public String sort(Map params) {
        List<Map.Entry<String, Object>> argList = new LinkedList<Map.Entry<String, Object>>();
        argList.addAll(params.entrySet());
        Collections.sort(argList, Map.Entry.comparingByKey());
        StringBuilder sb = new StringBuilder();
        for (Map.Entry<String, Object> item : argList) {
            String key = item.getKey();
            String val = String.valueOf(item.getValue());
            if (!(val == “” || val == null)) {
                sb.append(key + “=” + val + “&”);
            }
        }
        return SecureUtil.md5(sb.toString());

import org.apache.tomcat.util.buf.HexUtils;
 
import javax.crypto.Cipher;
import javax.crypto.spec.SecretKeySpec;
import java.security.Key;
 
public String encrypt(String content, String privateKey) throws Exception {
        Cipher cipher = Cipher.getInstance(“AES”);
        byte[] bs = HexUtils.fromHexString(privateKey);
        Key key = new SecretKeySpec(bs,“AES”);
        cipher.init(Cipher.ENCRYPT_MODE, key);
        byte[] p = content.getBytes(“UTF-8”);
        byte[] result = cipher.doFinal(p);
        String encoded = Base64Encoder.encode(result);
        return encoded;
    }

function getSign($params)
{
    ksort($params);
    $str = http_build_query($params);
    $decodeStr = urldecode($str)
 
    return md5($decodeStr . ‘&’);
}
 
function getContent($params)
{
    ksort($params);
    $input = json_encode($params);
 
    $key = hex2bin($this->privateKey);
 
    $size = mcrypt_get_block_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_ECB);
    $input = pkcs5_pad($input, $size);
    $td = mcrypt_module_open(MCRYPT_RIJNDAEL_128, ”, MCRYPT_MODE_ECB, ”);
    $iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
    mcrypt_generic_init($td, $key, $iv);
    $data = mcrypt_generic($td, $input);
    mcrypt_generic_deinit($td);
    mcrypt_module_close($td);
    $data = base64_encode($data);
 
    return $data;
}
 
/**
 * Filing Method pkcs5
 * @param String text   Original String
 * @param String blocksize   Encryption Size
 * @return String
 */
function pkcs5_pad($text, $blocksize) {
    $pad = $blocksize – (strlen($text) % $blocksize);
    return $text . str_repeat(chr($pad), $pad);

{
  “msg”: “”,
  “data”: {
    “total”: 20,
    “records”: [
      {
        “uid”: “MtCmVMOzZ”,
        “name”: “Genre”
      }
    ]
  },
  “status”: 200
}

 
{
  “msg”: “”,
  “data”: “http://www.kanjian.com/track.mp3?id=1213”,
  “status”: 200
}

{
  “msg”: “”,
  “data”: {
    “records”: [
      {
        “name”: “Blue Moon”,
        “uid”: “DLOqfKKRX”,
        “artist”: “Akin”,
        “composer”: “Akin”,
        “lyricist”: “Akin”,
        “isrc”: “HKC371602831”,
        “upc”: “6930043306798”,
        “bpm”: 153,
        “fileSize”: 45080142,
        “duration”: 255,
        “cover”: “http://library.kanjian.com/6930043306798/cover.png”,
        “wavePicUrl”: “http://library.kanjian.com/6930043306798/HKC371602831.png”,
        “description”: “The single Blue moon will be included on Akin’s upcoming second Mixtape: [HURT&AWAKE]. Look forward to it. (Lyricist/Composer: Akin Arranger: Jock/Akin)-“,
        “tag”: [
          {
            “uid”: “KzG7Nsy9h”,
            “name”: “DISCO”
          }
        ]
      }
    ],
    “total”: 1
  },
  “status”: 200
}

{
  “msg”: “”,
  “data”: “http://www.kanjian.com/track.mp3?id=1213”,
  “status”: 200
}
  “status”: 200
}