如何显示google图表(折线图)信息(标签)？

<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>

<div id="chart_div"></div>

google.charts.load('current', {'packages':['corechart']});
google.charts.setOnLoadCallback(drawChart);

function drawChart() {
  // 创建数据表
  var data = new google.visualization.DataTable();
  data.addColumn('string', '日期');
  data.addColumn('number', '销售量');
  data.addRows([
    ['2022-01-01', 100],
    ['2022-01-02', 150],
    ['2022-01-03', 200],
    // 添加更多数据行...
  ]);

  // 设置图表选项
  var options = {
    title: '销售量统计',
    curveType: 'function',
    legend: { position: 'bottom' }
  };

  // 创建折线图实例并绘制到指定容器
  var chart = new google.visualization.LineChart(document.getElementById('chart_div'));
  chart.draw(data, options);
}