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📄 advsearch_jsp.java

📁 JSP网上书店系统 采用ACCESS数据库
💻 JAVA
📖 第 1 页 / 共 2 页
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  String getOptionsLOV( String sLOV, boolean isSearch, boolean isRequired, String selectedValue ) {
    String sSel = "";
    String slOptions = "";
    String sOptions = "";
    String id = "";
    String val = "";
    java.util.StringTokenizer LOV = new java.util.StringTokenizer( sLOV, ";", true);
    int i = 0;
    String old = ";";
    while ( LOV.hasMoreTokens() ) {
      id = LOV.nextToken();
      if ( ! old.equals(";") && ( id.equals(";") ) ) {
        id = LOV.nextToken();
      }
      else {
        if ( old.equals(";") && ( id.equals(";") ) ) {
          id = "";
        }
      }
      if ( ! id.equals("") )  { old = id; }

      i++;

      if (LOV.hasMoreTokens()) {
        val = LOV.nextToken();
        if ( ! old.equals(";") && (val.equals(";") ) ) {
          val = LOV.nextToken();
        }
        else {
          if (old.equals(";") && (val.equals(";"))) {
            val = "";
          }
        }
        if ( val.equals(";") ) { val = ""; }
        if ( ! val.equals("")) { old = val; }
        i++;
      }

      if ( id.compareTo( selectedValue ) == 0 ) {
        sSel = "SELECTED";
      }
      else {
        sSel = "";
      }
      slOptions += "<option value=\""+id+"\" "+sSel+">"+val+"</option>";
    }
    if (  ( i % 2 ) == 0 ) sOptions += slOptions;
    return sOptions;
  }

  String getValFromLOV( String selectedValue , String sLOV) {
    String sRes = "";
    String id = "";
    String val = "";
    java.util.StringTokenizer LOV = new java.util.StringTokenizer( sLOV, ";", true);
    int i = 0;
    String old = ";";
    while ( LOV.hasMoreTokens() ) {
      id = LOV.nextToken();
      if ( ! old.equals(";") && ( id.equals(";") ) ) {
        id = LOV.nextToken();
      }
      else {
        if ( old.equals(";") && ( id.equals(";") ) ) {
          id = "";
        }
      }
      if ( ! id.equals("") )  { old = id; }

      i++;

      if (LOV.hasMoreTokens()) {
        val = LOV.nextToken();
        if ( ! old.equals(";") && (val.equals(";") ) ) {
          val = LOV.nextToken();
        }
        else {
          if (old.equals(";") && (val.equals(";"))) {
            val = "";
          }
        }
        if ( val.equals(";") ) { val = ""; }
        if ( ! val.equals("")) { old = val; }
        i++;
      }

      if ( id.compareTo( selectedValue ) == 0 ) {
        sRes = val;
      }
    }
    return sRes;
  }


  String checkSecurity(int iLevel, javax.servlet.http.HttpSession session, javax.servlet.http.HttpServletResponse response, javax.servlet.http.HttpServletRequest request){
    try {
      Object o1 = session.getAttribute("UserID");
      Object o2 = session.getAttribute("UserRights");
      boolean bRedirect = false;
      if ( o1 == null || o2 == null ) { bRedirect = true; }
      if ( ! bRedirect ) {
        if ( (o1.toString()).equals("")) { bRedirect = true; }
        else if ( (new Integer(o2.toString())).intValue() < iLevel) { bRedirect = true; }
      }

      if ( bRedirect ) {
        response.sendRedirect("Login.jsp?querystring=" + toURL(request.getQueryString()) + "&ret_page=" + toURL(request.getRequestURI()));
        return "sendRedirect";
      }
    }
    catch(Exception e){};
    return "";
  }




static final String sFileName = "AdvSearch.jsp";
              



  void Search_Show (javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, javax.servlet.http.HttpSession session, javax.servlet.jsp.JspWriter out, String sSearchErr, String sForm, String sAction, java.sql.Connection conn, java.sql.Statement stat) throws java.io.IOException {
    try {
      

      String fldname="";
      String fldauthor="";
      String fldcategory_id="";
      String fldpricemin="";
      String fldpricemax="";


      String sSQL="";
      String transitParams = "";
      String sQueryString = "";
      String sPage = "";
      

      out.println("    <table style=\"\">");
      out.println("     <tr>\n      <td style=\"background-color: #336699; text-align: Center; border-style: outset; border-width: 1\" colspan=\"11\"><a name=\"Search\"><font style=\"font-size: 12pt; color: #FFFFFF; font-weight: bold\">Advanced Search</font></a></td>\n     </tr>");
      out.println("     <form method=\"get\" action=\"Books.jsp\" name=\"Search\">\n     <tr>");
      // Set variables with search parameters
      
      fldname = getParam( request, "name");
      fldauthor = getParam( request, "author");
      fldcategory_id = getParam( request, "category_id");
      fldpricemin = getParam( request, "pricemin");
      fldpricemax = getParam( request, "pricemax");

