java加签，php验签无法通过

Question

今天使用php写后端接口，对接使用的时java语言，使用php自己加签再验签时可以通过，当使用java加签，php验签时一直无法通过，对比过公钥和私钥，都没有问题，加签之后的信息完全一致，但php验签一直无法通过，都使用hello来验签，php通过了，java未通过，打印拼接字符串，加签之后字符串和调用接口的字符串，对比之后java和php完全一致，但php可以验签通过，java未能通过。
请求各位大佬给个解决办法，看看问题在哪，找了一天了都没解决出问题

//以下是JAVA代码

    public static String private_key = "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";

public static void main(String[] args) throws UnsupportedEncodingException {
        test();
    }
    
    
    public static void test() throws UnsupportedEncodingException {
        //构造待签名字符串
        String string = "content=hello"+"&mch_id=1&method=pay&nonce_str=1&time_stamp=1";
        System.out.println("拼接字符串："+string);
        //加密字符串
        String str = sign(string.getBytes("utf-8"));
        System.out.println("字符串加密："+str);
        String authorization = "mch_id=1&method=pay&nonce_str=1&sign="+URLEncoder.encode(str,"UTF-8")+"&time_stamp=1";
        System.out.println("请求头："+authorization);
        System.out.println("请求结果："+DemoCall.doPost("pay/api/v1","hello",authorization));
    }
    
    
        /**
     * 将字节数组内信息使用签名进行加密
     * @param message
     * @return
     */
    public static String sign(byte[] message){
        Signature sign;
        try {
            sign = Signature.getInstance("SHA256withRSA");
            sign.initSign(getPrivateKey());
            sign.update(message);
            return Base64.getEncoder().encodeToString(sign.sign());
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        } catch (SignatureException e) {
            e.printStackTrace();
        } catch (InvalidKeyException e) {
            e.printStackTrace();
        }
        return null;
    }

     /**
       * 获取私钥。
       * @param filename 私钥文件路径  (required)
       * @return 私钥对象
       */
    public static PrivateKey getPrivateKey(){
        String content = private_key;
        try {
        String privateKey = content.replace("-----BEGIN PRIVATE KEY-----", "")
            .replace("-----END PRIVATE KEY-----", "")
            .replaceAll("\\s+", "");
        KeyFactory kf = KeyFactory.getInstance("RSA");
        return kf.generatePrivate(
            new PKCS8EncodedKeySpec(Base64.getDecoder().decode(privateKey)));
        } catch (NoSuchAlgorithmException e) {
            throw new RuntimeException("当前Java环境不支持RSA", e);
        } catch (InvalidKeySpecException e) {
            throw new RuntimeException("无效的密钥格式");
        }
    }
    
    

//以下是php代码

class LubanPay{  
*  
* 字符串签名  
* @param string $resource 经过urlencode处理过的字符串  
* @return string  
*/  
public function SignStrMessage(string $resource):string {  
$privateKey = openssl_get_privatekey($this->GetPrivateKey());  
$res = openssl_sign($resource, $signature, $privateKey,OPENSSL_ALGO_SHA256);  
openssl_free_key($privateKey);  
if ($res) {  
return base64_encode($signature);  
}else {  
throw new \Exception("String Sign Failed",10004);  
}  
}  
/*  
* 字符串验签  
* @param string $resource  
* @param string $signature  
* @return bool  
*/  
public function VerifyStrMessage(string $resource,string $signature,string $mch_public_key):bool {  
$signature = base64_decode($signature);  
$publicKey = openssl_get_publickey($this->GetPublicKey($mch_public_key));  
$res = openssl_verify($resource, $signature, $publicKey,OPENSSL_ALGO_SHA256);  
openssl_free_key($publicKey);  
return $res===1?true:false;  
}  
  
/*  
* 获取鲁班支付平台私钥  
* @return string  
*/  
private function GetPrivateKey():string {  
$privateKey = Config::$luban_private_key;  
$privateKey = chunk_split($privateKey, 64, "\n");  
$privateKey = "-----BEGIN RSA PRIVATE KEY-----\n$privateKey-----END RSA PRIVATE KEY-----\n";  
return $privateKey;  
}  
  
/*  
* 获取商户公钥  
* @param string $type  
* @return string  
*/  
private function GetPublicKey($mer_public_key):string{  
$publicKey = chunk_split($mer_public_key, 64, "\n");  
$publicKey = "-----BEGIN PUBLIC KEY-----\n$publicKey-----END PUBLIC KEY-----\n";  
return $publicKey;  
}  
  
}