增加接口，用于创建文件夹

src/main/java/com/hikcreate/ftp/proxy/modules/ftp/api/FtpProxyWebApi.java

@@ -120,6 +120,21 @@ public class FtpProxyWebApi {
         return picByte;
     }
 
+
+    @GetMapping("/makeDir")
+    public Response<Boolean> list(@RequestParam("dir") String dir) {
+        FtpUtil ftpUtil = new FtpUtil(ftpConfigBean.getIp(),
+                ftpConfigBean.getPort(),
+                ftpConfigBean.getUsername(),
+                ftpConfigBean.getPassword());
+        try {
+            boolean result = ftpUtil.makeDir(dir);
+            return ResponseGenerator.success(result);
+        } catch (IOException e) {
+            return ResponseGenerator.fail(e.toString());
+        }
+    }
+
     /**
      * 违法举报图片上传接口
      */

src/main/java/com/hikcreate/ftp/proxy/utils/FtpUtil.java

 package com.hikcreate.ftp.proxy.utils;
 
-import org.apache.commons.net.ftp.FTP;
 import org.apache.commons.net.ftp.FTPClient;
-import org.apache.commons.net.ftp.FTPClientConfig;
-import org.apache.commons.net.ftp.FTPReply;
 import org.apache.log4j.Logger;
 
 import java.io.IOException;
@@ -162,4 +159,7 @@ public class FtpUtil {
         return flag;
     }
 
+    public boolean makeDir(String dir) throws IOException {
+        return ftpClient.changeWorkingDirectory(dir);
+    }
 }