目录毕业设计概述........................................................................................................1一、任务分析及思路............................................................................................21.1需求分析.................................................................................................21.2设计思路................................................................................................31.3主要技术................................................................................................41.3.1JSP技术.....................................................................................41.3.2JavaBean技术...........................................................................51.3.3Mysql5.7数据库.......................................................................5二、设计实施及成果..........................................................................................62.1系统设计.................................................................................................62.1.1概要设计....................................................................................62.1.2数据库设计................................................................................72.2系统实现...............................................................................................112.2.1登录管理的实现......................................................................112.2.2草稿箱管理的实现..................................................................132.2.3账户设置管理的实现..............................................................142.2.4通讯录管理的实现..................................................................172.2.5邮件收发管理的实现..............................................................212.3系统测试...............................................................................................252.3.1系统功能测试...........................................................................252.3.2测试结论..............................................................................