29jqGrid 3.0新特征- 显示/隐藏列

这个例子展示了两个新方法: 1.hideCol(colname) - 可以根据一个给出的列名来隐藏一列。 2.showCol(colname) - 可以根据给出的列名来显示一列。 3.当表格在初始化中设置了colModel中的一个新属性hidden的时候，我们可以实现隐藏一列。 例如: {name:‘invdate’,index:‘invdate’, width:90, hidden:true} 这样会把Date列给隐藏了。

HTML代码举例

  
    jqGrid 实例
  
  
    ···代码省略···
    
    

    Hide column Tax
    
    Show column Tax
    ···代码省略···
  

			

javascript代码举例

$(function(){
  pageInit();
});
function pageInit(){
  jQuery("#list17").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 asc, invdate',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 : '#pager17',
        sortname : 'id',
        viewrecords : true,
        sortorder : "desc",
        caption : "Dynamic hide/show columns"
      });
  jQuery("#list17").jqGrid('navGrid', "#pager17", {
    edit : false,
    add : false,
    del : false
  });
  jQuery("#hc").click(function() {
    jQuery("#list17").jqGrid( 'hideCol', "tax");
  });
  jQuery("#sc").click(function() {
    jQuery("#list17").jqGrid( 'showCol', "tax");
  });
}

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);
  }

}