需要#import "sys/utsname.h" structutsname systemInfo; uname(&systemInfo); NSString*deviceString = [NSStringstringWithCString:systemInfo.machine encoding:NSUTF8StringEncoding]; 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:@"iPhone4,1"]) return@"iPhone 4S"; if([deviceString isEqualToString:@"iPhone5,2"]) return@"iPhone 5"; if([deviceString isEqualToString:@"iPhone3,2"]) return@"Verizon iPhone 4"; 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:@"i386"]) return@"Simulator"; if([deviceString isEqualToString:@"x86_64"]) return@"Simulator"; NSLog(@"NOTE: Unknown device type: %@", deviceString); returndeviceString;原文：http://www.cnblogs.com/liujiancheng/p/6074182.html