Question

我们使用以下代码根据所选的From＆amp; amp;来过滤行。到目前为止。

我们能够成功过滤＆amp;显示结果。

PHP

/* to show selected date */

if (isset($_POST['post_at']) && $_POST['post_at'] != '')
    {
    $orderFromDate = $_POST['post_at'] . "  00:00:00 ";
    }
    else
    {
    $orderFromDate = '';
    }

if (isset($_POST['post_at_to_date']) && $_POST['post_at_to_date'] != '')
    {
    $orderToDate = $_POST['post_at_to_date'] . "    23:59:59  ";
    }
    else
    {
    $orderToDate = '';
    }

/* to show selected date end*/

function getDesignerCollection()
{
    /* date search */
    if (isset($_POST['post_at']) && $_POST['post_at'] != '')
        {
        $orderFromDate = $_POST['post_at'] . " 00:00:00 ";

        }
        else
        {
        $orderFromDate = '';
        }

    if (isset($_POST['post_at_to_date']) && $_POST['post_at_to_date'] != '')
        {
        $orderToDate = $_POST['post_at_to_date'] . "    23:59:59  ";

        }
        else
        {
        $orderToDate = '';
        }
   /* date search end*/

    $accountType = $rows['type'];
    if ($accountType == "admin")
        {

        if ($orderFromDate != '') $order->addFieldToFilter('created_at', array(
            'gteq' => $orderFromDate
        ));
        if ($orderToDate != '') $order->addFieldToFilter('created_at', array(
            'lteq' => $orderToDate
        ));
        }

形式

<form name="frmSearch" method="post" action="">
    <input type="text" placeholder="From Date" id="post_at" 

    value="<?php

if ($orderFromDate != '')
    {
    $newPostStartDate = date('Y-m-d', strtotime($_POST['post_at']));
    echo $newPostStartDate;
    } ?>" name="post_at"  />  

<input type="text" placeholder="To Date" id="post_at_to_date" 


value="<?php

if ($orderToDate != '')
    {
    $newPostEndDate = date('Y-m-d', strtotime($_POST['post_at_to_date']));
    echo $newPostEndDate;
    } ?>"name="post_at_to_date"  />

<input type="submit" name="search" value="search" id="searchButton">

    <input type="button" value="Reset" id="clear-dates">
    </form>

jquery的

jQuery.datepicker.setDefaults({
    showOn: "button",
    buttonImage: "assets/img/datepicker.png",
    buttonText: "Date Picker",
    buttonImageOnly: true,
    dateFormat: 'yy-mm-dd'
});
$(function() {
    $("#post_at").datepicker();
    $("#post_at_to_date").datepicker();
});

现在我们要显示选择了多少行。如果结果如上图所示我们要显示“rows：1”。我是非常新的php＆amp;我试过下面的代码，但它没有显示任何内容：

$link = mysqli_connect("localhost", "my_user", "my_password", "world");
/* check connection */
if (mysqli_connect_errno()) {
    printf("Connect failed: %s\n", mysqli_connect_error());
    exit();
}

if ($result = mysqli_query($link, "SELECT entity_id , created_at  FROM sales_flat_order ORDER BY Name")) {

    /* determine number of rows result set */
    $row_cnt = mysqli_num_rows($result);

    printf("Result set has %d rows.\n", $row_cnt);

    /* close result set */
    mysqli_free_result($result);
}

修改

现在我们要显示显示的行数。所以我们尝试了以下代码。它显示如下图像。它显示“rows = 3”。因为它考虑了“sales_flat_order”表的“entity_id”列。但是我想要“行：9”，因为你可以在图像中看到9行。

require_once '../../app/Mage.php';
Mage::app();

// specify the date picker date-format
$format = 'Y-m-d';


