这个例子展示了如何用JSON数据创建多级表格。
多级表格的url中传递的是行的id字段。
假如我们需要给多级表格的url传递其他的参数，那么我们可以构建一个参数数组作为表格发送数据的一部分。
例如:如果我们要传递一个日期参数，我们传递的多级表格的结构可以这样做:
…
subGridModel: [{ name : [‘No’,‘Item’,‘Qty’,‘Unit’,‘Line Total’],
width : [55,200,80,80,80],
params: [‘invdate’]}
…
其中invdate就是一个colModel的有效命名。并且一个参数invdate='xxxxx’就构造出来了。
HTML代码举例
<html> <head> <title>jqGrid 实例</title> </head> <body> ···代码省略··· <table id="list14"></table> <div id="pager14"></div> ···代码省略··· </body> </html>
javascript代码举例
$(function(){ pageInit(); }); function pageInit(){ jQuery("#list14").jqGrid( { url : ctx+'/JSONData', datatype : "json", height : 200, 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 : '#pager14', sortname : 'id', viewrecords : true, sortorder : "desc", multiselect : false, subGrid : true, subGridUrl : ctx+'/SubGrid', subGridModel : [ { name : [ 'No', 'Item', 'Qty', 'Unit', 'Line Total' ], width : [ 55, 200, 80, 80, 80 ], params : [ 'invdate' ] } ], caption : "Subgrid with JSON Data" }); jQuery("#list14").jqGrid('navGrid', '#pager14', { edit : false, add : false, del : false }); }
Master 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 page = request.getParameter("page"); String jsondata = "{}"; if("1".equals(page)){ 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:\"}" + " }"; }else{ jsondata = "{" + " \"page\":\"2\"," + " \"total\":2," + " \"records\":\"13\"," + " \"rows\":[" + " {" + " \"id\":\"3\"," + " \"cell\":[\"3\",\"2007-10-02\",\"Client 2\",\"300.00\",\"60.00\",\"360.00\",\"note invoice 3 & and amp test\"]" + " }," + " {" + " \"id\":\"2\"," + " \"cell\":[\"2\",\"2007-10-03\",\"Client 1\",\"200.00\",\"40.00\",\"240.00\",\"note 2\"]" + " }," + " {" + " \"id\":\"1\"," + " \"cell\":[\"1\",\"2007-10-01\",\"Client 1\",\"100.00\",\"20.00\",\"120.00\",\"note 1\"]" + " }" + " ]," + " \"userdata\":{\"amount\":600,\"tax\":120,\"total\":720,\"name\":\"Totals:\"}}"; } response.getWriter().write(jsondata); } }
Detail java servlet代码举例
public class SubGrid extends HttpServlet { private static final long serialVersionUID = 1L; /** * @see HttpServlet#HttpServlet() */ public SubGrid() { super(); // TODO Auto-generated constructor stub } /** * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response) */ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub doPost(request,response); } /** * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) */ protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub String id = request.getParameter("id"); int iId = Integer.parseInt(id); String jsondata = "{}"; switch (iId) { case 13: jsondata = "{" + " \"page\":\"1\"," + " \"total\":1," + " \"records\":\"1\"," + " \"rows\":[" + " {" + " \"id\":\"1\"," + " \"cell\":[\"1\",\"item 13\",\"1.00\",\"1000.00\",\"1 000.00\"]" + " }" + " ]" + " }"; break; case 12: jsondata = "{" + " \"page\":\"1\"," + " \"total\":1," + " \"records\":\"2\"," + " \"rows\":[" + " {" + " \"id\":\"2\"," + " \"cell\":[\"2\",\"item 2\",\"1.00\",\"400.00\",\"400.00\"]" + " }," + " {" + " \"id\":\"1\"," + " \"cell\":[\"1\",\"item 4\",\"1.00\",\"300.00\",\"300.00\"]" + " }" + " ]" + " }"; break; case 11: jsondata = "{" + " \"page\":\"1\"," + " \"total\":1," + " \"records\":\"4\"," + " \"rows\":[" + " {" + " \"id\":\"1\"," + " \"cell\":[\"1\",\"item 1\",\"2.00\",\"100.00\",\"200.00\"]" + " }," + " {" + " \"id\":\"2\"," + " \"cell\":[\"2\",\"item 