code: public void appendCreateUserObject(Class<?> clazz) {
  		int typeIndex = this.getClassIndex(clazz);
  		if (typeIndex < 256) {
  			byteArray.writeByte1(XsonConst.CONTROL_CREATE_USER_OBJECT1);
  			byteArray.writeByte1((byte) typeIndex);
  		} else {
  			// 突破255限制
  			byteArray.writeByte1(XsonConst.CONTROL_CREATE_USER_OBJECT);
  			byteArray.writeInt(typeIndex);
  		}
  	}
docs: 添加一个用户对象,开始: