var net = require('net');
var port = 57612;
var host = '127.0.0.1';
var client = new net.Socket(); //创建socket客户端
//连接到服务端
client.connect(port, host, function () {
client.write('hello server'); //向端口写入数据到达服务端
});
client.on('data', function (data) {
console.log('from server:' + data);
//得到服务端返回来的数据
});
client.on('error', function (error) {
//错误出现之后关闭连接
console.log('error:' + error);
client.destory();
});
client.on('close', function () {
//正常关闭连接
console.log('Connection closed');
});