该用户管理程序是一个对数据库操作的综合性的例子，包括查询、更新、增加、删除等，客户端的控制用Javascr ipt，具有很高的实用性和参考价值。-the user management procedures in the database is a comprehensive operation of examples, including inquiries, update, delete, the client using Javascr ipt control, with the practicality and high reference value.