Signed-off-by: CC

.idea/misc.xml

@@ -3,7 +3,7 @@
   <component name="CodeInsightWorkspaceSettings">
     <option name="optimizeImportsOnTheFly" value="true" />
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_16" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file

ftpsystem.iml

@@ -37,5 +37,21 @@
         <SOURCES />
       </library>
     </orderEntry>
+    <orderEntry type="module-library">
+      <library name="JUnit5.7.0">
+        <CLASSES>
+          <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter/5.7.0/junit-jupiter-5.7.0.jar!/" />
+          <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter-api/5.7.0/junit-jupiter-api-5.7.0.jar!/" />
+          <root url="jar://$MAVEN_REPOSITORY$/org/apiguardian/apiguardian-api/1.1.0/apiguardian-api-1.1.0.jar!/" />
+          <root url="jar://$MAVEN_REPOSITORY$/org/opentest4j/opentest4j/1.2.0/opentest4j-1.2.0.jar!/" />
+          <root url="jar://$MAVEN_REPOSITORY$/org/junit/platform/junit-platform-commons/1.7.0/junit-platform-commons-1.7.0.jar!/" />
+          <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter-params/5.7.0/junit-jupiter-params-5.7.0.jar!/" />
+          <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter-engine/5.7.0/junit-jupiter-engine-5.7.0.jar!/" />
+          <root url="jar://$MAVEN_REPOSITORY$/org/junit/platform/junit-platform-engine/1.7.0/junit-platform-engine-1.7.0.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES />
+      </library>
+    </orderEntry>
   </component>
 </module>
\ No newline at end of file

src/ftp/FTPmain.java

-package ftp;
-
-import org.apache.commons.net.ftp.FTPClient;
-
-import java.io.IOException;
-
-public class FTPmain {
-    public static void main(String[] args) throws IOException, InterruptedException {
-        FTPClient ftpClient=ftp.Connect.connectFtpServer("43.139.43.93",21,"1","Qaz112","GBK");
-        Global.setFTPClient(ftpClient);
-        UI test=new UI();
-
-
-
-
-
-
-        ftp.Connect.isConnected(ftpClient);
-        //List<Fileinfo> list=FileView.viewFile(ftpClient);
-       // FileView.EnterFolder(ftpClient,"11.10Test");
-       // System.out.println(ftpClient.printWorkingDirectory());
-       // FileView.BackPreviousFolder(ftpClient);
-       // List<Fileinfo> list_=FileView.viewFile_local();
-       // System.out.println(FileView.IsRoot(ftpClient));
-       // System.out.println(ftpClient.printWorkingDirectory());
-       // TaskList taskList=new TaskList();
-       // taskList.newUpload(ftpClient,"D:\\1537639\\画画用的\\4543.jpg");
-        //File file=new File("D:\\1537639\\画画用的\\4543.jpg");
-        //TaskList t=new TaskList();
-        //t.newDownload("1cy","D:\\",ftpClient);
-        //t.newDownload("2.png","D:\\3D66",ftpClient);
-        //DeleteFiles deleteFiles=new DeleteFiles();
-        //deleteFiles.deleteServerFiles(ftpClient,"1cy","/");
-       // t.newDownload(ftpClient,"3231.png","D:\\3D66");
-        //t.newDownload(ftpClient,"student.txt","D:\\3D66");
-
-        //Download d = new Download(null,ftpClient,"11.10Test","D:\\",t,"/");
-       // Download d_ = new Download(null,ftpClient,"1.png","D:\\3D66",t,"/");
-       // new Thread(d).start();
-        //new Thread(d_).start();
-        // List<TaskList.Transport_info> taskList=t.getTasklist();
-        /*try {
-            System.out.println(ftpClient.printWorkingDirectory());
-        }
-        catch (Exception e)
-        {
-            System.out.println("fail");
-        }*/
-    }
-}

src/ftp/UI.java

@@ -102,26 +102,6 @@ public  class UI extends JFrame  {
 
 
     }
-
-    /*@Override
-    public void actionPerformed(ActionEvent e) {
-
-
-        if (e.getActionCommand() == "连接") {
-            if(jTextField1.getText()==null||jTextField2.getText()==""||jTextField3.getText()==""||jPasswordField.getText()==""){
-
-                JOptionPane .showMessageDialog(null,"输入不能为空","",JOptionPane.PLAIN_MESSAGE);
-
-            }
-            else{
-                //建立连接的代码
-            }
-
-
-        } else if (e.getActionCommand() == "断开连接") {//如果事件源是 jbClear,那么清除文本框的文字
-            //断开连接的代码
-        }
-    }*/
     class jButton1event implements ActionListener{
         @Override
         public void actionPerformed(ActionEvent e) {