防止某些SlickGrid列被重新排序

var columns = [
  {
    id: "column1",
    name: "Column 1",
    field: "column1",
    sortable: false
  },
  {
    id: "column2",
    name: "Column 2",
    field: "column2",
    sortable: true
  }
];

var options = {
  enableColumnReorder: true
};

var data = [
  { column1: "Row 1, Column 1", column2: "Row 1, Column 2" },
  { column1: "Row 2, Column 1", column2: "Row 2, Column 2" }
];

var grid = new Slick.Grid("#myGrid", data, columns, options);