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SpringBoot+阿里云OSS实现在线视频播放的示例

时间：2020-11-29来源：www.pcxitongcheng.com作者：电脑系统城

阿里云 OSS 是一种云存储技术，你可以理解为云盘，我们的目标是将视频存储到云端，然后在前端读取并播放视频。

OSS

首先登陆首页，创建一个存储桶：https://oss.console.aliyun.com

然后找到读写权限：

将读写权限设置为公共读即可：

在 RAM 中新建一个用户：

为其添加权限，选择 OSS 的权限：

然后点进去这个用户，找到 AccessKey：

创建之后记下来 secret ，因为他只出现一次，如果没记住也没事，可以重新创建新的 key。

下面开始编写服务端代码：

POM

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<dependency>
<groupId>com.aliyun.oss</groupId>
<artifactId>aliyun-sdk-oss</artifactId>
<version>3.10.2</version>
</dependency>

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125 package com.lsu.file.controller.admin;

import com.alibaba.fastjson.JSONObject;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.model.AppendObjectRequest;
import com.aliyun.oss.model.AppendObjectResult;
import com.aliyun.oss.model.ObjectMetadata;
import com.aliyun.oss.model.PutObjectRequest;
import com.lsu.server.dto.FileDto;
import com.lsu.server.dto.ResponseDto;
import com.lsu.server.enums.FileUseEnum;
import com.lsu.server.service.FileService;
import com.lsu.server.util.Base64ToMultipartFile;
import com.lsu.server.util.UuidUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import javax.annotation.Resource;
import java.io.ByteArrayInputStream;

/**
* @author wsuo
*/
@RestController
@RequestMapping("/admin")
public class OssController {

private static final Logger LOG = LoggerFactory.getLogger(FileController.class);

@Value("${oss.accessKeyId}")
private String accessKeyId;

@Value("${oss.accessKeySecret}")
private String accessKeySecret;

@Value("${oss.endpoint}")
private String endpoint;

@Value("${oss.bucket}")
private String bucket;

@Value("${oss.domain}")
private String ossDomain;

public static final String BUSINESS_NAME = "OSS文件上传";

@Resource
private FileService fileService;

@PostMapping("/oss-append")
public ResponseDto<FileDto> fileUpload(@RequestBody FileDto fileDto) throws Exception {
LOG.info("上传文件开始");
String use = fileDto.getUse();
String key = fileDto.getKey();
String suffix = fileDto.getSuffix();
Integer shardIndex = fileDto.getShardIndex();
Integer shardSize = fileDto.getShardSize();
String shardBase64 = fileDto.getShard();
MultipartFile shard = Base64ToMultipartFile.base64ToMultipart(shardBase64);

FileUseEnum useEnum = FileUseEnum.getByCode(use);
String dir = useEnum.name().toLowerCase();

String path = dir +
"/" +
key +
"." +
suffix;

// 创建OSSClient实例。
OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);

ObjectMetadata meta = new ObjectMetadata();
// 指定上传的内容类型。
meta.setContentType("text/plain");

// 通过AppendObjectRequest设置多个参数。
AppendObjectRequest appendObjectRequest = new AppendObjectRequest(bucket, path, new ByteArrayInputStream(shard.getBytes()), meta);

appendObjectRequest.setPosition((long) ((shardIndex - 1) * shardSize));
AppendObjectResult appendObjectResult = ossClient.appendObject(appendObjectRequest);
// 文件的64位CRC值。此值根据ECMA-182标准计算得出。
System.out.println(appendObjectResult.getObjectCRC());
System.out.println(JSONObject.toJSONString(appendObjectResult));

ossClient.shutdown();

LOG.info("保存文件记录开始");
fileDto.setPath(path);
fileService.save(fileDto);

ResponseDto<FileDto> responseDto = new ResponseDto<>();
fileDto.setPath(ossDomain + path);
responseDto.setContent(fileDto);
return responseDto;
}

@PostMapping("/oss-simple")
public ResponseDto<FileDto> fileUpload(@RequestParam MultipartFile file, String use) throws Exception {
LOG.info("上传文件开始");
FileUseEnum useEnum = FileUseEnum.getByCode(use);
String key = UuidUtil.getShortUuid();
String fileName = file.getOriginalFilename();
String suffix = fileName.substring(fileName.lastIndexOf(".") + 1).toLowerCase();
String dir = useEnum.name().toLowerCase();
String path = dir + "/" + key + "." + suffix;

