java客户端操作fastdfs集群

pom文件配置

<dependencies><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>4.11</version></dependency><dependency><groupId>commons-fileupload</groupId><artifactId>commons-fileupload</artifactId><version>1.3.1</version></dependency><dependency><groupId>commons-io</groupId><artifactId>commons-io</artifactId><version>2.0.1</version></dependency><dependency><groupId>org.apache.commons</groupId><artifactId>commons-lang3</artifactId><version>3.1</version></dependency><dependency><groupId>commons-logging</groupId><artifactId>commons-logging</artifactId><version>1.1.3</version></dependency><dependency><groupId>log4j</groupId><artifactId>log4j</artifactId><version>1.2.17</version></dependency><dependency><groupId>org.slf4j</groupId><artifactId>slf4j-api</artifactId><version>1.7.5</version></dependency><dependency><groupId>org.slf4j</groupId><artifactId>slf4j-log4j12</artifactId><version>1.7.5</version></dependency><!-- https://mvnrepository.com/artifact/com.github.tobato/fastdfs-client --><dependency><groupId>org.csource</groupId><artifactId>fastdfs-client-java</artifactId><version>v1.24</version></dependency></dependencies>

fdfs_client.conf  文件：

connect_timeout = 10network_timeout = 30charset = UTF-8http.tracker_http_port = 8080http.anti_steal_token = nohttp.secret_key = FastDFS1234567890tracker_server = 192.168.1.251:22122tracker_server = 192.168.1.252:22122

client 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}}}

测试代码：

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