懒人调用例子
```language
function moapi:moOcr(xyArr)
local lurl = string.format("http://%s/predict/ocr_system?nema=%s&tkmy=%s",self.IP,self.nema,self.tkmy);
local puse = '/mnt/sdcard/2021.png'
snapShot(puse,xyArr[1],xyArr[2],xyArr[3],xyArr[4])
puse = getFileBase64(puse)
local localJson = '{"image": "data:image/jpeg;base64,'..puse..'"}';
--local status =httpPost( lurl,localJson,30,"Content-Type: application/json;charset=utf-8")
local status = LuaEngine.httpPostData(lurl ,localJson,"application/json;charset=utf-8",30)
localJson = jsonLib.decode(status) or {};
if localJson["result"] ~= nil then
return true,localJson["result"]
end
return false,localJson
end
```