运用JSP/servlet/JavaBean 技术，实现邮箱的收发，同时实现对邮件的删，查功能，其中加入了ajax实现无刷新显示邮箱各功能的具体内容。-The use of JSP/servlet/JavaBean technology, implementation and delivery of mail, at the same time achieve the deletion of e-mail, search functions, add one of the ajax refres