在页面上显示商品信息

C3P0JDBCUtils

Product:

package domain;

import java.util.Date;


public class Product {
    private String pid;
    private String pname;
    private Double market_price;
    private Double shop_price;
    private String pimage;
    private Date pdate;
    private Integer is_hot;
    private String pdesc;
    private Integer pflag;

    public Product() {

    }

    public Product(String pid, String pname, Double market_price,
            Double shop_price, String pimage, Date pdate, Integer is_hot,
            String pdesc, Integer pflag) {
        this.pid = pid;
        this.pname = pname;
        this.market_price = market_price;
        this.shop_price = shop_price;
        this.pimage = pimage;
        this.pdate = pdate;
        this.is_hot = is_hot;
        this.pdesc = pdesc;
        this.pflag = pflag;
    }
    public String getPid() {
        return pid;
    }
    public void setPid(String pid) {
        this.pid = pid;
    }
    public String getPname() {
        return pname;
    }
    public void setPname(String pname) {
        this.pname = pname;
    }
    public Double getMarket_price() {
        return market_price;
    }
    public void setMarket_price(Double market_price) {
        this.market_price = market_price;
    }
    public Double getShop_price() {
        return shop_price;
    }
    public void setShop_price(Double shop_price) {
        this.shop_price = shop_price;
    }
    public String getPimage() {
        return pimage;
    }
    public void setPimage(String pimage) {
        this.pimage = pimage;
    }
    public Date getPdate() {
        return pdate;
    }
    public void setPdate(Date pdate) {
        this.pdate = pdate;
    }
    public Integer getIs_hot() {
        return is_hot;
    }
    public void setIs_hot(Integer is_hot) {
        this.is_hot = is_hot;
    }
    public String getPdesc() {
        return pdesc;
    }
    public void setPdesc(String pdesc) {
        this.pdesc = pdesc;
    }
    public Integer getPflag() {
        return pflag;
    }
    public void setPflag(Integer pflag) {
        this.pflag = pflag;
    }

}

ProductDao:

package ProductDao;

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

import org.apache.commons.dbutils.QueryRunner;
import org.apache.commons.dbutils.handlers.BeanListHandler;

import Utils.C3P0JDBCUtils;
import domain.Product;

public class ProductDao {

    public List<Product> findAll() throws SQLException {
        QueryRunner queryRunner = new QueryRunner(C3P0JDBCUtils.getDataSource());
        String sql = "select * from product order by pdate desc";
        List<Product> list = queryRunner.query(sql, new BeanListHandler<Product>(Product.class));
        return list;
    }

}

ProductService:

package ProductService;

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

import ProductDao.ProductDao;
import domain.Product;

public class ProductService {

    public List<Product> findAll() throws SQLException {
        ProductDao productDao = new ProductDao();
        List<Product> list = productDao.findAll();
        return list;
    }

}

ProductServlet:

package ProductServlet;

import java.io.IOException;
import java.sql.SQLException;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import ProductService.ProductService;
import domain.Product;

public class ProductServlet extends HttpServlet {

    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        try {
            //调用业务层处理数据
            ProductService productService = new ProductService();
            List<Product> list = productService.findAll();
            request.setAttribute("list", list);
            request.getRequestDispatcher("/demo4/product.jsp").forward(request, response);
        } catch (SQLException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }


    public void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        doGet(request,response);
    }

}

product.jsp:

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ page isELIgnored="false" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">

    <title>My JSP 'product.jsp' starting page</title>

    <meta http-equiv="pragma" content="no-cache">
    <meta http-equiv="cache-control" content="no-cache">
    <meta http-equiv="expires" content="0">    
    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
    <meta http-equiv="description" content="This is my page">
    <!--
    <link rel="stylesheet" type="text/css" href="styles.css">
    -->

  </head>

  <body>
    <table border="1px" width="1000">
        <tr>
            <td>商品编号</td>
            <td>商品名称</td>
            <td>商品价格</td>
            <td>是否热门</td>
            <td>商品描述</td>
        </tr>
        <c:forEach var="p" items="${ list }">
            <tr>
            <td>${ p.pid }</td>
            <td>${ p.pname }</td>
            <td>${ p.shop_price }</td>
            <td>
                <c:if test="${ p.is_hot == 1  }">
                    是
                </c:if>
                <c:if test="${ p.is_hot == 0 }">
                    否
                </c:if>
            </td>
            <td>${ p.pdesc }</td>
        </tr>
        </c:forEach>
    </table>
  </body>
</html>