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我的問題:如何讓用戶執行多個從jtable通過按鈕刪除。該表是
鏈接到我的數據庫。我創建了一個表模型在另一個類並鏈接到我的SalesReceiptTable。 當用戶單擊刪除按鈕時,我可以從數據庫和表中刪除一行。 我應該做循環rowSelected ??多重刪除記錄從jtable通過id鏈接到數據庫
//Button to perform delete
JButton btnDelete = new JButton("Delete");
btnDelete.setFont(new Font("Tahoma", Font.PLAIN, 13));
btnDelete.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
int rowSelected=SalesReceiptTable.getSelectedRow();
if(rowSelected>=0)
{
String id = SalesReceiptTable.getValueAt(rowSelected, 7).toString();
SalesReceipt1 e1=new SalesReceipt1(Integer.parseInt(id));
e1.deleteSalesReceipt();
ArrayList<SalesReceipt1> result= SalesReceipt1.retrieveAllSalesReceipt();
SalesReceiptTableModel model= new SalesReceiptTableModel(result);
SalesReceiptTable.setModel(model);
}
else{
JOptionPane.showMessageDialog(null,"No record selected","Alert", JOptionPane.ERROR_MESSAGE);
}
//My sql statement in my entity class
public boolean deleteSalesReceipt(){
boolean success = false;
DBController db = new DBController();
String dbQuery;
db.getConnection();
dbQuery = "DELETE FROM SalesReceipt WHERE salesReceiptId ='" + salesReceiptId +"'";
if (db.updateRequest(dbQuery) == 1){
success = true;
}
db.terminate();
return success;
}
您能展示您嘗試過的以及您遇到問題的位置嗎? –