1 附录 A完整代码ocr_material_trace/├── main.py # 程序入口├── ocr_engine.py # OCR 引擎封装├── database.py # 数据库操作├── image_utils.py # 图像工具├── main_window.py # 主界面├── result_window.py # 结果界面└── requirements.txt # 依赖清单1. requirements.txttextpaddlepaddle==2.5.2paddleocr==2.7.0opencv-python==4.5.5.64numpy==1.23.5PyQt5==5.15.9pandas==1.5.3openpyxl==3.1.2安装命令:bashpip install -r requirements.txt2. ocr_engine.pyimport osimport reimport timefrom datetime i...
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