SIM800A模組進行HTTP的GET和POST操作
一、設定http引數命令
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 // 此時等待以下資訊的返回,不要操作其它
+HTTPACTION:0,200,1489 // 獲取成功
AT+HTTPREAD // 讀取資料
+HTTPREAD:1489
GIF89a? p蒊
… // 如果下載資料在sscom中無法看到ok返回,客戶認
OK 為模組問題,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