摘要: NSString * urlString = @"App-Prefs:root=WIFI"; if ([[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:urlString]]) { if ([[UIDevice cu 阅读全文
posted @ 2017-06-05 16:13 憂幽 阅读(693) 评论(0) 推荐(0) 编辑