有谁知道如何将复选框值插入sql?所有复选框值将对应于字段的一列(首选项),并在单击过程按钮时插入。 编码如下:
User.java
JButton btnNewButton = new JButton("Process");
btnNewButton.setBounds(360, 296, 89, 23);
contentPane.add(btnNewButton);
btnNewButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
String place=null;
String a=(String)comboBox.getSelectedItem().toString();
String b=(String)comboBox_1.getSelectedItem().toString();
String day=(String)comboBox_2.getSelectedItem().toString();
if(chckbxLei.isSelected())
{
place=String.valueOf(chckbxLei.getText());
}
if(chckbxAdv.isSelected())
{
place=String.valueOf(chckbxAdv.getText());
}
if(chckbxHis.isSelected())
{
place=String.valueOf(chckbxHis.getText());
}
if(chckbxOut.isSelected())
{
place=String.valueOf(chckbxOut.getText());
}
if(chckbxFAK.isSelected())
{
place=String.valueOf(chckbxFAK.getText());
}
Case ca= new Case();
try {
ca.addPlace(a,b,day,place);
LoginGUI um= new LoginGUI();
um.setVisible(true);
} catch (Exception e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}
});
Case.java
public void addPlace( String t, String k, String z,String h) throws Exception{
DatabaseConnection db=new DatabaseConnection();
Connection connect=db.getConnection();
String sql="Insert into menu(Type,Budget,Day,Preferences)VALUES (?,?,?,?)";
PreparedStatement ps=connect.prepareStatement(sql);
ps.setString(1,t);
ps.setString(2,k);
ps.setString(3,z);
ps.setString(4,h);
ps.executeUpdate();
connect.close();
ps.close();
}
一切正常工作实际上我需要一些关于如何在MySQL DB中的单个列中存储多个复选框值的指导。我真的需要认真帮助。非常感谢您的帮助:)
答案 0 :(得分:2)
用这种方式解决了:)
String valuesOfCheckBox = "";
if (chckbxLei.isSelected()) {
valuesOfCheckBox += chckbxLei.getText() + " ";
}
if (chckbxAdv.isSelected()) {
valuesOfCheckBox += chckbxAdv.getText() + " ";
}