67,512
社区成员
发帖
与我相关
我的任务
分享
List symptom=null;
List benefit=null;
for (int i=0; i<foodlist.size() ;i++)
{
Food food = (Food)foodlist.get(i);
for(int j=0;j<foodDao.searchfood1(food.getFood1()).size();j++){
System.out.println(foodDao.searchfood1(food.getFood1()).size());
symptom.add(foodDao.searchfood1(food.getFood1()).get(j));
System.out.println(foodDao.searchfood1(food.getFood1()).get(j).getFood2());
}
List symptom=null;
List benefit=null;
for (int i=0; i<foodlist.size() ;i++)
{
Food food = (Food)foodlist.get(i);
//你里返回的是一个List,具体存放的什么你需要给个泛型。
benefit = foodDao.searchfood1(food.getFood1())
for(int j=0;j< benefit.size();j++){
System.out.println(benefit.size());
//如果不指定泛型,下面这句应该要强转的。
symptom.add(benefit.get(j));
System.out.println(benefit.get(j).getFood2());
}
}