sql 문장 조회를 통해 페이지 나누기

public class PageBean {
	//  
	private int pageSize = 0;//  
	private int nowPage = 0;//  
	private int rowCount = 0;//  
	private int pageCount = 0;//  
	private List<?> rowDate = null;

	//  
	public int getPageSize() {
		return pageSize;
	}

	public void setPageSize(int pageSize) {
		this.pageSize = pageSize;
	}

	public int getNowPage() {
		return nowPage;
	}

	public void setNowPage(int nowPage) {
		this.nowPage = nowPage;
	}

	public int getRowCount() {
		return rowCount;
	}

	public void setRowCount(int rowCount) {
		this.rowCount = rowCount;
	}

	public int getPageCount() {
		this.pageCount = rowCount % pageSize == 0 ? rowCount / pageSize
				: rowCount / pageSize + 1;
		return pageCount;
	}

	public List<?> getRowDate() {
		return rowDate;
	}

	public void setRowDate(List<?> rowDate) {
		this.rowDate = rowDate;
	}

	public PageBean(int pageSize, int nowPage, int rowCount, int pageCount,
			List<?> rowDate) {
		super();
		this.pageSize = pageSize;
		this.nowPage = nowPage;
		this.rowCount = rowCount;
		this.pageCount = pageCount;
		this.rowDate = rowDate;
	}

	public PageBean() {
		super();
		// TODO Auto-generated constructor stub
	}

}

public PageBean foodInfoByPage(int pageSize, int nowPage) {
		PageBean pb = new PageBean();
		pb.setPageSize(pageSize);
		pb.setNowPage(nowPage);
		pb.setRowCount(foodInfoCount());
		//step1:sql
		String sql ="select food_id,food_name,food_price,food_img,food_desc from tb_foodinfo limit "+(nowPage-1)*pageSize +", "+pageSize;// ？；？ where
		//step2: sql
		ResultSet rs = dbconn.exeStmtS(sql);
		//step3： 
		List<FoodInfo> list = new ArrayList<FoodInfo>();
		try {
			while(rs.next())
			{
				System.out.println(rs.getString(2));
				FoodInfo finfo = new FoodInfo();
				finfo.setFood_id(rs.getInt(1));
				finfo.setFood_name(rs.getString(2));
				finfo.setFood_price(rs.getFloat(3));
				finfo.setFood_img(rs.getString(4));
				finfo.setFood_desc(rs.getString(5));
				list.add(finfo);
			}
		pb.setRowDate(list);
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		 return pb;
	}

public class FoodInfoBizImpl implements FoodInfoBiz {
	// foodInfoDao 
	private  FoodInfoDao fid = null;
	public FoodInfoBizImpl(){
		fid = new FoodInfoDaoImpl();
	}
	public List<FoodInfo> foodInfoAll() {
		return fid.foodInfoAll();
		
	}
	public PageBean foodInfoByPage(int pageSize, int nowPage) {
		return fid.foodInfoByPage(pageSize, nowPage);
	}

}

int pageSize = Integer.parseInt(this.getServletConfig().getInitParameter("pageSize"));
  int nowPage = 1;
  if(request.getParameter("np")!=null)
  {
   nowPage = Integer.parseInt(request.getParameter("np"));
  }
  //step2: biz 
  
  FoodInfoBiz fbiz = new FoodInfoBizImpl();
  PageBean pb = fbiz.foodInfoByPage(pageSize, nowPage);// 
  //step3: 【session、request】  request
 
  request.setAttribute("pageBean", pb);   
  //step4: index.jsp [response.sendRedirect - request ]
  request.getRequestDispatcher("index.jsp").forward(request,response);//request 

<c:forEach items="${pageBean.rowDate}" var="fInfo">
		<td style="background-color:#E3EAEB;">
            <table style="width: 100%">
                <tr>
                    <td style="width: 300px">                       
                        <a href="FoodDetail?foodsid=11">
                        <img  style="border:0px" src="UpFile/foodImage/${fInfo.food_img}" alt="" height="150" width="200"/></a></td>
                    <td style="width: 550px; color: #000000; text-align: left">

                         : &nbsp;&nbsp; &nbsp;${fInfo.food_name }<br />
                         : &nbsp; &nbsp;${fInfo.food_price}<br />
                         : &nbsp; &nbsp; <br/>

                         : &nbsp; &nbsp; ${fInfo.food_desc}<br />
                        <a  href="OnePro.htm?pid=1"> </a>
                        <form action="AddCart" method="post" name="form1">
                        <input name="txtCount" type="text"   style="width:27px;" />
                        <input type="hidden" name="foodid" value="${fInfo.food_id }"/>
                        <input type="hidden" name="foodname" value="${fInfo.food_name }"/>
                        <input type="hidden" name="foodprice" value="${fInfo.food_price }"/>                        
                        <input type="submit" name="ok" value=" "/>
                        </form>
                       </td>
                </tr>
            </table>
        </td>	
     </c:forEach>

<table style="width: 100%">
        <tr>
            <td>
                 <span  style="color:Red;">${pageBean.pageCount }</span> </td>

            <td>
                 <span  style="color:Red;">${pageBean.pageSize }</span> </td>
            <td>  <span  style="color:Red;">${pageBean.nowPage }</span> </td>
            <td>  <span  style="color:Red;">${pageBean.rowCount}</span> </td>
            <td>
            	<c:if test="${pageBean.nowPage !=1 }">
                <a href="IndexServlet?np=${pageBean.nowPage-1}"><img src="images/prev.gif" style="border-width:0px;" /></a>
                </c:if>
				<c:if test="${pageBean.nowPage !=pageBean.pageCount }">
                <a href="IndexServlet?np=${pageBean.nowPage+1}"> <img src="images/next.gif" style="border-width:0px;" /></a>
                  </c:if>
                </td>
        </tr>
    </table>