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                # jQuery EasyUI 數據網格 - 創建子網格 使用數據網格(datagrid)的詳細視圖,用戶可以展開一行來顯示附加的詳細信息。 任何內容都可以加載作為行詳細,子網格也可以動態加載。 本教程將向您展示如何在主網格上創建一個子網格。 ![](https://box.kancloud.cn/2015-12-18_56738689da6aa.png) #### 步驟 1:創建主網格 ``` <table id="dg" style="width:700px;height:250px" url="datagrid22_getdata.php" title="DataGrid - SubGrid" singleSelect="true" fitColumns="true"> <thead> <tr> <th field="itemid" width="80">Item ID</th> <th field="productid" width="100">Product ID</th> <th field="listprice" align="right" width="80">List Price</th> <th field="unitcost" align="right" width="80">Unit Cost</th> <th field="attr1" width="220">Attribute</th> <th field="status" width="60" align="center">Status</th> </tr> </thead> </table> ``` #### 步驟 2:設置詳細視圖來顯示子網格 為了使用詳細視圖,請記得在頁面頭部引用視圖腳本文件。 ``` <script type="text/javascript" src="http://www.w3cschool.cc/try/jeasyui/datagrid-detailview.js"></script> ``` ``` $('#dg').datagrid({ view: detailview, detailFormatter:function(index,row){ return '<div style="padding:2px"><table class="ddv"></table></div>'; }, onExpandRow: function(index,row){ var ddv = $(this).datagrid('getRowDetail',index).find('table.ddv'); ddv.datagrid({ url:'datagrid22_getdetail.php?itemid='+row.itemid, fitColumns:true, singleSelect:true, rownumbers:true, loadMsg:'', height:'auto', columns:[[ {field:'orderid',title:'Order ID',width:100}, {field:'quantity',title:'Quantity',width:100}, {field:'unitprice',title:'Unit Price',width:100} ]], onResize:function(){ $('#dg').datagrid('fixDetailRowHeight',index); }, onLoadSuccess:function(){ setTimeout(function(){ $('#dg').datagrid('fixDetailRowHeight',index); },0); } }); $('#dg').datagrid('fixDetailRowHeight',index); } }); ``` 當用戶點擊展開按鈕('+')時,'onExpandRow' 事件將被觸發。 我們創建一個新的帶有三列的子網格。 當子網格數據加載成功時或者改變尺寸大小時,請記得對主網格調用 'fixDetailRowHeight' 方法。 #### 步驟 3:服務器端代碼 datagrid22_getdata.php ``` $result = array(); include 'conn.php'; $rs = mysql_query("select * from item where itemid in (select itemid from lineitem)"); $items = array(); while($row = mysql_fetch_object($rs)){ array_push($items, $row); } echo json_encode($items); ``` datagrid22_getdetail.php ``` include 'conn.php'; $itemid = mysql_real_escape_string($_REQUEST['itemid']); $rs = mysql_query("select * from lineitem where itemid='$itemid'"); $items = array(); while($row = mysql_fetch_object($rs)){ array_push($items, $row); } echo json_encode($items); ``` ## 下載 jQuery EasyUI 實例 [jeasyui-datagrid-datagrid22.zip](/try/jeasyui/download/jeasyui-datagrid-datagrid22.zip)
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