老大新增个需求,连接服务器时要区分内外网,需求理解了,现实很骨感啊,没办法,干.
#import <Foundation/Foundation.h> /* 依赖于以下Framework SystemConfiguration CoreTelephony */ typedef enum _NetWorkType { kNetworkOff = 0, kNetworkWifi, kNetworkWLan,//如果不能获取到更详细的,将统一返回该值(iOS7以上才能获取到) kNetworkWLan2G, kNetworkWLan3G, kNetworkGPRS, kNetworkEdge, kNetworkWCDMA, kNetworkHSDPA, kNetworkHSUPA, kNetworkCDMA1x, kNetworkCDMAEVDORev0, kNetworkCDMAEVDORevA, kNetworkCDMAEVDORevB, kNetworkHRPD, kNetworkLTE, }NetworkType; @interface HSNetworkDetect : NSObject //通用接口 /* 返回0~2的网络类型枚举值NetworkType */ +(NetworkType)getNetworkType; /* iOS7及以上,确定是蜂窝网络的情况下,返回>2的网络类型枚举值;否则,仍返回2 */ +(NetworkType)getCellularDataNetworkType; /* 检测网络是否可达,使用Reachability */ +(BOOL)isReachable:(NSString*)address port:(NSInteger)port; /* 获取当前连接的WIFI热点的SSID */ +(NSString*)getWifiSSID; @end
#import "HSNetworkDetect.h" #import "Reachability.h" #import <CoreTelephony/CTTelephonyNetworkInfo.h> #import <SystemConfiguration/CaptiveNetwork.h> #define ISIOS7 !([[[UIDevice currentDevice] systemVersion] floatValue] <=6.9f) #define SENTENCED_EMPTY(string) (string = ((string == nil) ? @"":string)) @implementation HSNetworkDetect #pragma mark 通用接口 +(NetworkType)getNetworkType { struct sockaddr_in zeroAddress; bzero(&zeroAddress, sizeof(zeroAddress)); zeroAddress.sin_len = sizeof(zeroAddress); zeroAddress.sin_family = AF_INET; SCNetworkReachabilityRef defaultRouteReachability = SCNetworkReachabilityCreateWithAddress(NULL, (struct sockaddr *)&zeroAddress); //创建测试连接的引用: SCNetworkReachabilityFlags flags; SCNetworkReachabilityGetFlags(defaultRouteReachability, &flags); if ((flags & kSCNetworkReachabilityFlagsReachable) == 0) { return kNetworkOff; } NetworkType retVal = kNetworkOff; if ((flags & kSCNetworkReachabilityFlagsConnectionRequired) == 0) { retVal = kNetworkWifi; } if ((((flags & kSCNetworkReachabilityFlagsConnectionOnDemand ) != 0) || (flags & kSCNetworkReachabilityFlagsConnectionOnTraffic) != 0)) { if ((flags & kSCNetworkReachabilityFlagsInterventionRequired) == 0) { retVal = kNetworkWifi; } } if ((flags & kSCNetworkReachabilityFlagsIsWWAN) == kSCNetworkReachabilityFlagsIsWWAN) { if((flags & kSCNetworkReachabilityFlagsReachable) == kSCNetworkReachabilityFlagsReachable) { if ((flags & kSCNetworkReachabilityFlagsTransientConnection) == kSCNetworkReachabilityFlagsTransientConnection) { retVal = kNetworkWLan3G; if((flags & kSCNetworkReachabilityFlagsConnectionRequired) == kSCNetworkReachabilityFlagsConnectionRequired) { retVal = kNetworkWLan2G; } } } } return retVal; } +(NetworkType)getCellularDataNetworkType { if (ISIOS7) { CTTelephonyNetworkInfo *telephonyInfo = [CTTelephonyNetworkInfo new]; NSString* wlanNetwork = telephonyInfo.currentRadioAccessTechnology; if (wlanNetwork == nil) return kNetworkOff; if([wlanNetwork isEqualToString:CTRadioAccessTechnologyGPRS ]) { return kNetworkGPRS; } else if([wlanNetwork isEqualToString:CTRadioAccessTechnologyEdge ]) { return kNetworkEdge; } else if([wlanNetwork isEqualToString:CTRadioAccessTechnologyWCDMA ]) { return kNetworkWCDMA; } else if([wlanNetwork isEqualToString:CTRadioAccessTechnologyHSDPA ]) { return kNetworkHSDPA; } else if([wlanNetwork isEqualToString:CTRadioAccessTechnologyHSUPA ]) { return kNetworkHSUPA; } else if([wlanNetwork isEqualToString:CTRadioAccessTechnologyCDMA1x ]) { return kNetworkCDMA1x; } else if([wlanNetwork isEqualToString:CTRadioAccessTechnologyCDMAEVDORev0]) { return kNetworkCDMAEVDORev0; } else if([wlanNetwork isEqualToString:CTRadioAccessTechnologyCDMAEVDORevA]) { return kNetworkCDMAEVDORevA; } else if([wlanNetwork isEqualToString:CTRadioAccessTechnologyCDMAEVDORevB]) { return kNetworkCDMAEVDORevB; } else if([wlanNetwork isEqualToString:CTRadioAccessTechnologyeHRPD ]) { return kNetworkHRPD; } else if([wlanNetwork isEqualToString:CTRadioAccessTechnologyLTE ]) { return kNetworkLTE; } } return kNetworkWLan; } +(NSString*)getWifiSSID { NSArray *ifs = (__bridge id)CNCopySupportedInterfaces(); id info = nil; for (NSString *ifnam in ifs) { info = (__bridge id)CNCopyCurrentNetworkInfo((__bridge CFStringRef)ifnam); if (info && [info count]) { NSString *ssid=[info objectForKey:(__bridge NSString *)kCNNetworkInfoKeySSID]; //NSString *bssid=[info objectForKey:(__bridge NSString *)kCNNetworkInfoKeyBSSID]; //NSLog(@"interfaceName:%@ ssid:%@ bssid:%@",ifnam,ssid,bssid); return ssid; } } return nil; } +(BOOL)isReachable:(NSString*)address port:(NSInteger)port { Reachability* poReach = [Reachability reachabilityWithHostname:[NSString stringWithFormat:@"%@:%d",address,port]]; BOOL bRet = [poReach isReachable]; return bRet; } @end
PS--->老大的脾气你别猜,猜来猜去你也猜不明白.
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