Update: 添加RadioManager/RadioDownloadListener/UpdateChecker/WelcomeManager等新功能模块

txt/InventorySerializer.txt

@@ -0,0 +1,46 @@
+package Sdf1_login;
+
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.util.io.BukkitObjectInputStream;
+import org.bukkit.util.io.BukkitObjectOutputStream;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.util.Base64;
+
+public class InventorySerializer {
+
+    public static String toBase64(ItemStack[] items) throws IOException {
+        try {
+            ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+            BukkitObjectOutputStream dataOutput = new BukkitObjectOutputStream(outputStream);
+            dataOutput.writeInt(items.length);
+            for (ItemStack item : items) {
+                dataOutput.writeObject(item);
+            }
+            dataOutput.close();
+            return Base64.getEncoder().encodeToString(outputStream.toByteArray());
+        } catch (Exception e) {
+            throw new IOException("Unable to serialize item stacks.", e);
+        }
+    }
+
+    public static ItemStack[] fromBase64(String data) throws IOException {
+        if (data == null || data.isEmpty()) {
+            return new ItemStack[0];
+        }
+        try {
+            ByteArrayInputStream inputStream = new ByteArrayInputStream(Base64.getDecoder().decode(data));
+            BukkitObjectInputStream dataInput = new BukkitObjectInputStream(inputStream);
+            ItemStack[] items = new ItemStack[dataInput.readInt()];
+            for (int i = 0; i < items.length; i++) {
+                items[i] = (ItemStack) dataInput.readObject();
+            }
+            dataInput.close();
+            return items;
+        } catch (ClassNotFoundException e) {
+            throw new IOException("Unable to deserialize item stacks.", e);
+        }
+    }
+}