支持table操作

src/main/java/com/lishihe/hosts/frame/HostsFrame.java

@@ -9,6 +9,7 @@ import javax.accessibility.AccessibleContext;
 import javax.swing.*;
 import javax.swing.table.DefaultTableModel;
 import javax.swing.table.TableColumn;
+import javax.swing.table.TableModel;
 import java.awt.*;
 import java.awt.datatransfer.Clipboard;
 import java.awt.datatransfer.StringSelection;
@@ -33,6 +34,8 @@ public class HostsFrame {
     private int[] tableRowsSelected;
     //--表格被选中的列
     private int[] tableCellsSelected;
+    //--model
+    private DefaultTableModel defaultTableModel;
 
     //页面组件
     //--主面板
@@ -92,6 +95,7 @@ public class HostsFrame {
                     parseHostList();
                 }
             }
+            PlugsUtils.modalMessageInfo("操作成功~");
         });
     }
 
@@ -181,21 +185,29 @@ public class HostsFrame {
         JMenuItem itemPush = new JMenuItem("新增一行", getMenuIcon("scan"));
         //--设置监听方法  匿名类
         itemPush.addActionListener(itemE -> {
-            hostTable.addColumn(new TableColumn(hostTable.getRowCount() - 1));
+            defaultTableModel.addRow(new String[]{"", ""});
         });
         nameTableMenu.add(itemPush);
         //2
         JMenuItem itemInsert = new JMenuItem("插入一行", getMenuIcon("add"));
         //--设置监听方法  匿名类
         itemInsert.addActionListener(itemE -> {
-            hostTable.addColumn(new TableColumn(tableRowsSelected[tableRowsSelected.length - 1]));
+            if (tableCellsSelected.length <= 0) {
+                return;
+            }
+            defaultTableModel.insertRow(tableRowsSelected[tableRowsSelected.length - 1], new String[]{"", ""});
         });
         nameTableMenu.add(itemInsert);
         //2
         JMenuItem itemDelete = new JMenuItem("删除", getMenuIcon("delete"));
         //--设置监听方法  匿名类
         itemDelete.addActionListener(itemE -> {
-            hostTable.removeColumnSelectionInterval(tableRowsSelected[0], tableRowsSelected[tableRowsSelected.length - 1]);
+            if (tableCellsSelected.length <= 0) {
+                return;
+            }
+            for (int i = 0; i <= tableCellsSelected[tableCellsSelected.length - 1] - tableCellsSelected[0]; i++) {
+                defaultTableModel.removeRow(tableRowsSelected[0]);
+            }
         });
         nameTableMenu.add(itemDelete);
     }
@@ -222,12 +234,14 @@ public class HostsFrame {
      * @param fileName 文件名称
      */
     private void initHostTable(String fileName) {
+        defaultTableModel = new DefaultTableModel(findFileDetails(fileName), new String[]{"IP", "映射值"});
         initTableMenu();
-        hostTable.setModel(new DefaultTableModel(findFileDetails(fileName), new String[]{"IP", "映射值"}));
+        hostTable.setModel(defaultTableModel);
         hostTable.addMouseListener(new MouseAdapter() {
             @Override
             public void mouseClicked(MouseEvent e) {
                 if (e.getButton() == 3) {
+                    System.err.println(Arrays.toString(hostTable.getSelectedRows()));
                     //得到选中的行列的索引值
                     tableRowsSelected = hostTable.getSelectedRows();
                     tableCellsSelected = hostTable.getSelectedColumns();
@@ -250,7 +264,7 @@ public class HostsFrame {
      * @return 文件正文
      */
     private String[][] findFileDetails(String fileName) {
-        String[][] result = new String[][]{};
+        String[][] result = new String[0][1];
         BufferedReader reader = null;
         try {
             reader = new BufferedReader(new FileReader(parseHostsFileAndPath(fileName)));
@@ -270,6 +284,9 @@ public class HostsFrame {
                 }
             }
         }
+        if (result.length == 0 || result.length == 1 && result[0].length == 0) {
+            result = new String[][]{{"", ""}};
+        }
         return result;
     }