public class FtpApche {
private static FTPClient ftpClient = new FTPClient();
private static String encoding = System.getProperty("file.encoding");
public static boolean downFile(String url, int port, String username,
String password, String remotePath, String fileName,
String localPath) {
boolean result = false;
try {
int reply;
ftpClient.setControlEncoding(encoding);
FTPClientConfig conf = new FTPClientConfig(FTPClientConfig.SYST_NT);
conf.setServerLanguageCode("zh");
ftpClient.connect(url, port);
// 如果采用默认端口，可以使用ftp.connect(url)的方式直接连接FTP服务器
ftpClient.login(username, password);// 登录
// 设置文件传输类型为二进制
ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE);
// 获取ftp登录应答代码
reply = ftpClient.getReplyCode();
// 验证是否登陆成功
if (!FTPReply.isPositiveCompletion(reply)) {
ftpClient.disconnect();
System.err.println("FTP server refused connection.");
return result;
}
// 转移到FTP服务器目录至指定的目录下
ftpClient.changeWorkingDirectory(new String(remotePath.getBytes(encoding),"iso-8859-1"));
// 获取文件列表
FTPFile[] fs = ftpClient.listFiles();
for (FTPFile ff : fs) {
if (ff.getName().equals(fileName)) {
File localFile = new File(localPath + "/" + ff.getName());
OutputStream is = new FileOutputStream(localFile);
ftpClient.retrieveFile(ff.getName(), is);
is.close();
}
}
ftpClient.logout();
result = true;
} catch (IOException e) {
e.printStackTrace();
} finally {
if (ftpClient.isConnected()) {
try {
ftpClient.disconnect();
} catch (IOException ioe) {
}
}
}
return result;
}
public void testDownFile(String resourceFolder,String fileName,String targetFolder) {
try {
String propertiesName="/resources/datasource.properties";
String dataServerIp=PropertiesUtil.getPropertiesValue(propertiesName, "wz.ftp.ip");
String dataServerUsername=PropertiesUtil.getPropertiesValue(propertiesName, "wz.ftp.user");
String dataServerPassword=PropertiesUtil.getPropertiesValue(propertiesName, "wz.ftp.pwd");
boolean flag = downFile(dataServerIp, 21, dataServerUsername,
dataServerPassword, resourceFolder, fileName, targetFolder);
System.out.println(flag);
} catch (Exception e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
FtpApche fa = new FtpApche();