Question

关于JAVA学生成绩管理系统问题

现在需要在一个显示TABLE的界面 在查询窗口输入对应的学号，刷星JTable，出现对应的数据。我现在弄纠结啊。不知道怎么刷新。我弄了一下 报错
已生成用于更新的 ResultSet。
at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDriverError(Unknown Source)
at com.microsoft.sqlserver.jdbc.SQLServerStatement.doExecuteStatement(Unknown Source)
at com.microsoft.sqlserver.jdbc.SQLServerStatement$StmtExecCmd.doExecute(Unknown Source)
at com.microsoft.sqlserver.jdbc.TDSCommand.execute(Unknown Source)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.executeCommand(Unknown Source)
at com.microsoft.sqlserver.jdbc.SQLServerStatement.executeCommand(Unknown Source)
at com.microsoft.sqlserver.jdbc.SQLServerStatement.executeStatement(Unknown Source)
at com.microsoft.sqlserver.jdbc.SQLServerStatement.executeUpdate(Unknown Source)
at com.ccniit.model.Tea.Teacher.TeaTeaDAO.findStu(TeaTeaDAO.java:57)
at com.ccniit.model.Tea.Teacher.TeaTeaTableModel.findRow(TeaTeaTableModel.java:74)
at com.ccniit.view.TeaFram.teacher.TeTeaFrame.findTeacher(TeTeaFrame.java:95)
at com.ccniit.view.TeaFram.teacher.TeTeaFrame$1.actionPerformed(TeTeaFrame.java:72)
at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
at java.awt.Component.processMouseEvent(Unknown Source)
at javax.swing.JComponent.processMouseEvent(Unknown Source)
at java.awt.Component.processEvent(Unknown Source)
at java.awt.Container.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Window.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)

Answer 1

你先确定是否能连上数据库,如果能够连上的话再检查能不能取到数据,能取到的话再看能不能输出到界面,你得确定是哪个环节出问题了才能去处理, Debug一下试试 如果你不明白这个流程的话应该先把这个弄懂,呵呵.

追问

228491282QQ 加我可以不。。。我快疯了。，。
做项目。。。想了一上午了这个。。

Answer 2

是不是一个文本框 一个按钮 还有一个表格的形式？？？如果是你就用按钮的事件啊 获取文本框输入 去后台或许数据 然后用表格的MODEL 先remove以前的 再 add才查询出来的

追问

好迷茫啊。。。

追答

额。。。

public JButton getButton() {
if (button == null) {
button = new JButton();
button.setText("查询");
button.addActionListener(new ActionListener(){
public void actionPerformed(java.awt.event.ActionEvent e) {
for (int i = getModel().getRowCount(); i > 0; i--) {
getModel().removeRow(i - 1);
}
Vector v = CreateDataForSV.getSvbyDate(getSecletDate());

for (int i = 0; i < v.size(); i++) {
Vector vec=(Vector)v.get(i);
vec.add(0, i+1);
model.addRow(vec);

}
}

});
}
return button;
}

Answer 3

依靠Baiduhi联系
有时间能处理你的题目
我们可以根据本要求提供一份相当于学生水平的源代码

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Answer 4

是你使用JDBC出错了

Answer 5

CS项目呀？