      // Show fields
      

      out.println("      <td style=\"background-color: #FFEAC5; border-style: inset; border-width: 0\"><font style=\"font-size: 10pt; color: #000000\">书名</font></td>");
      out.print("      <td style=\"background-color: #FFFFFF; border-width: 1\">"); out.print("<input type=\"text\"  name=\"name\" maxlength=\"20\" value=\""+toHTML(fldname)+"\" size=\"20\">");
 out.println("</td>\n     </tr>\n     <tr>");
      
      out.println("      <td style=\"background-color: #FFEAC5; border-style: inset; border-width: 0\"><font style=\"font-size: 10pt; color: #000000\">作者</font></td>");
      out.print("      <td style=\"background-color: #FFFFFF; border-width: 1\">"); out.print("<input type=\"text\"  name=\"author\" maxlength=\"100\" value=\""+toHTML(fldauthor)+"\" size=\"20\">");
 out.println("</td>\n     </tr>\n     <tr>");
      
      out.println("      <td style=\"background-color: #FFEAC5; border-style: inset; border-width: 0\"><font style=\"font-size: 10pt; color: #000000\">类别</font></td>");
      out.print("      <td style=\"background-color: #FFFFFF; border-width: 1\">"); 
      out.print("<select name=\"category_id\">"+getOptions( conn, "select category_id, name from categories order by 2",true,false,fldcategory_id)+"</select>");
       out.println("</td>\n     </tr>\n     <tr>");
      
      out.println("      <td style=\"background-color: #FFEAC5; border-style: inset; border-width: 0\"><font style=\"font-size: 10pt; color: #000000\">价格高于</font></td>");
      out.print("      <td style=\"background-color: #FFFFFF; border-width: 1\">"); out.print("<input type=\"text\"  name=\"pricemin\" maxlength=\"10\" value=\""+toHTML(fldpricemin)+"\" size=\"10\">");
 out.println("</td>\n     </tr>\n     <tr>");
      
      out.println("      <td style=\"background-color: #FFEAC5; border-style: inset; border-width: 0\"><font style=\"font-size: 10pt; color: #000000\">价格低于</font></td>");
      out.print("      <td style=\"background-color: #FFFFFF; border-width: 1\">"); out.print("<input type=\"text\"  name=\"pricemax\" maxlength=\"10\" value=\""+toHTML(fldpricemax)+"\" size=\"10\">");
 out.println("</td>\n     </tr>\n     <tr>");
      
      out.println("      <td align=\"right\" colspan=\"3\"><input type=\"submit\" value=\"Search\"/></td>");
      out.println("     </tr>\n     </form>\n    </table>");
      out.println("");
    }
    catch (Exception e) { out.println(e.toString()); }
  }

  private static java.util.Vector _jspx_dependants;

  static {
    _jspx_dependants = new java.util.Vector(1);
    _jspx_dependants.add("/pages/Common.jsp");
  }

  public java.util.List getDependants() {
    return _jspx_dependants;
  }

  public void _jspService(HttpServletRequest request, HttpServletResponse response)
        throws java.io.IOException, ServletException {

    JspFactory _jspxFactory = null;
    PageContext pageContext = null;
    HttpSession session = null;
    ServletContext application = null;
    ServletConfig config = null;
    JspWriter out = null;
    Object page = this;
    JspWriter _jspx_out = null;
    PageContext _jspx_page_context = null;


    try {
      _jspxFactory = JspFactory.getDefaultFactory();
      response.setContentType("text/html;charset=gb2312");
      pageContext = _jspxFactory.getPageContext(this, request, response,
      			null, true, 8192, true);
      _jspx_page_context = pageContext;
      application = pageContext.getServletContext();
      config = pageContext.getServletConfig();
      session = pageContext.getSession();
      out = pageContext.getOut();
      _jspx_out = out;

      out.write('\r');
      out.write('\n');


boolean bDebug = false;

String sAction = getParam( request, "FormAction");
String sForm = getParam( request, "FormName");
String sSearchErr = "";

java.sql.Connection conn = null;
java.sql.Statement stat = null;
String sErr = loadDriver();
conn = cn();
stat = conn.createStatement();
if ( ! sErr.equals("") ) {
 try {
   out.println(sErr);
 }
 catch (Exception e) {}
}


      out.write("            \r\n");
      out.write("<html>\r\n");
      out.write("<head>\r\n");
      out.write("<title>Book Store</title>\r\n");
      out.write("<meta name=\"GENERATOR\" content=\"YesSoftware CodeCharge v.1.2.0 / JSP.ccp build 05/21/2001\"/>\r\n");
      out.write("<meta http-equiv=\"pragma\" content=\"no-cache\"/>\r\n");
      out.write("<meta http-equiv=\"expires\" content=\"0\"/>\r\n");
      out.write("<meta http-equiv=\"cache-control\" content=\"no-cache\"/>\r\n");
      out.write("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=ISO-8859-1\">\r\n");
      out.write("</head>\r\n");
      out.write("<body style=\"background-color: #FFFFFF; color: #000000; font-family: Arial, Tahoma, Verdana, Helveticabackground-color: #FFFFFF; color: #000000; font-family: Arial, Tahoma, Verdana, Helvetica\">\r\n");
      org.apache.jasper.runtime.JspRuntimeLibrary.include(request, response, "Header.jsp", out, true);
      out.write("\r\n");
      out.write(" <table>\r\n");
      out.write("  <tr>\r\n");
      out.write("   \r\n");
      out.write("   <td valign=\"top\">\r\n");
 Search_Show(request, response, session, out, sSearchErr, sForm, sAction, conn, stat); 
      out.write("\r\n");
      out.write("    \r\n");
      out.write("   </td>\r\n");
      out.write("  </tr>\r\n");
      out.write(" </table>\r\n");
      out.write("\r\n");
      org.apache.jasper.runtime.JspRuntimeLibrary.include(request, response, "Footer.jsp", out, true);
      out.write("\r\n");
      out.write("</body>\r\n");
      out.write("</html>\r\n");

      out.write('\r');
      out.write('\n');

if ( stat != null ) stat.close();
if ( conn != null ) conn.close();

      out.write('\r');
      out.write('\n');
    } catch (Throwable t) {
      if (!(t instanceof SkipPageException)){
        out = _jspx_out;
        if (out != null && out.getBufferSize() != 0)
          out.clearBuffer();
        if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
      }
    } finally {
      if (_jspxFactory != null) _jspxFactory.releasePageContext(_jspx_page_context);
    }
  }
}

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