概念比较简单,实现稍微复杂一些。
诀窍是找到各种应用程序将识别并允许您翻译数据的 mime 类型。
我没有包含 CSV 翻译,从示例代码中得到它并不需要太多,而且,我没有包含表格单元格值的任何“格式”,我相信你能想到也出来了。
import java.awt.Toolkit;
import java.awt.datatransfer.Clipboard;
import java.awt.datatransfer.ClipboardOwner;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableModel;
public class CopyTableModel {
public static void main(String[] args) {
DefaultTableModel model = new DefaultTableModel(
new Object[][]{
{"A1", "A2", "A3", "A4", "A5"},
{"B1", "B2", "B3", "B4", "B5"},
{"C1", "C2", "C3", "C4", "C5"},
{"D1", "D2", "D3", "D4", "D5"},
{"E1", "E2", "E3", "E4", "E5"},
{"F1", "F2", "F3", "F4", "F5"}
},
new Object[]{"1", "2", "3", "4", "5"});
Clipboard cb = Toolkit.getDefaultToolkit().getSystemClipboard();
cb.setContents(new TableTransferable(model), new ClipboardOwner() {
@Override
public void lostOwnership(Clipboard clipboard, Transferable contents) {
System.out.println("You lose :(");
}
});
}
public static class TableTransferable implements Transferable {
public static final DataFlavor TABLE_DATA_FLAVOR = new DataFlavor(TableModel.class, "binary/x-java-tablemodel; class=<javax.swing.TableModel>");
public static final DataFlavor HTML_DATA_FLAVOR = new DataFlavor("text/html", "HTML");
public static final DataFlavor CSV_DATA_FLAVOR = new DataFlavor("text/csv", "CVS");
public static final DataFlavor PLAIN_DATA_FLAVOR = new DataFlavor("text/plain", "Plain text");
public static final DataFlavor SERIALIZED_DATA_FLAVOR = new DataFlavor(String.class, "application/x-java-serialized-object; Plain text");
private final TableModel model;
public TableTransferable(TableModel model) {
this.model = model;
}
@Override
public DataFlavor[] getTransferDataFlavors() {
return new DataFlavor[]{TABLE_DATA_FLAVOR, HTML_DATA_FLAVOR, CSV_DATA_FLAVOR, SERIALIZED_DATA_FLAVOR};
}
@Override
public boolean isDataFlavorSupported(DataFlavor flavor) {
System.out.println("isSupported " + flavor);
boolean supported = false;
for (DataFlavor mine : getTransferDataFlavors()) {
if (mine.equals(flavor)) {
supported = true;
break;
}
}
return supported;
}
@Override
public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException {
System.out.println("get " + flavor);
Object data = null;
if (TABLE_DATA_FLAVOR.equals(flavor)) {
data = model;
} else if (HTML_DATA_FLAVOR.equals(flavor)) {
data = new ByteArrayInputStream(formatAsHTML().getBytes());
} else if (SERIALIZED_DATA_FLAVOR.equals(flavor)) {
data = formatAsHTML();
} else if (CSV_DATA_FLAVOR.equals(flavor)) {
data = new ByteArrayInputStream("CSV".getBytes());
} else {
throw new UnsupportedFlavorException(flavor);
}
return data;
}
public String formatAsHTML() {
StringBuilder sb = new StringBuilder(128);
sb.append("<html><body>");
sb.append("<table>");
sb.append("<tr>");
for (int index = 0; index < model.getColumnCount(); index++) {
sb.append("<th>").append(model.getColumnName(index)).append("</th>");
}
sb.append("</tr>");
for (int rowIndex = 0; rowIndex < model.getRowCount(); rowIndex++) {
sb.append("<tr>");
for (int colIndex = 0; colIndex < model.getColumnCount(); colIndex++) {
Object o = model.getValueAt(rowIndex, colIndex);
// You will want to format the value...
String value = o == null ? "" : o.toString();
sb.append("<td>").append(value).append("</td>");
}
sb.append("</tr>");
}
sb.append("</table>");
return sb.toString();
}
}
}