小程序代码

    视频上传代码

wx.chooseVideo({

sourceType: [‘album’, ‘camera’],

compressed: true,

maxDuration: 60,

camera: ‘back’,

success: function (res) {

var tempFile = res;

var vedioName = (new Date()).getTime() + “.mp4”;

wx.uploadFile({

url: “/api/v2/uploadVideo”, //仅为示例，非真实的接口地址

filePath: tempFile.tempFilePath,

name: vedioName,

success: function (res) {

    consol.log(“上传成功”);

});

})；

});

    视频播放代码

<view class=“section”>

<video src="/api/v2/downloadFile?fileName=123.mp4"  style=‘width:100%;’ autoplay=‘true’ custom-cache="{{isCache}}" controls></video>

</view>

服务器代码

上传代码

@RequestMapping(value = “/uploadVideo”, method = RequestMethod.POST)

@ResponseBody

public void uploadVideo(HttpServletRequest request) throws Exception {

DiskFileItemFactory fileItemFactory =  new DiskFileItemFactory();

        ServletFileUpload fileUpload = new ServletFileUpload(fileItemFactory);

        fileUpload.setHeaderEncoding(“UTF-8”);

        List<FileItem> list = fileUpload.parseRequest(request);

        Map<String,String> map = new HashMap<String,String>();

        String fileName = null;

        for (FileItem fileItem : list) {

            if(fileItem.isFormField()){

                //如果是表单项

                String name = fileItem.getFieldName();

                String string = fileItem.getString(“utf-8”);

                //表单项的集合

                map.put(name, string);

            }else{

                //上传项

                fileName = fileItem.getName();

                InputStream is = fileItem.getInputStream();

                // 获得文件要上传的路径（后面的路径可以自定义）:

                String pathPre = “/opt/tomcat_web/”;

        String filePath = pathPre + fileName;

                OutputStream os = new FileOutputStream(filePath);

                byte[] byts = new byte[1024];

                int len = 0;

                while ( (len = is.read(byts)) != -1 ) {

                    os.write(byts, 0, len);

                    os.flush();

                }

                is.close();

                os.close();

            }

        }

}

下载代码

@RequestMapping(value = “/downloadFile”, method = RequestMethod.GET)

public void downloadFile(@RequestParam String fileName, HttpServletRequest request, HttpServletResponse response) throws Exception{

        // 下载文件，从服务器端读取文件，将文件内容写回客户端

        String pathPre = “/opt/tomcat_web/”;

        String filePath = pathPre + fileName;

        InputStream in = new BufferedInputStream(new FileInputStream(filePath));

        String header = “attachment; filename=\”" + fileName + “\”";

        response.setHeader(“Content-Disposition”, header);

        response.setContentType(“application/octet-stream; charset=utf-8”);

        OutputStream out = response.getOutputStream();

        int temp;

        while ((temp = in.read()) != -1) {

            out.write(temp);

        }

        out.close();

        in.close();

}