判断手机型号代码如下：
#import <sys/utsname.h>
#pragma mark -- 判断手机型号
+(NSString*)judgeIphoneType {
struct utsname systemInfo;
uname(&systemInfo);
NSString * phoneType = [NSString stringWithCString: systemInfo.machine encoding:NSASCIIStringEncoding];
// simulator 模拟器
if ([phoneType isEqualToString:@"i386"]) return @"Simulator";
if ([phoneType isEqualToString:@"x86_64"]) return @"Simulator";
// 常用机型 不需要的可自行删除
if([phoneType isEqualToString:@"iPhone1,1"]) return @"iPhone 2G";
if([phoneType isEqualToString:@"iPhone1,2"]) return @"iPhone 3G";
if([phoneType isEqualToString:@"iPhone2,1"]) return @"iPhone 3GS";
if([phoneType isEqualToString:@"iPhone3,1"]) return @"iPhone 4";
if([phoneType isEqualToString:@"iPhone3,2"]) return @"iPhone 4";
if([phoneType isEqualToString:@"iPhone3,3"]) return @"iPhone 4";
if([phoneType isEqualToString:@"iPhone4,1"]) return @"iPhone 4S";
if([phoneType isEqualToString:@"iPhone5,1"]) return @"iPhone 5";
if([phoneType isEqualToString:@"iPhone5,2"]) return @"iPhone 5";
if([phoneType isEqualToString:@"iPhone5,3"]) return @"iPhone 5c";
if([phoneType isEqualToString:@"iPhone5,4"]) return @"iPhone 5c";
if([phoneType isEqualToString:@"iPhone6,1"]) return @"iPhone 5s";
if([phoneType isEqualToString:@"iPhone6,2"]) return @"iPhone 5s";
if([phoneType isEqualToString:@"iPhone7,1"]) return @"iPhone 6 Plus";
if([phoneType isEqualToString:@"iPhone7,2"]) return @"iPhone 6";
if([phoneType isEqualToString:@"iPhone8,1"]) return @"iPhone 6s";
if([phoneType isEqualToString:@"iPhone8,2"]) return @"iPhone 6s Plus";
if([phoneType isEqualToString:@"iPhone8,4"]) return @"iPhone SE";
if([phoneType isEqualToString:@"iPhone9,1"]) return @"iPhone 7";
if([phoneType isEqualToString:@"iPhone9,2"]) return @"iPhone 7 Plus";
if([phoneType isEqualToString:@"iPhone10,1"]) return @"iPhone 8";
if([phoneType isEqualToString:@"iPhone10,4"]) return @"iPhone 8";
if([phoneType isEqualToString:@"iPhone10,2"]) return @"iPhone 8 Plus";
if([phoneType isEqualToString:@"iPhone10,5"]) return @"iPhone 8 Plus";
if([phoneType isEqualToString:@"iPhone10,3"]) return @"iPhone X";
if([phoneType isEqualToString:@"iPhone10,6"]) return @"iPhone X";
if([phoneType isEqualToString:@"iPhone11,8"]) return @"iPhone XR";
if([phoneType isEqualToString:@"iPhone11,2"]) return @"iPhone XS";
if([phoneType isEqualToString:@"iPhone11,4"]) return @"iPhone XS Max";
if([phoneType isEqualToString:@"iPhone11,6"]) return @"iPhone XS Max";
if([phoneType isEqualToString:@"iPhone12,1"]) return @"iPhone 11";
if ([phoneType isEqualToString:@"iPhone12,3"]) return @"iPhone 11 Pro";
if ([phoneType isEqualToString:@"iPhone12,5"]) return @"iPhone 11 Pro Max";
if ([phoneType isEqualToString:@"iPhone12,8"]) return @"iPhone SE2";
if ([phoneType isEqualToString:@"iPhone13,1"]) return @"iPhone 12 mini";
if ([phoneType isEqualToString:@"iPhone13,2"]) return @"iPhone 12";
if ([phoneType isEqualToString:@"iPhone13,3"]) return @"iPhone 12 Pro";
if ([phoneType isEqualToString:@"iPhone13,4"]) return @"iPhone 12 Pro Max";
if ([phoneType isEqualToString:@"iPhone14,4"]) return @"iPhone 13 mini";
if ([phoneType isEqualToString:@"iPhone14,5"]) return @"iPhone 13";
if ([phoneType isEqualToString:@"iPhone14,2"]) return @"iPhone 13 Pro";
if ([phoneType isEqualToString:@"iPhone14,3"]) return @"iPhone 13 Pro Max";
if ([phoneType isEqualToString:@"iPhone14,6"]) return @"iPhone SE3";
if ([phoneType isEqualToString:@"iPhone14,7"]) return @"iPhone 14";
if ([phoneType isEqualToString:@"iPhone14,8"]) return @"iPhone 14 Plus";
if ([phoneType isEqualToString:@"iPhone15,2"]) return @"iPhone 14 Pro";
if ([phoneType isEqualToString:@"iPhone15,3"]) return @"iPhone 14 Pro Max";
return phoneType;
}
