save code

change3/service3.py

@@ -36,6 +36,7 @@ NODE_MODEL = "11"   # 模特
 NODE_SHIRT = "10"   # 上衣
 NODE_PANTS = "4"    # 裤子
 NODE_OUTPUT = "33"  # 输出
+NODE_PROMPT = "31"  # 文本提示（PrimitiveStringMultiline）
 
 app = FastAPI(title="ComfyUI 换装服务")
 
@@ -73,6 +74,7 @@ class TryOnRequest(BaseModel):
     model_image: str   # base64 模特图片
     shirt_image: str   # base64 上衣图片
     pants_image: str   # base64 裤子图片
+    change_desc: str = ""  # 换装/编辑描述，可空；非空时替换节点 31 的 inputs
 
 
 class TryOnResponse(BaseModel):
@@ -146,6 +148,10 @@ async def try_on(req: TryOnRequest):
     # 加载工作流模板
     workflow = json.loads(WORKFLOW_PATH.read_text(encoding="utf-8"))
 
+    desc = (req.change_desc or "").strip()
+    if desc:
+        workflow[NODE_PROMPT]["inputs"] = {"value": desc}
+
     async with httpx.AsyncClient(timeout=60.0) as client:
         # 解码三张图片
         try:

change3/static/index.html

@@ -196,6 +196,49 @@
       background: #7c3aed22;
     }
 
+    .prompt-panel {
+      width: 100%;
+      max-width: 900px;
+      margin-bottom: 24px;
+      background: #1a1a24;
+      border-radius: 16px;
+      padding: 20px;
+      border: 1px solid #2a2a3a;
+    }
+    .prompt-panel .prompt-title {
+      font-size: 0.85rem;
+      font-weight: 600;
+      color: #a78bfa;
+      margin-bottom: 12px;
+    }
+    .radio-row {
+      display: flex;
+      align-items: flex-start;
+      gap: 10px;
+      margin-bottom: 10px;
+      cursor: pointer;
+      font-size: 0.9rem;
+      color: #ccc;
+    }
+    .radio-row input { margin-top: 3px; accent-color: #7c3aed; flex-shrink: 0; }
+    .change-desc-input {
+      width: 100%;
+      margin-top: 4px;
+      padding: 12px;
+      border-radius: 10px;
+      border: 1px solid #333;
+      background: #12121a;
+      color: #e0e0e0;
+      font-family: inherit;
+      font-size: 0.88rem;
+      resize: vertical;
+      min-height: 88px;
+    }
+    .change-desc-input:disabled {
+      opacity: 0.45;
+      cursor: not-allowed;
+    }
+
     @media (max-width: 640px) {
       .upload-grid { grid-template-columns: 1fr; }
       h1 { font-size: 1.5rem; }
@@ -235,6 +278,19 @@
     </div>
   </div>
 
+  <div class="prompt-panel" id="prompt-panel">
+    <div class="prompt-title">提示词（change_desc）</div>
+    <label class="radio-row">
+      <input type="radio" name="prompt_mode" id="prompt-default" value="default" checked />
+      <span>使用默认（传空，不覆盖工作流节点 31）</span>
+    </label>
+    <label class="radio-row">
+      <input type="radio" name="prompt_mode" id="prompt-custom" value="custom" />
+      <span>自定义提示词</span>
+    </label>
+    <textarea id="change-desc" class="change-desc-input" placeholder="输入换装/编辑描述…" rows="4" disabled></textarea>
+  </div>
+
   <button class="btn-run" id="btn-run" disabled>开始换装</button>
   <div class="status-bar" id="status-bar"></div>
 
@@ -271,6 +327,19 @@
     setupUpload('input-shirt', 'preview-shirt', 'card-shirt', 'shirt');
     setupUpload('input-pants', 'preview-pants', 'card-pants', 'pants');
 
+    const promptDefault = document.getElementById('prompt-default');
+    const promptCustom = document.getElementById('prompt-custom');
+    const changeDescEl = document.getElementById('change-desc');
+    function syncPromptUi() {
+      changeDescEl.disabled = !promptCustom.checked;
+    }
+    promptDefault.addEventListener('change', syncPromptUi);
+    promptCustom.addEventListener('change', syncPromptUi);
+
+    function getChangeDesc() {
+      return promptCustom.checked ? changeDescEl.value.trim() : '';
+    }
+
     function updateRunButton() {
       const btn = document.getElementById('btn-run');
       btn.disabled = !(images.model && images.shirt && images.pants);
@@ -309,6 +378,7 @@
             model_image: images.model,
             shirt_image: images.shirt,
             pants_image: images.pants,
+            change_desc: getChangeDesc(),
           }),
         });