如何在ag-grid中选择列数据

<div id="myGrid" style="height: 500px;"></div>

var gridOptions = {
  columnDefs: [
    { headerName: "姓名", field: "name" },
    { headerName: "年龄", field: "age" },
    { headerName: "职业", field: "occupation" }
  ],
  rowData: [
    { name: "张三", age: 25, occupation: "工程师" },
    { name: "李四", age: 30, occupation: "设计师" },
    { name: "王五", age: 35, occupation: "销售员" }
  ]
};

// 在指定的DOM元素上创建ag-Grid
var gridDiv = document.querySelector('#myGrid');
new agGrid.Grid(gridDiv, gridOptions);