20.fastDFS集群java代码测试

时间：2023-03-09 18:09:16
20.fastDFS集群java代码测试

1.工程结构

20.fastDFS集群java代码测试

2.代码内容

FastdfsClientTest.java代码
package cn.itcast.fastdfs.cliennt;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.UUID;
import org.csource.common.NameValuePair;
import org.csource.fastdfs.ClientGlobal;
import org.csource.fastdfs.FileInfo;
import org.csource.fastdfs.StorageClient;
import org.csource.fastdfs.StorageClient1;
import org.csource.fastdfs.StorageServer;
import org.csource.fastdfs.TrackerClient;
import org.csource.fastdfs.TrackerServer;
import org.junit.Before;
import org.junit.Test;
/**
 * 测试FastDFS  API使用
 * @FileName:FastdfsClientTest.java
 * @Description: TODO()  
 * @Author: tangwan
 * @Date: 2015年4月23日 下午1:48:45
 * @since:  JDK 1.8
 */
public class FastdfsClientTest {
public String conf_filename = null;
public String local_filename = null;
@Before
public void confInit(){
conf_filename = FastdfsClientTest.class.getResource("/fdfs_client.conf").getPath();
System.out.println("配置文件夹路径:"+conf_filename);
local_filename = "1.jpg";
System.out.println("待上传文件路径:"+local_filename);
}
// 客户端配置文件(绝对路径);使用下面注释的路径,请注释上面confInit方法
//public String conf_filename = "D:\\DebugLove\\workspace\\DEV-2\\fastdfsClient\\src\\cn\\itcast\\fastdfs\\cliennt\\fdfs_client.conf";
// 本地文件，要上传的文件
//public String local_filename = "C:\\Users\\Administrator\\Desktop\\2.jpg";
// 将字节流写到磁盘生成文件
private void saveFile(byte[] b, String path, String fileName) {
File file = new File(path + fileName);
FileOutputStream fileOutputStream = null;
try {
fileOutputStream = new FileOutputStream(file);
fileOutputStream.write(b);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
if (fileOutputStream != null) {
try {
fileOutputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
// 上传文件
//文件保存在storage设置的baseUrl下   /home/FastDFS/fdfs_storage/data/00/00包括:wKgBFVcMJNyAZtDnAASUcjwYjng393.jpg和wKgBFVcMJNyAZtDnAASUcjwYjng393.jpg-m
@Test
public void testUpload() {
//上传5次
for (int i = 0; i < 1; i++) {
try {
ClientGlobal.init(conf_filename);
TrackerClient tracker = new TrackerClient();
TrackerServer trackerServer = tracker.getConnection();
StorageServer storageServer = null;
StorageClient storageClient = new StorageClient(trackerServer, storageServer);
NameValuePair nvp[] = new NameValuePair[] { new NameValuePair("item_id", "100010"), new NameValuePair("width", "80"),
new NameValuePair("height", "90") };
String fileIds[] = storageClient.upload_file(local_filename, null, nvp);
System.out.println(fileIds.length);
System.out.println("组名：" + fileIds[0]);
System.out.println("路径: " + fileIds[1]);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
}
}
// 下载文件
@Test
public void testDownload() {
try {
ClientGlobal.init(conf_filename);
TrackerClient tracker = new TrackerClient();
TrackerServer trackerServer = tracker.getConnection();
StorageServer storageServer = null;
// StorageClient storageClient = new StorageClient(trackerServer,storageServer);
StorageClient1 storageClient = new StorageClient1(trackerServer, storageServer);
byte[] b = storageClient.download_file("group1", "M00/00/00/wKgBFVcMJN6AGuYuAASUcjwYjng476.jpg");
if (b != null) {
System.out.println(b.length);
saveFile(b, "d:\\temp\\", UUID.randomUUID().toString() + ".jpg");
}
} catch (Exception e) {
e.printStackTrace();
}
}
// 获取文件信息
@Test
public void testGetFileInfo() {
try {
ClientGlobal.init(conf_filename);
TrackerClient tracker = new TrackerClient();
TrackerServer trackerServer = tracker.getConnection();
StorageServer storageServer = null;
StorageClient storageClient = new StorageClient(trackerServer, storageServer);
FileInfo fi = storageClient.get_file_info("group1", "M00/00/00/wKgBFVcMJN6AGuYuAASUcjwYjng476.jpg");
System.out.println(fi.getSourceIpAddr());
System.out.println(fi.getFileSize());
System.out.println(fi.getCreateTimestamp());
System.out.println(fi.getCrc32());
} catch (Exception e) {
e.printStackTrace();
}
}
// 获取文件自定义的mate信息(key、value)
@Test
public void testGetFileMate() {
try {
ClientGlobal.init(conf_filename);
TrackerClient tracker = new TrackerClient();
TrackerServer trackerServer = tracker.getConnection();
StorageServer storageServer = null;
StorageClient storageClient = new StorageClient(trackerServer, storageServer);
NameValuePair nvps[] = storageClient.get_metadata("group1", "M00/00/00/wKgBFVcMJN6AGuYuAASUcjwYjng476.jpg");
if (nvps != null) {
for (NameValuePair nvp : nvps) {
System.out.println(nvp.getName() + ":" + nvp.getValue());
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
// 删除文件
//从操作系统storage节点,物理删除/home/FastDFS/fdfs_storage/data/00/00直接消失
@Test
public void testDelete() {
try {
ClientGlobal.init(conf_filename);
TrackerClient tracker = new TrackerClient();
TrackerServer trackerServer = tracker.getConnection();
StorageServer storageServer = null;
StorageClient storageClient = new StorageClient(trackerServer, storageServer);
int i = storageClient.delete_file("group1", "M00/00/00/wKgBFVcMJNyAZtDnAASUcjwYjng393.jpg");
System.out.println(i == 0 ? "删除成功" : "删除失败:" + i);
} catch (Exception e) {
e.printStackTrace();
}
}
}
2.fdfs_client.conf        #配置文件
# connect timeout in seconds
# default value is 30s
connect_timeout=30
# network timeout in seconds
# default value is 30s
network_timeout=60 
# the base path to store log files
base_path=/home/FastDFS
# tracker_server can ocur more than once, and tracker_server format is
#  "host:port", host can be hostname or ip address
tracker_server=192.168.1.20:22122
#tracker_server=192.168.101.4:22122
#standard log level as syslog, case insensitive, value list:
### emerg for emergency
### alert
### crit for critical
### error
### warn for warning
### notice
### info
### debug
log_level=info 
# if use connection pool
# default value is false
# since V4.05
use_connection_pool = false 
# connections whose the idle time exceeds this time will be closed
# unit: second
# default value is 3600
# since V4.05
connection_pool_max_idle_time = 3600
# if load FastDFS parameters from tracker server
# since V4.05
# default value is false
load_fdfs_parameters_from_tracker=false
# if use storage ID instead of IP address
# same as tracker.conf
# valid only when load_fdfs_parameters_from_tracker is false
# default value is false
# since V4.05
use_storage_id = false
# specify storage ids filename, can use relative or absolute path
# same as tracker.conf
# valid only when load_fdfs_parameters_from_tracker is false
# since V4.05
storage_ids_filename = storage_ids.conf  
#HTTP settings
http.tracker_server_port=80
#use "#include" directive to include HTTP other settiongs
##include http.conf
3.待上传文件,美女,给大家看看
20.fastDFS集群java代码测试
4.jar包下载

相关文章