feat: 确保pdf下载完整

apps/resm/d_oaurl.py

@@ -45,7 +45,12 @@ async def download_from_url_playwright(url: str, save_path: str) -> tuple[bool,
             async def on_response(response):
                 nonlocal pdf_content
                 if "application/pdf" in response.headers.get("content-type", ""):
-                    pdf_content = await response.body()
+                    try:
+                        # 确保完全读取响应体
+                        pdf_content = await response.body()
+                        print(f"✓ 成功捕获 PDF，大小: {len(pdf_content)} bytes")
+                    except Exception as e:
+                        print(f"⚠ 读取 PDF 响应体失败: {e}")
 
             page.on("response", on_response)
             
@@ -92,16 +97,26 @@ async def download_from_url_playwright(url: str, save_path: str) -> tuple[bool,
             if not pdf_content:
                 print("等待 PDF 响应...")
                 try:
-                    await page.wait_for_response(
+                    response = await page.wait_for_response(
                         lambda response: "application/pdf" in response.headers.get("content-type", ""),
                         timeout=15000
                     )
+                    # 确保响应体完全加载
+                    pdf_content = await response.body()
+                    print(f"✓ 通过 wait_for_response 获取 PDF，大小: {len(pdf_content)} bytes")
                 except Exception as e:
                     print(f"⚠ 等待 PDF 响应超时: {e}")
             
             if pdf_content:
+                # 验证文件大小（PDF 通常大于 10KB）
+                pdf_size = len(pdf_content)
+                if pdf_size < 10240:
+                    await browser.close()
+                    return False, f"PDF 文件过小: {pdf_size} bytes，可能下载不完整"
+                
                 with open(save_path, "wb") as f:
                     f.write(pdf_content)
+                print(f"✓ PDF 已保存到: {save_path}，大小: {pdf_size} bytes")
                 await browser.close()
                 return True, ""
             else: