SIM800A模塊進行HTTP的GET和POST操作

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

相關文章：Arduino Nano與SIM800C 通信

一、設置http參數命令

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                                                          // 此時等待以下信息的返回，不要操作其它

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

AT+HTTPREAD                                     // 讀取數據

+HTTPREAD:1489
GIF89a? p蒊
…                                                           // 如果下載數據在sscom中無法看到ok返回，客戶認
OK                                                            為模塊問題，請選擇hex顯示在取消即可。

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