阿里云oss文件存储

package com.cqcfs.storage.oss.service;

import java.io.InputStream;

/**
 * 文件上传接口
 *
 * @author kongweichun
 * @date 2017-12-14-上午10:45
 */
public interface FileStorage{

    /**
     * 上传文件
     *
     * @param fileBytes 文件的字节数组
     * @param key       文件名
     * @return 文件标识的唯一id
     * @author LIQIU
     * @Date 2017/12/14 上午11:28
     */
    void store(byte[] fileBytes, String key);

    /**
     * 存储输入流
     *
     * @param input
     * @param key
     */
    void store(InputStream input, String key);

    /**
     * 下载文件
     *
     * @param key 文件名(带后缀名的)
     * @author LIQIU
     * @Date 2017/12/14 上午11:28
     */
    byte[] getBytes(String key);

    /**
     * 通过KEY删除文件
     *
     * @param key
     */
    void remove(String key);

    /**
     * 获取输入流
     *
     * @param key
     * @return
     */
    InputStream getInputStream(String key);

    /**
     * 获取下载链接
     *
     * @param key
     * @return
     */
    String getDownloadUrl(String key);

}

package com.cqcfs.storage.oss.service.imp;

import com.aliyun.oss.OSSClient;
import com.aliyun.oss.model.Bucket;
import com.aliyun.oss.model.BucketInfo;
import com.aliyun.oss.model.OSSObject;
import com.cqcfs.storage.oss.service.FileStorage;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;

import javax.annotation.PreDestroy;
import java.io.*;

/**
 * 阿里云文件上传
 *
 * @author kongweichun
 * @date 2017-12-14-上午10:53
 */
@Service
public class AliyunFileStorage implements FileStorage {

    @Value("${aliyun.file.storage.accesssKey}")
    private String accessKey;
    @Value("${aliyun.file.storage.accessKeySecret}")
    private String accessKeySecret;
    @Value("${aliyun.file.storage.endpoint}")
    private String endpoint;

    /**
     * oss的bucket名称
     */
    private String bucketName = "cqcfs-iot";


    private OSSClient getOssClient(){
        return new OSSClient(endpoint, accessKey, accessKeySecret);
    }

    /**
     * 文件上传
     * @param fileBytes 文件的字节数组
     * @param key       文件名
     */
    @Override
    public void store(byte[] fileBytes, String key) {
        getOssClient().putObject(bucketName, key, new ByteArrayInputStream(fileBytes));
    }

    /**
     * 图片上传
     * @param input
     * @param key
     */
    @Override
    public void store(InputStream input, String key) {
        getOssClient().putObject(bucketName, key, input);
    }


    /**
     * 文件下载
     * @param key 文件名(带后缀名的)
     * @return
     */
    @Override
    public byte[] getBytes(String key) {
        OSSObject ossObject = getOssClient().getObject(bucketName, key);
        BufferedReader reader = new BufferedReader(new InputStreamReader(ossObject.getObjectContent()));
        byte[] buf = new byte[1024];
        InputStream in = ossObject.getObjectContent();
        for (int n = 0; n != -1; ) {
            try {
                n = in.read(buf, 0, buf.length);
            } catch (IOException e) {
                throw new RuntimeException("download file error!");
            }
        }
        try {
            in.close();
            reader.close();
        } catch (IOException e) {
            throw new RuntimeException("download file error!");
        }
        return buf;
    }

    /**
     * 删除文件
     * @param key 文件名
     */
    @Override
    public void remove(String key) {
        getOssClient().deleteObject(bucketName, key);
    }

    /**
     * 图片下载
     * @param key 文件名
     * @return
     */
    @Override
    public InputStream getInputStream(String key) {
        return getOssClient().getObject(bucketName, key).getObjectContent();
    }

    /**
     * 获取文件下载地址
     * @param key 文件名
     * @return
     */
    @Override
    public String getDownloadUrl(String key) {
        BucketInfo bucketInfo = getOssClient().getBucketInfo(this.getBucketName());
        Bucket bucket = bucketInfo.getBucket();
        return  "http://" + bucket.getName() + "." + bucket.getExtranetEndpoint() + "/" + key;
    }


    public String getBucketName() {
        return bucketName;
    }

    public void setBucketName(String bucketName) {
        this.bucketName = bucketName;
    }

