遗留 Visual FoxPro 的使用与复兴兴趣
问题概述
仍有企业依赖 Visual FoxPro 运行关键业务系统,但该平台存在安全漏洞、文件锁定与网络并发问题,且难以在不中断业务的前提下进行现代化改造。
痛点标签
- DBC 设计导致的安全漏洞,允许任意代码执行与文件篡改
- 网络驱动文件锁定导致并发冲突
- 缺乏权限控制,DBF/DBC 文件易被未授权修改
- 迁移到现代数据库或平台时业务中断的高风险
待验证问题
- 这些企业的核心业务流程是否无法被现代平台替代?
- 如果 FoxPro 系统被迫停用,对业务的财务影响估计是多少?
- 将现有 DBF/DBC 迁移到 SQL 数据库的技术可行性如何?
证据
原话 · @Anonymous
Here’s my problem with reviving FoxPro in any form: there’s a huge security hole in the Database Container (DBC) design. For DBCs to be useful, they must be read/write to all users (there is no permissions scheme). DBCs have stored procedures that can run any FoxPro code, including Win32 calls made from the FoxPro runtime. The stored procedures are stored as plain text in a “memo” field. Do you see where this is going? With a little technical knowledge, one can modify that INSERT trigger to whatever you like.
原话 · @Anonymous
I worked with a physician's office in 2006, and the lead physician had cobbled together a system for patient tracking using Visual FoxPro. It was a monstrosity, and using it over a network drive gave all sorts of file locks and issues with multiple people changing the same record (usually the physician and front of house staff when checking the patient out).
原话 · @Anonymous
I know there are still a few niche industry that has an industry standard program written in Visual FoxPro, and I remember as pre COVID 2019 they were still using it. ( Edit: I just called and asked, still using it as of 2026 )Niche but no small business, commodity with over $400M USD annual revenue, the industry together that is easily $2B+.If it is not broke, don't fix it.
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