStatusBarBackgroundColor:JKColor(88, 79, 95)];

}

• (void)viewDidDisappear:(BOOL)animated{
  [super viewDidDisappear:animated];

[self setStatusBarBackgroundColor:[UIColor clearColor]];

}

//设置状态栏颜色

• (void)setStatusBarBackgroundColor:(UIColor *)color {

  UIView *statusBar = [[[UIApplication sharedApplication] valueForKey:@"statusBarWindow"] valueForKey:@"statusBar"];
  NSLog(@"statusBar.backgroundColor--->%@",statusBar.backgroundColor);
  if ([statusBar respondsToSelector:@selector(setBackgroundColor:)]) {
  statusBar.backgroundColor = color;
  }
  }