beans包和jdbc包代码不放了，麻烦
Service.java:
package service;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.List;
import beans.Profit;
import jdbc.JdbcConn;
public class Service {
private Connection dbconnection;
private Statement st,st1,st2;
private ResultSet rs,rs1,rs2;
private String sql,sql1,sql2;
private List list;
private Profit pf;
public List getProfit(){
list=new ArrayList();
dbconnection=JdbcConn.getCon();
try {
st=(Statement)dbconnection.createStatement();
st1=(Statement)dbconnection.createStatement();
st2=(Statement)dbconnection.createStatement();
sql="SELECT g.GOODS_NAME goodsName,g.SELLING_PRICE selling,g.COST_PRICE costPrice,g.GOODS_ID goodsId FROM t_goods g,t_trading t WHERE t.TRADING_GOODS_ID=g.GOODS_ID GROUP BY g.GOODS_NAME";
rs=st.executeQuery(sql);
int temp;
while(rs.next()){
pf=new Profit();
pf.setGoodsName(rs.getString("goodsName"));
pf.setSellingPrice(rs.getInt("selling"));
pf.setCostPrice(rs.getInt("costPrice"));
pf.setGoodsId(rs.getInt("goodsId"));
temp=0;
temp=pf.getSellingPrice()-pf.getCostPrice();
sql1="SELECT SUM(t.TRADING_NUMBER) sunNum FROM t_trading t WHERE t.TRADING_GOODS_ID="+pf.getGoodsId();
rs1=st1.executeQuery(sql1);
while(rs1.next()){
pf.setTradingNum(rs1.getInt("sunNum"));
}
pf.setProfit(temp*pf.getTradingNum());
sql2="SELECT COUNT(t.TRADING_GOODS_ID) times FROM t_trading t WHERE t.TRADING_GOODS_ID="+pf.getGoodsId();
rs2=st2.executeQuery(sql2);
while(rs2.next()){
pf.setTimes(rs2.getInt("times"));
}
list.add(pf);
}
} catch (SQLException e) {
e.printStackTrace();
}
return list;
}
}
ShowReport.java:
package servlet;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import service.Service;
public class ShowReport extends HttpServlet {
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
List list;
Service service=new Service();
list=service.getProfit();
request.getSession().setAttribute("PROFIT",list);
response.sendRedirect("index.jsp");
}
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
this.doPost(request, response);
}
}
index.jsp:
<%@ page language="java" import="java.util.*,beans.*" pageEncoding="utf-8"%>
<%
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>原生态java报表生成</title>
<style type="text/css">
table.hovertable{
font-size:13px;
color:#333333;
border-1px;
border-color:#999999;
border-collapse: collapse;
}
table.hovertable th{
background-color:#c3dde0;
border-1px;
padding:8px;
border-style:solid;
border-color:#a9c6c9;
}
table.hovertable tr{
background-color:#d4e3e5;
}
table.hovertable td{
border-1px;
padding:8px;
border-style:solid;
border-color:#a9c6c9;
}
</style>
</head>
<body>
<form action="ShowReport" method="post">
<input type="submit" value="生成报表">
</form>
<table class="hovertable">
<tr><th colspan="5">利润表</th></tr>
<tr>
<th>序号</th>
<th>商品名称</th>
<th>卖出数量</th>
<th>交易笔数</th>
<th>盈利额</th>
</tr>
<%
List list=null;
if(session.getAttribute("PROFIT")!=null){
list=(List)session.getAttribute("PROFIT");
if(list.size()>0){
int temp=0;
int temp1=0;
int temp2=0;
int temp3=0;
Profit pf;
for(int i=0;i<list.size();i++){
pf=new Profit();
pf=(Profit)list.get(i);
temp1+=pf.getTradingNum();
temp2+=pf.getTimes();
temp3+=pf.getProfit();
%>
<tr onmouseover="this.style.backgroundColor='#ffff66';"
onmouseout="this.style.backgroundColor='#d4e3e5';">
<td><%=temp+=1 %></td>
<td><%=pf.getGoodsName() %></td>
<td><%=pf.getTradingNum() %></td>
<td><%=pf.getTimes() %></td>
<td><%=pf.getProfit() %></td>
</tr>
<%
}%>
<tr onmouseover="this.style.backgroundColor='#ffff66';"
onmouseout="this.style.backgroundColor='#d4e3e5';">
<td colspan="2">合计</td>
<td><%=temp1 %></td>
<td><%=temp2 %></td>
<td><%=temp3 %></td>
</tr>
<%
}
}
%>
</table>
</body>
</html>