添加Streamlit OCR校验工具启动脚本，支持依赖检查与自动安装

run_streamlit_validator.py

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+#!/usr/bin/env python3
+"""
+Streamlit OCR校验工具启动脚本
+"""
+
+import subprocess
+import sys
+import os
+from pathlib import Path
+
+def check_streamlit():
+    """检查Streamlit是否已安装"""
+    try:
+        import streamlit
+        return True
+    except ImportError:
+        return False
+
+def install_dependencies():
+    """安装必要的依赖"""
+    print("📦 安装Streamlit依赖...")
+    
+    dependencies = [
+        "streamlit",
+        "plotly", 
+        "pandas",
+        "pillow",
+        "opencv-python"
+    ]
+    
+    for dep in dependencies:
+        try:
+            print(f"   安装 {dep}...")
+            subprocess.check_call([sys.executable, "-m", "pip", "install", dep], 
+                                stdout=subprocess.DEVNULL, 
+                                stderr=subprocess.DEVNULL)
+            print(f"   ✅ {dep} 安装成功")
+        except subprocess.CalledProcessError:
+            print(f"   ❌ {dep} 安装失败")
+            return False
+    
+    return True
+
+def main():
+    """主函数"""
+    print("🚀 启动Streamlit OCR校验工具")
+    print("=" * 50)
+    
+    # 检查Streamlit
+    if not check_streamlit():
+        print("❌ Streamlit未安装")
+        choice = input("是否自动安装依赖？(y/n): ")
+        if choice.lower() == 'y':
+            if not install_dependencies():
+                print("❌ 依赖安装失败，请手动安装:")
+                print("pip install streamlit plotly pandas pillow opencv-python")
+                return
+        else:
+            print("请手动安装依赖:")
+            print("pip install streamlit plotly pandas pillow opencv-python")
+            return
+    
+    # 检查OCR数据
+    output_dir = Path("output")
+    if not output_dir.exists() or not any(output_dir.rglob("*.json")):
+        print("⚠️  未找到OCR数据文件")
+        print("   请先运行OCR处理生成数据文件")
+        print("   python3 ocr_by_vlm.py sample_data/your_image.png")
+        print("")
+    
+    # 启动Streamlit
+    print("🌐 启动Streamlit应用...")
+    print("   浏览器将自动打开 http://localhost:8501")
+    print("   按 Ctrl+C 停止应用")
+    print("")
+    
+    try:
+        # 启动Streamlit应用
+        subprocess.run([
+            sys.executable, "-m", "streamlit", "run", 
+            "streamlit_ocr_validator.py",
+            "--server.headless", "false",
+            "--server.port", "8501"
+        ])
+    except KeyboardInterrupt:
+        print("\n👋 应用已停止")
+    except FileNotFoundError:
+        print("❌ streamlit_ocr_validator.py 文件不存在")
+    except Exception as e:
+        print(f"❌ 启动失败: {e}")
+
+if __name__ == "__main__":
+    main()