websocket 用c++编写客户端的问题

CSocket sockect;
sockect.Create();
CString ip =_T( "192.168.0.157");
bool ret = sockect.Connect(ip,8080);
if (ret)
{
Json::Value root;
root["lsh"] = "1234567890123";
root["clbh"] = "j001";
root["clbh"] = "j001";
root["kskm"] = "1";
root["sfzhm"] = "12345678";
root["kssj"] = "2015/11/25 9:52:12";
root["czlx"] = "0";

    string ss = root.toStyledString();
    string strlen;

    int len = ss.size();
    stringstream temp;
    temp.fill('0');
    temp.width(4);
    temp << len;
    temp >> strlen;

    // char *p = new char[len + 10];
    string data = "$$";
    data.append("12");
    data.append(strlen);
    data.append(ss);
    data.append("FF");
    sockect.Send(data.c_str(), data.size());
    sockect.Close();
}