public function send($url,$postData){

        $ch = curl_init();

        $headers = array("Content-type: application/json;charset='utf-8'",

            "Accept: application/json", "Cache-Control: no-cache", "Pragma: no-cache");

        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

        curl_setopt($ch, CURLOPT_URL,$url);

        curl_setopt($ch, CURLOPT_HEADER, 0);

        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

        curl_setopt($ch, CURLOPT_POST, 1);

        curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);

        $data = curl_exec($ch);

        if ($data === false || $data === null) {

            $error_code = curl_errno($ch);

            curl_close($ch);

            return $error_code;

        } else {

            curl_close($ch);

           return json_decode($data,true);

        }

    }

    public  function send2($url){

        $curl = curl_init();

        //设置抓取的url

        curl_setopt($curl, CURLOPT_URL, $url);

        //设置头文件的信息作为数据流输出

        curl_setopt($curl, CURLOPT_HEADER, 0);

        //设置获取的信息以文件流的形式返回，而不是直接输出。

        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);

        //执行命令

        $data = curl_exec($curl);

        //关闭URL请求

        if ($data === false || $data === null) {

            $error_code = curl_errno($curl);

            curl_close($curl);

            return $error_code;

        } else {

            curl_close($curl);

            return json_decode($data,true);

        }

    }

$url = "";

send($url,json_encode([]));//以json body方式传参

$url .="?param1=1&param2=2";

send2($url); //params 传参

/***********************加密*************************/

 　　　　String txt="66666";

        String key="123456781234567812345678"; // 必须24位

        //加密

        String keyStr = key;

        byte key_byte[] = keyStr.getBytes();// 3DES 24 bytes key

        SecretKey k = new SecretKeySpec(key_byte, "DESede");

        javax.crypto.Cipher cipher = javax.crypto.Cipher.getInstance("DESede");

        cipher.init(javax.crypto.Cipher.ENCRYPT_MODE, k);

        byte[] resultByte = cipher.doFinal(txt.getBytes("utf-8"));

        return new String(resultByte, "UTF-8");

/***********************解密*************************/

    try {

　　　　//str 加密串 pass 密钥

　　　　SecretKey deskey = new SecretKeySpec(pass.getBytes(), 'DESede');

　　　　Cipher c1 = Cipher.getInstance('DESede');

　　　　c1.init(Cipher.ENCRYPT_MODE, deskey);

　　　　byte[] resultByte = c1.doFinal(Base64.decode(str));

　　　　return new String(resultByte, "UTF-8");

　　　　} catch (Exception e) {

　　　　}

class a{

 public $key = '123456781234567812345678'; 

public $method = 'DES-EDE3';//加密方法 加密模式有：DES-ECB、DES-CBC、DES-CTR、DES-OFB、DES-CFB。 

public $options = OPENSSL_RAW_DATA;//数据格式选项（可选）

 public $iv = '';//加密初始化向量（可选

 public function encrypts($data) { 

$result = openssl_encrypt($data, $this->method, $this->key,$this->options); return base64_encode($result);

 } 

public function decrypt($encrypted) { 

$encrypted = base64_decode($encrypted); $sign = openssl_decrypt($encrypted, $this->method, $this->key,$this->options); return $sign; } 
}