50 lines
1016 B
Markdown
50 lines
1016 B
Markdown
---
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title: 添加控件
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date: 2020-10-29
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author: ac
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tags:
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- OpenLayers
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categories:
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- GIS
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---
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## 添加控件
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添加控件的方式：
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1. 初始化`map`对象时配置控件数组。但这样就会替换掉默认的控件，只显示配置的控件数组中的控件。
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2. 在`map`初始化完后调用其`addControl`方法添加。
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```javascript
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//比例尺控件
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var scaleLineControl = new ol.control.ScaleLine({
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units: "metric"
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});
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//全屏显示控件
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var fullSreen = new ol.control.FullScreen();
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var shenzhen = [113.958334, 22.535640];
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var map = new ol.Map({
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view: new ol.View({
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center: ol.proj.fromLonLat(shenzhen),
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zoom: 8,
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rotation: Math.PI/6
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}),
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layers: [
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new ol.layer.Tile({
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source: new ol.source.OSM()
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})
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],
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target: "map",
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//方式一
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controls:[fullSreen]
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});
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//方式二
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map.addControl(scaleLineControl);
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```
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<img src="./images/image-20201110170320881.png" alt="image-20201110170320881" style="zoom: 67%;" />
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