📄 goodsview.jsp~75~

📁 java 通用进销存系统。很完整的说明文档和源码以及源程序。
💻 JSP~75~
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<%@ page contentType="text/html; charset=GBK" %>
<%@ page import = "data.*, user.*"%>
<%
  //设置取得字符串的编码机制
  request.setCharacterEncoding("GBK");
  if(session.getAttribute("user") != null){
    User user = (User)session.getAttribute("user");
  }else{
    out.print("<h3>请先登陆系统.</h3>");
    return;
  }
  //创建商品数组
  String[][] goods = new String[0][13];
  //创建数据类
  StockManagementData stockManagementData = new StockManagementData();
  //根据传入参数取得商品数组
  if(request.getParameter("categoryId") != null){
    String categoryId = request.getParameter("categoryId");
    //根据商品类别序号取得商品数组
    goods = stockManagementData.getGoodsByGoodsCategory(Integer.parseInt(categoryId));
  }else if(request.getParameter("selectedIndex") != null){
    int selectedIndex = Integer.parseInt(request.getParameter("selectedIndex"));
    String searchValue = request.getParameter("searchValue");
    if(searchValue.length() == 0){
      out.print("");
    }
    switch (selectedIndex) {
      case 0:
        //根据条形码取得商品数组
        goods = stockManagementData.getGoodsByGoodsBarCode(searchValue);
        break;
      case 1:
        //根据商品名字取得商品数组
        goods = stockManagementData.getGoodsByGoodsName(searchValue);
        break;
      case 2:
        //根据生产商取得商品数组
        goods = stockManagementData.getGoodsByProducer(searchValue);
        break;
    }
  }
  //创建表格标题数组
  String[] colNames = new String[]{"商品条形码", "商品分类标识", "商品名称", "商品别名",
       "助记码", "拼音码", "计量单位", "规格", "生产厂商", "库存上限",
       "库存下限", "销售价", "商品折扣"};
%>
<html>
<head>
<title>商品页面</title>
</head>
<body bgcolor="#ffffff">
<center>
<form action="goodsview.jsp" method="get">
<p>
  查询条件：
  <select name="selectedIndex">
    <option value="0">按商品条形码查询</option>
    <option value="1">按商品名称查询</option>
    <option value="2">按生产厂商查询</option>
  </select>
  查询值：
  <input name="searchValue" type="text" size="18">
  <input name="search" type="submit" value="查询">
</p>
</form>
<!--根据商品数组显示表格内容-->
<table width="100%" border="1">
  <tr align="center">
    <%for(int i = 0; i < colNames.length; i++){%>
      <td><%=colNames[i]%></td>
    <%}%>
  </tr>
  <%for (int i = 0; i < goods.length; i++){%>
    <tr align="left">
      <%for(int j = 0; j < goods[0].length; j++){%>
        <td><%=goods[i][j]%></td>
      <%}%>
    </tr>
  <%}%>
</table>
</center>
</body>
</html>
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