// if posted data are not empty
if(!empty($_POST['post_at']) && !empty($_POST['post_at_to_date']))
{

       if (!empty($_POST['post_at'])) {
           $dateFrom = DateTime::createFromFormat($format, $_POST['post_at']);
       }

       if (!empty($_POST['post_at_to_date'])) {
           $dateTo = DateTime::createFromFormat($format, $_POST['post_at_to_date']);
       }

        // Get the resource model
        $resource = Mage::getSingleton('core/resource');

       // Retrieve the read connection
          $read = $resource->getConnection('core_read');

      // MySQL query
        $query =  'SELECT entity_id, created_at, dproduct_id FROM sales_flat_order WHERE created_at BETWEEN :fromdate AND :todate ;';

// Bind MySQL parameters
$binds = array(
'fromdate' => $dateFrom->format('Y-m-d H:i:s'),
'todate' => $dateTo->format('Y-m-d H:i:s')
);
// Execute the query and store the results in $results
$results = $read->fetchAll($query,$binds);
echo "rows : ".count($results);
echo "<br>";
print_r($results);
}


else {
echo "error you have not specified any dates";
}

完整代码：http://pastebin.com/hMUEusvb

Answer 1

您可以从mysqli查询itsel中计算所选的ID。在mysqli查询中尝试此操作

   if ($result = mysqli_query($link, "SELECT count(entity_id) as Total_count,entity_id , created_at  FROM sales_flat_order ORDER BY Name")) {
    // Your process
}

Answer 2

我认为您的错误在您的问题中不存在。如果您只想解决此问题。你可以使用JavaScript。您只需要知道确切的选择器。

$(document).ready( function (){
   //your selector would direct li or td if there is no other li td    then it works other wise you have select parent then li or td like below comment
   //$(".class li").length

   var count = $("li").length;
   $("yourCounter").html(count);
} );

Answer 3

你的 PHP 代码应该是这样的

// if posted data are not empty
if(!empty($_POST['post_at']) && !empty($_POST['post_at_to_date'])) { 
// specify the date picker date-format
  $format = 'Y-m-d';
// create dates
  $dateFrom = DateTime::createFromFormat($format, $_POST['post_at']);
  $dateTo = DateTime::createFromFormat($format, $_POST['post_at_to_date']);   
// if equal dates are applied to form 
  if($_POST['post_at']==$_POST['post_at_to_date']) {
    $dateTo->add(new DateInterval('T23H59M59S')); 
  }
// Get the resource model
  $resource = Mage::getSingleton('core/resource');    
// Retrieve the read connection
  $read = $resource->getConnection('core_read');
// MySQL query
  $query = 'SELECT `entity_id`, `created_at` FROM `sales_flat_order`  WHERE `created_at` BETWEEN :fromdate AND :todate ;';
// Bind MySQL parameters  
  $binds = array(
    'fromdate' => $dateFrom->format('Y-m-d H:i:s'),
    'todate' => $dateTo->format('Y-m-d H:i:s')
);
// Execute the query and store the results in $results
  $results = $read->fetchAll($query,$binds);
  echo "Orders count: ".count($results);
} else {
  echo "error you have not specified any dates";
}

Answer 4

您可以使用js计算行数。在代码末尾添加以下代码。将selector1替换为仅用于行的类名。在浏览器中检查您的页面，找到一个只存在于行中并且一次连续使用一次的类。然后将selector2替换为要显示行数的类或id。

<script>    
$(document).ready(function () {
    var count = 0;
    //use class unique in each row.
    $("selector1").each(function () {
         count++;
    });
    //use class or id where you want to display count
    $("selector2").prepend("Number of rows "+count);
});

如果你想通过PHP完成它。请将代码粘贴到呈现搜索结果的位置。您当前的代码无效，因为您的代码在文件http://pastebin.com/QKMj0k2p的第293行发回了响应您可以在浏览器的网络选项卡中找到它，并在搜索提交中查看它发送请求的位置以及从那里响应的内容。如果您可以找到它发送响应的位置，则很容易知道哪些代码正在呈现行。解决您的问题将更有帮助。

显示显示结果的计数

4 个答案: