摇奖机,很好玩,大家可以拿去测试一下,希望能喜欢

一个手工编写的purejava学生成绩管理系统(运用Access数据库)，提供了强大的学生成绩管理管理功能，方便管理员对学生成绩等信息的添加.修改.删除.查询.汇总.统计等操作。内含详细的设计说明文档。-A hand-written score students purejava management system (using Access database) to provide students with a powerful management grade management functions for administrators and other information on the score of the students added. Modification. Delete. Query. Summary. Statistics operation. Includes detailed design documentation.

窗口上的文本行显示当前文件的路径，文本区用于编辑文件，3个按钮 [打开]，[保存…],[另存为…]。 单击[打开]按钮时，弹出打开文件对话框，将选择的文件显示在文本区中。 单击[保存…]按钮时，如果当前文件为空，则弹出保存文件对话框，并按设置的文件名保存文件；如果已有文件，则按设置的文件名保存文件。 单击[另存为…]按钮时，则弹出保存文件对话框，并按设置的文件名保存文件。 程序中以字符文件输出流FileWriter的writer方法写入文本区内容，以字符缓冲输入流BufferedReader的readLine()方法按行读取文本文件。 -window on the text line shows the path the current document, the text area for editing documents, three buttons [open] [preservation] [Save as ...]. Click [Open] button, pop open file dialog box, select the document in the text area. Click [preservation] button, if the current document is empty, save dialog pop up, together with a set of documents were preserved; If the document has been, according to the paper were set up to preserve documents. Click [Save as ...] button, the pop-up dialog box to preserve documents, together with a set of documents were preserved documents. Character procedures to document the output stream FileWriter way into the text writer District, characters in the input stream buffer

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java数据库操作，用java作为前台工具，与access数据库建立联系，进行数据库操作。-java database operations, using java as a front tool to establish contact with the access database, carry out database operations.