fastdfs java工个类

import com.github.tobato.fastdfs.domain.fdfs.MetaData;
import com.github.tobato.fastdfs.domain.fdfs.StorePath;
import com.github.tobato.fastdfs.domain.proto.storage.DownloadByteArray;
import com.github.tobato.fastdfs.service.FastFileStorageClient;
import org.apache.commons.io.FilenameUtils;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.net.URLEncoder;
import java.util.HashSet;
import java.util.Set;

@Component
public class FastdfsUtils {


    public static final String DEFAULT_CHARSET = "UTF-8";

    @Autowired
    private FastFileStorageClient fastFileStorageClient;

    /**
     * 上传
     * @param file
     * @return
     * @throws IOException
     */
    public StorePath upload(MultipartFile file) throws IOException {
        // 设置文件信息
        Set<MetaData> mataData = new HashSet<>();
        mataData.add(new MetaData("author", "fastdfs"));
        mataData.add(new MetaData("description",file.getOriginalFilename()));
        // 上传
        StorePath storePath = fastFileStorageClient.uploadFile(
                file.getInputStream(), file.getSize(),
                FilenameUtils.getExtension(file.getOriginalFilename()),
                null);
        return storePath;
    }

    /**
     * 删除
     * @param path
     */
    public void delete(String path) {
        fastFileStorageClient.deleteFile(path);
    }

    /**
     * 删除
     * @param group
     * @param path
     */
    public void delete(String group,String path) {
        fastFileStorageClient.deleteFile(group,path);
    }

    /**
     * 文件下载
     * @param path 文件路径，例如：/group1/path=M00/00/00/itstyle.png
     * @param filename 下载的文件命名
     * @return
     */
    public void download(String path, String filename, HttpServletResponse response) throws IOException {
        // 获取文件
        StorePath storePath = StorePath.parseFromUrl(path);
        if (StringUtils.isBlank(filename)) {
            filename = FilenameUtils.getName(storePath.getPath());
        }
        byte[] bytes = fastFileStorageClient.downloadFile(storePath.getGroup(), storePath.getPath(), new DownloadByteArray());
        response.reset();
        response.setContentType("applicatoin/octet-stream");
        response.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(filename, "UTF-8"));
        ServletOutputStream out = response.getOutputStream();
        out.write(bytes);
        out.close();
    }

}

配置文件

# ===================================
# 分布式文件系统FDFS配置
# ===================================
## 连接超时时间
#  fdfs.connect-timeout=600
#  # 读取超时时间
#  fdfs.so-timeout=1500
#  # 缩略图的宽高
#  fdfs.thumb-image.height=150
#  fdfs.thumb-image.width=150
#  # tracker服务配置地址列表，替换成自己服务的IP地址，支持多个
#  fdfs.tracker-list=192.168.1.142:22122
#  fdfs.pool.jmx-enabled=false
fdfs:
  connect-timeout: 600
  so-timeout: 1500
  thumb-image:
    height: 150
    width: 130
  tracker-list: 192.168.1.142:22122
  pool:
    jmx-enabled: false