【正文】 ................. 6 MVC 三層模塊結(jié)構(gòu) ................................................................................................. 7 view 層 .......................................................................................................... 7 control 層 ...................................................................................................... 8 model 層 ....................................................................................................... 8 第 3 章 功能 需求 分析 ......................................................................................................... 9 總體需求概述 ......................................................................................................... 9 詳細功能需求介紹 ................................................................................................... 9 登錄模塊 ...................................................................................................... 9 驗證模塊 .................................................................................................... 10 在線查找模塊 ............................................................................................. 10 聊天模塊 .................................................................................................... 11 MySQL 與 JSP、 Java 的連接 ............................................................................... 12 第 4 章 后臺 數(shù) 據(jù) 庫的 設(shè) 計 ............................................................................................... 14 數(shù)據(jù)庫表的設(shè)計 .................................................................................................... 14 users表 ........................................................................................................ 15 records 表 ..................................................................................................... 15 online 表 ...................................................................................................... 15 武漢工程大學(xué)郵電與信息工程學(xué)院畢業(yè)設(shè)計（論文） 數(shù)據(jù)庫層 .................................................................................................... 16 模型層 ........................................................................................................ 17 第 5 章 系統(tǒng) 詳細實 現(xiàn) ....................................................................................................... 19 流程示意圖 ........................................................................................................... 19 各個模塊的實現(xiàn) .................................................................................................... 19 登錄頁面 .................................................................................................... 20 聊天頁面 .................................................................................................... 21 查看在線用戶 ............................................................................................. 23 服務(wù)器端的顯示 .......................................................................................... 25 結(jié) 論 .................................................................................................................................... 26 致謝 ...................................................................................................................................... 27 參考文獻 .............................................................................................................................. 28 武漢工程大學(xué)郵電與信息工程學(xué)院畢業(yè)設(shè)計（論文） 1 第 1 章 緒論 即時通訊軟 件，幾乎是每一個上網(wǎng)用戶都必備的聯(lián)絡(luò)工具。 關(guān)鍵詞： B/S； JSP； IM；即時通訊 武漢工程大學(xué)郵電與信息工程學(xué)院畢業(yè)設(shè)計（論文） Abstract Instant Messaging is now Instant munication on the Inter the most popular method of munication, and all kinds of Instant Messaging software also emerge in endlessly。本即時通訊軟件系統(tǒng)共由四個模塊組成：登錄模塊，驗證模塊，在線查找模塊和聊天模塊。 作者專業(yè)： 網(wǎng)絡(luò)工程 作者學(xué)號： 0845060107 作者簽名： ____年 ___月 ___日 武漢工程大學(xué)郵電與信息工程學(xué)院畢業(yè)設(shè)計（論文） 摘 要 即時通訊 Instant Messaging 是目前 Inter 上最為流行的通訊方式，而各種各樣的即時通訊軟件也層出不窮；服務(wù)提供商也提供了越來越豐富的通訊服務(wù)功能。與我一同工作的同志對本研究所做的任何貢獻均已在論文中作了明確的說明并表示了謝意。 如 本畢業(yè)設(shè)計（論文）引起的法律結(jié)果完全由本人承擔。隨著互聯(lián)網(wǎng)的發(fā)展，即時通訊的運用將日益廣泛，即時通訊軟件業(yè)方興未艾。登錄模塊實現(xiàn)系統(tǒng)通過驗證用戶名和密碼進行登錄，驗證模塊實現(xiàn)對用戶的校驗和認證。 Service providers also provide more and more rich munication service functions. With the development of the Inter, the use of instant munication will be more widely, instant messaging software is in the ascendant. The system is based on B/S model of instant messaging system, through the IE, the client browser done directly login, data transmission, use JAVA statement development, use Eclipse tools, database with Mysql database management software, through the JDBC connection, convenient munications between the user and making friends. In system design and modeling process, is based on JSP development of the classic MVC three layer development model to development. This instant messaging software system altogether by four modules: login module, validation module, online search module and chat module. Login module implements system through the authentication user name and password to login, vali