新版-GET方法

public function newok(){
$ImageUrl = 'http://ceshi.com/ceshi1.jpg';
$CardSide = 'FRONT';
$Action = 'VehicleLicenseOCR';
$SecretId = 'AKIDGGbiaDChhYGyYttvkZ7ucYE7k6QTHi';
$secretKey = 'IJ4dy1o9Dm57tRj1PWOzJNANNJ2W';
$Timestamp = time();
$Nonce = rand(1000,9999);
$Region = 'ap-beijing';
$Version = '2018-11-19';
$param["Nonce"] =$Nonce;
$param["Timestamp"] = $Timestamp;
$param["Region"] = $Region;
$param["SecretId"] = $SecretId;
$param["Action"] = $Action;
$param["Version"] = $Version;
$param["ImageUrl"] = $ImageUrl;
$param["CardSide"] = $CardSide;
$param["Language"] = "zh-CN";
ksort($param);
$signStr = "GETocr.ap-beijing.tencentcloudapi.com/?";
foreach ( $param as $key => $value ) {
$signStr = $signStr . $key . "=" . $value . "&";
}
$signStr = substr