java客户端操作fastdfs集群
pom文件配置
junit
junit
4.11
commons-fileupload
commons-fileupload
1.3.1
commons-io
commons-io
2.0.1
org.apache.commons
commons-lang3
3.1
commons-logging
commons-logging
1.1.3
log4j
log4j
1.2.17
org.slf4j
slf4j-api
1.7.5
org.slf4j
slf4j-log4j12
1.7.5
org.csource
fastdfs-client-java
v1.24
connect_timeout = 10
network_timeout = 30
charset = UTF-8
http.tracker_http_port = 8080
http.anti_steal_token = no
http.secret_key = FastDFS1234567890
tracker_server = 192.168.1.251:22122
tracker_server = 192.168.1.252:22122client 工具类：
package com.sun.dfs.utils;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import org.apache.commons.lang3.StringUtils;
import org.apache.log4j.Logger;
import org.csource.common.NameValuePair;
import org.csource.fastdfs.ClientGlobal;
import org.csource.fastdfs.StorageClient1;
import org.csource.fastdfs.StorageServer;
import org.csource.fastdfs.TrackerClient;
import org.csource.fastdfs.TrackerServer;
/**
*
* @ClassName: FastDFSClient
* @Description: fdfs工具类
* @author: sunqz
* @date: 2017-6-3 下午3:17:46
*/
public class FastDFSClient {
private static final String CONF_FILENAME = "src/main/resources/fdfs/fdfs_client.conf";
private static StorageClient1 storageClient1 = null;
private static Logger logger = Logger.getLogger(FastDFSClient.class);
/**
* 只加载一次.
*/
static {
try {
logger.info("=== CONF_FILENAME:" + CONF_FILENAME);
ClientGlobal.init(CONF_FILENAME);
TrackerClient trackerClient = new TrackerClient(ClientGlobal.g_tracker_group);
TrackerServer trackerServer = trackerClient.getConnection();
if (trackerServer == null) {
logger.error("getConnection return null");
}
StorageServer storageServer = trackerClient.getStoreStorage(trackerServer);
if (storageServer == null) {
logger.error("getStoreStorage return null");
}
storageClient1 = new StorageClient1(trackerServer, storageServer);
} catch (Exception e) {
logger.error(e);
}
}
/**
*
* @Title: uploadFile
* @Description: 上传文件
* @param fullpath 文件全路径
* @return
* @return: String 文件id
*/
public static String uploadFile( String fullpath) {
File file = new File(fullpath);
FileInputStream fis = null;
try {
NameValuePair[] meta_list = null; // new NameValuePair[0];
fis = new FileInputStream(file);
byte[] file_buff = null;
if (fis != null) {
int len = fis.available();
file_buff = new byte[len];
fis.read(file_buff);
}
String fileid = storageClient1.upload_file1(file_buff, getFileExt(fullpath), meta_list);
return fileid;
} catch (Exception ex) {
logger.error(ex);
return null;
}finally{
if (fis != null){
try {
fis.close();
} catch (IOException e) {
logger.error(e);
}
}
}
}
/**
*
* @Title: uploadSlaveFile
* @Description: 上传关联文件
* @param masterFileId 主文件id
* @param fullpath 从文件全路径
* @param prefixName 从文件后缀名 例如 主文件为 product_100010.png 从文件为分辨率不同的 product_100010_120x120.png
* @return
* @return: String 文件id
*/
public static String uploadSlaveFile(String masterFileId, String fullpath,String prefixName) {
File file = new File(fullpath);
FileInputStream fis = null;
try {
NameValuePair[] meta_list = null; // new NameValuePair[0];
fis = new FileInputStream(file);
byte[] file_buff = null;
if (fis != null) {
int len = fis.available();
file_buff = new byte[len];
fis.read(file_buff);
}
String fileid =storageClient1.upload_file1(masterFileId,prefixName , fullpath, getFileExt(fullpath), null);
return fileid;
} catch (Exception ex) {
logger.error(ex);
