yum install vsftpd -y

 vi /etc/vsftpd/vsftpd.conf

chkconfig vsftpd on

useradd -d /home/ftpuser -s /sbin/nologin ftpuser 

passwd ftpuser

getsebool -a | grep ftpd
#以下是显示出来的权限，off是关闭权限，on是打开权限
allow_ftpd_anon_write --> off
allow_ftpd_full_access --> off
allow_ftpd_use_cifs --> off
allow_ftpd_use_nfs --> off
ftpd_connect_db --> off
ftpd_use_passive_mode --> off
ftp_home_dir --> off

[root@bogon ~]# setsebool -P allow_ftpd_full_access on
[root@bogon ~]# setsebool -P ftp_home_dir on

package com.jonychen.util;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.net.SocketException;
import java.util.Date;
import java.util.UUID;
import org.apache.commons.net.ftp.FTP;
import org.apache.commons.net.ftp.FTPClient;
public class FtpUploadUtil {
  private static ThreadLocal<FTPClient> threadLocal = new ThreadLocal<>();
  private static ThreadLocal<String> threadLocalHost = new ThreadLocal<>();
  public static void init(String host,int port,String username,String password) throws SocketException, IOException {
    FTPClient client = threadLocal.get();
    if(client==null) {
      client = new FTPClient();
      //1.连接
      client.connect(host,port);
      //2.登录
      client.login(username,password);
      threadLocal.set(client);
      threadLocalHost.set(host);
    }
  }
  public static String upload(InputStream local,String fileName,String path) throws SocketException, IOException {
    String datePath = DateUtil.date2Str(new Date(),"/yyyy/MM/dd/");
    //路径添加日期
    path+=datePath;
    FTPClient client = threadLocal.get();
    String host = threadLocalHost.get();
    //3.指定文件上传路径(路径不存在返回false)
    boolean exists = client.changeWorkingDirectory(path);
    if(!exists) {
      String pathArray[] = path.split("/");
      String temp = "/";
      for(String p:pathArray) {
        temp+=(p+"/");
        //4.如果文件路径不存在，则创建(一次只能创建一级目录)
        client.makeDirectory(temp);
      }
      //重新指定文件上传路径
      client.changeWorkingDirectory(path);
    }
    //5.指定文件类型
    client.setFileType(FTP.BINARY_FILE_TYPE);
    //获取后缀
    String suffix = fileName.substring(fileName.lastIndexOf("."));
    String uuid = UUID.randomUUID().toString();
    //6.执行上传
    client.storeFile(uuid+suffix, local);
    //7.退出
    client.logout();
    //8.断开连接
    client.disconnect();
    threadLocalHost.remove();
    threadLocal.remove();
    return "http://"+host+"/jonychen"+datePath+uuid+suffix;
  }
  public static void main(String[] args) throws SocketException, IOException {
    InputStream local = new FileInputStream("D:\\Documents\\Pictures\\01.png");
    init("192.168.178.161", 21, "ftpuser", "111111");
　　　　　//上传路径
    String res = upload(local, "code.png","/home/ftpuser/ego");
    System.out.println(res);
  }
}