SOURCE

G7SMap.init({
    id: 'map',
    key: {
        'bmap': 'ebAmxZxmn8hHBm1anhEcTH8j',
      	'gmap': 'AIzaSyBdZt3pUFIFTWKlHqUA_m6GJo_V--k84KU'
    }
}).then(function (map) {
    // map即为初始化完成的 G7SMap 地图实例对象
  	
  	var point= new G7SMap.Point(115, 40);
  	var sw = new G7SMap.Point(114, 39);
		var ne = new G7SMap.Point(116, 41);
  	var bounds = new G7SMap.Bounds(sw, ne);
  	var sw1 = new G7SMap.Point(114.5, 39.5);
		var ne1 = new G7SMap.Point(115.5, 40.5);
  	var bounds1 = new G7SMap.Bounds(sw1, ne1);
  
  	console.info('bounds中心点', bounds.getCenter());
  	console.info('bounds西南点', bounds.getSouthWest());
  	console.info('bounds东北点', bounds.getNorthEast());
  	console.info('bounds与bounds1是否相等', bounds.equals(bounds1));
  	console.info('point是否在bounds内', bounds.containsPoint(point));
  	console.info('bounds1是否完全在bounds中', bounds.containsBounds(bounds1));
  	console.info('bounds是否为空', bounds.isEmpty());
});

<div id="map" class="map"></div>

.map {
  max-width: 800px;
  height: 500px;
}