return null;
}finally{
if (fis != null){
try {
fis.close();
} catch (IOException e) {
logger.error(e);
}
}
}
}
/**
*
* @Title: deleteFile
* @Description: 根据组名和远程文件名来删除一个文件 如果没有组默认为group1
* @param groupName
* @param fileName 例如：/M00/00/00/wKgB-lkdxUmAPb-QAAIbD3CxJDw317.jpg
* @return
* @return: int
*/
public static int deleteFile(String groupName, String fileName) {
try {
int result = storageClient1.delete_file(groupName == null ? "group1" : groupName, fileName);
return result;
} catch (Exception ex) {
logger.error(ex);
return 0;
}
}
/**
*
* @Title: deleteFile
* @Description: 根据fileId来删除一个文件
* @param fileId
* @return
* @return: int
*/
public static int deleteFile(String fileId) {
try {
int result = storageClient1.delete_file1(fileId);
return result;
} catch (Exception ex) {
ex.printStackTrace();
return 0;
}
}
/**
*
* @Title: modifyFile
* @Description: 修改一个已经存在的文件 先上传新的后删除旧的
* @param oldFileId 旧文件id
* @param fullPath 新文件全路径
* @return
* @return: String
*/
public static String modifyFile(String oldFileId, String fullPath) {
String fileid = null;
try {
// 先上传
fileid = uploadFile(fullPath);
if (fileid == null) {
return null;
}
// 再删除
int delResult = deleteFile(oldFileId);
if (delResult != 0) {
return null;
}
} catch (Exception ex) {
logger.error(ex);
return null;
}
return fileid;
}
/**
*
* @Title: downloadFile
* @Description: 文件下载
* @param fileId
* @return
* @return: InputStream
*/
public static InputStream downloadFile(String fileId) {
try {
byte[] bytes = storageClient1.download_file1(fileId);
InputStream inputStream = new ByteArrayInputStream(bytes);
return inputStream;
} catch (Exception ex) {
logger.error(ex);
return null;
}
}
/**
*
* @Title: getFileExt
* @Description: 获取文件后缀名（不带点）.
* @param fileName
* @return
* @return: String
*/
private static String getFileExt(String fileName) {
if (StringUtils.isBlank(fileName) || !fileName.contains(".")) {
return "";
} else {
return fileName.substring(fileName.lastIndexOf(".") + 1); // 不带最后的点
}
}
}
package com.sun.dfs.test;
import java.io.File;
import java.io.InputStream;
import org.apache.commons.io.FileUtils;
import com.sun.dfs.utils.FastDFSClient;
/**
*
* @ClassName: FastDFSTest
* @Description: TODO
* @author: sunqz
* @date: 2017-6-3 下午4:03:13
*/
public class FastDFSTest {
/**
* 上传测试.
* @throws Exception
*/
public static void upload() throws Exception {
String fullPath = "C:/Users/Dell/Desktop/1.jpg";
File file = new File(fullPath);
String fileId = FastDFSClient.uploadFile(fullPath);
System.out.println("Upload local file " + fullPath + " ok, fileid=" + fileId);
}
/**
* 下载测试.
* @throws Exception
*/
public static void download() throws Exception {
String fileId = "group2/M00/00/00/wKgB-lkdxUmAPb-QAAIbD3CxJDw317.jpg";
InputStream inputStream = FastDFSClient.downloadFile(fileId);
File destFile = new File("C:/Users/Dell/Desktop/2.jpg");
FileUtils.copyInputStreamToFile(inputStream, destFile);
}
/**
* 删除测试
* @throws Exception
*/
public static void delete() throws Exception {
String fileId = "group2/M00/00/00/wKgB-lkdxUmAPb-QAAIbD3CxJDw317.jpg";
int result = FastDFSClient.deleteFile(fileId);
System.out.println(result);
System.out.println(result == 0 ? "删除成功" : "删除失败:" + result);
}
/**
* @param args
* @throws Exception
*/
public static void main(String[] args) throws Exception {
//upload();
//download();
delete();
}
}
源码下载地址：http://download.csdn.net/detail/sunqingzhong44/9859649