91av视频/亚洲h视频/操亚洲美女/外国一级黄色毛片 - 国产三级三级三级三级

資源簡介

JAVA學(xué)生成績管理系統(tǒng)(附源碼 畢業(yè)設(shè)計(jì) 課程設(shè)計(jì)) 可直接運(yùn)行。做畢業(yè)設(shè)計(jì)、課程設(shè)計(jì)或者想研究下技術(shù)的可以下載學(xué)習(xí)。需要更多資源的可以關(guān)注我。

資源截圖

代碼片段和文件信息

import?java.awt.*;
import?javax.swing.*;
import?javax.swing.table.*;
import?java.awt.event.*;
import?java.sql.*;

public?class?Scores?{
public?static?void?main(String?[]?args){
new?ScoresWindow(“成績查詢系統(tǒng)“);
}
}

class?ScoresWindow?extends?Jframe{
private?static?final?long?serialVersionUID?=?-6924196421756933199L;
Statement?statement;
Connection?connection;
String?commandString;
ResultSet?resultSet;

JButton?addJButton=new?JButton(“確認(rèn)“);
JTextField?noJTextField=new?JTextField(9);
JTextField?scoresJTextField=new?JTextField(5);
JPanel?inputPanel=new?JPanel(false);

JButton?queryJButton=new?JButton(“查詢“);
JTextField?queryNOJTextField=new?JTextField(9);
JTextArea?queryJTextArea=new?JTextArea();
JPanel?queryJPanel=new?JPanel(false);

JButton?sortJButton=new?JButton(“排序“);
object?clonameobject[]={“學(xué)號““成績“};
Integer?rows=0;
DefaultTableModel?tableModel=new?DefaultTableModel(clonameobjectrows);
JTable?table=new?JTable(tableModel);

JPanel?sortJPanel=new?JPanel(false);

Dimension?dimension=new?Dimension(10025);

public?ScoresWindow(String?titleString)?{
super(titleString);
JTabbedPane?jTabbedPane=new?JTabbedPane();
JComponent?inputPanel=inputJComponent();
JComponent?queryPanel=queryJComponent();
JComponent?sortPanel=sortJComponent();
jTabbedPane.addTab(“輸入成績“?inputPanel);

jTabbedPane.addTab(“查詢成績“?queryPanel);

jTabbedPane.addTab(“成績排序“?sortPanel);

setLayout(new?GridLayout(11));
add(jTabbedPane);
jTabbedPane.setTabLayoutPolicy(JTabbedPane.SCROLL_TAB_LAYOUT);
setBounds(100?100?300?400);
setVisible(true);
validate();

addJButton.addActionListener(new?AddAction());
queryJButton.addActionListener(new?QueryAction());
sortJButton.addActionListener(new?SortAction());

getConnectDatabase();
setDefaultCloseOperation(EXIT_ON_CLOSE);
}

protected?class?AddAction?implements?ActionListener{
public?void?actionPerformed(ActionEvent?e){
String?noString;
try?{
noString=noJTextField.getText(0?9);
commandString=“INSERT?INTO?scores?VALUES(‘“+noString+“‘‘“+scoresJTextField.getText()+“‘)“;
statement=connection.createStatement();
statement.execute(commandString);
statement.closeOnCompletion();
alterJComponent(inputPanel?“添加成功!“);
statement.closeOnCompletion();
}?catch?(Exception?e2)?{
alterJComponent(inputPanel?“學(xué)號為9位!請重新輸入!\n“+e2.toString()+““);
}
}
}

protected?class?QueryAction?implements?ActionListener{
public?void?actionPerformed(ActionEvent?e){
try?{
statement=connection.createStatement();
String?noString=queryNOJTextField.getText(0?9);
commandString=“SELECT?*?FROM?SCORES?WHERE?NUMBER=‘“+noString+“‘“;
resultSet=statement.executeQuery(commandString);
resultSet.first();
queryJTextArea.append(“您查詢的學(xué)號為?“+resultSet.getString(1)+“?的成績?yōu)?“+resultSet.getString(2)+“\n“);
statement.closeOnCompletion();
}?catch?(Exception?e2)?{
alterJComponent(queryJPanel?“學(xué)號為9位!請重新輸入!\n“+e2.toString()+““);
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2012-10-27?15:30??java3-master\
?????文件?????????483??2012-10-27?15:30??java3-master\.gitattributes
?????文件????????1970??2012-10-27?15:30??java3-master\.gitignore
?????目錄???????????0??2012-10-27?15:30??java3-master\src\
?????文件????????6542??2012-10-27?15:30??java3-master\src\Scores.java

評論

共有 條評論