这个例子演示了jqGrid的两个新功能。
- loadComplete() callback -该方法是在执行加载数据后立即执行。
这样我们就可以根据不同的需求来做不同的变化修改。 - 新方法 getDataIDs() -返回当前加载数据的id列表。
这个方法可以与loadComplete回调方法组合来试用。
HTML代码举例
<html> <head> <title>jqGrid 实例</title> </head> <body> ···代码省略··· <table id="list15"></table> <div id="pager15"></div> ···代码省略··· </body> </html>
javascript代码举例
$(function(){ pageInit(); }); function pageInit(){ jQuery("#list15") .jqGrid( { url : ctx+'/JSONData', datatype : "json", colNames : [ 'Inv No', 'Date', 'Client', 'Amount','Tax', 'Total', 'Notes' ], colModel : [ {name : 'id',index : 'id',width : 55}, {name : 'invdate', index : 'invdate',width : 90}, {name : 'name',index : 'name',width : 100}, {name : 'amount',index : 'amount',width : 80,align : "right"}, {name : 'tax',index : 'tax',width : 80,align : "right"}, {name : 'total',index : 'total',width : 80,align : "right"}, {name : 'note',index : 'note',width : 150,sortable : false} ], rowNum : 10, rowList : [ 10, 20, 30 ], pager : '#pager15', sortname : 'id', viewrecords : true, sortorder : "desc", loadComplete : function() { var ret; alert("这个方法是执行加载数据完成之后的回调方法。我们可以尝试在此之后更新第13行数据。"); ret = jQuery("#list15").jqGrid('getRowData', "13"); if (ret.id == "13") { jQuery("#list15") .jqGrid( 'setRowData', ret.id, { note : "<font color='red'>Row 13 is updated!</font>" }) } } }); jQuery("#sids").click(function() { alert("Id's of Grid: \n" + jQuery("#list15").jqGrid('getDataIDs')); }); }
java servlet代码举例
public class JSONData extends HttpServlet { private static final long serialVersionUID = 1L; /** * @see HttpServlet#HttpServlet() */ public JSONData() { super(); // TODO Auto-generated constructor stub } @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { // TODO Auto-generated method stub doPost(req,resp); } /** * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) */ protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub String jsondata = "{\"page\":\"1\"," + " \"total\":2," + " \"records\":\"13\"," + " \"rows\":" + " [" + " {" + " \"id\":\"13\"," + " \"cell\":" + " [\"13\",\"2007-10-06\",\"Client 3\",\"1000.00\",\"0.00\",\"1000.00\",null]" + " }," + " {" + " \"id\":\"12\"," + " \"cell\":" + " [\"12\",\"2007-10-06\",\"Client 2\",\"700.00\",\"140.00\",\"840.00\",null]" + " }," + " {" + " \"id\":\"11\"," + " \"cell\":" + " [\"11\",\"2007-10-06\",\"Client 1\",\"600.00\",\"120.00\",\"720.00\",null]" + " }," + " {" + " \"id\":\"10\"," + " \"cell\":" + " [\"10\",\"2007-10-06\",\"Client 2\",\"100.00\",\"20.00\",\"120.00\",null]" + " }," + " {" + " \"id\":\"9\"," + " \"cell\":" + " [\"9\",\"2007-10-06\",\"Client 1\",\"200.00\",\"40.00\",\"240.00\",null]" + " }," + " {" + " \"id\":\"8\"," + " \"cell\":" + " [\"8\",\"2007-10-06\",\"Client 3\",\"200.00\",\"0.00\",\"200.00\",null]" + " }," + " {" + " \"id\":\"7\"," + " \"cell\":" + " [\"7\",\"2007-10-05\",\"Client 2\",\"120.00\",\"12.00\",\"134.00\",null]" + " }," + " {" + " \"id\":\"6\"," + " \"cell\":" + " [\"6\",\"2007-10-05\",\"Client 1\",\"50.00\",\"10.00\",\"60.00\",\"\"]" + " }," + " {" + " \"id\":\"5\"," + " \"cell\":" + " [\"5\",\"2007-10-05\",\"Client 3\",\"100.00\",\"0.00\",\"100.00\",\"no tax at all\"]" + " }," + " {" + " \"id\":\"4\"," + " \"cell\":" + " [\"4\",\"2007-10-04\",\"Client 3\",\"150.00\",\"0.00\",\"150.00\",\"no tax\"]" + " }" + " ]," + " \"userdata\":{\"amount\":3220,\"tax\":342,\"total\":3564,\"name\":\"Totals:\"}" + " }"; response.getWriter().write(jsondata); } }
