📄 addwin.java
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import java.awt.*;
import java.awt.event.*;
import java.sql.*;
import javax.swing.*;
public class AddWin extends JFrame implements ActionListener {
JTextField 添加汉语解释_文本条,添加英语单词_文本条;
JButton addbtn,cancelbtn;
Label l1,l2;
Connection Con=null;
Statement Stmt=null;
public AddWin()
{
super(" 添加单词 ");
this.setBounds(380,370,300,130);
this.setVisible(true);
JPanel p1=new JPanel();
l1=new Label("单词:");
l1.setBackground(new Color(240,248,255));
p1.add(l1);
添加英语单词_文本条=new JTextField(18);
添加英语单词_文本条.setBackground(new Color( 248,248,255));
p1.add(添加英语单词_文本条);
l2=new Label("解释:");
l2.setBackground(new Color(240,248,255));
p1.add(l2);
添加汉语解释_文本条=new JTextField(18);
添加汉语解释_文本条.setBackground(new Color( 248,248,255));
p1.add(添加汉语解释_文本条);
addbtn = new JButton("提交");
cancelbtn = new JButton("取消");
p1.add(addbtn); p1.add(cancelbtn);
this.add(p1);
addbtn.addActionListener(this);
cancelbtn.addActionListener(this);
p1.setBackground(new Color(240,248,255));
this.validate();
}
public void actionPerformed(ActionEvent e)
{
if(e.getSource()==addbtn)
{
if(添加英语单词_文本条.getText().equals("")||添加汉语解释_文本条.getText().equals(""))
{
JOptionPane.showMessageDialog(this,"添加的单词或解释不能为空!","警告",
JOptionPane.WARNING_MESSAGE);
}
// 判断输入框不能为空
else{
try{
添加();
}
catch(SQLException ee){}
}
}
else if(e.getSource()==cancelbtn)
{
dispose();
}
}
public void 添加() throws SQLException //实现添加功能
{
String cname,ename;
String conURL="jdbc:odbc:test2";
try
{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
}
catch(ClassNotFoundException e){}
Con = DriverManager.getConnection(conURL);
Stmt=Con.createStatement();
ResultSet rs=Stmt.executeQuery("SELECT * FROM 表1");
boolean boo=false;
while((boo=rs.next())==true)
{
ename=rs.getString("单词");
cname=rs.getString("解释");
if(ename.equals(添加英语单词_文本条.getText()))
{
JOptionPane.showMessageDialog(this,"此词汇已存在!","警告",
JOptionPane.WARNING_MESSAGE);
break;
}
}
if(boo==false)
{
String s1="'"+添加英语单词_文本条.getText().trim()+"'",s2="'"+添加汉语解释_文本条.getText().trim()+"'";
String temp="INSERT INTO 表1 VALUES ("+s1+","+s2+")";
Stmt.executeUpdate(temp);
JOptionPane.showMessageDialog(this,"添加成功!","恭喜",JOptionPane.WARNING_MESSAGE);
dispose();
}
Con.close();
}
}
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