// 创建OSSClient实例。
OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);
PutObjectRequest putObjectRequest = new PutObjectRequest(bucket, path, new ByteArrayInputStream(file.getBytes()));
ossClient.putObject(putObjectRequest);

ResponseDto<FileDto> responseDto = new ResponseDto<>();
FileDto fileDto = new FileDto();
fileDto.setPath(ossDomain + path);
responseDto.setContent(fileDto);

return responseDto;
}
}

这部分内容可以参考阿里云的帮助手册：https://help.aliyun.com/document_detail/32011.html?spm=a2c4g.11174283.6.915.443b7da2mfhbKq

上面写的是两个接口：

追加上传：/oss-append
简单上传：/oss-simple

注意这里的参数都已经在 yml 文件中定义了：

上面的 KeyId 和 KeySecret 就是之前在创建用户时给的那两个，填上就行了。

在前端我们就可以发送请求获取数据，注意这里的对象是我自定义的，大家可以根据项目需求自行设置。

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7 _this.$ajax.post(process.env.VUE_APP_SERVER + '/file/admin/oss-simple', formData).then(response => {
Loading.hide();
let resp = response.data;
_this.afterUpload(resp);
// 清空原来控件中的值
$("#" + _this.inputId + "-input").val("");
})

视频点播

VOD 是另一种视频存储的形式，它的功能更丰。阿里云视频点播（VOD）是集音视频上传、自动化转码处理、媒体资源管理、分发加速于一体的全链路音视频点播服务。

我们同样需要一个 VOD 的用户，给它赋予 VOD 的权限：

SDK 的使用可以参考文档：https://help.aliyun.com/document_detail/61063.html?spm=a2c4g.11186623.6.921.418f192bTDCIJN

我们可以在转码组设置自己的模板，然后通过 ID 在代码中使用：

上传视频比较简单，和 OSS 很像，但是播放视频要多一个条件，在获取播放链接之前要先取得权限认证，所以下面单独写了一个 /get-auth/{vod} 接口，其中的参数就是 vod 的 ID，这个 ID 在我们上传视频之后会作为返回值返回的。

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121 package com.lsu.file.controller.admin;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.aliyun.oss.OSSClient;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.vod.model.v20170321.CreateUploadVideoResponse;
import com.aliyuncs.vod.model.v20170321.GetMezzanineInfoResponse;
import com.aliyuncs.vod.model.v20170321.GetVideoPlayAuthResponse;
import com.lsu.server.dto.FileDto;
import com.lsu.server.dto.ResponseDto;
import com.lsu.server.enums.FileUseEnum;
import com.lsu.server.service.FileService;
import com.lsu.server.util.Base64ToMultipartFile;
import com.lsu.server.util.VodUtil;
import org.apache.commons.codec.binary.Base64;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import javax.annotation.Resource;

/**
* @author wsuo
*/
@RestController
@RequestMapping("/admin")
public class VodController {

private static final Logger LOG = LoggerFactory.getLogger(FileController.class);

@Value("${vod.accessKeyId}")
private String accessKeyId;

@Value("${vod.accessKeySecret}")
private String accessKeySecret;

public static final String BUSINESS_NAME = "VOD视频上传";

@Resource
private FileService fileService;

@PostMapping("/vod")
public ResponseDto<FileDto> fileUpload(@RequestBody FileDto fileDto) throws Exception {
String use = fileDto.getUse();
String key = fileDto.getKey();
String suffix = fileDto.getSuffix();
Integer shardIndex = fileDto.getShardIndex();
Integer shardSize = fileDto.getShardSize();
String shardBase64 = fileDto.getShard();
MultipartFile shard = Base64ToMultipartFile.base64ToMultipart(shardBase64);

FileUseEnum useEnum = FileUseEnum.getByCode(use);
String dir = useEnum.name().toLowerCase();

String path = dir +
"/" +
key +
"." +
suffix;

