function PostData(strUrl: string; strJson: string) : string;
var
strHTML : TStringList;
idHttp1 : TIdHTTP;
strSend : TStringStream;
begin
idHttp1 := TIdHTTP.Create(nil);
idHttp1.Request.ContentType :='application/json';
idHttp1.Request.CharSet :='UTF-8';
strSend := TStringStream.Create(strJson, TEncoding.UTF8);
strSend.Position :=0;
strHTML := TStringList.Create;
try
strHTML.Text := idHttp1.Post(strUrl, strSend);
except
Result :='接口连接出错!';
Exit;
end;
idHttp1.free;
Result := strHTML.Text;
end;
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