+ (NSString *)iphoneType {
   
        //    需要导入头文件：#import <sys/utsname.h>
   
    struct utsname systemInfo;
   
    uname(&systemInfo);
   
    NSString *platform = [NSString stringWithCString:systemInfo.machine encoding:NSASCIIStringEncoding];
   
    if ([platform isEqualToString:@"iPhone1,1"]) return @"iPhone 2G";
   
    if ([platform isEqualToString:@"iPhone1,2"]) return @"iPhone 3G";
   
    if ([platform isEqualToString:@"iPhone2,1"]) return @"iPhone 3GS";
   
    if ([platform isEqualToString:@"iPhone3,1"]) return @"iPhone 4";
   
    if ([platform isEqualToString:@"iPhone3,2"]) return @"iPhone 4";
   
    if ([platform isEqualToString:@"iPhone3,3"]) return @"iPhone 4";
   
    if ([platform isEqualToString:@"iPhone4,1"]) return @"iPhone 4S";
   
    if ([platform isEqualToString:@"iPhone5,1"]) return @"iPhone 5";
   
    if ([platform isEqualToString:@"iPhone5,2"]) return @"iPhone 5";
   
    if ([platform isEqualToString:@"iPhone5,3"]) return @"iPhone 5c";
   
    if ([platform isEqualToString:@"iPhone5,4"]) return @"iPhone 5c";
   
    if ([platform isEqualToString:@"iPhone6,1"]) return @"iPhone 5s";
   
    if ([platform isEqualToString:@"iPhone6,2"]) return @"iPhone 5s";
   
    if ([platform isEqualToString:@"iPhone7,1"]) return @"iPhone 6 Plus";
   
    if ([platform isEqualToString:@"iPhone7,2"]) return @"iPhone 6";
   
    if ([platform isEqualToString:@"iPhone8,1"]) return @"iPhone 6s";
   
    if ([platform isEqualToString:@"iPhone8,2"]) return @"iPhone 6s Plus";
   
    if ([platform isEqualToString:@"iPhone8,4"]) return @"iPhone SE";
   
    if ([platform isEqualToString:@"iPhone9,1"]) return @"iPhone 7";//国行、日版、港行
   
    if ([platform isEqualToString:@"iPhone9,2"]) return @"iPhone 7 Plus";//港行、国行
    if ([platform isEqualToString:@"iPhone9,3"])    return @"iPhone 7";//美版、台版
    if ([platform isEqualToString:@"iPhone9,4"])    return @"iPhone 7 Plus";//美版、台版
   
    if ([platform isEqualToString:@"iPhone10,1"])   return @"iPhone 8";//国行(A1863)、日行(A1906)
   
    if ([platform isEqualToString:@"iPhone10,4"])   return @"iPhone 8";//美版(Global/A1905)
   
    if ([platform isEqualToString:@"iPhone10,2"])   return @"iPhone 8 Plus";//国行(A1864)、日行(A1898)
   
    if ([platform isEqualToString:@"iPhone10,5"])   return @"iPhone 8 Plus";//美版(Global/A1897)
   
    if ([platform isEqualToString:@"iPhone10,3"])   return @"iPhone X";//国行(A1865)、日行(A1902)
   
    if ([platform isEqualToString:@"iPhone10,6"])   return @"iPhone X";//美版(Global/A1901)
   
   
    if ([platform isEqualToString:@"iPod1,1"])   return @"iPod Touch 1G";
   
    if ([platform isEqualToString:@"iPod2,1"])   return @"iPod Touch 2G";
   
    if ([platform isEqualToString:@"iPod3,1"])   return @"iPod Touch 3G";
   
    if ([platform isEqualToString:@"iPod4,1"])   return @"iPod Touch 4G";
   
    if ([platform isEqualToString:@"iPod5,1"])   return @"iPod Touch 5G";
   
    if ([platform isEqualToString:@"iPad1,1"])   return @"iPad 1G";
   
    if ([platform isEqualToString:@"iPad2,1"])   return @"iPad 2";
   
    if ([platform isEqualToString:@"iPad2,2"])   return @"iPad 2";
   
    if ([platform isEqualToString:@"iPad2,3"])   return @"iPad 2";
   
    if ([platform isEqualToString:@"iPad2,4"])   return @"iPad 2";
   
    if ([platform isEqualToString:@"iPad2,5"])   return @"iPad Mini 1G";
   
    if ([platform isEqualToString:@"iPad2,6"])   return @"iPad Mini 1G";
   
    if ([platform isEqualToString:@"iPad2,7"])   return @"iPad Mini 1G";
   
    if ([platform isEqualToString:@"iPad3,1"])   return @"iPad 3";
   
    if ([platform isEqualToString:@"iPad3,2"])   return @"iPad 3";
   
    if ([platform isEqualToString:@"iPad3,3"])   return @"iPad 3";
   
    if ([platform isEqualToString:@"iPad3,4"])   return @"iPad 4";
   
    if ([platform isEqualToString:@"iPad3,5"])   return @"iPad 4";
   
    if ([platform isEqualToString:@"iPad3,6"])   return @"iPad 4";
   
    if ([platform isEqualToString:@"iPad4,1"])   return @"iPad Air";
   
    if ([platform isEqualToString:@"iPad4,2"])   return @"iPad Air";
   
    if ([platform isEqualToString:@"iPad4,3"])   return @"iPad Air";
   
    if ([platform isEqualToString:@"iPad4,4"])   return @"iPad Mini 2G";
   
    if ([platform isEqualToString:@"iPad4,5"])   return @"iPad Mini 2G";
   
    if ([platform isEqualToString:@"iPad4,6"])   return @"iPad Mini 2G";
   
    if ([platform isEqualToString:@"i386"])      return @"iPhone Simulator";
   
    if ([platform isEqualToString:@"x86_64"])    return @"iPhone Simulator";
   
    return platform;
   
}