react-native-ali-smartliving/simSocketDevice/client.js

Component implementation for smartliving WiFi SDK of Ali fy platform

var net = require('net');
var port = process.env.PORT || 8821;
var host = process.env.HOST || '127.0.0.1';
var client = new net.Socket();
// 创建socket客户端
client.setEncoding('binary');
// 连接到服务端
client.connect(port, host, function () {
  console.log(
    'connected server ' + host + ':' + port,
  );
  // 向端口写入数据到达服务端
  client.write(JSON.stringify({hello: 'server'}));
});
client.on('data', function (data) {
  // 得到服务端返回来的数据
  console.log('from server ' + data);
});
client.on('error', function (exception) {
  // 错误出现之后关闭连接
  console.log('socket error ' + exception);
  client.destory();
});
client.on('close', function () {
  // 正常关闭连接
  console.log('Connection closed');
});