runtime 對 viewcontroller屬性賦值

-(void)paramToVc:(UIViewController *) v param:(NSDictionary *)parameters{
    //        runtime將參數傳遞至需要跳轉的控制器
    unsigned int outCount = 0;
    objc_property_t * properties = class_copyPropertyList(v.class , &outCount);
    for (int i = 0; i < outCount; i++) {
        objc_property_t property = properties[i];
        NSString *key = [NSString stringWithUTF8String:property_getName(property)];
        NSString *param = parameters[key];
        if (param != nil) {
            [v setValue:param forKey:key];
        }
    }
}