<?php
/* Database connection start */
$servername = "localhost";
$username = "root";
$password = "4321";
$dbname = "sales";
$conn = mysqli_connect($servername, $username, $password, $dbname) or die("Connection failed: " . mysqli_connect_error());
mysqli_set_charset($conn,"utf8");
/* Database connection end */
// storing request (ie, get/post) global array to a variable
$requestData= $_REQUEST;
$columns = array(
// datatable column index => database column name
0 =>'date',
1 =>'name_partner',
2 =>'po_no',
3 => 'qt_no',
4=> 'com',
5=> 'Ename',
6=> 'file'
);
// getting total number records without any search
$sql = "SELECT po.id As idPO,date, name_partner, po_no, qt_no, com,Ename,Enname,file ";
$sql.=" FROM po,partner,employee,po_detail where po.id_partner=partner.id_partner AND po.id_author=employee.Eid AND po.id=po_detail.id_po";
$query=mysqli_query($conn, $sql) or die("employee-grid-data.php: get employees");
$totalData = mysqli_num_rows($query);
$totalFiltered = $totalData; // when there is no search parameter then total number rows = total number filtered rows.
$sql = "SELECT po.id As idPO,date, name_partner, po_no, qt_no, com,Ename,Enname,file ";
$sql.=" FROM po,partner,employee,po_detail where po.id_partner=partner.id_partner AND po.id_author=employee.Eid AND po.id=po_detail.id_po AND 1=1";
if( !empty($requestData['search']['value']) ) { // if there is a search parameter, $requestData['search']['value'] contains search parameter
$sql.=" AND ( po_no LIKE '".$requestData['search']['value']."%' ";
$sql.=" OR qt_no LIKE '".$requestData['search']['value']."%' ";
$sql.=" OR date LIKE '".$requestData['search']['value']."%' ";
$sql.=" OR name_partner LIKE '".$requestData['search']['value']."%' ";
$sql.=" OR Ename LIKE '".$requestData['search']['value']."%' ";
$sql.=" OR Enname LIKE '".$requestData['search']['value']."%' ";
$sql.=" OR file LIKE '".$requestData['search']['value']."%' ";
$sql.=" OR com LIKE '".$requestData['search']['value']."%' )";
}
$query=mysqli_query($conn, $sql) or die("employee-grid-data.php: get employees");
$totalFiltered = mysqli_num_rows($query); // when there is a search parameter then we have to modify total number filtered rows as per search result.
$sql.=" ORDER BY ". $columns[$requestData['order'][0]['column']]." ".$requestData['order'][0]['dir']." LIMIT ".$requestData['start']." ,".$requestData['length']." ";
/* $requestData['order'][0]['column'] contains colmun index, $requestData['order'][0]['dir'] contains order such as asc/desc */
$query=mysqli_query($conn, $sql) or die("employee-grid-data.php: get employees");
$data = array();
while( $row=mysqli_fetch_array($query) ) { // preparing an array
$idPO= $row["idPO"];
$nestedData=array();
if($row['com']=='CC') { $nestedData[] = "<div style='color: red;opacity:0.0;'>$row[com]</div><img src='images/central.png' height='40px'/>";}
if($row['com']=='CL') { $nestedData[] = "<div style='color: red;opacity:0.0;'>$row[com]</div><img src='images/clwheel.png' height='40px'/>";}
if($row['com']=='DS') { $nestedData[] = "<div style='color: red;opacity:0.0;'>$row[com]</div><img src='images/dreamshop.png' height='40px'/>";}
list($Year,$month,$day) = explode("-",$row['date']);
$nestedData[] = (int)$day."/".(int)$month."/".($Year+543);
$nestedData[] = $row["po_no"];
$nestedData[] = $row["qt_no"];
$nestedData[] = $row["name_partner"];
$nestedData[] = $row['Ename']." (".$row['Enname'].")";
list($name,$type) = explode(".",$row['file']);
if ($type =='pdf') { $nestedData[] = "<a id='example8' href='images/po/$row[file]'><img src='images/po/PDF-icon.png' align='left' width='60px'/></a>";}
else { $nestedData[] = "<a id='example3' href='images/po/$row[file]'><img src='images/po/$row[file]' width='60px'/></a>";}
$nestedData[] = "<a id='example3' href='checkEdit.php?idx=$idPO&po=po' target='_self'><img src='../images/edit.png' width='30' title='แก้ไข' border='0' ></a>";
$data[] = $nestedData;
}
$json_data = array(
"draw" => intval( $requestData['draw'] ), // for every request/draw by clientside , they send a number as a parameter, when they recieve a response/data they first check the draw number, so we are sending same number in draw.
"recordsTotal" => intval( $totalData ), // total number of records
"recordsFiltered" => intval( $totalFiltered ), // total number of records after searching, if there is no searching then totalFiltered = totalData
"data" => $data // total data array
);
echo json_encode($json_data); // send data as json format
?>
Load balance : Server 01
