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jEasyUI 添加分頁組件

本實例演示如何從服務(wù)器端加載數(shù)據(jù),如何添加分頁組件(pagination)到數(shù)據(jù)網(wǎng)格(datagrid)。

創(chuàng)建數(shù)據(jù)網(wǎng)格(DataGrid)

為了從遠程服務(wù)器端加載數(shù)據(jù),您應(yīng)該設(shè)置 'url' 屬性,在您的服務(wù)器端應(yīng)該返回 JSON 格式數(shù)據(jù)。請看數(shù)據(jù)網(wǎng)格(datagrid)文檔得到更多關(guān)于它的數(shù)據(jù)格式信息。

????<table id="tt" class="easyui-datagrid" style="width:600px;height:250px"
????????????url="datagrid2_getdata.php"
????????????title="Load Data" iconCls="icon-save"
????????????rownumbers="true" pagination="true">
????????<thead>
????????????<tr>
????????????????<th field="itemid" width="80">Item ID</th>
????????????????<th field="productid" width="80">Product ID</th>
????????????????<th field="listprice" width="80" align="right">List Price</th>
????????????????<th field="unitcost" width="80" align="right">Unit Cost</th>
????????????????<th field="attr1" width="150">Attribute</th>
????????????????<th field="status" width="60" align="center">Stauts</th>
????????????</tr>
????????</thead>
????</table>

我們定義數(shù)據(jù)網(wǎng)格(datagrid)列,并設(shè)置 'pagination' 屬性為 true,它將在數(shù)據(jù)網(wǎng)格(datagrid)的底部生成一個分頁(pagination)工具欄。pagination將發(fā)送兩個參數(shù)到服務(wù)器:

  • page:頁碼,起始值 1。
  • rows:每頁顯示行。

服務(wù)器端代碼

????$page = isset($_POST['page']) ? intval($_POST['page']) : 1;
????$rows = isset($_POST['rows']) ? intval($_POST['rows']) : 10;
????// ...
????$rs = mysql_query("select count(*) from item");
????$row = mysql_fetch_row($rs);
????$result["total"] = $row[0];
????
????$rs = mysql_query("select * from item limit $offset,$rows");
????
????$items = array();
????while($row = mysql_fetch_object($rs)){
????????array_push($items, $row);
????}
????$result["rows"] = $items;
????
????echo json_encode($result);