本内容遵循CC 4.0 BY-SA版权协议 SQLite 数据库同一时间只允许一个写操作，当多个进程 / 线程同时尝试读写时，会导致数据库锁定。常见原因： 数据库操作返回的 Promise 被拒绝（如锁定错误），但没有用 try/catch 或 .catch() 处理，导致应用崩溃。 对所有数据库操作 ...

本内容遵循CC 4.0 BY-SA版权协议 简介：本资源是一套完整的Java Web技术栈毕业设计项目，面向计算机专业本科生及Java初学者，解决高校学生选课业务场景下的系统开发实践需求。压缩包共205个文件，7.23MB，涵盖57个核心Java业务逻辑类、36个JSP前端页面、11个SQL数据 ...

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