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leftstick avatar leftstick commented on June 2, 2024

自定义控件对灵活性要求比较高,目前3.1.0版本只能提供你map实例,剩下的由你自己完成,例如:

<baidu-map map-options="opts" loaded ="onMapLoaded(map)"></baidu-map>
app.controller('DemoCtrl', function($scope) {
    $scope.onMapLoaded = function (map) {
        ZoomControl.prototype = new BMap.Control();

	// 自定义控件必须实现自己的initialize方法,并且将控件的DOM元素返回
	// 在本方法中创建个div元素作为控件的容器,并将其添加到地图容器中
	ZoomControl.prototype.initialize = function(map){
	    // 创建一个DOM元素
	    var div = document.createElement("div");
	    // 添加文字说明
	    div.appendChild(document.createTextNode("放大2级"));
	    // 设置样式
	    div.style.cursor = "pointer";
	    div.style.border = "1px solid gray";
	    div.style.backgroundColor = "white";
	    // 绑定事件,点击一次放大两级
	    div.onclick = function(e){
		map.setZoom(map.getZoom() + 2);
	    }
	    // 添加DOM元素到地图中
	    map.getContainer().appendChild(div);
	    // 将DOM元素返回
	    return div;
        }
        // 创建控件
        var myZoomCtrl = new ZoomControl();
        // 添加到地图当中
        map.addControl(myZoomCtrl);
    }
});

from baidumapforangularjs.

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