Teacher information management system, implementation of teacher information to add, modify, query, and delete,
Requirements:
Two entities, the entity in the package to build the Teacher class and User class,
Note: (1) the entity class name and the name of the table corresponding to the class of private property and table fields; (2) entity class private property,

2, two tables, the user table and the teacher table,
3, the design is four pages, respectively is the login page, system management teachers information query (delete) page, teachers information adding pages and modify information page,
(1) the login page (login. JSP)
(2) the teachers' information query page (queryTeacher. JSP)
(3) teachers information add pages (insertTeacher. JSP)