为UIButton设置多个自定义参数

.... Call to webservice
     NSArray *someValues = [results valueForKey:@"someKey"];
    [button setTitle:[NSString stringWithFormat:@"%@", [someValues objectAtIndex:i]] forState:UIControlStateNormal];
} // end

-(void)btnPressed:(id)sender
{
    UIButton *button = sender;
    button.currentTitle; // Title comes back just fine
}
.... Call to webservice
     NSArray *someValue