jQuery EasyUI使用教程之在树网格中动态加载

动态加载树网格有助于从服务器上加载部分的行数据,避免加载大型数据的长时间等待。本教程将向您展现如何建立具备动态加载特性的树网格。php

jQuery EasyUI最新试用版下载请猛戳>>html

添加节点到树形菜单

点击查看示例mysql

建立树网格

1sql

2json

3服务器

4fetch

5ui

6url

7spa

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<table title="Products" class="easyui-treegrid" style="width:700px;height:300px" url="treegrid3_getdata.php" rownumbers="true" idfield="id" treefield="name">

<thead>

<tr>

<th field="name" width="250">Name</th>

<th field="quantity" width="100" align="right">Quantity</th>

<th field="price" width="150" align="right" formatter="formatDollar">Price</th>

<th field="total" width="150" align="right" formatter="formatDollar">Total</th>

</tr>

</thead>

</table>

服务器代码

treegrid3_getdata.php

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$id = isset($_POST['id']) ? intval($_POST['id']) : 0;

 

include 'conn.php';

$result = array();

$rs = mysql_query("select * from products where parentId=$id");

while($row = mysql_fetch_array($rs)){

$row['state'] = has_child($row['id']) ? 'closed' 'open';

$row['total'] = $row['price']*$row['quantity'];

array_push($result, $row);

}

 

echo json_encode($result);

 

function has_child($id){

$rs = mysql_query("select count(*) from products where parentId=$id");

$row = mysql_fetch_array($rs);

return $row[0] > 0 ? true false;

}

下载EasyUI示例:easyui-treegrid-demo.zip

有兴趣的朋友能够点击查看更多有关jQuery EasyUI的教程>>

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