fastdfs和spring整合

上传下载文件接口

package com.mark.demo.dfs.service;import java.io.ByteArrayInputStream;import java.io.IOException;import java.io.InputStream;import java.nio.charset.Charset;import java.util.Set;import javax.servlet.http.HttpServletResponse;import org.apache.commons.io.FilenameUtils;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Component;import org.springframework.web.multipart.MultipartFile;import com.github.tobato.fastdfs.domain.MateData;import com.github.tobato.fastdfs.domain.StorePath;import com.github.tobato.fastdfs.exception.FdfsUnsupportStorePathException;import com.github.tobato.fastdfs.proto.storage.DownloadByteArray;import com.github.tobato.fastdfs.proto.storage.DownloadFileWriter;import com.github.tobato.fastdfs.service.FastFileStorageClient;import com.mark.demo.dfs.utils.StringUtils;/**hxp([e-mail])*2017年9月12日*客户端主要包括以下接口： TrackerClient - TrackerServer接口 GenerateStorageClient - 一般文件存储接口 (StorageServer接口) FastFileStorageClient - 为方便项目开发集成的简单接口(StorageServer接口) AppendFileStorageClient - 支持文件续传操作的接口 (StorageServer接口)**/@Componentpublic class FastDFSClientWrapper {private final Logger logger = LoggerFactory.getLogger(FastDFSClientWrapper.class);    @Autowired    private FastFileStorageClient storageClient;    /**     * 上传文件     * @param file 文件对象     * @return 文件访问地址     * @throws IOException     */    public String uploadFile(MultipartFile file) throws IOException {        StorePath storePath = storageClient.uploadFile(file.getInputStream(),file.getSize(), FilenameUtils.getExtension(file.getOriginalFilename()),null);        return storePath.getFullPath();    }        public byte[] downloadFile(String path){    StorePath storePath = StorePath.praseFromUrl(path);    DownloadByteArray downloadByteArray = new DownloadByteArray();    byte[]data= storageClient.downloadFile(storePath.getGroup(), storePath.getPath(), downloadByteArray);    return data;    }       /* private String getGroupName(String path){    int groupIndex=path.indexOf("group");    int groupIndexEnd=path.indexOf("/", groupIndex);    return path.substring(groupIndex,groupIndexEnd);    }        private String getFilePath(String path,String groupName){    return path.substring(path.indexOf(groupName)+groupName.length()+1);    }*/    /**     * 将一段字符串生成一个文件上传     * @param content 文件内容     * @param fileExtension     * @return     */    public String uploadFile(String content, String fileExtension) {        byte[] buff = content.getBytes(Charset.forName("UTF-8"));        ByteArrayInputStream stream = new ByteArrayInputStream(buff);        StorePath storePath = storageClient.uploadFile(stream,buff.length, fileExtension,null);        return storePath.getFullPath();    }        public String uploadFile(InputStream inputStream, long fileSize, String fileExtName, Set<MateData> metaDataSet){    StorePath storePath =storageClient.uploadFile(inputStream, fileSize, fileExtName, metaDataSet);    return storePath.getFullPath();    }    /**     * 删除文件     * @param fileUrl 文件访问地址     * @return     */    public void deleteFile(String fileUrl) {        if (StringUtils.isEmpty(fileUrl)) {            return;        }        try {            StorePath storePath = StorePath.praseFromUrl(fileUrl);            storageClient.deleteFile(storePath.getGroup(), storePath.getPath());        } catch (FdfsUnsupportStorePathException e) {            logger.warn(e.getMessage());        }    }        public Set<MateData> getMetadata(String groupName, String path){    return storageClient.getMetadata(groupName, path);    }             // 上传图片并同时生成一个缩略图    public String uploadImageAndCrtThumbImage(InputStream inputStream, long fileSize, String fileExtName,                Set<MateData> metaDataSet){     StorePath storePath =storageClient.uploadImageAndCrtThumbImage(inputStream, fileSize, fileExtName, metaDataSet);     return storePath.getFullPath();    }}

spring配置文件

<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans"       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"       xmlns:context="http://www.springframework.org/schema/context"       xmlns:task="http://www.springframework.org/schema/task"       xsi:schemaLocation="http://www.springframework.org/schema/beans            http://www.springframework.org/schema/beans/spring-beans-3.0.xsd            http://www.springframework.org/schema/context            http://www.springframework.org/schema/context/spring-context-3.2.xsd            http://www.springframework.org/schema/task            http://www.springframework.org/schema/task/spring-task-3.2.xsd"><!--配置扫描包-->    <context:component-scan base-package="com.github.tobato.fastdfs.service,com.github.tobato.fastdfs.domain"/>         <!--配置连接管理器-->    <bean id="trackerConnectionManager" class="com.github.tobato.fastdfs.conn.TrackerConnectionManager">        <constructor-arg name="pool" ref="fdfsConnectionPool">        </constructor-arg>        <!--配置fastDFS tracker 服务器 ip:port 地址-->        <property name="trackerList">            <list>                <value>192.168.198.128:22122</value>            </list>        </property>    </bean>    <!--配置连接池-->    <bean id="fdfsConnectionPool" class="com.github.tobato.fastdfs.conn.FdfsConnectionPool">        <!--注入连接池配置-->        <constructor-arg name="config" >            <bean class="com.github.tobato.fastdfs.conn.ConnectionPoolConfig"/>        </constructor-arg>        <!--注入连接池工厂-->        <constructor-arg name="factory" >            <bean class="com.github.tobato.fastdfs.conn.PooledConnectionFactory"/>        </constructor-arg>    </bean></beans>