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  • 大小: 231KB
    文件類型: .rar
    金幣: 2
    下載: 1 次
    發布日期: 2021-05-18
  • 語言: Java
  • 標簽:

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java+sql學生成績管理系統(有文檔).rar

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代碼片段和文件信息

//package?myprojects.main;
import?java.sql.*;?
import?javax.swing.*;?
import?java.awt.*;?
import?java.awt.event.*;?
import?java.util.*;?

public?class?Inquest?extends?JDialog?
{
private?Connection?queryconnection;?
??? private?Statement?querystatement;?
??? private?ResultSet?queryresultSet;?
??? private?ResultSetmetaData?rsmetaData;
??
????//GUI變量定義
private?Jframe?parent;?
private?JPanel?labelPanel?tablePanel;//定義兩塊面板對象
//labelPanel用來放標簽,fieldsPanel用來放文本區
private?String?labels;
private?JTable?commoditytable;?
private?JButton?submitQuery;?????
private?JButton?cancelQuery;?????
????????????JTextField?文字輸入欄;
String?窗口標題query;

public?Inquest(int?select)?
????{??submitQuery?=?new?JButton(?“查??詢“?);
????/*----------------------------select=1為查詢已經選上的課程---------------------------*/
????????if(select==1)
????????{
???????? labels=new?String(“請輸入課程號“);
???????? 窗口標題=?new?String(“已選課程查詢窗口“);
???????? query?=new?String(“SELECT?成績表.課程號課程名學時學分學期教師分數?FROM?課程信息表成績表?WHERE?課程信息表.課程號=成績表.課程號“);
???????? query?=?query+“?AND?學號=‘“+Loginframe.userNameTextField.getText()+“‘“;
????????}
???/*----------------------------select=2為選課申請---------------------------*/
????????else?if(select==2)
????????{
???????? labels=new?String(“請輸入課程號“);
???????? 窗口標題=?new?String(“選課申請窗口“);
???????? submitQuery.setText(“申請“);
???????? query?=new?String(“SELECT?*?FROM?課程信息表“);
??????? }
??/*----------------------------select=3成績查詢---------------------------*/
????????else?if(select==3)
????????{
???????? labels=new?String(“請輸入課程號“);
???????? 窗口標題=?new?String(“成績查詢窗口“);
???????? query?=new?String(“SELECT?成績表.課程號課程名學分學期教師分數??FROM?成績表課程信息表?WHERE?成績表.課程號=課程信息表.課程號“);
???????? query=query+“?AND?學號=‘“+Loginframe.userNameTextField.getText()+“‘“;
????????}
??/*----------------------------select=4選課名單(教師查詢)---------------------------*/
????????else?if(select==4)
????????{
???????? labels=new?String(“請輸入課程號“);
???????? 窗口標題=?new?String(“選課名單查詢窗口“);
???????? query?=new?String(“SELECT?成績表.學號姓名成績表.課程號課程名??“
???????? ?????+“?FROM?學生基本信息表成績表課程信息表教師表?“
???????? ?????+“?WHERE?成績表.學號=學生基本信息表.學號?“
???????? ?????+“?AND??成績表.課程號=課程信息表.課程號?“);
???????? query=query+“?AND?登陸帳號=‘“+Loginframe.userNameTextField.getText()
???????? ?????+“‘?AND?課程信息表.教師=教師表.教師?“;
????????}
??/*-----------------------------------------------------------------------*/
????????pack();
????????submitQuery.setPreferredSize(new?Dimension(120?25));
????????submitQuery.addActionListener(new?ActionLis(select));
????????cancelQuery?=?new?JButton(?“返??回“?);
????????cancelQuery.setPreferredSize(new?Dimension(120?25));
???? cancelQuery.addActionListener(?
?????????new?ActionListener()?
?????????{?
????????????public?void?actionPerformed(?ActionEvent?e?)?
????????????{?
??????????????? setVisible(false);
??????????????? dispose();
????????????}?
?????????}???
????????);?
????????
????????Box?box?=?Box.createHorizontalBox();
????????文字輸

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1945??2005-10-18?00:51??readme.txt

?????文件???????1051??2004-12-24?22:36??SQL生成數據表.txt

?????文件????????516??2005-01-21?23:21??classes\InquestCourse$1.class

?????文件????????555??2005-01-21?23:21??classes\InquestCourse$2.class

?????文件???????5731??2005-01-21?23:21??classes\InquestCourse.class

?????文件?????????74??2005-01-21?23:46??classes\readme.txt

?????文件?????????10??2005-01-21?23:46??classes\Run.bat

?????文件????????468??2005-05-13?21:55??classes\Loginframe$1.class

?????文件????????705??2005-05-13?21:55??classes\Loginframe$2.class

?????文件????????953??2005-05-13?21:55??classes\Loginframe$3.class

?????文件????????542??2005-05-13?21:55??classes\Loginframe$4.class

?????文件????????491??2005-05-13?21:55??classes\Loginframe$5.class

?????文件???????6297??2005-05-13?21:55??classes\Loginframe.class

?????文件????????339??2005-05-13?21:55??classes\Main.class

?????文件????????476??2005-05-13?21:55??classes\Managerframe$1.class

?????文件???????8200??2005-05-13?21:55??classes\Managerframe.class

?????文件???????5157??2005-05-13?21:55??classes\ModifyPassword.class

?????文件???????6582??2005-05-13?21:55??classes\Stat.class

?????文件???????7350??2005-05-13?21:55??classes\Student.class

?????文件????????476??2005-05-13?21:55??classes\Studentframe$1.class

?????文件???????4791??2005-05-13?21:55??classes\Studentframe.class

?????文件????????476??2005-05-13?21:55??classes\Teacherframe$1.class

?????文件???????4939??2005-05-13?21:55??classes\Teacherframe.class

?????文件????????515??2005-05-13?21:55??classes\Inquest$1.class

?????文件???????1908??2005-05-13?21:55??classes\Inquest$ActionLis.class

?????文件???????7672??2005-05-13?21:55??classes\Inquest.class

?????文件??????17599??2005-05-13?21:55??classes\Insert.class

?????目錄??????????0??2005-01-21?23:44??classes

?????文件????1048576??2005-01-21?23:03??DATA\學生選課管理系統_Data.MDF

?????文件????1048576??2005-01-21?23:03??DATA\學生選課管理系統_Log.LDF

............此處省略16個文件信息

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