【正文】 .................................................................. ii 1 緒 論 ............................................................................................................................. 1 項(xiàng)目背景 .................................................................................................................. 1 國(guó)內(nèi)外研究現(xiàn)狀 ...................................................................................................... 1 預(yù)期目標(biāo)和經(jīng)濟(jì)效益 .............................................................................................. 2 本文的主要工作 ...................................................................................................... 3 2 開(kāi)發(fā)工具簡(jiǎn)介 ..................................................................................................................... 4 Java 語(yǔ)言 .................................................................................................................. 4 Sql Server 數(shù)據(jù)庫(kù) .................................................................................................... 4 Jdbc 簡(jiǎn)介 .................................................................................................................. 5 Eclipse 介紹 ............................................................................................................. 5 C/S 結(jié)構(gòu) ................................................................................................................... 6 3 文件傳輸與聊天系統(tǒng)的設(shè)計(jì) ............................................................................................. 8 需求分析 .................................................................................................................. 8 功能需求 ....................................................................................................... 8 通訊模型的特點(diǎn) ......................................................................................... 10 可行性分析 ............................................................................................................ 10 功能設(shè)計(jì) 及流程設(shè)計(jì) ............................................................................................ 11 功能設(shè)計(jì) ..................................................................................................... 11 框架設(shè)計(jì) ..................................................................................................... 14 拓?fù)浣Y(jié)構(gòu) ..................................................................................................... 15 設(shè)計(jì)原則 及一般要求 ................................................................................. 16 系統(tǒng)設(shè)計(jì) ................................................................................................................ 16 模塊設(shè)計(jì) ..................................................................................................... 16 文件傳輸與聊天系統(tǒng)關(guān)系型數(shù)據(jù)庫(kù)的實(shí)現(xiàn) ............................................. 17 4 文件傳輸與聊天系統(tǒng)的實(shí)現(xiàn) ........................................................................................... 20 注冊(cè)模塊 ................................................................................................................ 20 登錄模塊 ................................................................................................................ 22 添加好友模塊 ........................................................................................................ 24 修改密碼模塊 ........................................................................................................ 26 文字聊天模塊 ........................................................................................................ 27 發(fā)送文件模塊 ........................................................................................................ 28 5 系統(tǒng)測(cè)試 ........................................................................................................................... 32 測(cè)試方案 ................................................................................................................ 32 測(cè)試結(jié)果 ................................................................................................................ 33 結(jié) 論 ................................................................................................................................. 38 參考文獻(xiàn) ................................................................................................................................. 39 致 謝 ................................................................................................................................. 40 外文原文 ................................................................................................................................. 41 中文翻譯 ................................................................................................................................. 48 1 1 緒 論 聊天軟件的出現(xiàn)正在逐漸改變?nèi)藗兊臏贤ㄅc交際方式。s online life more colorful. Today the most widely used instant messaging tools, such as Tencent39。 關(guān)鍵詞 即時(shí)通訊系統(tǒng) ；文字聊天；文件傳輸； C/S 結(jié)構(gòu) ii The design of file transfer and chat system Abstract Instant messaging system is the most mon puter users a way to municate, a variety of chat software are endless。該畢業(yè)設(shè)計(jì)就是模擬 聊天軟件，開(kāi)發(fā)一個(gè)包括用戶注冊(cè)、用戶登錄、文字聊天、文件傳輸、添加好友及用戶修改密碼等功能的聊天軟件。文件傳輸與聊天系統(tǒng)設(shè)計(jì) 摘 要 文件傳輸與聊天系統(tǒng)也就是即時(shí)通訊系統(tǒng) 是目前計(jì)算機(jī)用戶進(jìn)行交流最普遍的方式，各種各樣的聊天軟件也層出不窮；服務(wù)提供商也提供了越來(lái)越豐富的通訊服務(wù)功能。 該設(shè)計(jì)的開(kāi)發(fā)采用 C/S 結(jié)構(gòu)，在基于 Java 開(kāi)發(fā)環(huán)境下，使用 Java 編程語(yǔ)言進(jìn)行開(kāi)發(fā)。 service providers also provide a more rich munication services. China39。s chat software. The graduation project is to simulate the chat software, including the development of a user registration, user login, text chat, file transfer, add a friend change the password and user features such as chat software. This design has been developed using C / S structure, Javabased development environment, using Java