//需要上传到VOD的本地视频文件的完整路径，需要包含文件扩展名
String vod = "";
String fileUrl = "";
try {
// 初始化VOD客户端并获取上传地址和凭证
DefaultAcsClient vodClient = VodUtil.initVodClient(accessKeyId, accessKeySecret);
CreateUploadVideoResponse createUploadVideoResponse = VodUtil.createUploadVideo(vodClient, path);
// 执行成功会返回VideoId、UploadAddress和UploadAuth
vod = createUploadVideoResponse.getVideoId();
JSONObject uploadAuth = JSONObject.parseObject(
Base64.decodeBase64(createUploadVideoResponse.getUploadAuth()), JSONObject.class);
JSONObject uploadAddress = JSONObject.parseObject(
Base64.decodeBase64(createUploadVideoResponse.getUploadAddress()), JSONObject.class);
// 使用UploadAuth和UploadAddress初始化OSS客户端
OSSClient ossClient = VodUtil.initOssClient(uploadAuth, uploadAddress);
// 上传文件，注意是同步上传会阻塞等待，耗时与文件大小和网络上行带宽有关
if (shard != null) {
VodUtil.uploadLocalFile(ossClient, uploadAddress, shard.getInputStream());
}
System.out.println("上传视频成功, vod : " + vod);
GetMezzanineInfoResponse response = VodUtil.getMezzanineInfoResponse(vodClient, vod);
System.out.println("获取视频信息 response = " + JSON.toJSONString(response));
fileUrl = response.getMezzanine().getFileURL();
ossClient.shutdown();
} catch (Exception e) {
System.out.println("上传视频失败, ErrorMessage : " + e.getLocalizedMessage());
}

fileDto.setPath(path);
fileDto.setVod(vod);
fileService.save(fileDto);
ResponseDto<FileDto> responseDto = new ResponseDto<>();
fileDto.setPath(fileUrl);
responseDto.setContent(fileDto);
return responseDto;
}

@RequestMapping(value = "/get-auth/{vod}", method = RequestMethod.GET)
public ResponseDto<String> getAuth(@PathVariable String vod) {
LOG.info("获取播放授权开始");
ResponseDto<String> responseDto = new ResponseDto<>();
DefaultAcsClient client = VodUtil.initVodClient(accessKeyId, accessKeySecret);
GetVideoPlayAuthResponse response;
try {
response = VodUtil.getVideoPlayAuthResponse(client, vod);
String playAuth = response.getPlayAuth();
//播放凭证
LOG.info("授权码 = {}", playAuth);
responseDto.setContent(playAuth);
//VideoMeta信息
LOG.info("VideoMeta信息 = {}", response.getVideoMeta().getTitle());
} catch (Exception e) {
System.out.print("ErrorMessage = " + e.getLocalizedMessage());
}
LOG.info("获取播放授权结束");
return responseDto;
}
}

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53 methods: {
playUrl(url) {
let _this = this;
console.log("开始播放:", url);
// 如果已经有播放器了就将播放器删除
if (_this.aliPlayer) {
_this.aliPlayer = null;
$("#" + _this.playerId + '-player').remove();
}
// 初始化播放器
$("#" + _this.playerId).append("<div class=\"prism-player\" id=\"" + _this.playerId + "-player\"></div>");
_this.aliPlayer = new Aliplayer({
id: _this.playerId + '-player',
width: '100%',
autoplay: true,
//支持播放地址播放,此播放优先级最高
source: url,
cover: 'http://liveroom-img.oss-cn-qingdao.aliyuncs.com/logo.png'
}, function (player) {
console.log("播放器创建好了")
})
},
playVod(vod) {
let _this = this;
Loading.show();
_this.$ajax.get(process.env.VUE_APP_SERVER + '/file/admin/get-auth/' + vod).then((response) => {
Loading.hide();
let resp = response.data;
if (resp.success) {
//如果已经有播放器了，则将播放器div删除
if (_this.aliPlayer) {
_this.aliPlayer = null;
$("#" + _this.playerId + '-player').remove();
}
// 初始化播放器
$("#" + _this.playerId).append("<div class=\"prism-player\" id=\"" + _this.playerId + "-player\"></div>");
_this.aliPlayer = new Aliplayer({
id: _this.playerId + '-player',
width: '100%',
autoplay: false,
vid: vod,
playauth: resp.content,
cover: 'http://liveroom-img.oss-cn-qingdao.aliyuncs.com/logo.png',
encryptType: 1, //当播放私有加密流时需要设置。
}, function (player) {
console.log('播放器创建好了。')
});
} else {
Toast.warning('播放错误。')
}
});
}
},