//获得设备型号
+ (NSString*)getCurrentDeviceModel:(UIViewController*)controller
{
intmib[2];
size_tlen;
char*machine;
mib[0] = CTL_HW;
mib[1] = HW_MACHINE;
sysctl(mib, 2,NULL, &len,NULL, 0);
machine =malloc(len);
sysctl(mib, 2, machine, &len,NULL, 0);
NSString*platform = [NSStringstringWithCString:machine encoding:NSASCIIStringEncoding];
free(machine);
if([platform isEqualToString:@"iPhone1,1"])return@"iPhone 2G (A1203)";
if([platform isEqualToString:@"iPhone1,2"])return@"iPhone 3G (A1241/A1324)";
if([platform isEqualToString:@"iPhone2,1"])return@"iPhone 3GS (A1303/A1325)";
if([platform isEqualToString:@"iPhone3,1"])return@"iPhone 4 (A1332)";
if([platform isEqualToString:@"iPhone3,2"])return@"iPhone 4 (A1332)";
if([platform isEqualToString:@"iPhone3,3"])return@"iPhone 4 (A1349)";
if([platform isEqualToString:@"iPhone4,1"])return@"iPhone 4S (A1387/A1431)";
if([platform isEqualToString:@"iPhone5,1"])return@"iPhone 5 (A1428)";
if([platform isEqualToString:@"iPhone5,2"])return@"iPhone 5 (A1429/A1442)";
if([platform isEqualToString:@"iPhone5,3"])return@"iPhone 5c (A1456/A1532)";
if([platform isEqualToString:@"iPhone5,4"])return@"iPhone 5c (A1507/A1516/A1526/A1529)";
if([platform isEqualToString:@"iPhone6,1"])return@"iPhone 5s (A1453/A1533)";
if([platform isEqualToString:@"iPhone6,2"])return@"iPhone 5s (A1457/A1518/A1528/A1530)";
if([platform isEqualToString:@"iPhone7,1"])return@"iPhone 6 Plus (A1522/A1524)";
if([platform isEqualToString:@"iPhone7,2"])return@"iPhone 6 (A1549/A1586)";
if([platform isEqualToString:@"iPod1,1"])return@"iPod Touch 1G (A1213)";
if([platform isEqualToString:@"iPod2,1"])return@"iPod Touch 2G (A1288)";
if([platform isEqualToString:@"iPod3,1"])return@"iPod Touch 3G (A1318)";
if([platform isEqualToString:@"iPod4,1"])return@"iPod Touch 4G (A1367)";
if([platform isEqualToString:@"iPod5,1"])return@"iPod Touch 5G (A1421/A1509)";
if([platform isEqualToString:@"iPad1,1"])return@"iPad 1G (A1219/A1337)";
if([platform isEqualToString:@"iPad2,1"])return@"iPad 2 (A1395)";
if([platform isEqualToString:@"iPad2,2"])return@"iPad 2 (A1396)";
if([platform isEqualToString:@"iPad2,3"])return@"iPad 2 (A1397)";
if([platform isEqualToString:@"iPad2,4"])return@"iPad 2 (A1395+New Chip)";
if([platform isEqualToString:@"iPad2,5"])return@"iPad Mini 1G (A1432)";
if([platform isEqualToString:@"iPad2,6"])return@"iPad Mini 1G (A1454)";
if([platform isEqualToString:@"iPad2,7"])return@"iPad Mini 1G (A1455)";
if([platform isEqualToString:@"iPad3,1"])return@"iPad 3 (A1416)";
if([platform isEqualToString:@"iPad3,2"])return@"iPad 3 (A1403)";
if([platform isEqualToString:@"iPad3,3"])return@"iPad 3 (A1430)";
if([platform isEqualToString:@"iPad3,4"])return@"iPad 4 (A1458)";
if([platform isEqualToString:@"iPad3,5"])return@"iPad 4 (A1459)";
if([platform isEqualToString:@"iPad3,6"])return@"iPad 4 (A1460)";
if([platform isEqualToString:@"iPad4,1"])return@"iPad Air (A1474)";
if([platform isEqualToString:@"iPad4,2"])return@"iPad Air (A1475)";
if([platform isEqualToString:@"iPad4,3"])return@"iPad Air (A1476)";
if([platform isEqualToString:@"iPad4,4"])return@"iPad Mini 2G (A1489)";
if([platform isEqualToString:@"iPad4,5"])return@"iPad Mini 2G (A1490)";
if([platform isEqualToString:@"iPad4,6"])return@"iPad Mini 2G (A1491)";
if([platform isEqualToString:@"i386"])return@"iPhone Simulator";
if([platform isEqualToString:@"x86_64"])return@"iPhone Simulator";
returnplatform;
}