如何在 JTable 中添加行？

Use:

DefaultTableModel model = new DefaultTableModel();
JTable table = new JTable(model);


// Create a couple of columns
model.addColumn("Col1");
model.addColumn("Col2");


// Append a row
model.addRow(new Object[]{"v1", "v2"});

The TableModel behind the JTable handles all of the data behind the table. In order to add and remove rows from a table, you need to use a DefaultTableModel

To create the table with this model:

JTable table = new JTable(new DefaultTableModel(new Object[]{"Column1", "Column2"}));

To add a row:

DefaultTableModel model = (DefaultTableModel) table.getModel();
model.addRow(new Object[]{"Column 1", "Column 2", "Column 3"});

You can also remove rows with this method.

Full details on the DefaultTableModel can be found here

Use

    DefaultTableModel model = (DefaultTableModel) MyJTable.getModel();


Vector row = new Vector();
row.add("Enter data to column 1");
row.add("Enter data to column 2");
row.add("Enter data to column 3");
model.addRow(row);

get the model with DefaultTableModel modelName = (DefaultTableModel) JTabelName.getModel();

Create a Vector with Vector vectorName = new Vector();

add so many row.add as comumns

add soon just add it with modelName.addRow(Vector name);

To add row to JTable, one of the ways is:

1) Create table using DefaultTableModel:

        DefaultTableModel model = new DefaultTableModel();
model.addColumn("Code");
model.addColumn("Name");
model.addColumn("Quantity");
model.addColumn("Unit Price");
model.addColumn("Price");
JTable table = new JTable(model);

2) To add row:

        DefaultTableModel model = (DefaultTableModel) table.getModel();
model.addRow(new Object[]{"Column 1", "Column 2", "Column 3","Column 4","Column 5"});

For the sake of completeness, first make sure you have the correct import so you can use the addRow function:

import javax.swing.table.*;

Assuming your jTable is already created, you can proceed and create your own add row method which will accept the parameters that you need:

public void yourAddRow(String str1, String str2, String str3){
DefaultTableModel yourModel = (DefaultTableModel) yourJTable.getModel();
yourModel.addRow(new Object[]{str1, str2, str3});
}