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sp.Write("02 3031 3030 30 30313031 433030303030 3030 30303031 03 400045345353500");
//开启接收数据线程
// ReceiveData(sp);
// byte[] datas ={ 0x02,0x30,0x31,0x30,0x30,0x30,0x30,0x31,0x30,0x31,0x43,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x31,0x03,0x40};
// sp.Write(datas,0,datas.Length);
不知道是不是发的字符串的原因,我又试着发字节,效果一样,还是连接收事件触发不了