用户偏好问题的设置
-(void)touchesBegan:(NSSet*)touches withEvent:(UIEvent *)event
{
NSString *doc = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject];
NSLog(@"%@",doc);
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
// NSLog(@"%@",doc);
//保存数据
[defaults setObject:@"zhangsan" forKey:@"account"];
[defaults setObject:@"123" forKey:@"passwd"];
[defaults setBool:YES forKey:@"autoLogin"];
[defaults setBool:YES forKey:@"rememberPwd"];
//调用同步方法,把数据保存到沙盒文件中
[defaults synchronize];
NSString *name = [defaults objectForKey:@"account"];
NSString *password = [defaults objectForKey:@"passwd"];
NSLog(@"%@, %@", name, password);
}