code: public static String getDesc(Class<?> returnType, Class<?>... paramTypes) {
          StringBuilder sb = new StringBuilder();
          sb.append("(");
          for (Class<?> type : paramTypes) {
              sb.append(ByteCodeUtils.getByteCodeType(type));
          }
          sb.append(")");
          //        sb.append(StringUtils.trim(ByteCodeUtils.getByteCodeType(returnType), ";"));
          sb.append(ByteCodeUtils.getByteCodeType(returnType));
          return sb.toString();
      }
docs: 获取指定参数类型、返回值的方法的byte code说明
  @param returnType 方法返回值
  @param paramTypes 方法参数
  @return byte code方法说明