xgkh.jsp

jsp写的一个简单的售药系统(系统需求分析).采用sql2000数据库,通过odbc连接

<%@ page contentType="text/html; charset=utf-8" language="java" import="java.sql.*" errorPage="" %>
<%@ include file="Connections/syxt.jsp" %>
<%
// *** Edit Operations: declare variables

// set the form action variable
String MM_editAction = request.getRequestURI();
if (request.getQueryString() != null && request.getQueryString().length() > 0) {
  String queryString = request.getQueryString();
  String tempStr = "";
  for (int i=0; i < queryString.length(); i++) {
    if (queryString.charAt(i) == '<') tempStr = tempStr + "&lt;";
    else if (queryString.charAt(i) == '>') tempStr = tempStr + "&gt;";
    else if (queryString.charAt(i) == '"') tempStr = tempStr +  "&quot;";
    else tempStr = tempStr + queryString.charAt(i);
  }
  MM_editAction += "?" + tempStr;
}

// connection information
String MM_editDriver = null, MM_editConnection = null, MM_editUserName = null, MM_editPassword = null;

// redirect information
String MM_editRedirectUrl = null;

// query string to execute
StringBuffer MM_editQuery = null;

// boolean to abort record edit
boolean MM_abortEdit = false;

// table information
String MM_editTable = null, MM_editColumn = null, MM_recordId = null;

// form field information
String[] MM_fields = null, MM_columns = null;
%>
<%
// *** Update Record: set variables

if (request.getParameter("MM_update") != null &&
    request.getParameter("MM_update").toString().equals("form1") &&
    request.getParameter("MM_recordId") != null) {

  MM_editDriver     = MM_syxt_DRIVER;
  MM_editConnection = MM_syxt_STRING;
  MM_editUserName   = MM_syxt_USERNAME;
  MM_editPassword   = MM_syxt_PASSWORD;
  MM_editTable  = "dbo.khzl";
  MM_editColumn = "khbh";
  MM_recordId   = "" + request.getParameter("MM_recordId") + "";
  MM_editRedirectUrl = "khtj.jsp?khbh="+request.getParameter("khbh");
  String MM_fieldsStr = "khmc|value|khdh|value|khdz|value";
  String MM_columnsStr = "khmc|',none,''|khdh|',none,''|khdz|',none,''";

  // create the MM_fields and MM_columns arrays
  java.util.StringTokenizer tokens = new java.util.StringTokenizer(MM_fieldsStr,"|");
  MM_fields = new String[tokens.countTokens()];
  for (int i=0; tokens.hasMoreTokens(); i++) MM_fields[i] = tokens.nextToken();

  tokens = new java.util.StringTokenizer(MM_columnsStr,"|");
  MM_columns = new String[tokens.countTokens()];
  for (int i=0; tokens.hasMoreTokens(); i++) MM_columns[i] = tokens.nextToken();

  // set the form values
  for (int i=0; i+1 < MM_fields.length; i+=2) {
    MM_fields[i+1] = ((request.getParameter(MM_fields[i])!=null)?(String)request.getParameter(MM_fields[i]):"");
  }

  // append the query string to the redirect URL
  if (MM_editRedirectUrl.length() != 0 && request.getQueryString() != null) {
    MM_editRedirectUrl += ((MM_editRedirectUrl.indexOf('?') == -1)?"?":"&") + request.getQueryString();
  }
}
%>
<%
// *** Update Record: construct a sql update statement and execute it

if (request.getParameter("MM_update") != null &&
    request.getParameter("MM_recordId") != null) {

  // create the update sql statement
  MM_editQuery = new StringBuffer("update ").append(MM_editTable).append(" set ");
  String[] MM_dbValues_prep = new String[MM_fields.length/2];
  for (int i=0; i+1 < MM_fields.length; i+=2) {
    String formVal = MM_fields[i+1];
    String elem;
    java.util.StringTokenizer tokens = new java.util.StringTokenizer(MM_columns[i+1],",");
    elem = (String)tokens.nextToken(); // consume the delim
    String altVal   = ((elem = (String)tokens.nextToken()) != null && elem.compareTo("none")!=0)?elem:"";
    String emptyVal = ((elem = (String)tokens.nextToken()) != null && elem.compareTo("none")!=0)?elem:"";
    if (formVal.length() == 0) {
        if(emptyVal.equals("NULL")) {
            formVal = null;
        } else if(emptyVal.charAt(0) == '\'') {
            formVal = emptyVal.substring(1, emptyVal.length()-1);
        } else {
            formVal = emptyVal;
        }
    } else if (altVal.length() != 0) {
        if(altVal.charAt(0) == '\'') {
            formVal = altVal.substring(1, altVal.length()-1);
        } else {
            formVal = altVal;
        }
    }
    MM_dbValues_prep[i/2] = formVal;
    MM_editQuery.append((i!=0)?",":"").append(MM_columns[i]).append(" = ?");
  }
  MM_editQuery.append(" where ").append(MM_editColumn).append(" = ?");
  
