docs: public static String getDynamicTableName(Class<?> entityClass, String tableName) {
          if (IDynamicTableName.class.isAssignableFrom(entityClass)) {
              StringBuilder sql = new StringBuilder();
              sql.append("<choose>");
              sql.append("<when test=\"@tk.mybatis.mapper.util.OGNL@isDynamicParameter(_parameter) and dynamicTableName != null and dynamicTableName != ''\">");
              sql.append("${dynamicTableName}\n");
              sql.append("</when>");
              //不支持指定列的时候查询全部列
              sql.append("<otherwise>");
              sql.append(tableName);
              sql.append("</otherwise>");
              sql.append("</choose>");
              return sql.toString();
          } else {
              return tableName;
          }
      }