SOURCE

G7SMap.init({
    id: 'map',
    key: {
        'bmap': 'ebAmxZxmn8hHBm1anhEcTH8j',
      	'gmap': 'AIzaSyBdZt3pUFIFTWKlHqUA_m6GJo_V--k84KU'
    },
  	center: [116.3702520000, 39.8890690000],
    zoom: 12
}).then(function (map) {
  	// map即为初始化完成的 G7SMap 地图实例对象
    
		var point = new G7SMap.Point(116.3738450000, 39.8497120000);
		var infowindow = new G7SMap.InfoWindow('我是一个infowindow', { position: point });
  
  	document.querySelector('.add-infowindow').addEventListener('click', function () {
      	// map.openInfoWindow(infowindow, point)方法和open方法是同理的
        infowindow.open(point);
    });
  
  	document.querySelector('.remove-infowindow').addEventListener('click', function () {
        // 关闭infowindow，移除dom结构
      	map.clearOverlays();
    });
  
  	document.querySelector('.show-infowindow').addEventListener('click', function () {
      	infowindow.show();
    });
  
  	document.querySelector('.hide-infowindow').addEventListener('click', function () {
        infowindow.close();
    });
  
  	document.querySelector('.get-content').addEventListener('click', function () {
        alert(infowindow.getContent());
    });
  
  	document.querySelector('.set-content').addEventListener('click', function () {
        infowindow.setContent('我是改变的infowindow');
    });
  
  	document.querySelector('.get-pos').addEventListener('click', function () {
        alert(infowindow.getPosition().toString());
    });
  
  	document.querySelector('.set-pos').addEventListener('click', function () {
      	var point = new G7SMap.Point(116.3738450000, 39.8597120000);
      
      	infowindow.setPosition(point);
    });
});

<div id="map" class="map"></div>
<div>
  <button class="add-infowindow">添加infowindow</button>
  <button class="remove-infowindow">移除infowindow</button>
  <button class="show-infowindow">显示infowindow</button>
  <button class="hide-infowindow">隐藏infowindow</button>
</div>
<div style="margin-top: 10px;">
  <button class="get-content">getContent</button>
  <button class="set-content">setContent</button>
  <button class="get-pos">getPosition</button>
  <button class="set-pos">setPosition</button>
</div>

.map {
  max-width: 800px;
  height: 500px;
}
.result {
  color: #f60;
}