dishshow.jsp

酒店前台的JAVA

<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<%@ include file="Connections/conn.jsp" %>
<%
String dishShow__MMColParam = "1";
if (request.getParameter("dish_NO") !=null) {dishShow__MMColParam = (String)request.getParameter("dish_NO");}
%>
<%
Driver DriverdishShow = (Driver)Class.forName(MM_conn_DRIVER).newInstance();
Connection ConndishShow = DriverManager.getConnection(MM_conn_STRING,MM_conn_USERNAME,MM_conn_PASSWORD);
PreparedStatement StatementdishShow = ConndishShow.prepareStatement("SELECT * FROM dbo.dish WHERE dish_NO = '" + dishShow__MMColParam + "'");
ResultSet dishShow = StatementdishShow.executeQuery();
boolean dishShow_isEmpty = !dishShow.next();
boolean dishShow_hasData = !dishShow_isEmpty;
Object dishShow_data;
int dishShow_numRows = 0;
%>
<%
String Recordset1__MMColParam = "1";
if (request.getParameter("dish_NO") !=null) {Recordset1__MMColParam = (String)request.getParameter("dish_NO");}
%>
<%
Driver DriverRecordset1 = (Driver)Class.forName(MM_conn_DRIVER).newInstance();
Connection ConnRecordset1 = DriverManager.getConnection(MM_conn_STRING,MM_conn_USERNAME,MM_conn_PASSWORD);
PreparedStatement StatementRecordset1 = ConnRecordset1.prepareStatement("SELECT * FROM dbo.dish  WHERE dish_NO = " + Recordset1__MMColParam + "");
ResultSet Recordset1 = StatementRecordset1.executeQuery();
boolean Recordset1_isEmpty = !Recordset1.next();
boolean Recordset1_hasData = !Recordset1_isEmpty;
Object Recordset1_data;
int Recordset1_numRows = 0;
%>
<%
int Repeat1__numRows = 3;
int Repeat1__index = 0;
dishShow_numRows += Repeat1__numRows;
%>
<%
// *** Recordset Stats, Move To Record, and Go To Record: declare stats variables

int dishShow_first = 1;
int dishShow_last  = 1;
int dishShow_total = -1;

if (dishShow_isEmpty) {
  dishShow_total = dishShow_first = dishShow_last = 0;
}

//set the number of rows displayed on this page
if (dishShow_numRows == 0) {
  dishShow_numRows = 1;
}
%>
<%
// *** Recordset Stats: if we don't know the record count, manually count them

if (dishShow_total == -1) {

  // count the total records by iterating through the recordset
    for (dishShow_total = 1; dishShow.next(); dishShow_total++);

  // reset the cursor to the beginning
  dishShow.close();
  dishShow = StatementdishShow.executeQuery();
  dishShow_hasData = dishShow.next();

  // set the number of rows displayed on this page
  if (dishShow_numRows < 0 || dishShow_numRows > dishShow_total) {
    dishShow_numRows = dishShow_total;
  }

  // set the first and last displayed record
  dishShow_first = Math.min(dishShow_first, dishShow_total);
  dishShow_last  = Math.min(dishShow_first + dishShow_numRows - 1, dishShow_total);
}
%>
<% String MM_paramName = ""; %>
<%
// *** Move To Record and Go To Record: declare variables

ResultSet MM_rs = dishShow;
int       MM_rsCount = dishShow_total;
int       MM_size = dishShow_numRows;
String    MM_uniqueCol = "";
          MM_paramName = "";
int       MM_offset = 0;
boolean   MM_atTotal = false;
boolean   MM_paramIsDefined = (MM_paramName.length() != 0 && request.getParameter(MM_paramName) != null);
%>
<%
// *** Move To Record: handle 'index' or 'offset' parameter

if (!MM_paramIsDefined && MM_rsCount != 0) {

  //use index parameter if defined, otherwise use offset parameter
  String r = request.getParameter("index");
  if (r==null) r = request.getParameter("offset");
  if (r!=null) MM_offset = Integer.parseInt(r);

  // if we have a record count, check if we are past the end of the recordset
  if (MM_rsCount != -1) {
    if (MM_offset >= MM_rsCount || MM_offset == -1) {  // past end or move last
      if (MM_rsCount % MM_size != 0)    // last page not a full repeat region
        MM_offset = MM_rsCount - MM_rsCount % MM_size;
      else
        MM_offset = MM_rsCount - MM_size;
    }
  }

  //move the cursor to the selected record
  int i;
  for (i=0; dishShow_hasData && (i < MM_offset || MM_offset == -1); i++) {
    dishShow_hasData = MM_rs.next();
  }
  if (!dishShow_hasData) MM_offset = i;  // set MM_offset to the last possible record
}
%>
<%
// *** Move To Record: if we dont know the record count, check the display range

if (MM_rsCount == -1) {

  // walk to the end of the display range for this page
  int i;
  for (i=MM_offset; dishShow_hasData && (MM_size < 0 || i < MM_offset + MM_size); i++) {
    dishShow_hasData = MM_rs.next();
  }

