EasyXLS

Ds-k2604t Firmware Jun 2026

EasyXLS Excel library can be used to export Excel files with PHP on Windows, Linux, Mac or other operating systems. The integration vary depending on the operating system or if .NET Framework or Java is chosen:

EasyXLS on Windows using .NET Framework (COM+) with PHP

If you opt for the COM+ version of EasyXLS, be sure that you have EasyXLS installed and registered on your machine.

Ds-k2604t Firmware Jun 2026

Check the device properties to ensure the new version number matches your downloaded file.

Use the SADP Tool to scan the network, locate the device, and reassign its original static IP. Best Practices for Post-Upgrade Validation

Click Upgrade . The software will push the file to the panel and initiate the internal update. Troubleshooting Common Upgrade Failures

: Obtain the correct firmware package and extract the digicap.dav file.

: Browse for the firmware file, click Upgrade , and wait for the device to reboot. Do not power off during this process. Best Practices & Warnings ds-k2604t firmware

Certain major firmware jumps (e.g., v1.x to v2.x) format the internal storage partition to accommodate new database structures.

: Updates resolve critical vulnerabilities, including remote command execution risks and potential network exploits.

: Some older firmware versions require a "bridge" update (an intermediate version) before you can jump to the latest release.

If your firmware version supports direct web access, follow these steps: Check the device properties to ensure the new

Always back up your configuration settings and cardholder database before initiating a firmware flash to prevent data loss. Hikvision India Further Exploration Technical Specifications: Review the full hardware capabilities on the Hikvision Global DS-K2604T product page Official Release Notes: Access detailed change logs for specific versions via the Hikvision Support Portal Troubleshooting Guide:

You downloaded regional firmware (e.g., Chinese) for an international panel.

Log back into the panel and check the system information to confirm that the firmware version has successfully updated.

Click and navigate to the extracted .dav firmware file on your computer. Click Upgrade . The software will push the file to the

Allow 5–10 minutes for the file to flash and the controller to reboot. Post-Upgrade Validation

Complete Guide to Hikvision DS-K2604T Firmware Updates and Troubleshooting

Given its role as a security device, safeguarding the DS-K2604T is paramount. The unit supports AES-encrypted communication for data transmitted over TCP/IP and RS-485, protecting sensitive user credentials and access logs. Adhering to basic security practices will enhance the safety of the system:

Execute the following PHP code that exports an Excel file with the header for center section containing the file name and a custom text, header for right section containing the date and time and footer for center section containing the page number and total number of pages.

<?php

/*=============================================================
| Tutorial 08
|
| This tutorial shows how to create an Excel file in PHP having
| multiple sheets. The first sheet is filled with data
| and the cells are formatted and locked.
| The column header has comments.
| The first sheet has header & footer.
* ===========================================================*/

include("DataType.inc");
include("Alignment.inc");
include("Border.inc");
include("Color.inc");
include("Header.inc");
include("Footer.inc");

header("Content-Type: text/html");

echo "Tutorial 08<br>";
echo "----------<br>";

// Create an instance of the class that exports Excel files
$workbook = new COM("EasyXLS.ExcelDocument");

// Create two sheets
$workbook->easy_addWorksheet_2("First tab");
$workbook->easy_addWorksheet_2("Second tab");

// Protect first sheet
$workbook->easy_getSheetAt(0)->setSheetProtected(true);

// Get the table of data for the first worksheet
$xlsFirstTable = $workbook->easy_getSheetAt(0)->easy_getExcelTable();