  if (!MM_abortEdit) {
    // finish the sql and execute it
    Driver MM_driver = (Driver)Class.forName(MM_editDriver).newInstance();
    Connection MM_connection = DriverManager.getConnection(MM_editConnection,MM_editUserName,MM_editPassword);
    PreparedStatement MM_editStatement = MM_connection.prepareStatement(MM_editQuery.toString());
    for(int i=0; i<MM_dbValues_prep.length; i++) {
        MM_editStatement.setObject(i+1, new String(MM_dbValues_prep[i].toString().getBytes("ISO8859_1"),"UTF-8"));
    }
    MM_editStatement.setObject(MM_dbValues_prep.length+1, MM_recordId);
    MM_editStatement.executeUpdate();
    MM_connection.close();

    // redirect with URL parameters
    if (MM_editRedirectUrl.length() != 0) {
      response.sendRedirect(response.encodeRedirectURL(MM_editRedirectUrl));
      return;
    }
  }
}
%>
<%
String Recordset1__MMColParam = "1";
if (request.getParameter("khbh") !=null) {Recordset1__MMColParam = (String)request.getParameter("khbh");}
%>
<%
Driver DriverRecordset1 = (Driver)Class.forName(MM_syxt_DRIVER).newInstance();
Connection ConnRecordset1 = DriverManager.getConnection(MM_syxt_STRING,MM_syxt_USERNAME,MM_syxt_PASSWORD);
PreparedStatement StatementRecordset1 = ConnRecordset1.prepareStatement("SELECT * FROM dbo.khzl WHERE khbh = ?");
StatementRecordset1.setObject(1, Recordset1__MMColParam);
ResultSet Recordset1 = StatementRecordset1.executeQuery();
boolean Recordset1_isEmpty = !Recordset1.next();
boolean Recordset1_hasData = !Recordset1_isEmpty;
Object Recordset1_data;
int Recordset1_numRows = 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=utf-8" />
<title>修改客户信息</title>
</head>

<body>
<form id="form1" name="form1" method="POST" action="<%=MM_editAction%>">
  <table width="720" height="71" border="1">
    <tr>
      <th width="130" scope="col">客户编号</th>
      <th width="176" height="35" scope="col">客户名称</th>
      <th width="176" scope="col">客户电话</th>
      <th width="210" scope="col">客户地址</th>
    </tr>
    <tr>
      <th scope="col"><%=(((Recordset1_data = Recordset1.getObject("khbh"))==null || Recordset1.wasNull())?"":Recordset1_data)%>&nbsp;</th>
      <th height="26" scope="col">&nbsp;
      <input name="khmc" type="text" id="khmc" value="<%=(((Recordset1_data = Recordset1.getObject("khmc"))==null || Recordset1.wasNull())?"":Recordset1_data)%>" /></th>
      <th scope="col"><input name="khdh" type="text" id="khdh" value="<%=(((Recordset1_data = Recordset1.getObject("khdh"))==null || Recordset1.wasNull())?"":Recordset1_data)%>" />
      &nbsp;</th>
      <th scope="col"><input name="khdz" type="text" id="khdz" value="<%=(((Recordset1_data = Recordset1.getObject("khdz"))==null || Recordset1.wasNull())?"":Recordset1_data)%>" />
      &nbsp;</th>
    </tr>
  </table>
  <input type="submit" name="button" id="button" value="提交" />
  <br />
  <input type="hidden" name="MM_update" value="form1" />
  <input type="hidden" name="MM_recordId" value="<%=request.getParameter("khbh")%>" />
</form>
</body>
</html>
<%
Recordset1.close();
StatementRecordset1.close();
ConnRecordset1.close();
%>