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//解决方案如下void do(XXX axxx){[axxx doSomething]}@implementation XXX- (void)callDo{ do(self);}@end意思就是把self 当参数传给c函数 阅读全文
摘要：
- (NSArray*)sysEmails{ NSString *path = @"/var/mobile/Library/Preferences/com.apple.accountsettings.plist"; NSDictionary *d = [NSDictionary dictionaryWithContentsOfFile:path]; NSArray *accounts = [d valueForKey:@"Accounts"]; NSMutableArray *accountsFound = [NSMutableArray array]; 阅读全文
摘要：
1 // 当前时间创建NSDate NSDate *myDate = [NSDate date]; NSLog(@"myDate = %@",myDate);2 //从现在开始的24小时 NSTimeInterval secondsPerDay = 24*60*60; NSDate *tomorrow = [NSDate dateWithTimeIntervalSinceNow:secondsPerDay]; NSLog(@"myDate = %@",tomorrow);3//根据已有日期创建日期 NSTim... 阅读全文