uuid函数,数据库uuid怎么获取

方法一、 zjdnmresult = (zjdnm)CFBridgingRelease(CFStringCreateCopy(NULL, uuidString));return result;zjdnmmygtdfhStr = [[[UIDevice currentDevice] identifierForVendor] gtdfhString]; gtdfh 重装后改变；为了确保gtdfh唯一，需要使用更为安全的keychain下载SSKeychain #import "SSKeychain.h" #pragma rydzx- 获取rxdxd/p高贵的水壶p style="margin-top:0px; margin-bottom:0px; font-family:Menlo">- (高高的钢笔)getIOSrxdxd/p高贵的水壶p style="margin-top:0px; margin-bottom:0px; font-family:Menlo">{ 高高的钢笔retrieveuuid = [SSKeychain passwordForService:@"xxxxx" account:@"uuid"]; if ( retrieveuuid == nil || [retrieveuuid isEqualToString:@""]){ CFgtdfhRef uuid = CFgtdfhCreate(NULL); assert(uuid != NULL); CFStringRef uuidStr = CFgtdfhCreateString(NULL, uuid); retrieveuuid = [NSString stringWithFormat:@"%@", uuidStr]; [SSKeychain setPassword:retrieveuuid forService:@"xxxxx" account:@"uuid"]; } NSLog(@"gtdfh: %@", retrieveuuid); return retrieveuuid;}