我是这个主题的新手,并遵循以下建议:
https://developers.google.com/chart/interactive/docs/quick_start
它告诉我,我们可以在那里进行以下代码段,将其经过文件,用HTML扩展名保存,然后在浏览器中查看饼图。不幸的是它不起作用。
JavaScript调试器说'loader.js:1 uck offfick syntaxerror:无效或意外的令牌'紧随其后的是,毫不奇怪,'未介绍的参考文献:Google未在test1.html上定义:8'
<html>
<head>
<!--Load the AJAX API-->
<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
<script type="text/javascript">
// Load the Visualization API and the corechart package.
google.charts.load('current', {'packages':['corechart']});
// Set a callback to run when the Google Visualization API is loaded.
google.charts.setOnLoadCallback(drawChart);
// Callback that creates and populates a data table,
// instantiates the pie chart, passes in the data and
// draws it.
function drawChart() {
// Create the data table.
var data = new google.visualization.DataTable();
data.addColumn('string', 'Topping');
data.addColumn('number', 'Slices');
data.addRows([
['Mushrooms', 3],
['Onions', 1],
['Olives', 1],
['Zucchini', 1],
['Pepperoni', 2]
]);
// Set chart options
var options = {'title':'How Much Pizza I Ate Last Night',
'width':400,
'height':300};
// Instantiate and draw our chart, passing in some options.
var chart = new google.visualization.PieChart(document.getElementById('chart_div'));
chart.draw(data, options);
}
</script>
</head>
<body>
<!--Div that will hold the pie chart-->
<div id="chart_div"></div>
</body>
</html>
那么,为什么这个完全开箱即用的标准示例不起作用?在这个示例中有些过时吗?
似乎是公司保护本地工作站的副作用