  // if we walked off the end of the recordset, set MM_rsCount and MM_size
  if (!dishShow_hasData) {
    MM_rsCount = i;
    if (MM_size < 0 || MM_size > MM_rsCount) MM_size = MM_rsCount;
  }

  // if we walked off the end, set the offset based on page size
  if (!dishShow_hasData && !MM_paramIsDefined) {
    if (MM_offset > MM_rsCount - MM_size || MM_offset == -1) { //check if past end or last
      if (MM_rsCount % MM_size != 0)  //last page has less records than MM_size
        MM_offset = MM_rsCount - MM_rsCount % MM_size;
      else
        MM_offset = MM_rsCount - MM_size;
    }
  }

  // reset the cursor to the beginning
  dishShow.close();
  dishShow = StatementdishShow.executeQuery();
  dishShow_hasData = dishShow.next();
  MM_rs = dishShow;

  // move the cursor to the selected record
  for (i=0; dishShow_hasData && i < MM_offset; i++) {
    dishShow_hasData = MM_rs.next();
  }
}
%>
<%
// *** Move To Record: update recordset stats

// set the first and last displayed record
dishShow_first = MM_offset + 1;
dishShow_last  = MM_offset + MM_size;
if (MM_rsCount != -1) {
  dishShow_first = Math.min(dishShow_first, MM_rsCount);
  dishShow_last  = Math.min(dishShow_last, MM_rsCount);
}

// set the boolean used by hide region to check if we are on the last record
MM_atTotal  = (MM_rsCount != -1 && MM_offset + MM_size >= MM_rsCount);
%>
<%
// *** Go To Record and Move To Record: create strings for maintaining URL and Form parameters

String MM_keepBoth,MM_keepURL="",MM_keepForm="",MM_keepNone="";
String[] MM_removeList = { "index", MM_paramName };

// create the MM_keepURL string
if (request.getQueryString() != null) {
  MM_keepURL = '&' + request.getQueryString();
  for (int i=0; i < MM_removeList.length && MM_removeList[i].length() != 0; i++) {
  int start = MM_keepURL.indexOf(MM_removeList[i]) - 1;
    if (start >= 0 && MM_keepURL.charAt(start) == '&' &&
        MM_keepURL.charAt(start + MM_removeList[i].length() + 1) == '=') {
      int stop = MM_keepURL.indexOf('&', start + 1);
      if (stop == -1) stop = MM_keepURL.length();
      MM_keepURL = MM_keepURL.substring(0,start) + MM_keepURL.substring(stop);
    }
  }
}

// add the Form variables to the MM_keepForm string
if (request.getParameterNames().hasMoreElements()) {
  java.util.Enumeration items = request.getParameterNames();
  while (items.hasMoreElements()) {
    String nextItem = (String)items.nextElement();
    boolean found = false;
    for (int i=0; !found && i < MM_removeList.length; i++) {
      if (MM_removeList[i].equals(nextItem)) found = true;
    }
    if (!found && MM_keepURL.indexOf('&' + nextItem + '=') == -1) {
      MM_keepForm = MM_keepForm + '&' + nextItem + '=' + java.net.URLEncoder.encode(request.getParameter(nextItem));
    }
  }
}

String tempStr = "";
for (int i=0; i < MM_keepURL.length(); i++) {
  if (MM_keepURL.charAt(i) == '<') tempStr = tempStr + "&lt;";
  else if (MM_keepURL.charAt(i) == '>') tempStr = tempStr + "&gt;";
  else if (MM_keepURL.charAt(i) == '"') tempStr = tempStr +  "&quot;";
  else tempStr = tempStr + MM_keepURL.charAt(i);
}
MM_keepURL = tempStr;

tempStr = "";
for (int i=0; i < MM_keepForm.length(); i++) {
  if (MM_keepForm.charAt(i) == '<') tempStr = tempStr + "&lt;";
  else if (MM_keepForm.charAt(i) == '>') tempStr = tempStr + "&gt;";
  else if (MM_keepForm.charAt(i) == '"') tempStr = tempStr +  "&quot;";
  else tempStr = tempStr + MM_keepForm.charAt(i);
}
MM_keepForm = tempStr;

// create the Form + URL string and remove the intial '&' from each of the strings
MM_keepBoth = MM_keepURL + MM_keepForm;
if (MM_keepBoth.length() > 0) MM_keepBoth = MM_keepBoth.substring(1);
if (MM_keepURL.length() > 0)  MM_keepURL = MM_keepURL.substring(1);
if (MM_keepForm.length() > 0) MM_keepForm = MM_keepForm.substring(1);
%>
<%
// *** Move To Record: set the strings for the first, last, next, and previous links

