设备的判断

#import <sys/utsname.h> //需要导入的头文件

typedef NS_ENUM(NSInteger,kDeviceType) {

iPhone_2G,

iPhone_3G,

iPhone_3GS,

iPhone_4,

iPhone_4S,

iPhone_5,

iPhone_5C,

iPhone_5S,

iPhone_6,

iPhone_6S,

iPhone_6_PLUS,

iPhone_6S_PLUS,

iPhone_SE,

iPhone_7,

iPhone_7_PLUS,

iPod_Touch_1G,

iPod_Touch_2G,

iPod_Touch_3G,

iPod_Touch_4G,

iPod_Touch_5G,

iPad_1G,

iPad_2,

iPad_Mini_1G,

iPad_3,

iPad_4,

iPad_Air,

iPad_Mini_2G,

iPhone_Simulator_32,

iPhone_Simulator_64,

Other_Device,

};

//实现方法

//.h

+ (kDeviceType)currentDevice;

//.m

+ (kDeviceType)currentDevice {

struct utsname systemInfo;

uname(&systemInfo);

NSString *platform = [NSString stringWithCString:systemInfo.machine encoding:NSASCIIStringEncoding];

if ([platform isEqualToString:@"iPhone1,1"]) return iPhone_2G;

if ([platform isEqualToString:@"iPhone1,2"]) return iPhone_3G;

if ([platform isEqualToString:@"iPhone2,1"]) return iPhone_3GS;

if ([platform isEqualToString:@"iPhone3,1"]) return iPhone_4;

if ([platform isEqualToString:@"iPhone3,2"]) return iPhone_4;

if ([platform isEqualToString:@"iPhone3,3"]) return iPhone_4;

if ([platform isEqualToString:@"iPhone4,1"]) return iPhone_4S;

if ([platform isEqualToString:@"iPhone5,1"]) return iPhone_5;

if ([platform isEqualToString:@"iPhone5,2"]) return iPhone_5;

if ([platform isEqualToString:@"iPhone5,3"]) return iPhone_5C;

if ([platform isEqualToString:@"iPhone5,4"]) return iPhone_5C;

if ([platform isEqualToString:@"iPhone6,1"]) return iPhone_5S;

if ([platform isEqualToString:@"iPhone6,2"]) return iPhone_5S;

if ([platform isEqualToString:@"iPhone7,1"]) return iPhone_6;

if ([platform isEqualToString:@"iPhone7,2"]) return iPhone_6_PLUS;

if ([platform isEqualToString:@"iPhone8,1"]) return iPhone_6S;

if ([platform isEqualToString:@"iPhone8,2"]) return iPhone_6S_PLUS;

if ([platform isEqualToString:@"iPhone8,4"]) return iPhone_SE;

if ([platform isEqualToString:@"iPhone9,1"]) return iPhone_7;

if ([platform isEqualToString:@"iPhone9,2"]) return iPhone_7_PLUS;

if ([platform isEqualToString:@"iPod1,1"])  return iPod_Touch_1G;

if ([platform isEqualToString:@"iPod2,1"])  return iPod_Touch_2G;

if ([platform isEqualToString:@"iPod3,1"])  return iPod_Touch_3G;

if ([platform isEqualToString:@"iPod4,1"])  return iPod_Touch_4G;

if ([platform isEqualToString:@"iPod5,1"])  return iPod_Touch_5G;

if ([platform isEqualToString:@"iPad1,1"])  return iPad_1G;

if ([platform isEqualToString:@"iPad2,1"])  return iPad_2;

if ([platform isEqualToString:@"iPad2,2"])  return iPad_2;

if ([platform isEqualToString:@"iPad2,3"])  return iPad_2;

if ([platform isEqualToString:@"iPad2,4"])  return iPad_2;

if ([platform isEqualToString:@"iPad2,5"])  return iPad_Mini_1G;

if ([platform isEqualToString:@"iPad2,6"])  return iPad_Mini_1G;

if ([platform isEqualToString:@"iPad2,7"])  return iPad_Mini_1G;

if ([platform isEqualToString:@"iPad3,1"])  return iPad_3;

if ([platform isEqualToString:@"iPad3,2"])  return iPad_3;

if ([platform isEqualToString:@"iPad3,3"])  return iPad_3;

if ([platform isEqualToString:@"iPad3,4"])  return iPad_4;

if ([platform isEqualToString:@"iPad3,5"])  return iPad_4;

if ([platform isEqualToString:@"iPad3,6"])  return iPad_4;

if ([platform isEqualToString:@"iPad4,1"])  return iPad_Air;

if ([platform isEqualToString:@"iPad4,2"])  return iPad_Air;

if ([platform isEqualToString:@"iPad4,3"])  return iPad_Air;

if ([platform isEqualToString:@"iPad4,4"])  return iPad_Mini_2G;

if ([platform isEqualToString:@"iPad4,5"])  return iPad_Mini_2G;

if ([platform isEqualToString:@"iPad4,6"])  return iPad_Mini_2G;

if ([platform isEqualToString:@"i386"])      return iPhone_Simulator_32;

if ([platform isEqualToString:@"x86_64"])    return iPhone_Simulator_64;

return Other_Device;

}

谢谢阅读！