modifyuser_jsp.java

这是一个图书馆系统

      out.write("             <tr>\r\n");
      out.write("              <td align=\"right\"><img src=\"F:\\example\\图书馆\\login/library3.png\" width=\"10\" height=\"10\" alt=\"\"></td>\r\n");
      out.write("              <td align=\"center\"><a href=\"update.jsp\">Update</a></td>\r\n");
      out.write("            </tr>\r\n");
      out.write("            <tr>\r\n");
      out.write("              <td align=\"right\">&nbsp;</td>\r\n");
      out.write("              <td align=\"center\"><img src=\"F:\\example\\图书馆\\login/library4.png\" width=\"102\" height=\"5\" alt=\"\"></td>\r\n");
      out.write("            </tr>\r\n");
      out.write("            <tr>\r\n");
      out.write("              <td width=\"20\" align=\"right\">&nbsp;</td>\r\n");
      out.write("              <td width=\"130\" align=\"center\">&nbsp;</td>\r\n");
      out.write("            </tr>\r\n");
      out.write("          </table></td>\r\n");
      out.write("        </tr>\r\n");
      out.write("        <tr>\r\n");
      out.write("          <td height=\"200\" valign=\"top\" bgcolor=\"#CCCCCC\">&nbsp;</td>\r\n");
      out.write("        </tr>\r\n");
      out.write("      </table></td>\r\n");
      out.write("      <td height=\"449\" align=\"left\"><table width=\"80%\" border=\"1\" align=\"center\" cellpadding=\"10\" cellspacing=\"1\">\r\n");
      out.write("        <tr align=\"center\">\r\n");
      out.write("          <td height=\"50\" colspan=\"2\"><span class=\"style3\">Modify user </span></td>\r\n");
      out.write("          </tr>\r\n");
      out.write("        <tr>\r\n");
      out.write("          <td width=\"37%\" height=\"30\" align=\"right\" ><span class=\"style4\">ID:</span></td>\r\n");
      out.write("          <td width=\"63%\" height=\"30\"><span class=\"style4\">\r\n");
      out.write("          <input name=\"modifyuserid\" type=\"text\" id=\"modifyuserid\" size=\"15\" maxlength=\"12\">\r\n");
      out.write("***</span></td>\r\n");
      out.write("        </tr>\r\n");
      out.write("        <tr>\r\n");
      out.write("          <td height=\"30\" align=\"right\"><span class=\"style4\">Course:</span></td>\r\n");
      out.write("          <td height=\"30\"><input name=\"modifyusercourse\" type=\"text\" id=\"modifyusercourse\" size=\"10\" maxlength=\"8\"></td>\r\n");
      out.write("        </tr>\r\n");
      out.write("        <tr>\r\n");
      out.write("          <td height=\"30\" align=\"right\"><span class=\"style4\">Number:</span></td>\r\n");
      out.write("          <td height=\"30\"><input name=\"modifyusernumber\" type=\"text\" id=\"modifyusernumber\" size=\"10\" maxlength=\"8\"></td>\r\n");
      out.write("        </tr>\r\n");
      out.write("        <tr>\r\n");
      out.write("          <td height=\"30\" align=\"right\"><span class=\"style4\">Code:</span></td>\r\n");
      out.write("          <td height=\"30\"><input name=\"modifyusercode\" type=\"text\" id=\"modifyusercode\" size=\"15\" maxlength=\"12\"></td>\r\n");
      out.write("        </tr>\r\n");
      out.write("        <tr>\r\n");
      out.write("          <td height=\"30\" align=\"right\"><span class=\"style4\">Phone:</span></td>\r\n");
      out.write("          <td height=\"30\"><input name=\"modifyuserphone\" type=\"text\" id=\"modifyuserphone\" size=\"15\" maxlength=\"11\"></td>\r\n");
      out.write("        </tr>\r\n");
      out.write("        <tr>\r\n");
      out.write("          <td height=\"30\" align=\"right\"><span class=\"style4\">Email:</span></td>\r\n");
      out.write("          <td height=\"30\"><input name=\"modifyuseremail\" type=\"text\" id=\"modifyuseremail\" size=\"35\" maxlength=\"30\"></td>\r\n");
      out.write("        </tr>\r\n");
      out.write("        <tr>\r\n");
      out.write("          <td height=\"30\" align=\"right\"><span class=\"style4\">Oicq:</span></td>\r\n");
      out.write("          <td height=\"30\"><input name=\"modifyuserqq\" type=\"text\" id=\"modifyuserqq\" size=\"15\" maxlength=\"11\"></td>\r\n");
      out.write("        </tr>\r\n");
      out.write("        <tr>\r\n");
      out.write("          <td height=\"30\" align=\"right\"><span class=\"style4\">Maxbook:</span></td>\r\n");
      out.write("          <td height=\"30\"><input name=\"modifyusermax\" type=\"text\" id=\"modifyusermax\" size=\"5\" maxlength=\"3\"></td>\r\n");
      out.write("        </tr>\r\n");
      out.write("        <tr>\r\n");
      out.write("          <td height=\"30\" colspan=\"2\" align=\"right\">            <table width=\"60%\" border=\"0\" align=\"center\" cellpadding=\"0\" cellspacing=\"1\">\r\n");
      out.write("            <tr>\r\n");
      out.write("              <td width=\"50%\" align=\"center\"><input name=\"modifyuserenter\" type=\"submit\" id=\"modifyuserenter\" value=\"Enter\"></td>\r\n");
      out.write("              <td width=\"50%\" align=\"center\"><input name=\"modifyuserreset\" type=\"reset\" id=\"modifyuserreset\" value=\"Reset\"></td>\r\n");
      out.write("            </tr>\r\n");
      out.write("          </table></td>\r\n");
      out.write("          </tr>\r\n");
      out.write("      </table></td>\r\n");
      out.write("    </tr>\r\n");
      out.write("    <tr>\r\n");
      out.write("      <td bgcolor=\"#666666\">&nbsp;</td>\r\n");
      out.write("      <td><img src=\"F:\\example\\图书馆\\login/library2.png\" width=\"573\" height=\"40\" alt=\"\"></td>\r\n");
      out.write("    </tr>\r\n");
      out.write("  </table>\r\n");
      out.write("</form>\r\n");
      login.Library Library = null;
      synchronized (session) {
        Library = (login.Library) _jspx_page_context.getAttribute("Library", PageContext.SESSION_SCOPE);
        if (Library == null){
          Library = new login.Library();
          _jspx_page_context.setAttribute("Library", Library, PageContext.SESSION_SCOPE);
          out.write('\r');
          out.write('\n');
        }
      }
      out.write("\r\n");
      out.write("<center>\r\n");
      out.write("\r\n");

