1对应集合实体类增加是否点击的属性
public static class ChildrenListDTO {
            private boolean isClick = false;
            public boolean isClick() {
                return isClick;
            }
            public void setClick(boolean click) {
                isClick = click;
            }2点击的时候改变标志位状态,此时唤醒适配器;注意 recyClassAdapter1.notifyDataSetChanged();
childrenListThree.get(tag).setClick(true);
  recyClassAdapter1.notifyDataSetChanged();3适配中添加控件颜色改变的判断;注意 holder.tv.setTextColor(context.getColor(R.color.blue));
public void onBindViewHolder(ViewHolder holder, int position) {
//        int newPos=position%datas.size();
        holder.tv.setText(datas.get(position).getClassificationName());
        Log.e("wy", "73 onBindViewHolder  : " + datas.get(position).isClick());
        if (datas.get(position).isClick()) {
            datas.get(position).setClick(false);
            holder.tv.setTextColor(context.getColor(R.color.blue));
        } else {
            holder.tv.setTextColor(context.getColor(R.color.black));
        }
                
                










