【正文】 e staff productivity, reduce cost of munication between employees, and has a wider spread value. This paper describes the system based on java background, research status and development trends, describes the development of the language system, environment and tools, and related technologies used in a detailed exposition. According to the software development life cycle, discusses the system analysis, outline design, detailed design and code, system testing process. Specifically discusses the objectoriented design, system design principles, system design and architecture the overall objective of the characteristics.Key Words: Mail System, Java, James Mail Server, Oracle, SSH 東北大學秦皇島分校畢業(yè)設計（論文） 第 1 頁目 錄目 錄 ...........................................................................................................................11 緒論 ...............................................................................................................................3 設計的背景 ..............................................................................................................3 設計的目的 ..............................................................................................................3 發(fā)展現狀 ..................................................................................................................4 研究方法 ..................................................................................................................4 論文構成 ..................................................................................................................4 研究內容 .................................................................................................................52 實現技術及開發(fā)工具 ...................................................................................................6 STRUTS2 簡介 ...........................................................................................................6 SPRING 簡介 ..............................................................................................................7 HIBERNATE 簡介 .......................................................................................................8 MYECLIPSE 簡介 .......................................................................................................9 ORACLE 簡介 ............................................................................................................9 TOMCAT 服務 器簡介 ..............................................................................................10 JAMES 郵件服務器簡介 .........................................................................................11 JQUERY 簡介 ..........................................................................................................12 電子郵件簡介 .......................................................................................................133 系統需求分析 .............................................................................................................15 可行性分析 ...........................................................................................................15 經濟可行性分析 ..............................................................................................15 技術可行性分析 .............................................................................................16 社會因素可行性分析 .....................................................................................16 功能需求分析 .......................................................................................................16 性能需求分析 .......................................................................................................19 數據庫需求分析 ...................................................................................................194 數據庫的設計與實現 .................................................................................................21 數據庫的設計 .......................................................................................................21 概念結構設計 .................................................................................................21 邏輯結構設計 .................................................................................................23 數據庫的實現 .......................................................................................................23 用戶登錄信息表 .............................................................................................23 用戶基本信息表 .............................................................................................24 聯系人分組表 .................................................................................................24 聯系人信息表 .................................................................................................25 東北大學秦皇島分校畢業(yè)設計（論文） 第 2 頁5 系統的設計與實現 .....................................................................................................26 系統設計的目標 ...................................................................................................26 系統設計的思想 ...................................................................................................26 系統模塊設計 .......................................................................................................27 用戶登錄郵件系統的工作流程 .....................................................................28 注冊新用戶信息的工作流程 .........................................................................29 用戶找回密碼信息工作流程 .........................................................................30 用戶添加聯系人信息工作流程 .....................................................................33 用戶發(fā)送電子郵件工作流程 .........................................................................34 用戶查看電子郵件工作流程 .........................................................................35 系統模塊的實現 ...................................................................................................37 用戶登錄郵件系統的實現 .