iOS手机类型判断

+ (NSString*)deviceVersion{
    // 需要#import "sys/utsname.h"    
struct utsname systemInfo;    
uname(&systemInfo);
    NSString *deviceString = [NSString stringWithCString:systemInfo.machine encoding:NSUTF8StringEncoding];
        //CLog(@"%@",deviceString);
        if ([deviceString isEqualToString:@"iPhone1,1"])
    return @"iPhone 1G";
    if ([deviceString isEqualToString:@"iPhone1,2"])    return @"iPhone 3G";    if ([deviceString isEqualToString:@"iPhone2,1"])    return @"iPhone 3GS";    if ([deviceString isEqualToString:@"iPhone3,1"])    return @"iPhone 4";    if ([deviceString isEqualToString:@"iPhone3,2"])    return @"Verizon iPhone 4";    if ([deviceString isEqualToString:@"iPhone4,1"])    return @"iPhone 4S";    if ([deviceString isEqualToString:@"iPhone5,2"])    return @"iPhone 5";    if ([deviceString isEqualToString:@"iPhone6,2"])    return @"iPhone 5S";    if ([deviceString isEqualToString:@"iPod1,1"])      return @"iPod Touch 1G";    if ([deviceString isEqualToString:@"iPod2,1"])      return @"iPod Touch 2G";    if ([deviceString isEqualToString:@"iPod3,1"])      return @"iPod Touch 3G";    if ([deviceString isEqualToString:@"iPod4,1"])      return @"iPod Touch 4G";    if ([deviceString isEqualToString:@"iPad1,1"])      return @"iPad";    if ([deviceString isEqualToString:@"iPad2,1"])      return @"iPad 2 (WiFi)";    if ([deviceString isEqualToString:@"iPad2,2"])      return @"iPad 2 (GSM)";    if ([deviceString isEqualToString:@"iPad2,3"])      return @"iPad 2 (CDMA)";    if ([deviceString isEqualToString:@"iPad3,4"])      return @"iPad 4 (WiFi)";    if ([deviceString isEqualToString:@"i386"])         return @"Simulator";    if ([deviceString isEqualToString:@"x86_64"])       return @"Simulator";        //CLog(@"NOTE: Unknown device type: %@", deviceString);        return deviceString;}