    @PreDestroy
    public void destroy() {
        getOssClient().shutdown();
    }
}

package com.cqcfs.storage.oss.server;

import com.cqcfs.framework.common.protocol.Result;
import com.cqcfs.storage.oss.model.MeterialUploadForm;
import com.cqcfs.storage.oss.service.FileStorage;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.io.InputStream;

/**
 * @author kongweichun
 * @since 2019/3/25
 */
@RestController
@RequestMapping("/file")
@Api(value = "/file" , tags = "文件管理")
public class AliyunFileStorageResource {
    @Autowired
    FileStorage fileStorage;

    @PostMapping("v1/upload")
    @ApiOperation(value = "文件上传")
    @ApiImplicitParams({
            @ApiImplicitParam(paramType = "form", dataType="file", name = "file", value = "文件", required = true),
            @ApiImplicitParam(paramType = "query",dataType = "String",name = "key",value = "文件名称",required = true)
    })
    public Result upload(MeterialUploadForm form, @RequestParam("key") String key)throws Exception{
        if (form.getFile() != null){
            byte[] bytes = form.getFile().getBytes();
            fileStorage.store(bytes,key);
            return Result.buildSuccess("OK");
        }
        return Result.buildFailure(70001,"文件为空");
    }


    @PostMapping("v1/upload/img")
    @ApiOperation(value = "图片上传")
    @ApiImplicitParams({
            @ApiImplicitParam(paramType = "form", dataType="file", name = "file", value = "文件", required = true),
            @ApiImplicitParam(paramType = "query",dataType = "String",name = "key",value = "文件名称",required = true)
    })
    public Result uploadImg(MeterialUploadForm form, @RequestParam("key") String key)throws Exception{
        if (form.getFile() != null){
            InputStream input = form.getFile().getInputStream();
            fileStorage.store(input,key);
            return Result.buildSuccess("OK");
        }
        return Result.buildFailure(70001,"文件为空");
    }


    @PostMapping("v1/get")
    @ApiOperation(value = "文件下载")
    @ApiImplicitParams({
            @ApiImplicitParam(paramType = "query",dataType = "String",name = "key",value = "文件名称",required = true)
    })
    public Result get(@RequestParam("key")String key){
        byte[] bytes = fileStorage.getBytes(key);
        return Result.buildSuccess(bytes);
    }


    @PostMapping("v1/remove")
    @ApiOperation(value = "文件删除")
    @ApiImplicitParams({
            @ApiImplicitParam(paramType = "query",dataType = "String",name = "key",value = "文件名称",required = true)
    })
    public Result remove(@RequestParam("key")String key){
        fileStorage.remove(key);
        return Result.buildSuccess("OK");
    }


    @PostMapping("v1/get/inp")
    @ApiOperation(value = "获取输入流")
    @ApiImplicitParams({
            @ApiImplicitParam(paramType = "query",dataType = "String",name = "key",value = "文件名称",required = true)
    })
    public Result getInp(@RequestParam("key")String key){
        InputStream inputStream = fileStorage.getInputStream(key);
        return Result.buildSuccess(inputStream);
    }


    @PostMapping("v1/get/url")
    @ApiOperation(value = "获取下载URL")
    @ApiImplicitParams({
            @ApiImplicitParam(paramType = "query",dataType = "String",name = "key",value = "文件名称",required = true)
    })
    public Result getUrl(String key){
        String url = fileStorage.getDownloadUrl(key);
        return Result.buildSuccess(url);
    }

}

package com.cqcfs.storage.oss.model;

import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;
import lombok.Data;
import org.springframework.web.multipart.MultipartFile;

/**
 * @author kongweichun
 * @since 2019/3/26
 */
@Data
@ApiModel(description = "材料上传form")
public class MeterialUploadForm {

    @ApiModelProperty("材料文件")
    private MultipartFile file;
}