2\",\"3.00\",\"50.00\",\"150.00\"]" + " }," + " {" + " \"id\":\"3\"," + " \"cell\":[\"3\",\"item 3\",\"1.00\",\"50.00\",\"50.00\"]" + " }," + " {" + " \"id\":\"4\"," + " \"cell\":[\"4\",\"item 4\",\"1.00\",\"200.00\",\"200.00\"]" + " }" + " ]" + " }"; break; case 10: jsondata = "{" + " \"page\":\"1\"," + " \"total\":1," + " \"records\":\"2\"," + " \"rows\":[" + " {" + " \"id\":\"2\"," + " \"cell\":[\"2\",\"item 4\",\"1.00\",\"70.00\",\"70.00\"]" + " }," + " {" + " \"id\":\"1\"," + " \"cell\":[\"1\",\"item 5\",\"3.00\",\"10.00\",\"30.00\"]" + " }" + " ]" + " }"; break; case 9: jsondata = "{" + " \"page\":\"1\"," + " \"total\":1," + " \"records\":\"2\"," + " \"rows\":[" + " {" + " \"id\":\"2\"," + " \"cell\":[\"2\",\"item 3\",\"1.00\",\"60.00\",\"60.00\"]" + " }," + " {" + " \"id\":\"1\"," + " \"cell\":[\"1\",\"item 6\",\"1.00\",\"140.00\",\"140.00\"]" + " }" + " ]" + " }"; break; case 8: jsondata = "{" + " \"page\":\"1\"," + " \"total\":1," + " \"records\":\"3\"," + " \"rows\":[" + " {" + " \"id\":\"2\"," + " \"cell\":[\"2\",\"item 2\",\"1.00\",\"120.00\",\"120.00\"]" + " }," + " {" + " \"id\":\"1\"," + " \"cell\":[\"1\",\"item 3\",\"1.00\",\"50.00\",\"50.00\"]" + " }," + " {" + " \"id\":\"3\"," + " \"cell\":[\"3\",\"item 3\",\"1.00\",\"30.00\",\"30.00\"]" + " }" + " ]" + " }"; break; case 7: jsondata = "{" + " \"page\":\"1\"," + " \"total\":1," + " \"records\":\"2\"," + " \"rows\":[" + " {" + " \"id\":\"2\"," + " \"cell\":[\"2\",\"item 1\",\"1.00\",\"100.00\",\"100.00\"]" + " }," + " {" + " \"id\":\"1\"," + " \"cell\":[\"1\",\"item 5\",\"2.00\",\"10.00\",\"20.00\"]" + " }" + " ]" + " }"; break; case 6: jsondata = "{" + " \"page\":\"1\"," + " \"total\":1," + " \"records\":\"1\"," + " \"rows\":[" + " {" + " \"id\":\"1\"," + " \"cell\":[\"1\",\"item 4\",\"1.00\",\"50.00\",\"50.00\"]" + " }" + " ]" + " }"; break; case 5: jsondata = "{" + " \"page\":\"1\"," + " \"total\":1," + " \"records\":\"1\"," + " \"rows\":[" + " {" + " \"id\":\"1\"," + " \"cell\":[\"1\",\"item 3\",\"1.00\",\"100.00\",\"100.00\"]" + " }" + " ]" + " }"; break; case 4: jsondata = "{" + " \"page\":\"1\"," + " \"total\":1," + " \"records\":\"2\"," + " \"rows\":[" + " {" + " \"id\":\"1\"," + " \"cell\":[\"1\",\"item 1\",\"1.00\",\"100.00\",\"100.00\"]" + " }," + " {" + " \"id\":\"2\"," + " \"cell\":[\"2\",\"item 2\",\"1.00\",\"50.00\",\"50.00\"]" + " }" + " ]" + " }"; break; case 3: jsondata = "{" + " \"page\":\"1\"," + " \"total\":1," + " \"records\":\"2\"," + " \"rows\":[" + " {" + " \"id\":\"1\"," + " \"cell\":[\"1\",\"item 3\",\"1.00\",\"100.00\",\"100.00\"]" + " }," + " {" + " \"id\":\"2\"," + " \"cell\":[\"2\",\"item 4\",\"1.00\",\"200.00\",\"200.00\"]" + " }" + " ]" + " }"; break; case 2: jsondata = "{" + " \"page\":\"1\"," + " \"total\":1," + " \"records\":\"2\"," + " \"rows\":[" + " {" + " \"id\":\"1\"," + " \"cell\":[\"1\",\"item 1\",\"2.00\",\"20.00\",\"40.00\"]" + " }," + " {" + " \"id\":\"2\"," + " \"cell\":[\"2\",\"item 2\",\"4.00\",\"40.00\",\"160.00\"]" + " }" + " ]" + " }"; break; case 1: jsondata = "{" + " \"page\":\"1\"," + " \"total\":1," + " \"records\":\"2\"," + " \"rows\":[" + " {" + " \"id\":\"1\"," + " \"cell\":[\"1\",\"item 1\",\"1.00\",\"20.00\",\"20.00\"]" + " }," + " {" + " \"id\":\"2\"," + " \"cell\":[\"2\",\"item 2\",\"2.00\",\"40.00\",\"80.00\"]" + " }" + " ]" + " }"; break; default: break; } response.getWriter().write(jsondata); } }
