jqgrid---合计功能

function loadGrid() {
    $("#grid").jqGrid({
        url: "back/sale/order/list",
        height: document.body.clientHeight - 130,
        rownumbers: true,
        colModel: [
            {
                label: '销售日期',
                name: 'saleDate',
                index: 'saleDate',
                width: 80,
                formatter: function (cellvalue, options, row) {
                    var time = new Date(cellvalue).toLocaleDateString();
                    time += (" " + new Date(cellvalue).getHours());
                    time += (":" + new Date(cellvalue).getMinutes());
                    time += (":" + new Date(cellvalue).getSeconds());
                    return time;
                }
		}
		, {
                label: '店铺',
                name: 'baseOrgName',
                index: 'baseOrgName',
                width: 80
        }
		, {
                label: '店员',
                name: 'saler',
                index: 'saler',
                width: 80
        }
        , {
                label: '金额(元)',
                name: 'amount',
                index: 'amount',
                width: 80
        }

        , {
                label: '利润(元)',
                name: 'profit',
                index: 'profit',
                width: 80
        }
         ],
        rowNum: 15,
        rowList: [15, 30, 60],
        pager: '#pager',
        sortname: 'id',
        sortorder: "ASC",
        footerrow:true, //在底部添加一行，用于展示统计数据
        caption: "", 
        gridComplete: completeMethod//表格加载后执行统计方法
    });
	//统计方法
    function completeMethod(){  
        var sum_amount=$(this).getCol('amount',false,'sum');  
        var sum_profit=$(this).getCol('profit',false,'sum');  
        $(this).footerData('set', { "saleDate": '合计', amount: sum_amount, profit: sum_profit},false);  
    }  
    jQuery("#grid").jqGrid('navGrid', '#pager', {
        edit: false,
        add: false,
        del: false,
        search: false
    });

}