// Create the formatting style for the header
$xlsStyleHeader = new COM("EasyXLS.ExcelStyle");
$xlsStyleHeader->setFont("Verdana");
$xlsStyleHeader->setFontSize(8);
$xlsStyleHeader->setItalic(True);
$xlsStyleHeader->setBold(True);
$xlsStyleHeader->setForeground((int)$COLOR_YELLOW);
$xlsStyleHeader->setBackground((int)$COLOR_BLACK);
$xlsStyleHeader->setBorderColors ((int)$COLOR_GRAY, (int)$COLOR_GRAY, (int)$COLOR_GRAY, (int)$COLOR_GRAY);
$xlsStyleHeader->setBorderStyles ($BORDER_BORDER_MEDIUM, $BORDER_BORDER_MEDIUM, 
                                        $BORDER_BORDER_MEDIUM, $BORDER_BORDER_MEDIUM);
$xlsStyleHeader->setHorizontalAlignment($ALIGNMENT_ALIGNMENT_CENTER);
$xlsStyleHeader->setVerticalAlignment($ALIGNMENT_ALIGNMENT_BOTTOM);
$xlsStyleHeader->setWrap(True);
$xlsStyleHeader->setDataType($DATATYPE_STRING);

// Add data in cells for report header
for ($column=0; $column<5; $column++)
{
    $xlsFirstTable->easy_getCell(0,$column)->setValue("Column " . ($column + 1));
    $xlsFirstTable->easy_getCell(0,$column)->setStyle($xlsStyleHeader);

    // Add comment for report header cells
    $xlsFirstTable->easy_getCell(0, $column)->setComment_2("This is column no " . ($column + 1));
}
$xlsFirstTable->easy_getRowAt(0)->setHeight(30);

// Create a formatting style for cells
$xlsStyleData = new COM("EasyXLS.ExcelStyle");
$xlsStyleData->setHorizontalAlignment($ALIGNMENT_ALIGNMENT_LEFT);
$xlsStyleData->setForeground((int)$COLOR_DARKGRAY);
$xlsStyleData->setWrap(false);
// Protect cells
$xlsStyleData->setLocked(true);
$xlsStyleData->setDataType($DATATYPE_STRING);

// Add data in cells for report values
for ($row=0; $row<100; $row++)
{
    for ($column=0; $column<5; $column++)
    {
        $xlsFirstTable->easy_getCell($row+1,$column)->setValue("Data " . ($row + 1) .
                                                               ", " . ($column + 1));
        $xlsFirstTable->easy_getCell($row+1,$column)->setStyle($xlsStyleData);
    }
}

// Set column widths
$xlsFirstTable->setColumnWidth_2(0, 70);
$xlsFirstTable->setColumnWidth_2(1, 100);
$xlsFirstTable->setColumnWidth_2(2, 70);
$xlsFirstTable->setColumnWidth_2(3, 100);
$xlsFirstTable->setColumnWidth_2(4, 70);

// Add header on center section
$xlsFirstTab = $workbook->easy_getSheetAt(0);
$xlsFirstTab->easy_getHeaderAt_2($HEADER_POSITION_CENTER)->InsertSingleUnderline();
$xlsFirstTab->easy_getHeaderAt_2($HEADER_POSITION_CENTER)->InsertFile();
$xlsFirstTab->easy_getHeaderAt_2($HEADER_POSITION_CENTER)->InsertValue(" - How to create header and footer");

// Add header on right section
$xlsFirstTab->easy_getHeaderAt_2($HEADER_POSITION_RIGHT)->InsertDate();
$xlsFirstTab->easy_getHeaderAt_2($HEADER_POSITION_RIGHT)->InsertValue(" ");
$xlsFirstTab->easy_getHeaderAt_2($HEADER_POSITION_RIGHT)->InsertTime();

// Add footer on center section
$xlsFirstTab->easy_getFooterAt_2($FOOTER_POSITION_CENTER)->InsertPage();
$xlsFirstTab->easy_getFooterAt_2($FOOTER_POSITION_CENTER)->InsertValue(" of ");
$xlsFirstTab->easy_getFooterAt_2($FOOTER_POSITION_CENTER)->InsertPages();

// Export Excel file
echo "Writing file: C:\Samples\Tutorial08 - header and footer in Excel.xlsx<br>";
$workbook->easy_WriteXLSXFile("C:\Samples\Tutorial08 - header and footer in Excel.xlsx");

// Confirm export of Excel file
if ($workbook->easy_getError() == "")
    echo "File successfully created.";
else
    echo "Error encountered: " . $workbook->easy_getError();

// Dispose memory
$workbook->Dispose();
$workbook = null;
$xlsStyleHeader = null;
$xlsStyleData = null;

?>

Overloaded methods
For methods with same name but different parameters, only the first method overload retains the original name. Subsequent overloads are uniquely renamed by appending to the method name '_2', '_3', etc (method, method_2, method_3), an integer that corresponds to the order of declaration that can be found in EasyXLS.h, a file that comes with EasyXLS installation.

