Home Database Mysql Tutorial sqlServer 中使用sql语句实现固定分页功能

sqlServer 中使用sql语句实现固定分页功能

Jun 07, 2016 pm 03:17 PM
sql sqlserver use Pagination fixed accomplish statement

package javabean; import java.sql.SQLException; import java.util.ArrayList; import java.util.List; import dao.ConDB; import entity.Product; import impl.ProductImp; public class DealProduct extends ConDB implements ProductImp { int count =4;

package javabean;

import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;

import dao.ConDB;
import entity.Product;
import impl.ProductImp;

public class DealProduct extends ConDB implements ProductImp {

    int count =4;// 确定每页显示几行数据

    /** 

     *查询分页信息

     *page 是前台的当前页

    **/

    public List selectProductPage(int page) {
        List list = new ArrayList();
        Product product=null;
        int rowBegin =0;
        if(page>1){
            rowBegin = (page-1)*count;
        }
        try {
            conn = getConDB();
            String sql ="select top "+count+" * from [company].[dbo].[PRODUCT] where productId not in(select top "+rowBegin+" productId " +
                    "from [company].[dbo].[PRODUCT] order by price desc) order by price desc";

            pst = conn.prepareStatement(sql);
            rs = pst.executeQuery();
                while(rs.next()){
                    product = new Product();
                    product.setProductID(Integer.parseInt(rs.getString(1)));
                    product.setSerialNumber(rs.getString(2));
                    product.setName(rs.getString(3));
                    product.setBrand(rs.getString(4));
                    product.setModel(rs.getString(5));
                    product.setPrice(Float.parseFloat(rs.getString(6)));
                    product.setPicture(rs.getString(7));
                    product.setDescription(rs.getString(8));
                    list.add(product);
                }
            
        } catch (SQLException e1) {
            e1.printStackTrace();    
        }finally{
            closeAll(conn, pst, rs);
        }
        return list;
    }

}

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