鸿蒙开发JS跨段迁移怎么把视频src的url传给远端,给出代码实现
时间: 2024-02-19 21:00:51 浏览: 22
以下是基于HAP协议的DataChannel实现视频src的url传输的代码示例:
发送端代码:
```javascript
// 建立P2P连接
let peer = new ohos.net.Peer();
let remoteDeviceId = "remote_device_id"; // 远端设备ID
let capability = new ohos.net.Capability();
let connection = peer.createConnection(remoteDeviceId, capability);
// 创建DataChannel对象
let dataChannel = connection.createDataChannel("video_src");
// 发送视频src的url
let videoSrcUrl = "http://example.com/video.mp4";
dataChannel.send(videoSrcUrl);
```
接收端代码:
```javascript
// 建立P2P连接
let peer = new ohos.net.Peer();
let remoteDeviceId = "remote_device_id"; // 发送端设备ID
let capability = new ohos.net.Capability();
let connection = peer.createConnection(remoteDeviceId, capability);
// 创建DataChannel对象
let dataChannel = connection.createDataChannel("video_src");
// 接收视频src的url
dataChannel.onmessage = function(event) {
let videoSrcUrl = event.data;
// 在页面中加载视频
let video = document.createElement("video");
video.src = videoSrcUrl;
document.body.appendChild(video);
};
```
需要注意的是,以上代码仅为示例代码,实际使用时需要根据具体场景进行修改和完善。同时,代码中的设备ID、视频src的url等信息需要根据实际情况进行填写。