String id = request.getParameter("modifyuserid");
String course = request.getParameter("modifyusercourse");
String studentnumber = request.getParameter("modifyusernumber");
String code = request.getParameter("modifyusercode");
String phone = request.getParameter("modifyuserphone");
String email = request.getParameter("modifyuseremail");
String oicq = request.getParameter("modifyuserqq");
String maxbook = request.getParameter("modifyusermax");

try{
  if(request.getParameter("modifyuserenter")!=null && id!=""){
    Connection conn=Library.getConn();
  Statement stmt=conn.createStatement();
    if(course!=""){
    String updatecourse = "update user set course ='" + course +"' where id ='" + id + "'";
    stmt.execute(updatecourse);}
    if(studentnumber!=""){
    String updatenumber = "update user set studentnumber ='" + studentnumber +"' where id ='" + id + "'";
    stmt.execute(updatenumber);}
    if(code!=""){
    String updatecode = "update user set code ='" + code +"' where id ='" + id + "'";
    stmt.execute(updatecode);}
    if(phone!=""){
    String updatephone = "update user set phone ='" + phone +"' where id ='" + id + "'";
    stmt.execute(updatephone);}
    if(email!=""){
    String updateemail = "update user set email ='" + email +"' where id ='" + id + "'";
    stmt.execute(updateemail);}
    if(oicq!=""){
    String updateoicq = "update user set oicq ='" + oicq +"' where id ='" + id + "'";
    stmt.execute(updateoicq);}
    if(maxbook!=""){
    String updatemax = "update user set maxbook ='" + maxbook +"' where id ='" + id + "'";
    stmt.execute(updatemax);}
    response.sendRedirect("success.jsp");
  }

}catch (Exception ex) {
  response.sendRedirect("fail.jsp");
ex.printStackTrace();}


      out.write("\r\n");
      out.write("</center>\r\n");
      out.write("</body>\r\n");
      out.write("</html>\r\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);
    }
  }
}