获取系统硬件信息

概述- (NSString *) getSysInfoByName:(char *)typeSpecifier{ size_t size; sysctlbyname(typeSpecifier, NULL, &size, NULL, 0); char *answer = malloc(size); sysctlbyname(typeSpecifier, an

- (Nsstring *) getSysInfoByname:(char *)typespecifIEr{    size_t size;    sysctlbyname(typespecifIEr,NulL,&size,0);        char *answer = malloc(size);    sysctlbyname(typespecifIEr,answer,0);        Nsstring *results = [Nsstring stringWithCString:answer enCoding: NSUTF8StringEnCoding];        free(answer);    return results;}- (Nsstring *) platform{    return [self getSysInfoByname:"hw.machine"];}

在实际开发中，有时需要考虑到兼容性问题，这两个信息还是很有用的，我一般都是程序开始时读取，存到公共变量里。#import "sys/utsname.h" /*! *  get the information of the device and system *  "i386"          simulator *  "iPod1,1"       iPod touch *  "iPhone1,1"     iPhone *  "iPhone1,2"     iPhone 3G *  "iPhone2,1"     iPhone 3GS *  "iPad1,1"       iPad *  "iPhone3,1"     iPhone 4 *  @return null */- (voID)getDeviceAndOSInfo{    //here use sys/utsname.h    struct utsname systemInfo;    uname(&systemInfo);    //get the device model and the system version    NSLog(@"%@",[Nsstring stringWithCString:systemInfo.machine enCoding:NSUTF8StringEnCoding]);    NSLog(@"%@",[[UIDevice currentDevice] systemVersion]);}

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