现版本

demo/index.html

@@ -220,6 +220,11 @@
                 <button onclick="loadCombinedModel()">组合模型</button>
                 <button onclick="openCombineDialog()">自动组合</button>
             </div>
+            <div style="margin-top: 8px;">
+                <input type="text" id="url-input-3d"
+                    style="width:100%;padding:6px 8px;font-size:0.85rem;border:1px solid #ddd;border-radius:4px;font-family:Consolas,Monaco,monospace;outline:none;"
+                    placeholder="输入模型 URL（支持粘贴后切换）" />
+            </div>
             <div class="btn-container" style="margin-top: 8px;">
                 <button onclick="pauseRendering()">暂停渲染</button>
                 <button onclick="resumeRendering()">恢复渲染</button>
@@ -290,7 +295,8 @@
         <div
             style="background:#fff; border-radius:10px; padding:24px; width:560px; max-width:90vw; box-shadow:0 8px 32px rgba(0,0,0,.18);">
             <h3 style="margin:0 0 12px; font-size:1.1rem; color:#333;">跳转到构件视角</h3>
-            <p style="margin:0 0 10px; font-size:.85rem; color:#888;">请输入相机配置 JSON（参考格式：modelJson.cameraRestorePose）：</p>
+            <p style="margin:0 0 10px; font-size:.85rem; color:#888;">请输入相机配置 JSON（参考格式：modelJson.cameraRestorePose）：
+            </p>
             <textarea id="jump-camera-json" rows="12"
                 style="width:100%; padding:10px; font-size:.85rem; border:1px solid #ddd; border-radius:6px; resize:vertical; font-family:monospace;"
                 placeholder='{
@@ -302,7 +308,8 @@
             <div style="margin-top:10px; font-size:.8rem; color:#666;">
                 <details>
                     <summary style="cursor:pointer; color:#0078d4;">查看完整示例格式</summary>
-                    <pre style="margin-top:8px; padding:10px; background:#f5f5f5; border-radius:4px; overflow-x:auto; font-size:.75rem;">{
+                    <pre
+                        style="margin-top:8px; padding:10px; background:#f5f5f5; border-radius:4px; overflow-x:auto; font-size:.75rem;">{
   "type": "orthographic",
   "position": {"x": 229.68, "y": 247.98, "z": 233.79},
   "rotation": {"x": -0.79, "y": 0.62, "z": 0.52},
@@ -332,6 +339,9 @@
         let unsubscribePresetSaved = null;
         let unsubscribePresetChanged = null;
         let unsubscribePresetDeleted = null;
+        const DEFAULT_3D_MODEL_URL = 'https://lyz-1259524260.cos.ap-guangzhou.myqcloud.com/iflow/models/417664a3-76c8-4d94-9344-1337246a5d4e/';
+        //const DEFAULT_3D_MODEL_URL = 'https://pub-8092fd0db2e14822a9f742ad0050750c.r2.dev/66ad9a66-5ca8-47ac-9139-6aa8756069c1/';
+        let current3dModelUrl = DEFAULT_3D_MODEL_URL;
 
         const PRESET_CACHE_KEY = 'iflow-demo-setting-presets-v1';
 
@@ -450,6 +460,10 @@
         window.onload = () => {
             if (window.IflowEngine) {
                 try {
+                    const modelInput = document.getElementById('url-input-3d');
+                    if (modelInput) {
+                        modelInput.value = current3dModelUrl;
+                    }
                     initEngine3D();
                 } catch (err) {
                     console.error('Init failed:', err);
@@ -624,8 +638,15 @@
                 alert('请先初始化 3D 引擎！');
                 return;
             }
+
+            const urlInput = document.getElementById('url-input-3d');
+            const inputValue = urlInput && urlInput.value ? urlInput.value.trim() : '';
+            if (inputValue) {
+                current3dModelUrl = inputValue;
+            }
+
+            const modelUrl = current3dModelUrl;
             try {
-                var modelUrl = 'https://lyz-1259524260.cos.ap-guangzhou.myqcloud.com/iflow/models/417664a3-76c8-4d94-9344-1337246a5d4e/';
                 engine.engine.loadModel([modelUrl], {
                     position: [0, 0, 0],
                     rotation: [0, 0, 0],
@@ -682,15 +703,22 @@
                 alert('请先初始化 3D 引擎！');
                 return;
             }
-            var newUrl = prompt('请输入新的模型 URL:', 'https://lyz-1259524260.cos.ap-guangzhou.myqcloud.com/iflow/models/8634e556-a94e-4ba7-be3e-2ea1507cced5/');
-            if (!newUrl || newUrl.trim() === '') return;
+
+            var urlInput = document.getElementById('url-input-3d');
+            var newUrl = urlInput && urlInput.value ? urlInput.value.trim() : '';
+            if (!newUrl) {
+                alert('请输入模型 URL');
+                return;
+            }
+
+            current3dModelUrl = newUrl;
             try {
-                engine.engine.loadModel([newUrl.trim()], {
+                engine.engine.loadModel([current3dModelUrl], {
                     position: [0, 0, 0],
                     rotation: [0, 0, 0],
                     scale: [1, 1, 1]
                 });
-                console.log('✅ 切换模型请求已发送:', newUrl);
+                console.log('✅ 切换模型请求已发送:', current3dModelUrl);
             } catch (error) {
                 console.error('❌ 切换模型错误:', error);
             }
@@ -1100,4 +1128,4 @@
     </script>
 </body>
 
-</html>
+</html>