text: export function WSSHClient() {
  };
  
  WSSHClient.prototype._generateEndpoint = function () {
    var protocol = 'ws://';
    if (window.location.protocol === 'https:') {
      protocol = 'wss://';
    }
    var endpoint = protocol + 'localhost:8081' + '/webssh';
    return endpoint;
  };
  
  WSSHClient.prototype.connect = function (options) {
    var endpoint = this._generateEndpoint();
  
    if (window.WebSocket) {
      //如果支持websocket
      this._connection = new WebSocket(endpoint);
    } else {
      //否则报错
      options.onError('WebSocket Not Supported');
      return;
    }
  
    this._connection.onopen = function () {
      options.onConnect();
    };
  
    this._connection.onmessage = function (evt) {
      var data = evt.data.toString();
      //data = base64.decode(data);
      options.onData(data);
    };
  
  
    this._connection.onclose = function (evt) {
      options.onClose();
    };
  };
  
  WSSHClient.prototype.send = function (data) {
    this._connection.send(JSON.stringify(data));
  };
  
  WSSHClient.prototype.sendInitData = function (options) {
    //连接参数
    this._connection.send(JSON.stringify(options));
  }
  
  WSSHClient.prototype.sendClientData = function (data) {
    //发送指令
    this._connection.send(JSON.stringify({"operate": "command", "command": data}))
  }
  
  