.<%
ArrayList<RecipeDTO> recipeList = new ArrayList<RecipeDTO>();
recipeList = new RecipeDAO().getList(recipeDivide, searchType, search, pageNumber);
if(recipeList != null){
for(int i=0; i< recipeList.size(); i++){
if(i==5) break;
RecipeDTO recipe = recipeList.get(i);
.%>
<div class="col-4 col-6-medium col-12-small">
<section>
<a href="#" class="image featured"><img src="images/pic01.jpg" alt="" /></a>
<header>
<h3><%=recipe.getFoodTitle()%></h3>
</header>
<h4>재료리스트</h4>
<ul>
<li>
<span><%=recipe.getIngredients()%></span>
<em>400g</em>
</li>
</ul>
<h4>조리 방법</h4>
<p>
<%=recipe.getFoodContent()%>
</p>
</section>
</div>
<%
}
}
%>
JSP와 자바로 웹 페이지 제작중인데요 recipeDAO 에 getList 함수를 통해서 MYSQL 에 저장돼있는 데이터를 가져와서 출력하려고 하는데 아에 이미지까지 빈 화면으로 뜹니다. 디버깅을 해보니까 recipeList.size() 가 0으로 돼서 for문이 아에 안도는것 같더라구요. 왜 size가 0으로 되는걸까요? 아래 코드는 RecipeDAO 안에 포함된 getList함수 입니다. 도움 주시면 감사하겠습니다ㅠ
public ArrayList<RecipeDTO> getList (String recipeDivide, String searchType, String search, int pageNumber){
if(recipeDivide.equals("전체")) {
recipeDivide = "";
}
ArrayList<RecipeDTO> recipeList = null;
String SQL = "";
PreparedStatement pstmt = null;
Connection conn = null;
ResultSet rs = null;
try {
if(searchType.contentEquals("최신순")) {
SQL = "SELECT * FROM recipe WHERE recipeDivide LIKE ? AND CONCAT(foodTitle, foodContent, ingredients, classification, tag) LIKE ? ORDER BY recipeID DESC LIMIT " + pageNumber * 5 + ", " + pageNumber * 5 + 6;
} else if (searchType.contentEquals("추천순")) {
SQL = "SELECT * FROM recipe WHERE recipeDivide LIKE ? AND CONCAT(foodTitle, foodContent, ingredients, classification, tag) LIKE ? ORDER BY likeCount DESC LIMIT " + pageNumber * 5 + ", " + pageNumber * 5 + 6;
}
conn = DatabaseUtil.getConnection();
pstmt = conn.prepareStatement(SQL);
pstmt.setString(1, "%" + recipeDivide + "%");
pstmt.setString(2, "%" + search + "%");
rs = pstmt.executeQuery();
recipeList = new ArrayList<RecipeDTO>();
while(rs.next()) {
RecipeDTO recipe = new RecipeDTO(
rs.getInt(1),
rs.getString(2),
rs.getString(3),
rs.getString(4),
rs.getString(5),
rs.getString(6),
rs.getString(7),
rs.getInt(8),
rs.getInt(9),
rs.getString(10)
);
recipeList.add(recipe);
}
} catch (Exception e) {
e.printStackTrace();
} finally {
try {if(conn!=null) conn.close();} catch(Exception e) { e.printStackTrace();}
try {if(pstmt!=null) pstmt.close();} catch(Exception e) { e.printStackTrace();}
try {if(rs!=null) rs.close();} catch(Exception e) { e.printStackTrace();}
}
return recipeList;
}