Javascript 无法显示“缩放”按钮
我尝试使用艺术api。此api是最新的一个,但信息很少Javascript 无法显示“缩放”按钮,javascript,api,google-maps,google-maps-api-3,google-visualization,Javascript,Api,Google Maps,Google Maps Api 3,Google Visualization,我尝试使用艺术api。此api是最新的一个,但信息很少 <!DOCTYPE html> <html> <head> <script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script> <script type="text/javascript"> google.charts.load('
<!DOCTYPE html>
<html>
<head>
<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
<script type="text/javascript">
google.charts.load('current', {
'packages': ['geochart'],
'mapsApiKey': 'AIzaSyD-9tSrke72PouQMnMX-a7eZSW0jkFMBWY'
});
google.charts.setOnLoadCallback(drawRegionsMap);
function drawRegionsMap() {
var data = google.visualization.arrayToDataTable([
['Country', 'Popularity'],
['Germany', 200],
['United States', 300],
['Brazil', 400],
['Canada', 500],
['France', 600],
['Russia', 700]
//['RU', 700]
]);
var options = {
backgroundColor: '#81d4fa',
showZoomOut: true,
};
console.log("showZoomOut=" + options.showZoomOut);
var chart = new google.visualization.GeoChart(document.getElementById('regions_div'));
google.visualization.events.addListener(chart, "zoomOut", function(){
options.region = "world";
console.log(options.region);
chart.draw(data, options);
});
google.visualization.events.addListener(chart, 'regionClick', function(r) {
console.log(r);
options.region = r.region;
chart.draw(data, options);
});
chart.draw(data, options);
}
</script>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<title></title>
</head>
<body>
<div id="regions_div" style="width; 900px; height: 500px;"></div>
</body>
</html>
google.charts.load('current'{
“包”:[“地球艺术”],
“mapsApiKey”:“AIzaSyD-9tSrke72PouQMnMX-a7eZSW0jkFMBWY”
});
google.charts.setOnLoadCallback(DrawRegionMap);
函数drawRegionsMap(){
var data=google.visualization.arrayToDataTable([
[‘国家’、‘受欢迎程度’],
[‘德国’,200],
[‘美国’,300],
[‘巴西’,400],
[Canada',500],
['France',600],
[‘俄罗斯’,700]
//['RU',700]
]);
变量选项={
背景颜色:“#81d4fa”,
是的,
};
console.log(“showZoomOut=“+options.showZoomOut”);
var chart=new google.visualization.geograpart(document.getElementById('regions_div'));
google.visualization.events.addListener(图表,“zoomOut”,函数(){
options.region=“世界”;
console.log(options.region);
图表绘制(数据、选项);
});
google.visualization.events.addListener(图表,'regionClick',函数(r){
控制台日志(r);
options.region=r.region;
图表绘制(数据、选项);
});
图表绘制(数据、选项);
}
showZoomOut选项已为true。但zoomButton不显示。
文件在这里
我希望能像这个zoomButton一样展示 这个问题由我自己解决 zoomButton仅支持GeomMap。无法应用它