教育项目--小节模块--视频点播【35】

缺乏、安全感 2023-10-05 19:09 19阅读 0赞

#### 视频点播 ####

*  service
 *  serviceIMpl
 *  controller
 *  utils
 *  测试

## service ##

package com.djr.vodservice.service;
    
    import org.springframework.web.multipart.MultipartFile;
    
    public interface VodService {
        
        /**
         * 上传视频到阿里云
         * @param file
         * @return
         */
        String uploadVideoAly(MultipartFile file);
    
    
    }

## serviceIMpl ##

package com.djr.vodservice.service.impl;
    
    import com.aliyun.vod.upload.impl.UploadVideoImpl;
    import com.aliyun.vod.upload.req.UploadStreamRequest;
    import com.aliyun.vod.upload.resp.UploadStreamResponse;
    import com.djr.vodservice.utils.ConstantVodUtils;
    import com.djr.vodservice.service.VodService;
    import org.springframework.stereotype.Service;
    import org.springframework.web.multipart.MultipartFile;
    
    import java.io.InputStream;
    
    /**
     *  小节视频上传
     * @author lenovo
     */
    @Service
    public class VodServiceImpl implements VodService {
        
    
        @Override
        public String uploadVideoAly(MultipartFile file) {
        
    
            try {
        
                //accessKeyId, accessKeySecret
                //fileName：上传文件原始名称
                // 01.03.09.mp4
                String fileName = file.getOriginalFilename();
                //title：上传之后显示名称
                String title = fileName.substring(0, fileName.lastIndexOf("."));
                //inputStream：上传文件输入流
                InputStream inputStream = file.getInputStream();
                UploadStreamRequest request = new UploadStreamRequest(ConstantVodUtils.ACCESS_KEY_ID,ConstantVodUtils.ACCESS_KEY_SECRET, title, fileName, inputStream);
    
                UploadVideoImpl uploader = new UploadVideoImpl();
                UploadStreamResponse response = uploader.uploadStream(request);
    
                String videoId = null;
                if (response.isSuccess()) {
        
                    videoId = response.getVideoId();
                } else {
         //如果设置回调URL无效，不影响视频上传，可以返回VideoId同时会返回错误码。其他情况上传失败时，VideoId为空，此时需要根据返回错误码分析具体错误原因
                    videoId = response.getVideoId();
                }
                return videoId;
            }catch(Exception e) {
        
                e.printStackTrace();
                return null;
            }
    
        }
    }

## controller ##

package com.djr.vodservice.controller;
    
    
    import com.djr.commonutils.R;
    import com.djr.vodservice.service.VodService;
    import io.swagger.annotations.Api;
    import io.swagger.annotations.ApiOperation;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.web.bind.annotation.CrossOrigin;
    import org.springframework.web.bind.annotation.PostMapping;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.RestController;
    import org.springframework.web.multipart.MultipartFile;
    
    /**
     *  视频点播
     * @author lenovo
     */
    @RestController
    @RequestMapping("/edu_vod/video")
    @CrossOrigin
    @Api(description = "视频点播模块")
    public class VodController {
        
    
        @Autowired
        private VodService vodService;
    
        /**
         * 上传视频到阿里云
         * @param file 文件
         * @return 结果
         */
        @ApiOperation(value = "上传视频到阿里云")
        @PostMapping("/uploadAliVideo")
        public R uploadAliVideo(MultipartFile file) {
        
            //返回上传视频id
            String videoId = vodService.uploadVideoAly(file);
            return R.ok()
                    .data("videoId",videoId);
        }
    }

## utils ##

package com.djr.vodservice.utils;
    
    
    import org.springframework.beans.factory.InitializingBean;
    import org.springframework.beans.factory.annotation.Value;
    import org.springframework.stereotype.Component;
    
    @Component
    public class ConstantVodUtils implements InitializingBean {
        
    
        @Value("${aliyun.vod.file.keyid}")
        private String keyid;
    
        @Value("${aliyun.vod.file.keysecret}")
        private String keysecret;
    
        public static String ACCESS_KEY_SECRET;
        public static String ACCESS_KEY_ID;
    
        @Override
        public void afterPropertiesSet() throws Exception {
        
            ACCESS_KEY_ID = keyid;
            ACCESS_KEY_SECRET = keysecret;
        }
    }

## 测试 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0phdmFiYWliYWk_size_16_color_FFFFFF_t_70]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0phdmFiYWliYWk_size_16_color_FFFFFF_t_70]: https://img-blog.csdnimg.cn/20210204145544183.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0phdmFiYWliYWk=,size_16,color_FFFFFF,t_70