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該代碼為完整代碼,下載即可使用,已成功連接數(shù)據(jù)庫,實現(xiàn)了管理系統(tǒng)的增刪改查等功能,代碼清晰易懂,歡迎查看。

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代碼片段和文件信息

package?manage;

import?java.awt.*;
import?java.awt.event.ActionEvent;
import?java.awt.event.ActionListener;
import?java.sql.Connection;
import?java.sql.PreparedStatement;
import?java.sql.ResultSet;
import?java.sql.SQLException;
import?java.sql.Statement;

import?javax.swing.*;

public?class?Delete?extends?JDialog?implements?ActionListener{
Statement?st1;
JLabel?b1=new?JLabel(“請輸入學(xué)號:“);
JTextField?tf1=new?JTextField(8);
JButton?sure=new?JButton(“按學(xué)號刪除“);
JButton?reset=new?JButton(“重置“);
JButton?cancel=new?JButton(“取消“);
JPanel?p=new?JPanel();
JPanel?p1=new?JPanel();
JTextArea?ta=new?JTextArea(34);
public?Delete(Statement?st2)
{
st1=st2;
setLayout(new?BorderLayout());
p.setLayout(new?FlowLayout());
p.add(b1);
p.add(tf1);
p1.setLayout(new?FlowLayout(3));
p1.add(sure);
p1.add(reset);
p1.add(cancel);
add(pBorderLayout.NORTH);
add(taBorderLayout.CENTER);
add(p1BorderLayout.SOUTH);
add(“Center“new?JScrollPane(ta));
settitle(“刪除“);
setSize(500300);
setLocation(400100);
sure.addActionListener(this);
reset.addActionListener(this);
cancel.addActionListener(this);
}

public?void?actionPerformed(ActionEvent?e)?{
String?id1=tf1.getText();
if(e.getSource()==sure)
{??

try?{
String?s1=“delete?from?student?where?id=‘“+id1+“‘“;
st1.executeUpdate(s1);
}?catch?(SQLException?e1)?{
System.out.println(“刪除錯誤!“);
e1.printStackTrace();
}
}
if(e.getSource()==reset)
{
tf1.setText(null);
}
if(e.getSource()==cancel)
{
dispose();
}
}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????1666??2018-11-29?22:08??manage\Delete.java
?????文件????????2776??2018-11-29?22:08??manage\framework.java
?????文件????????2553??2018-11-29?22:08??manage\Insert.java
?????文件?????????120??2018-11-29?22:12??manage\MainManage.java
?????文件????????3290??2018-12-03?15:00??manage\Select.java
?????文件????????1905??2018-11-29?22:08??manage\Selectall.java
?????文件????????2674??2018-11-29?22:16??manage\Update.java
?????目錄???????????0??2018-12-03?22:23??manage\

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