EasyXLS on Linux, Mac, Windows using Java with PHP

If you opt for the Java version of EasyXLS, a similar code as above requires PHP/Java Bridge between PHP and Java.

Step 1: Download EasyXLS Excel Library for Java

To download the trial version of EasyXLS Excel Library, press the below button:

Download EasyXLS™ Excel Library for Java

If you already own a license key, you may login and download EasyXLS from your account.

Step 2: License file setup

Step required for EasyXLS v9.0 or later.

If you are using a trial, generate a trial license file from EasyXLS trials page. The trial license is valid for 30-days.

If you own a license key, you may login to the account that purchased the license and generate the license file from:
https://www.easyxls.com/my-orders

Setup the license file into your project using these guidelines.

Step 3: Install PHP/Java Bridge

Download PHP/Java Bridge and follow the PHP/Java Bridge installation guide for directions.

Step 4: Setup EasyXLS library in Tomcat

Copy EasyXLS.jar into Tomcat installation path, lib folder.

Step 5: Run PHP code that exports an Excel file with header and footer

Execute the following PHP code that exports an Excel file with the header for center section containing the file name and a custom text, header for right section containing the date and time and footer for center section containing the page number and total number of pages.

<?php require_once("http://localhost:8080/JavaBridge/java/Java.inc");

/*=============================================================
| Tutorial 08
|
| This tutorial shows how to create an Excel file in PHP having
| multiple sheets. The first sheet is filled with data
| and the cells are formatted and locked.
| The column header has comments.
| The first sheet has header & footer.
=============================================================*/

include("DataType.inc");
include("Alignment.inc");
include("Border.inc");
include("Color.inc");
include("Header.inc");
include("Footer.inc");

header("Content-Type: text/html");
	
echo "Tutorial 08<br>";
echo "----------<br>";
	
// Create an instance of the class that exports Excel files
$workbook = new java("EasyXLS.ExcelDocument");
	
// Create two sheets
$workbook->easy_addWorksheet("First tab");
$workbook->easy_addWorksheet("Second tab");

// Protect first sheet
$workbook->easy_getSheetAt(0)->setSheetProtected(true);
	
// Get the table of data for the first worksheet
$xlsFirstTable = $workbook->easy_getSheetAt(0)->easy_getExcelTable();

// Create the formatting style for the header
$xlsStyleHeader = new java("EasyXLS.ExcelStyle");
$xlsStyleHeader->setFont("Verdana");
$xlsStyleHeader->setFontSize(8);
$xlsStyleHeader->setItalic(True);
$xlsStyleHeader->setBold(True);
$xlsStyleHeader->setForeground(java("java.awt.Color")->YELLOW);
$xlsStyleHeader->setBackground(java("java.awt.Color")->BLACK);
$xlsStyleHeader->setBorderColors (java("java.awt.Color")->GRAY, java("java.awt.Color")->GRAY,
                                  java("java.awt.Color")->GRAY, java("java.awt.Color")->GRAY);
$xlsStyleHeader->setBorderStyles ($BORDER_BORDER_MEDIUM, $BORDER_BORDER_MEDIUM,
                                  $BORDER_BORDER_MEDIUM, $BORDER_BORDER_MEDIUM);
$xlsStyleHeader->setHorizontalAlignment($ALIGNMENT_ALIGNMENT_CENTER);
$xlsStyleHeader->setVerticalAlignment($ALIGNMENT_ALIGNMENT_BOTTOM);
$xlsStyleHeader->setWrap(True);
$xlsStyleHeader->setDataType($DATATYPE_STRING);
	
