https://google-developers.appspot.com/chart/interactive/docs/gallery/piechart#overview
<html> <head> <script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script> <script type="text/javascript"> google.charts.load('current', {'packages':['corechart']}); google.charts.setOnLoadCallback(drawChart); function drawChart() { var data = google.visualization.arrayToDataTable([ ['Task', 'Hours per Day'], ['Work', 11], ['Eat', 2], ['Commute', 2], ['Watch TV', 2], ['Sleep', 7] ]); var options = { title: 'My Daily Activities' }; var chart = new google.visualization.PieChart(document.getElementById('piechart')); chart.draw(data, options); } </script> </head> <body> <div id="piechart" style="width: 900px; height: 500px;"></div> </body> </html>
改成2
<html>
<head>
<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
<script type="text/javascript">
google.charts.load('current', {'packages':['corechart']});
google.charts.setOnLoadCallback(drawChart);
function drawChart() {
var data = google.visualization.arrayToDataTable([
['Task', 'Hours per Day'],
['Work', 2],
['Eat', 2],
['Commute', 2],
['Watch TV', 2],
['Sleep', 2]
]);
var options = {
title: 'My Daily Activities'
};
var chart = new google.visualization.PieChart(document.getElementById('piechart'));
chart.draw(data, options);
}
</script>
</head>
<body>
<div id="piechart" style="width: 900px; height: 500px;"></div>
</body>
</html>
改 drawChart()
<html>
<head>
<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
<script type="text/javascript">
function add() {
var a ;
var b ;
alert('result value');
}
google.charts.load('current', {'packages':['corechart']});
google.charts.setOnLoadCallback(drawChart);
function drawChart() {
var a ;
a=3;
var data = google.visualization.arrayToDataTable([
['Task', 'Hours per Day'],
['Work', a],
['Eat', 2],
['Commute', 2],
['Watch TV', 2],
['Sleep', 2]
]);
var options = {
title: 'My Daily Activities'
};
var chart = new google.visualization.PieChart(document.getElementById('piechart'));
chart.draw(data, options);
}
</script>
</head>
<body>
<div id="piechart" style="width: 900px; height: 500px;"></div>
<input type="button" value="submit" onclick="function drawChart()"/>
</body>
</html>
<head>
<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
<script type="text/javascript">
google.charts.load('current', {'packages':['corechart']});
google.charts.setOnLoadCallback(drawChart);
var a;
function check() {
var radio1=document.getElementsByName("v1");
for(var i=0;i<radio1.length;i++)
{
if(radio1.item(i).checked==true)
{
flag1=1+i;
alert(radio1.item(i).value);
break;
}
}
}
function add() {
var a ;
var b ;
alert('result value');
}
function drawChart() {
var a ;
a=3;
var data = google.visualization.arrayToDataTable([
['Task', 'Hours per Day'],
['Work', a],
['Eat', 2],
['Commute', 2],
]);
var options = {
title: 'My Daily Activities'
};
var chart = new google.visualization.PieChart(document.getElementById('piechart'));
chart.draw(data, options);
}
</script>
</head>
<body>
<h1>1、你選了什麼？</h1>
<input name="v1" type="radio" value="300年">300年
<input name="v1" type="radio" value="400年">400年
<input name="v1" type="radio" value="1000年">1000年
<h1>2、你選了什麼？</h1>
<input name="v2" type="radio" value="300年">300年
<input name="v2" type="radio" value="400年">400年
<input name="v2" type="radio" value="1000年">1000年
<br>
<input type="button" value="submit" onclick="check() "/>
<div id="piechart" style="width: 900px; height: 500px;"></div>
</body>
</html>
沒有留言:
張貼留言