53jqGrid 分组 - 动态改变分组

这个例子展示了一些比较有用的方法，入动态的更改分组，删除分组等。

HTML代码举例

  
    jqGrid 实例
  
  
    ···代码省略···
    Group By: 
      Client name
      Invoice Date
      Remove Grouping  
    
    
    
    
    

    ···代码省略···
  

javascript代码举例

$(function(){
  pageInit();
});
function pageInit(){
  jQuery("#48remote4").jqGrid({
       url:ctx+'/JSONData',
    datatype: "json",
       colNames:['Inv No','Date', 'Client', 'Amount','Tax','Total','Notes'],
       colModel:[
         {name:'id',index:'id', width:55, editable:true, sorttype:'int',summaryType:'count', summaryTpl : '({0}) total'},
         {name:'invdate',index:'invdate', width:90, sorttype:'date', formatter:'date', datefmt:'d/m/Y'},
         {name:'name',index:'name', width:100},
         {name:'amount',index:'amount', width:80, align:"right", sorttype:'number',formatter:'number',summaryType:'sum'},
         {name:'tax',index:'tax', width:80, align:"right",sorttype:'number',formatter:'number',summaryType:'sum'},    
         {name:'total',index:'total', width:80,align:"right",sorttype:'number',formatter:'number', summaryType:'sum'},
         {name:'note',index:'note', width:150, sortable:false,editable:true}    
       ],
       rowNum:10,
       rowList:[10,20,30],
       height: 'auto',
       pager: '#p48remote4',
       sortname: 'invdate',
      viewrecords: true,
      sortorder: "desc",
      caption:"Dynamically changing the grouping",
      grouping: true,
       groupingView : {
         groupField : ['name'],
         groupColumnShow : [true],
         groupText : ['{0}'],
         groupCollapse : false,
      groupOrder: ['asc'],
      groupSummary : [true],
      groupDataSorted : true
       },
      footerrow: true,
      userDataOnFooter: true
  });
  jQuery("#chngroup").change(function(){
    var vl = $(this).val();
    if(vl) {
      if(vl == "clear") {
        jQuery("#48remote4").jqGrid('groupingRemove',true);
      } else {
        jQuery("#48remote4").jqGrid('groupingGroupBy',vl);
      }
    }
  });

}

java servlet代码举例

package net.mn886.blog.jqgrid.loadding_data;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class JSONData
 */
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);
  }

}