在不刷新页面的情况下重新绘制Google图表

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

<div id="chart-container"></div>

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

function drawChart() {
  var data = google.visualization.arrayToDataTable([
    ['Year', 'Sales'],
    ['2018', 1000],
    ['2019', 1500],
    ['2020', 2000]
  ]);

  var options = {
    title: 'Sales Report',
    width: 400,
    height: 300
  };

  var chart = new google.visualization.ColumnChart(document.getElementById('chart-container'));
  chart.draw(data, options);
}

function updateChart() {
  var newData = google.visualization.arrayToDataTable([
    ['Year', 'Sales'],
    ['2018', 1200],
    ['2019', 1800],
    ['2020', 2200]
  ]);

  chart.draw(newData, options);
}

<button onclick="updateChart()">Update Chart</button>