EASYUI DATAGRID加合计

function onLoadSuccess() {
    //添加“合计”列
    $(‘#datagrid‘).datagrid(‘appendRow‘, {
        baseTypeName: ‘<span>合计</span>‘,
        browseNum: ‘<span class="browseNum">‘ + compute("browseNum") + ‘</span>‘,
    });
  }
  //指定列求和
  function compute(colName) {
    var rows = $(‘#datagrid‘).datagrid(‘getRows‘);
    var total = 0;
    for (var i = 0; i < rows.length; i++) {
      total += parseFloat(rows[i][colName]);
    }
    return total;
  }