帶有資料標籤的時間線圖

以下是帶有資料標籤的時間線圖示例。我們已經在 Google 圖表配置語法章節中看到用於繪製此圖表的配置。因此，我們來看看完整的示例。

配置

我們已經使用 Timeline 類來顯示時間線圖。

//Timeline chart
var chart = new google.visualization.Timeline(document.getElementById('container'));

示例

googlecharts_timelines_labels.htm

真實演示

<html>
   <head>
      <title>Google Charts Tutorial</title>
      <script type = "text/javascript" src = "https://www.gstatic.com/charts/loader.js">
      </script>
      <script type = "text/javascript" src = "https://www.google.com/jsapi">
      </script>
      <script type = "text/javascript">
         google.charts.load('current', {packages: ['timeline']});     
      </script>
   </head>
   
   <body>
      <div id = "container" style = "width: 550px; height: 400px; margin: 0 auto">
      </div>
      <script language = "JavaScript">
         function drawChart() {
            // Define the chart to be drawn.
            var data = new google.visualization.DataTable();
            data.addColumn({ type: 'string', id: 'President' });
            data.addColumn({ type: 'string', id: 'Name' });
            data.addColumn({ type: 'date', id: 'Start' });
            data.addColumn({ type: 'date', id: 'End' });
            data.addRows([
            [ '1', 'George Washington', new Date(1789, 3, 30), new Date(1797, 2, 4) ],
            [ '2', 'John Adams',      new Date(1797, 2, 4),  new Date(1801, 2, 4) ],
            [ '3', 'Thomas Jefferson',  new Date(1801, 2, 4),  new Date(1809, 2, 4) ]]);

            var options = {      
               width: '100%', 
               height: '100%'	  
            };
                  
            // Instantiate and draw the chart.
            var chart = new google.visualization.Timeline(document.getElementById('container'));
            chart.draw(data, options);
         }
         google.charts.setOnLoadCallback(drawChart);
      </script>
   </body>
</html>

結果

驗證結果。

googlecharts_timelines_charts.htm

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