FTP inputstream下载测试成功

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2018-05-07 22:25:46 +08:00
parent 5611620592
commit d2122c2896
10 changed files with 577 additions and 87 deletions

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@@ -0,0 +1,376 @@
package com.fjy.spring.untils;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.SocketException;
import java.util.ArrayList;
import java.util.List;
import com.fjy.spring.properties.FtpProperties;
import org.apache.commons.net.ftp.FTP;
import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPFile;
import org.apache.commons.net.ftp.FTPFileFilter;
/**
* @author F嘉阳
* @date 2018-05-07 19:56
*/
public class FtpOperationUtil {
private FTPClient ftpClient;
public static final int BINARY_FILE_TYPE = FTP.BINARY_FILE_TYPE;
public static final int ASCII_FILE_TYPE = FTP.ASCII_FILE_TYPE;
/**
* 利用FtpProperties进行服务器连接
*
* @param FtpProperties 参数配置Bean类
* @throws SocketException
* @throws IOException
*/
public void connectServer(FtpProperties FtpProperties) throws SocketException,
IOException {
String server = FtpProperties.getServer();
int port = FtpProperties.getPort();
String user = FtpProperties.getUsername();
String password = FtpProperties.getPassword();
String location = FtpProperties.getLocation();
connectServer(server, port, user, password, location);
}
/**
* 使用详细信息进行服务器连接
*
* @param server服务器地址名称
* @param port端口号
* @param user用户名
* @param password用户密码
* @param path转移到FTP服务器目录
* @throws SocketException
* @throws IOException
*/
public void connectServer(String server, int port, String user,
String password, String path) throws SocketException, IOException {
ftpClient = new FTPClient();
ftpClient.connect(server, port);
System.out.println("Connected to " + server + ".");
//连接成功后的回应码
System.out.println(ftpClient.getReplyCode());
ftpClient.login(user, password);
if (path != null && path.length() != 0) {
ftpClient.changeWorkingDirectory(path);
}
ftpClient.setBufferSize(1024);//设置上传缓存大小
ftpClient.setControlEncoding("UTF-8");//设置编码
ftpClient.setFileType(BINARY_FILE_TYPE);//设置文件类型
}
/**
* 设置传输文件类型:FTP.BINARY_FILE_TYPE | FTP.ASCII_FILE_TYPE
* 二进制文件或文本文件
*
* @param fileType
* @throws IOException
*/
public void setFileType(int fileType) throws IOException {
ftpClient.setFileType(fileType);
}
/**
* 关闭连接
*
* @throws IOException
*/
public void closeServer() throws IOException {
if (ftpClient != null && ftpClient.isConnected()) {
ftpClient.logout();//退出FTP服务器
ftpClient.disconnect();//关闭FTP连接
}
}
/**
* 转移到FTP服务器工作目录
*
* @param path
* @return
* @throws IOException
*/
public boolean changeDirectory(String path) throws IOException {
return ftpClient.changeWorkingDirectory(path);
}
/**
* 在服务器上创建目录
*
* @param pathName
* @return
* @throws IOException
*/
public boolean createDirectory(String pathName) throws IOException {
return ftpClient.makeDirectory(pathName);
}
/**
* 在服务器上删除目录
*
* @param path
* @return
* @throws IOException
*/
public boolean removeDirectory(String path) throws IOException {
return ftpClient.removeDirectory(path);
}
/**
* 删除所有文件和目录
*
* @param path
* @param isAll true:删除所有文件和目录
* @return
* @throws IOException
*/
public boolean removeDirectory(String path, boolean isAll)
throws IOException {
if (!isAll) {
return removeDirectory(path);
}
FTPFile[] ftpFileArr = ftpClient.listFiles(path);
if (ftpFileArr == null || ftpFileArr.length == 0) {
return removeDirectory(path);
}
//
for (FTPFile ftpFile : ftpFileArr) {
String name = ftpFile.getName();
if (ftpFile.isDirectory()) {
System.out.println("* [sD]Delete subPath [" + path + "/" + name + "]");
removeDirectory(path + "/" + name, true);
} else if (ftpFile.isFile()) {
System.out.println("* [sF]Delete file [" + path + "/" + name + "]");
deleteFile(path + "/" + name);
} else if (ftpFile.isSymbolicLink()) {
} else if (ftpFile.isUnknown()) {
}
}
return ftpClient.removeDirectory(path);
}
/**
* 检查目录在服务器上是否存在 true存在 false不存在
*
* @param path
* @return
* @throws IOException
*/
public boolean existDirectory(String path) throws IOException {
boolean flag = false;
FTPFile[] ftpFileArr = ftpClient.listFiles(path);
for (FTPFile ftpFile : ftpFileArr) {
if (ftpFile.isDirectory()
&& ftpFile.getName().equalsIgnoreCase(path)) {
flag = true;
break;
}
}
return flag;
}
public boolean isExistsFile(String fileName) {
try {
FTPFile[] file = ftpClient.listFiles(fileName);
return file.length > 0 ? true : false;
