獲取iOS裝置型號，找了一圈發現一般寫的都不夠全，自己完善了一下。

呼叫記得加上標頭檔案：

#import <sys/utsname.h>

+ (NSString*)deviceString

{

structutsname systemInfo;

uname(&systemInfo);

NSString *deviceString = [NSStringstringWithCString:systemInfo.machineencoding:NSUTF8StringEncoding];

if ([deviceStringisEqualToString:@"iPhone1,1"

if ([deviceStringisEqualToString:@"iPhone1,2"])return [NSStringstringWithFormat:@"%@",@"iPhone3G"];

if ([deviceStringisEqualToString:@"iPhone2,1"])return [NSStringstringWithFormat:@"%@",@"iPhone3GS"];

if ([deviceStringisEqualToString:@"iPhone3,1"

if ([deviceStringisEqualToString:@"iPhone4,1"])return [NSStringstringWithFormat:@"%@",@"iPhone4S"];

if ([deviceStringisEqualToString:@"iPhone5,1"])return [NSStringstringWithFormat:@"%@",@"iPhone5"];

if ([deviceStringisEqualToString:@"iPhone5,2"

if ([deviceStringisEqualToString:@"iPhone5,3"])return [NSStringstringWithFormat:@"%@",@"iPhone5c"];

if ([deviceStringisEqualToString:@"iPhone5,4"])return [NSStringstringWithFormat:@"%@",@"iPhone5c"];

if ([deviceStringisEqualToString:@"iPhone6,1"])return [NSStringstringWithFormat:@"%@",@"iPhone5s"];

if ([deviceStringisEqualToString:@"iPhone6,2"])return [NSStringstringWithFormat:@"%@",@"iPhone5s"];

if ([deviceStringisEqualToString:@"iPhone7,1"])return [NSStringstringWithFormat:@"%@",@"iPhone6Plus"];

if ([deviceStringisEqualToString:@"iPhone7,2"])return [NSStringstringWithFormat:@"%@",@"iPhone6"];

if ([deviceStringisEqualToString:@"iPhone8,4"])return [NSStringstringWithFormat:@"%@",@"iPhone SE"];

if ([deviceStringisEqualToString:@"iPhone8,3"])return [NSStringstringWithFormat:@"%@",@"iPhone SE"];

if ([deviceStringisEqualToString:@"iPhone8,2"])return [NSStringstringWithFormat:@"%@",@"iPhone6sPlus"];

if ([deviceStringisEqualToString:@"iPhone8,1"])return [NSStringstringWithFormat:@"%@",@"iPhone6s"];

if ([deviceStringisEqualToString:@"iPhone9,2"])return [NSStringstringWithFormat:@"%@",@"iPhone7Plus"];

if ([deviceStringisEqualToString:@"iPhone9,1"])return [NSStringstringWithFormat:@"%@",@"iPhone7"];

if ([deviceStringisEqualToString:@"iPhone9,4"])return [NSStringstringWithFormat:@"%@",@"iPhone7Plus"];

if ([deviceStringisEqualToString:@"iPhone9,3"])return [NSStringstringWithFormat:@"%@",@"iPhone7"];

if ([deviceStringisEqualToString:@"iPhone3,2"])return [NSStringstringWithFormat:@"%@",@"iPhone4"];

if ([deviceStringisEqualToString:@"iPod1,1"])return [NSStringstringWithFormat:@"%@",@"iPodTouch1G"];

if ([deviceStringisEqualToString:@"iPod2,1"])return [NSStringstringWithFormat:@"%@",@"iPodTouch2G"];

if ([deviceStringisEqualToString:@"iPod3,1"])return [NSStringstringWithFormat:@"%@",@"iPodTouch3G"];

if ([deviceStringisEqualToString:@"iPod4,1"])return [NSStringstringWithFormat:@"%@",@"iPodTouch4G"];

if ([deviceStringisEqualToString:@"iPad1,1"])return [NSStringstringWithFormat:@"%@",@"iPad"];

if ([deviceStringisEqualToString:@"iPad2,1"])return [NSStringstringWithFormat:@"%@",@"iPad2"];

if ([deviceStringisEqualToString:@"iPad2,2"])return [NSStringstringWithFormat:@"%@",@"iPad2"];

