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List foodList = new ArrayList();
//ÕâÊÇ´ÓÊý¾Ý¿âÖлñÈ¡List£¬·½·¨·µ»ØÀàÐÍΪList.
foodList = getDataBean.getAllFoodInfo();
session.setAttribute("FOODS", foodList);
%>
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List foodList = new ArrayList();
//»ñÈ¡Session¶ÔÏóÖд洢µÄList£¬È¡³öΪ¿Õ¡£
foodList = (List)session.getAttribute("FOODS");
// if(foodList == null){
// out.print("¼¯ºÏΪ¿Õ~£¡");
// return;
// }
FoodBean foodBean = null;
//»ñÈ¡´«µÝ¹ýÀ´µÄ²ÎÊý(²ÍÆ·id)
String foodID = request.getParameter("foodID");
int i = 0;
//ÀûÓÃÑ»·Óï¾äÒÀ´ÎÈ¡³ö¡¾ÔËÐÐʱ´Ë´¦Ìáʾjava.lang.NullPointerException¡¿
while(i < foodList.size()){
foodBean = (FoodBean)foodList.get(i);
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if(foodID.equals(foodBean.getFoodID())){
session.setAttribute("FoodToAdd", foodBean);
break;
}
i++;
}
%>
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