現在自己的工程裡需要用到設備的判斷,查看了一些信息,現在進行匯總,以及自己的補充

#import "sys/sysctl.h"
#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad
{
    [super viewDidLoad];
	// Do any additional setup after loading the view, typically from a nib.
//    UIDevice *dev = [UIDevice currentDevice];
//    NSLog(@"dev.localizedModel==%@",dev.localizedModel);
//    NSLog(@"dev.systemVersion==%@",dev.systemVersion);
//    NSLog(@"dev.name===%@",dev.name);
//    NSLog(@"dev.model===%@",dev.model);
//    NSLog(@"dev.systemName===%@",dev.systemName);
    
    NSString *dev =  [self doDevicePlatform];
    NSLog(@"dev = %@",dev);

}

- (NSString*) doDevicePlatform
{
    size_t size;
    int nR = sysctlbyname("hw.machine", NULL, &size, NULL, 0);
    char *machine = (char *)malloc(size);
    nR = sysctlbyname("hw.machine", machine, &size, NULL, 0);
    NSString *platform = [NSString stringWithCString:machine encoding:NSUTF8StringEncoding];
    free(machine);
    
    if ([platform isEqualToString:@"iPhone1,1"]) {
        
        platform = @"iPhone";
        
    } else if ([platform isEqualToString:@"iPhone1,2"]) {
        
        platform = @"iPhone 3G";
        
    } else if ([platform isEqualToString:@"iPhone2,1"]) {
        
        platform = @"iPhone 3GS";
        
    } else if ([platform isEqualToString:@"iPhone3,1"]||[platform isEqualToString:@"iPhone3,2"]||[platform isEqualToString:@"iPhone3,3"]) {
        
        platform = @"iPhone 4";
        
    } else if ([platform isEqualToString:@"iPhone4,1"]) {
        
        platform = @"iPhone 4S";
        
    } else if ([platform isEqualToString:@"iPhone5,1"]||[platform isEqualToString:@"iPhone5,2"]) {
        
        platform = @"iPhone 5";
        
    }else if ([platform isEqualToString:@"iPhone5,3"]||[platform isEqualToString:@"iPhone5,4"]) {
        
        platform = @"iPhone 5C";
        
    }else if ([platform isEqualToString:@"iPhone6,2"]||[platform isEqualToString:@"iPhone6,1"]) {
        
        platform = @"iPhone 5S";
        
    }else if ([platform isEqualToString:@"iPod4,1"]) {
        
        platform = @"iPod touch 4";
        
    }else if ([platform isEqualToString:@"iPod5,1"]) {
        
        platform = @"iPod touch 5";
        
    }else if ([platform isEqualToString:@"iPod3,1"]) {
        
        platform = @"iPod touch 3";
        
    }else if ([platform isEqualToString:@"iPod2,1"]) {
        
        platform = @"iPod touch 2";
        
    }else if ([platform isEqualToString:@"iPod1,1"]) {
        
        platform = @"iPod touch";
        
    } else if ([platform isEqualToString:@"iPad3,2"]||[platform isEqualToString:@"iPad3,1"]) {
        
        platform = @"iPad 3";
        
    } else if ([platform isEqualToString:@"iPad2,2"]||[platform isEqualToString:@"iPad2,1"]||[platform isEqualToString:@"iPad2,3"]||[platform isEqualToString:@"iPad2,4"]) {
        
        platform = @"iPad 2";
        
    }else if ([platform isEqualToString:@"iPad1,1"]) {
        
        platform = @"iPad 1";
        
    }else if ([platform isEqualToString:@"iPad2,5"]||[platform isEqualToString:@"iPad2,6"]||[platform isEqualToString:@"iPad2,7"]) {
        
        platform = @"ipad mini";
        
    } else if ([platform isEqualToString:@"iPad3,3"]||[platform isEqualToString:@"iPad3,4"]||[platform isEqualToString:@"iPad3,5"]||[platform isEqualToString:@"iPad3,6"]) {
        
        platform = @"ipad 3";
        
    }
    
    return platform;
}

參考文章:如何判斷當前iOS設備 ios，設備標簽與設備型號的對應關系 ios 得到設備型號，設備類型