if ([deviceStringisEqualToString:@"iPad2,3"])return [NSStringstringWithFormat:@"%@",@"iPad2"];

if ([deviceStringisEqualToString:@"iPad2,4"])return [NSStringstringWithFormat:@"%@",@"iPad 2"];

if ([deviceStringisEqualToString:@"iPad2,5"])return [NSStringstringWithFormat:@"%@",@"iPad Mini (WiFi)"];

if ([deviceStringisEqualToString:@"iPad2,6"])return [NSStringstringWithFormat:@"%@",@"iPad Mini"];

if ([deviceStringisEqualToString:@"iPad2,7"])return [NSStringstringWithFormat:@"%@",@"iPad Mini (GSM+CDMA)"];

if ([deviceStringisEqualToString:@"iPad3,1"])return [NSStringstringWithFormat:@"%@",@"iPad 3 (WiFi)"];

if ([deviceStringisEqualToString:@"iPad3,2"])return [NSStringstringWithFormat:@"%@",@"iPad 3 (GSM+CDMA)"];

if ([deviceStringisEqualToString:@"iPad3,3"])return [NSStringstringWithFormat:@"%@",@"iPad 3"];

if ([deviceStringisEqualToString:@"iPad3,4"])return [NSStringstringWithFormat:@"%@",@"iPad 4 (WiFi)"];

if ([deviceStringisEqualToString:@"iPad3,5"])return [NSStringstringWithFormat:@"%@",@"iPad 4"];

if ([deviceStringisEqualToString:@"iPad3,6"])return [NSStringstringWithFormat:@"%@",@"iPad 4 (GSM+CDMA)"];

if ([deviceStringisEqualToString:@"iPad4,1"])return [NSStringstringWithFormat:@"%@",@"iPad Air (WiFi)"];

if ([deviceStringisEqualToString:@"iPad4,2"])return [NSStringstringWithFormat:@"%@",@"iPad Air (Cellular)"];

if ([deviceStringisEqualToString:@"iPad4,4"])return [NSStringstringWithFormat:@"%@",@"iPad Mini 2 (WiFi)"];

if ([deviceStringisEqualToString:@"iPad4,5"])return [NSStringstringWithFormat:@"%@",@"iPad Mini 2 (Cellular)"];

if ([deviceStringisEqualToString:@"iPad4,6"])return [NSStringstringWithFormat:@"%@",@"iPad Mini 2"];

if ([deviceStringisEqualToString:@"iPad4,7"])return [NSStringstringWithFormat:@"%@",@"iPad Mini 3"];

if ([deviceStringisEqualToString:@"iPad4,8"])return [NSStringstringWithFormat:@"%@",@"iPad Mini 3"];

if ([deviceStringisEqualToString:@"iPad4,9"])return [NSStringstringWithFormat:@"%@",@"iPad Mini 3"];

if ([deviceStringisEqualToString:@"iPad5,1"])return [NSStringstringWithFormat:@"%@",@"iPad Mini 4 (WiFi)"];

if ([deviceStringisEqualToString:@"iPad5,2"])return [NSStringstringWithFormat:@"%@",@"iPad Mini 4 (LTE)"];

if ([deviceStringisEqualToString:@"iPad5,3"])return [NSStringstringWithFormat:@"%@",@"iPad Air 2"];

if ([deviceStringisEqualToString:@"iPad5,4"])return [NSStringstringWithFormat:@"%@",@"iPad Air 2"];

if ([deviceStringisEqualToString:@"iPad6,3"])return [NSStringstringWithFormat:@"%@",@"iPad Pro 9.7"];

if ([deviceStringisEqualToString:@"iPad6,4"])return [NSStringstringWithFormat:@"%@",@"iPad Pro 9.7"];

if ([deviceStringisEqualToString:@"iPad6,7"])return [NSStringstringWithFormat:@"%@",@"iPad Pro 12.9"];

if ([deviceStringisEqualToString:@"iPad6,8"])return [NSStringstringWithFormat:@"%@",@"iPad Pro 12.9"];

if ([deviceStringisEqualToString:@"i386"])return [NSStringstringWithFormat:@"%@",@"Simulator"];

if ([deviceStringisEqualToString:@"x86_64"])return [NSStringstringWithFormat:@"%@",@"Simulator"];

return [NSStringstringWithFormat:@"%@",deviceString];

}