获取硬件信息

hardwareModel.m

#import <sys/sysctl.h>
 
+ (NSString *)hardwareModel
{
    static NSString *hardwareModel = nil;
    if (!hardwareModel) {
        char buffer[128];
        size_t length = sizeof(buffer);
        if (sysctlbyname("hw.model", &buffer, &length, NULL, 0) == 0) {
            hardwareModel = [[NSString allocWithZone:NULL] initWithCString:buffer encoding:NSASCIIStringEncoding];
        }
        if (!hardwareModel || [hardwareModel length] == 0) {
            hardwareModel = @"Unknown";
        }
    }
    return hardwareModel;    
}
 
+ (NSString *)computerModel
{
    static NSString *computerModel = nil;
    if (!computerModel) {
        NSString *path, *hardwareModel = [self hardwareModel];
        if ((path = [[NSBundle mainBundle] pathForResource:@"Macintosh" ofType:@"dict"])) {
            computerModel = [[[NSDictionary dictionaryWithContentsOfFile:path] objectForKey:hardwareModel] copy];
        }
        if (!computerModel) {
            char buffer[128];
            size_t length = sizeof(buffer);
            if (sysctlbyname("hw.machine", &buffer, &length, NULL, 0) == 0) {
                computerModel = [[NSString allocWithZone:NULL] initWithCString:buffer encoding:NSASCIIStringEncoding];
            }
        }
        if (!computerModel || [computerModel length] == 0) {
            computerModel = [[NSString allocWithZone:NULL] initWithFormat:@"%@ computer model", hardwareModel];
        }
    }
    return computerModel;
}