我正在查看 Three.js,并找到了这个示例。 https://trijsfundamentals.org/thirdjs/lessons/thirdjs-load-gltf.html 不幸的是,当我使用 Flask 在本地运行它时,我一直收到所有三个导入的错误。
import * as THREE from 'https://threejsfundamentals.org/threejs/resources/threejs/r122/build/three.module.js';
import {OrbitControls} from 'https://threejsfundamentals.org/threejs/resources/threejs/r122/examples/jsm/controls/OrbitControls.js';
import {GLTFLoader} from 'https://threejsfundamentals.org/threejs/resources/threejs/r122/examples/jsm/loaders/GLTFLoader.js';
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Uncaught SyntaxError: Cannot use import statement outside a module
我到处寻找解决方案,但找不到任何解决方案。
我还尝试使用脚本标签运行三个导入。
<script src="{{url_for('static',filename='js/three/build/three.js')}}"></script>
<script type="module" src="{{url_for('static',filename='js/three/examples/jsm/controls/OrbitControls.js')}}"></script>
<script type="module" src="{{url_for('static',filename='js/three/examples/jsm/loaders/GLTFLoader.js')}}"></script>
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这可行,但是当我尝试下面的代码时,我得到:
Uncaught ReferenceError: OrbitControls is not defined
const controls = new OrbitControls(camera, canvas);
controls.target.set(0, 5, 0);
controls.update();
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另外,如果我尝试使用 GLTFLoader,我会收到错误。
const loader = new THREE.GLTFLoader();
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或者
const loader = new GLTFLoader();
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任何想法我如何解决这个问题将不胜感激。
您需要说明您的脚本标记的类型为module。所以你需要的是这样的:
<html>
<body>
<script type="module">
import * as THREE from 'https://threejsfundamentals.org/threejs/resources/threejs/r122/build/three.module.js';
import {OrbitControls} from 'https://threejsfundamentals.org/threejs/resources/threejs/r122/examples/jsm/controls/OrbitControls.js';
import {GLTFLoader} from 'https://threejsfundamentals.org/threejs/resources/threejs/r122/examples/jsm/loaders/GLTFLoader.js';
</script>
</body>
</html>
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