esp8266_send_cmd("AT+CIPMUX=0","OK",200); //是否开启透传模式:1:开启 0:否 esp8266_send_cmd("AT+CIPMODE=1","OK",200); //建立TCP连接 while(esp8266_send_cmd("AT+CIPSTART=\"TCP\",\"xxx.xxx.xxx.xxx\",xxxx","CONNECT",200)); //透传模式下可以发送数据的指令 esp8266_send_cmd(...