SIM800A模块进行HTTP的GET和POST操作

转自：https://blog.csdn.net/qq_26602023/article/details/72898753

相关文章：Arduino Nano与SIM800C 通信

一、设置http参数命令

AT+CGATT?
+CGATT: 1
OK

AT+SAPBR=3,1,"CONTYPE","GPRS"
OK

AT+SAPBR=3,1,"APN","CMNET"
OK

AT+SAPBR=1,1  
OK

1.HTTP中的GET操作

AT+HTTPINIT                                         
OK

AT+HTTPPARA="URL","www.baidu.com/img/baidu_logo.gif"
OK

AT+HTTPACTION=0
OK                                                          // 此时等待以下信息的返回，不要操作其它

+HTTPACTION:0,200,1489                    // 获取成功

AT+HTTPREAD                                     // 读取数据

+HTTPREAD:1489
GIF89a? p蒊
…                                                           // 如果下载数据在sscom中无法看到ok返回，客户认
OK                                                            为模块问题，请选择hex显示在取消即可。

AT+HTTPTERM
OK

2.HTTP中的POST操作

AT+HTTPINIT
OK
AT+HTTPPARA="CID",1
OK
AT+HTTPPARA="URL","116.228.221.51:7015"
OK
AT+HTTPDATA=10,10000
DOWNLOAD
OK
AT+HTTPACTION=1
OK
+HTTPACTION:1,408,0
AT+HTTPTERM
OK