// Add data in cells for report header
for ($column=0; $column<5; $column++)
{
    $xlsFirstTable->easy_getCell(0,$column)->setValue("Column " . ($column + 1));
    $xlsFirstTable->easy_getCell(0,$column)->setStyle($xlsStyleHeader);

    // Add comment for report header cells
    $xlsFirstTable->easy_getCell(0, $column)->setComment("This is column no " . ($column + 1));
}
$xlsFirstTable->easy_getRowAt(0)->setHeight(30);
	
// Create a formatting style for cells
$xlsStyleData = new java("EasyXLS.ExcelStyle");
$xlsStyleData->setHorizontalAlignment($ALIGNMENT_ALIGNMENT_LEFT);
$xlsStyleData->setForeground(java("java.awt.Color")->LIGHT_GRAY);
$xlsStyleData->setWrap(false);
$xlsStyleData->setLocked(true);
$xlsStyleData->setDataType($DATATYPE_STRING);
	
// Add data in cells for report values
for ($row=0; $row<100; $row++)
{
    for ($column=0; $column<5; $column++)
    {
        $xlsFirstTable->easy_getCell($row+1,$column)->setValue("Data " . ($row + 1) .
                                                               ", " . ($column + 1));
        $xlsFirstTable->easy_getCell($row+1,$column)->setStyle($xlsStyleData);
    }
}
	
// Set column widths
$xlsFirstTable->setColumnWidth(0, 70);
$xlsFirstTable->setColumnWidth(1, 100);
$xlsFirstTable->setColumnWidth(2, 70);
$xlsFirstTable->setColumnWidth(3, 100);
$xlsFirstTable->setColumnWidth(4, 70);
	
// Add header on center section
$xlsFirstTab = $workbook->easy_getSheetAt(0);
$xlsFirstTab->easy_getHeaderAt($HEADER_POSITION_CENTER)->InsertSingleUnderline();
$xlsFirstTab->easy_getHeaderAt($HEADER_POSITION_CENTER)->InsertFile();
$xlsFirstTab->easy_getHeaderAt($HEADER_POSITION_CENTER)->InsertValue(" - How to create header and footer");

// Add header on right section
$xlsFirstTab->easy_getHeaderAt($HEADER_POSITION_RIGHT)->InsertDate();
$xlsFirstTab->easy_getHeaderAt($HEADER_POSITION_RIGHT)->InsertValue(" ");
$xlsFirstTab->easy_getHeaderAt($HEADER_POSITION_RIGHT)->InsertTime();

// Add footer on center section
$xlsFirstTab->easy_getFooterAt($FOOTER_POSITION_CENTER)->InsertPage();
$xlsFirstTab->easy_getFooterAt($FOOTER_POSITION_CENTER)->InsertValue(" of ");
$xlsFirstTab->easy_getFooterAt($FOOTER_POSITION_CENTER)->InsertPages();
	
// Export Excel file
echo "Writing file: C:\Samples\Tutorial08 - header and footer in Excel.xlsx<br>";
$workbook->easy_WriteXLSXFile("C:\Samples\Tutorial08 - header and footer in Excel.xlsx");
	
// Confirm export of Excel file
if ($workbook->easy_getError() == "")
    echo "File successfully created.";
else
    echo "Error encountered: " . $workbook->easy_getError();
		
// Dispose memory
$workbook->Dispose();

?>

EasyXLS Excel libraries:

.NET
Excel Library for PHP COM+
full COM+ version to import, export or convert Excel files
Excel Writer for PHP COM+
COM+ version to create and export Excel files
-
Java
Excel Library for PHP Java
full Java version to import, export or convert Excel files
Excel Writer for PHP Java
Java version to create and export Excel files
Download EasyXLS™ Excel Library for PHP

File formats:

Office 365
MS Excel 2021 - 2026
MS Excel 2007 - 2019
MS Excel 97 - 2003
XLSXXLSMXLSBXLS
XMLHTMLCSVTXT