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f目录
第1章引言1第2章系统分析321需求分析322功能分析3第3章系统设计531概要设计532详细设计设计5321系统界面5322登陆验证功能设计6323文件检索浏览设计12324下载功能设计12325上传功能设计13326进度条显示功能设计1433关键技术简介15331QT介绍15332FTP通信协议17第4章系统实现1941QT工程的编译步骤1942登陆验证功能实现1943下载功能实现2144上传功能实现21第5章系统构建与移植2351建立交叉编译环境23III
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