fix: use 3Dmodule zip

This commit is contained in:
xiaoma
2026-02-02 21:03:41 +08:00
parent 69c8a88571
commit b83d9377c0
4 changed files with 145 additions and 12 deletions

View File

@@ -15,6 +15,7 @@
"antd": "^6.2.2",
"axios": "^1.13.4",
"framer-motion": "^12.29.2",
"jszip": "^3.10.1",
"react": "^19.2.0",
"react-dom": "^19.2.0",
"react-router-dom": "^7.13.0",

View File

@@ -1,16 +1,21 @@
import React, { Suspense } from 'react';
import React, { Suspense, useState, useEffect } from 'react';
import { Canvas, useLoader } from '@react-three/fiber';
import { OBJLoader } from 'three/examples/jsm/loaders/OBJLoader';
import { MTLLoader } from 'three/examples/jsm/loaders/MTLLoader';
import { OrbitControls, Stage, useProgress, Environment, ContactShadows } from '@react-three/drei';
import { Spin } from 'antd';
import JSZip from 'jszip';
import * as THREE from 'three';
const Model = ({ objPath, mtlPath, scale = 1 }) => {
const materials = useLoader(MTLLoader, mtlPath);
// If mtlPath is provided, load materials first
const materials = mtlPath ? useLoader(MTLLoader, mtlPath) : null;
const obj = useLoader(OBJLoader, objPath, (loader) => {
materials.preload();
loader.setMaterials(materials);
if (materials) {
materials.preload();
loader.setMaterials(materials);
}
});
const clone = obj.clone();
@@ -46,6 +51,111 @@ const LoadingOverlay = () => {
};
const ModelViewer = ({ objPath, mtlPath, scale = 1, autoRotate = true }) => {
const [paths, setPaths] = useState(null);
const [unzipping, setUnzipping] = useState(false);
const [error, setError] = useState(null);
useEffect(() => {
let isMounted = true;
const blobUrls = [];
const loadPaths = async () => {
if (!objPath) return;
// 如果是 zip 文件
if (objPath.toLowerCase().endsWith('.zip')) {
setUnzipping(true);
setError(null);
try {
const response = await fetch(objPath);
const arrayBuffer = await response.arrayBuffer();
const zip = await JSZip.loadAsync(arrayBuffer);
let extractedObj = null;
let extractedMtl = null;
const fileMap = {};
// 1. 提取所有文件并创建 Blob URL 映射
for (const [filename, file] of Object.entries(zip.files)) {
if (file.dir) continue;
const content = await file.async('blob');
const url = URL.createObjectURL(content);
blobUrls.push(url);
// 记录文件名到 URL 的映射,用于后续材质引用图片等情况
const baseName = filename.split('/').pop();
fileMap[baseName] = url;
if (filename.toLowerCase().endsWith('.obj')) {
extractedObj = url;
} else if (filename.toLowerCase().endsWith('.mtl')) {
extractedMtl = url;
}
}
if (isMounted) {
if (extractedObj) {
setPaths({ obj: extractedObj, mtl: extractedMtl });
} else {
setError('压缩包内未找到 .obj 模型文件');
}
}
} catch (err) {
console.error('Error unzipping model:', err);
if (isMounted) setError('加载压缩包失败');
} finally {
if (isMounted) setUnzipping(false);
}
} else {
// 普通路径
setPaths({ obj: objPath, mtl: mtlPath });
}
};
loadPaths();
return () => {
isMounted = false;
// 清理 Blob URL 释放内存
blobUrls.forEach(url => URL.revokeObjectURL(url));
};
}, [objPath, mtlPath]);
if (unzipping) {
return (
<div style={{
display: 'flex',
flexDirection: 'column',
alignItems: 'center',
justifyContent: 'center',
height: '100%',
background: 'rgba(0,0,0,0.1)'
}}>
<Spin size="large" />
<div style={{ color: '#00b96b', marginTop: 15, fontWeight: '500' }}>正在解压 3D 资源...</div>
</div>
);
}
if (error) {
return (
<div style={{
display: 'flex',
alignItems: 'center',
justifyContent: 'center',
height: '100%',
color: '#ff4d4f',
padding: 20,
textAlign: 'center'
}}>
{error}
</div>
);
}
if (!paths) return null;
return (
<div style={{ position: 'relative', width: '100%', height: '100%' }}>
<LoadingOverlay />
@@ -56,7 +166,7 @@ const ModelViewer = ({ objPath, mtlPath, scale = 1, autoRotate = true }) => {
<Suspense fallback={null}>
<Stage environment="city" intensity={0.6} adjustCamera={true}>
<Model objPath={objPath} mtlPath={mtlPath} scale={scale} />
<Model objPath={paths.obj} mtlPath={paths.mtl} scale={scale} />
</Stage>
<Environment preset="city" />
<ContactShadows position={[0, -0.8, 0]} opacity={0.4} scale={10} blur={2} far={0.8} />

View File

@@ -131,14 +131,23 @@ const Home = () => {
justifyContent: 'center',
alignItems: 'center',
color: '#444',
borderBottom: '1px solid rgba(255,255,255,0.05)'
borderBottom: '1px solid rgba(255,255,255,0.05)',
overflow: 'hidden'
}}>
<motion.div
animate={{ y: [0, -10, 0] }}
transition={{ repeat: Infinity, duration: 3, ease: "easeInOut" }}
>
<RocketOutlined style={{ fontSize: 60, color: '#00b96b' }} />
</motion.div>
{product.static_image_url ? (
<img
src={product.static_image_url}
alt={product.name}
style={{ width: '100%', height: '100%', objectFit: 'cover' }}
/>
) : (
<motion.div
animate={{ y: [0, -10, 0] }}
transition={{ repeat: Infinity, duration: 3, ease: "easeInOut" }}
>
<RocketOutlined style={{ fontSize: 60, color: '#00b96b' }} />
</motion.div>
)}
</div>
}
onClick={() => navigate(`/product/${product.id}`)}

View File

@@ -64,6 +64,17 @@ const ProductDetail = () => {
const getModelPaths = (p) => {
if (!p) return null;
// 优先使用后台配置的 3D 模型 URL
if (p.model_3d_url) {
return { obj: p.model_3d_url };
}
// 如果有静态图,且没有特定的 3D 模型 URL则优先显示静态图不进入下方的通用 3D 模板匹配
if (p.static_image_url) {
return null;
}
const text = (p.name + p.description).toLowerCase();
if (text.includes('mini')) {
@@ -117,6 +128,8 @@ const ProductDetail = () => {
}}>
{modelPaths ? (
<ModelViewer objPath={modelPaths.obj} mtlPath={modelPaths.mtl} />
) : product.static_image_url ? (
<img src={product.static_image_url} alt={product.name} style={{ maxWidth: '100%', maxHeight: '100%', objectFit: 'contain' }} />
) : (
<ThunderboltOutlined style={{ fontSize: 120, color: '#00b96b' }} />
)}