public void plusorMinusElecart(
     ArrayList<HashMap<String, Object>> list, int position, String flag, Context context) {
   if (!list.isEmpty()) {
     String goodsid = list.get(position).get("goodsid").toString();
     DBHelper dbhelper = new DBHelper(context);
     dbhelper.updateByElecartNeedquantity(DBHelper.ELE_CART_TM_NAME, goodsid, flag);
   }
 }
  /** 将商品加入我的菜单 */
  public void setGoodsToElecartSQLite(
      String goodsid,
      String goodsname,
      String memberprice,
      String pictureurl,
      String needquantity,
      Context context) {
    DBHelper dbhelper = new DBHelper(context);
    ContentValues values = new ContentValues();
    values.put("goodsid", goodsid);
    values.put("goodsname", goodsname);
    values.put("memberprice", memberprice);
    values.put("pictureurl", pictureurl);
    values.put("needquantity", needquantity);
    Cursor c = dbhelper.queryByParamgoodsid(DBHelper.ELE_CART_TM_NAME, goodsid);
    int querycount = c.getCount();
    if (querycount > 0) {
      dbhelper.updateByElecartNeedquantity(DBHelper.ELE_CART_TM_NAME, goodsid, "plus");
    } else {
      dbhelper.insert(DBHelper.ELE_CART_TM_NAME, values);
    }

    dbhelper.close();
  }