一. 跳转到“设置”
//>=iOS8.0可用[[UIApplication sharedApplication] openURL:[NSURL URLWithString:UIApplicationOpenSettingsURLString]]; [[UIApplication shared
阅读背景：
iOS，利用URL Schemes跳转到设置wifi、蜂窝移动网络页面
来源：互联网
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:UIApplicationOpenSettingsURLString]]; [[UIApplication shared
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