update1

@@ -121,4 +121,7 @@
       </item>
     </group>
   </component>
+  <component name="uidesigner-configuration">
+    <option name="DEFAULT_LAYOUT_MANAGER" value="CardLayout" />
+  </component>
 </project>
\ No newline at end of file

@@ -10,7 +10,9 @@ TiandituDownload tiandituDownload = new TiandituDownload("my.db");
 Point pt = new Point(29.76,106.64);
 Point pt2 = new Point(35.33, 108.12);
 // 下载器
-// 2 为最小level，9为最大level，
-tiandituDownload.Download(pt, pt2, 2,9, TianDiTuTiledMapServiceType.IMG_C);
+// 2 为最小level，9为最大level
+// TianDiTuTiledMapServiceType.IMG_C 为下载数据类型
+// 最后一个参数为merge，为true时，会将地图及其注记一并下载融合到一张图片中去
+tiandituDownload.Download(pt, pt2, 2,9, TianDiTuTiledMapServiceType.IMG_C, true);
 
 ```
\ No newline at end of file

@@ -3,7 +3,7 @@ import utils.TianDiTuTiledMapServiceType;
 
 import java.sql.SQLException;
 
-public class Main {
+public class Main{
 
 
     public static void main(String[] args) throws SQLException {
@@ -12,7 +12,6 @@ public class Main {
         TiandituDownload tiandituDownload = new TiandituDownload("my.db");
         Point pt = new Point(29.76,106.64);
         Point pt2 = new Point(35.33, 108.12);
-//        tiandituDownload.Download(pt, pt2, 9, utils.TianDiTuTiledMapServiceType.IMG_C);
-        tiandituDownload.Download(pt, pt2, 2,11, TianDiTuTiledMapServiceType.IMG_C);
+        tiandituDownload.Download(pt, pt2, 2,9, TianDiTuTiledMapServiceType.VEC_C, true);
     }
 }

@@ -3,8 +3,13 @@ import utils.Point;
 import utils.TDTUrl;
 import utils.TianDiTuTiledMapServiceType;
 
+import javax.imageio.ImageIO;
+import java.awt.*;
+import java.awt.image.BufferedImage;
 import java.io.BufferedInputStream;
+import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
 import java.net.HttpURLConnection;
 import java.net.URL;
 import java.sql.*;
@@ -81,7 +86,7 @@ public class TiandituDownload {
         return new CalEnv(startX, startY);
     }
 
-    private void Download(Point minPoint, Point maxPoint, int level, TianDiTuTiledMapServiceType type){
+    private void Download(Point minPoint, Point maxPoint, int level, TianDiTuTiledMapServiceType type, boolean merge){
 
         try{
             CalEnv startEnv = calculateEnv(minPoint, level);
@@ -108,6 +113,32 @@ public class TiandituDownload {
                             // 获得地图瓦片
                             byte[] img = getTile(url);
                             System.out.println("正在下载 "+url);
+
+                            // 如果merge为true，则在下载img_c或vec_c时将其注记图片一并下载
+                            if(merge) {
+                                InputStream img_stream = new ByteArrayInputStream(img);
+                                BufferedImage bImageFromConvert = ImageIO.read(img_stream);
+
+                                String url2 = "";
+                                if(type == TianDiTuTiledMapServiceType.IMG_C) {
+                                    url2 = new TDTUrl(level, i, j, TianDiTuTiledMapServiceType.CIA_C).generatUrl();
+                                }else{
+                                    url2 = new TDTUrl(level, i, j, TianDiTuTiledMapServiceType.CVA_C).generatUrl();
+                                }
+                                byte[] img2 = getTile(url2);
+                                InputStream img_stream2 = new ByteArrayInputStream(img2);
+                                BufferedImage bImageFromConvert2 = ImageIO.read(img_stream2);
+
+                                Graphics g = bImageFromConvert.getGraphics();
+                                g.drawImage(bImageFromConvert, 0, 0, null);
+                                g.drawImage(bImageFromConvert2, 0, 0, null);
+
+                                ByteArrayOutputStream baos = new ByteArrayOutputStream();
+                                ImageIO.write(bImageFromConvert, "jpg", baos);
+                                baos.flush();
+                                img = baos.toByteArray();
+                                baos.close();
+                            }
                             // 将数据写入sqlite
                             String insertSQL = "INSERT INTO "+ type + "(TILELEVEL,TILECOL,TILEROW,TILEDATA) VALUES (?,?,?,?)";
                             preparedStatement = conn.prepareStatement(insertSQL);
@@ -128,7 +159,7 @@ public class TiandituDownload {
         }
     }
 
-    public void Download(Point minPoint, Point maxPoint, int minLevel, int maxLevel, TianDiTuTiledMapServiceType type) throws SQLException {
+    public void Download(Point minPoint, Point maxPoint, int minLevel, int maxLevel, TianDiTuTiledMapServiceType type, boolean merge) throws SQLException {
         try {
             Class.forName("org.sqlite.JDBC");
             conn = DriverManager.getConnection("jdbc:sqlite:" + this.dbpath);
@@ -144,7 +175,7 @@ public class TiandituDownload {
             stmt.close();
 
             for(int m = minLevel; m<= maxLevel; m++){
-                this.Download(minPoint, maxPoint, m, type);
+                this.Download(minPoint, maxPoint, m, type, merge);
             }
             conn.close();
             System.out.println("下载完成");