[英]Insert data in to oracle table using netbeans
我想使用netbeans文本字段將數據插入到oracle表中,並且此代碼有問題。 當執行此屏幕時,它給了我一個例外:
java.sql.SQLException:無效的列索引
請盡快幫助我。
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt)
{
conn = javadb.ConnectDb();
try{
String sql = "insert into addbook (id, title, isbn, author)"
+ " values(null,'','','');";
pst = (OraclePreparedStatement) conn.prepareStatement(sql);
pst.setString(1, title.getText());
pst.setString(2, isbn.getText());
pst.setString(3, author.getText());
rs = (OracleResultSet) pst.executeQuery();
}catch(SQLException | HeadlessException e){
JOptionPane.showMessageDialog(null, e);
}
}
conn = JavaDbCon.ConnecrDb();
try{
String sql = "insert into Balance (ecode,ltype,rol,ldate) values(?,?,?,?)";" // there he show me error
pst = (OraclePreparedStatement) conn.prepareStatement(sql);
pst.setString(1,'NULL'); // also here
pst.setString(2, ltype.getText());
pst.setString(3, rol.getText());
pst.setString(4, ldate.getText());
rs = (OracleResultSet) pst.executeQuery();
}catch(SQLException | HeadlessException e){ // here also
JOptionPane.showMessageDialog(null, e);
}
這應該可行,嘗試一下。
conn = javadb.ConnectDb();
try{
String sql = "insert into addbook (id, title, isbn, author) values(?,?,?,?)";
pst = (OraclePreparedStatement) conn.prepareStatement(sql);
pst.setString(1,'NULL');
pst.setString(2, title.getText());
pst.setString(3, isbn.getText());
pst.setString(4, author.getText());
rs = (OracleResultSet) pst.executeUpdate(sql);
}catch(SQLException | HeadlessException e){
JOptionPane.showMessageDialog(null, e);
}
}
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