技术拓展

• android
• rxJava
• kotlin
• scala
• play j2ee

• java

   public static String SHA(String decript) {
         try {
  MessageDigest digest = java.security.MessageDigest
                  .getInstance("SHA");
          digest.update(decript.getBytes());
          byte messageDigest[] = digest.digest();
          // Create Hex String
          StringBuffer hexString = new StringBuffer();
          // 字节数组转换为 十六进制 数
          for (int i = 0; i < messageDigest.length; i++) {
              String shaHex = Integer.toHexString(messageDigest[i] & 0xFF);
              if (shaHex.length() < 2) {
                  hexString.append(0);
              }
              hexString.append(shaHex);
          }
          return hexString.toString();
  
      } catch (NoSuchAlgorithmException e) {
          e.printStackTrace();
      }
      return "";
  }