String MM_moveFirst,MM_moveLast,MM_moveNext,MM_movePrev;
{
  String MM_keepMove = MM_keepBoth;  // keep both Form and URL parameters for moves
  String MM_moveParam = "index=";

  // if the page has a repeated region, remove 'offset' from the maintained parameters
  if (MM_size > 1) {
    MM_moveParam = "offset=";
    int start = MM_keepMove.indexOf(MM_moveParam);
    if (start != -1 && (start == 0 || MM_keepMove.charAt(start-1) == '&')) {
      int stop = MM_keepMove.indexOf('&', start);
      if (start == 0 && stop != -1) stop++;
      if (stop == -1) stop = MM_keepMove.length();
      if (start > 0) start--;
      MM_keepMove = MM_keepMove.substring(0,start) + MM_keepMove.substring(stop);
    }
  }

  // set the strings for the move to links
  StringBuffer urlStr = new StringBuffer(request.getRequestURI()).append('?').append(MM_keepMove);
  if (MM_keepMove.length() > 0) urlStr.append('&');
  urlStr.append(MM_moveParam);
  MM_moveFirst = urlStr + "0";
  MM_moveLast  = urlStr + "-1";
  MM_moveNext  = urlStr + Integer.toString(MM_offset+MM_size);
  MM_movePrev  = urlStr + Integer.toString(Math.max(MM_offset-MM_size,0));
}
%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>菜肴信息页面</title>
<STYLE>
    #Layer1 {
        Z-INDEX: 1;
        WIDTH: 118px;
        POSITION: absolute;
        HEIGHT: 28px
    }
    body {
	
    }
.STYLE1 {color: #FFFFFF}
</STYLE>
</head>

<body>
<table width="101%" border="1" cellpadding="0" cellspacing="0" bordercolor="#B98631" style="FONT-SIZE: 14px; COLOR: #323229">
  <tr>
    <th align="left" bgcolor="#B98631" scope="col">&nbsp;<span class="STYLE1">菜肴信息</span></th>
  </tr>
  <tr>
    <td><table width="100%" border="0" align="center">
        <tr>
          <td align="left" width="25%">&nbsp; 菜肴编号</td>
          <td align="left" width="25%"> &nbsp;菜肴名称</td>
          <td align="left" width="25%"> &nbsp;菜肴价格</td>
          <td align="left" width="25%"> &nbsp;菜肴特点</td>
        </tr>
        <% while ((dishShow_hasData)&&(Repeat1__numRows-- != 0)) { %>
          <tr>
            <td align="left" width="25%"><a href="dishShow.jsp?<%= MM_keepBoth + ((MM_keepBoth!="")?"&":"") + "dish_NO=" + (((dishShow_data = dishShow.getObject("dish_NO"))==null || dishShow.wasNull())?"":dishShow_data) %>"><%=(((dishShow_data /* = dishShow.getObject("dish_NO")*/)==null /* || dishShow.wasNull() */ )?"":dishShow_data)%></a> </td>
            <td align="left" width="25%"><%=(((dishShow_data = dishShow.getObject("dish_name"))==null || dishShow.wasNull())?"":dishShow_data)%> </td>
            <td align="left" width="25%"><%=(((dishShow_data = dishShow.getObject("price"))==null || dishShow.wasNull())?"":dishShow_data)%> </td>
            <td align="left" width="25%"><%=(((dishShow_data = dishShow.getObject("trait"))==null || dishShow.wasNull())?"":dishShow_data)%> </td>
          </tr>
          <%
  Repeat1__index++;
  dishShow_hasData = dishShow.next();
}
%>
      </table>
      <br>
      <table border="0" width="100%" align="center">
        <tr>
          <td width="23%" align="center"><% if (MM_offset !=0) { %>
              <a href="<%=MM_moveFirst%>">第一页</a>
              <% } /* end MM_offset != 0 */ %>
          </td>
          <td width="31%" align="center"><% if (MM_offset !=0) { %>
              <a href="<%=MM_movePrev%>">前一页</a>
              <% } /* end MM_offset != 0 */ %>
          </td>
          <td width="23%" align="center"><% if (!MM_atTotal) { %>
              <a href="<%=MM_moveNext%>">下一页</a>
              <% } /* end !MM_atTotal */ %>
          </td>
          <td width="23%" align="center"><% if (!MM_atTotal) { %>
              <a href="<%=MM_moveLast%>">最后一页</a>
              <% } /* end !MM_atTotal */ %>
          </td>
        </tr>
      </table>
      &nbsp;&#35760;&#24405; <%=(dishShow_first)%> &#21040; <%=(dishShow_last)%> (&#24635;&#20849; <%=(dishShow_total)%> </td>
  </tr>
</table>
</body>
</html>
<%
dishShow.close();
StatementdishShow.close();
ConndishShow.close();
%>
<%
Recordset1.close();
StatementRecordset1.close();
ConnRecordset1.close();
%>