修复QQ发图片会资源泄露的问题

src/main/java/com/yutou/qqbot/QQBotManager.java

@@ -20,6 +20,7 @@ import net.mamoe.mirai.utils.BotConfiguration;
 import net.mamoe.mirai.utils.ExternalResource;
 
 import java.io.File;
+import java.io.IOException;
 import java.util.List;
 import java.util.Objects;
 
@@ -116,11 +117,19 @@ public class QQBotManager {
 
     private Image getImage(File file,Long qq) {
         if (bot != null) {
+            ExternalResource resource=ExternalResource.create(file);
+            Image image;
             if(QQNumberManager.getManager().isGroup(qq)) {
-                return Objects.requireNonNull(bot.getGroup(qq)).uploadImage(ExternalResource.create(file));
+                image= Objects.requireNonNull(bot.getGroup(qq)).uploadImage(resource);
             }else{
-                return Objects.requireNonNull(bot.getFriend(qq)).uploadImage(ExternalResource.create(file));
+                image= Objects.requireNonNull(bot.getFriend(qq)).uploadImage(resource);
             }
+            try {
+                resource.close();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+            return image;
         }
         return null;
     }

src/main/java/com/yutou/qqbot/models/setu/GetSeTu.java

@@ -38,4 +38,22 @@ public class GetSeTu extends Model {
         }
     }
 
+    public static void main(String[] args) {
+        QQBotManager.getInstance();
+        try {
+            Thread.sleep(5000);
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+        String ret = HttpTools.get("https://api.ixiaowai.cn/api/api.php?return=json");
+        JSONObject json = JSONObject.parseObject(ret);
+        HttpTools.download(json.getString("imgurl"),
+                "setu.jpg", new DownloadInterface() {
+                    @Override
+                    public void onDownload(File file) {
+                        super.onDownload(file);
+                        QQBotManager.getInstance().sendMessage(file, 583819556L, "");
+                    }
+                });
+    }
 }