} catch (IOException e) {
e.printStackTrace();
return false;
}
}
/**
* 得到文件列表,listFiles返回包含目录和文件它返回的是一个FTPFile数组
* listNames():只包含目录的字符串数组
* String[] fileNameArr = ftpClient.listNames(path);
*
* @param path:服务器上的文件目录:/DF4
*/
public List<String> getFileList(String path) throws IOException {
FTPFile[] ftpFiles = ftpClient.listFiles(path);
//通过FTPFileFilter遍历只获得文件
/* FTPFile[] ftpFiles2= ftpClient.listFiles(path,new FTPFileFilter() {
@Override
public boolean accept(FTPFile ftpFile) {
return ftpFile.isFile();
}
}); */
List<String> retList = new ArrayList<String>();
if (ftpFiles == null || ftpFiles.length == 0) {
return retList;
}
for (FTPFile ftpFile : ftpFiles) {
if (ftpFile.isFile()) {
retList.add(ftpFile.getName());
}
}
return retList;
}
/**
* 删除服务器上的文件
*
* @param pathName
* @return
* @throws IOException
*/
public boolean deleteFile(String pathName) throws IOException {
return ftpClient.deleteFile(pathName);
}
/**
* 上传文件到ftp服务器
* 在进行上传和下载文件的时候,设置文件的类型最好是:
* ftpUtil.setFileType(FtpUtil.BINARY_FILE_TYPE)
* localFilePath:本地文件路径和名称
* remoteFileName:服务器文件名称
*/
public boolean uploadFile(String localFilePath, String remoteFileName)
throws IOException {
remoteFileName = new String(remoteFileName.getBytes("UTF-8"), "iso-8859-1");
boolean flag = false;
InputStream iStream = null;
try {
iStream = new FileInputStream(localFilePath);
//我们可以使用BufferedInputStream进行封装
//BufferedInputStream bis=new BufferedInputStream(iStream);
//flag = ftpClient.storeFile(remoteFileName, bis);
flag = ftpClient.storeFile(remoteFileName, iStream);
} catch (IOException e) {
flag = false;
return flag;
} finally {
if (iStream != null) {
iStream.close();
}
}
return flag;
}
/**
* 上传文件到ftp服务器上传新的文件名称和原名称一样
*
* @param fileName文件名称
* @return
* @throws IOException
*/
public boolean uploadFile(String fileName) throws IOException {
return uploadFile(fileName, fileName);
}
/**
* 上传文件到ftp服务器
*
* @param iStream 输入流
* @param newName 新文件名称
* @return
* @throws IOException
*/
public boolean uploadFile(InputStream iStream, String newName)
throws IOException {
boolean flag = false;
try {
flag = ftpClient.storeFile(newName, iStream);
} catch (IOException e) {
flag = false;
return flag;
} finally {
if (iStream != null) {
iStream.close();
}
}
return flag;
}
/**
* 从ftp服务器上下载文件到本地
*
* @param remoteFileNameftp服务器上文件名称
* @param localFileName本地文件名称
* @return
* @throws IOException
*/
public boolean download(String remoteFileName, String localFileName)
throws IOException {
remoteFileName = new String(remoteFileName.getBytes("UTF-8"), "iso-8859-1");
boolean flag = false;
File outfile = new File(localFileName);
OutputStream oStream = null;
try {
oStream = new FileOutputStream(outfile);
//我们可以使用BufferedOutputStream进行封装
//BufferedOutputStream bos=new BufferedOutputStream(oStream);
//flag = ftpClient.retrieveFile(remoteFileName, bos);
flag = ftpClient.retrieveFile(remoteFileName, oStream);
} catch (IOException e) {
flag = false;
return flag;
} finally {
oStream.close();
}
return flag;
}
/**
* 从ftp服务器上下载文件到本地
*
* @param sourceFileName服务器资源文件名称
* @return InputStream 输入流
* @throws IOException
*/
public InputStream downFile(String sourceFileName) throws IOException {
sourceFileName = sourceFileName;
return ftpClient.retrieveFileStream(sourceFileName);
}
public static void main(String[] args) throws Exception {
//testUpload();
//testDownload();
FtpOperationUtil ftpUtil = new FtpOperationUtil();
ftpUtil.connectServer("192.168.79.138", FTPClient.DEFAULT_PORT, "cms", "imis2", null);
//获得ftp服务器上目录名称为DF4下的所有文件名称
List<String> list = ftpUtil.getFileList("/");
for (String str : list) {
System.out.println(str);
}
// 上传本地D盘文件aaa.txt到服务器服务器上名称为bbb.txt
//ftpUtil.uploadFile("F:\\JAVA Workspace\\Temp\\upload\\ERP实验1销售预测与SOP.doc", "ERP实验1销售预测与SOP.doc");
// 从服务器上下载文件bbb.txt到本地d盘名称为ccc.txt
//ftpUtil.download("ERP实验1销售预测与SOP.doc", "F:\\JAVA Workspace\\Temp\\ERP实验1销售预测与SOP.doc");
String name = "ERP实验1销售预测与SOP.doc";
InputStream inputStream = ftpUtil.downFile(new String(name.getBytes("UTF-8"), "iso-8859-1"));
String destination = "F:\\JAVA Workspace\\Temp\\ERP实验1销售预测与SOP.doc";
int index;
byte[] bytes = new byte[1024];
FileOutputStream downloadFile = new FileOutputStream(destination);
while ((index = inputStream.read(bytes)) != -1) {
downloadFile.write(bytes, 0, index);
downloadFile.flush();
}
downloadFile.close();
inputStream.close();
// 删除ftp服务器上文件:bbb.txt
//ftpUtil.deleteFile("bbb.txt");
}
}