iOS状态栏字体设置为白色
info.plist 添加字段: view controller -base status bar appearence 设为NO
[[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleLightContent animated:NO];
info.plist 添加字段: view controller -base status bar appearence 设为NO
[[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleLightContent animated:NO];