自动编码格式说明：

1. yyyymmdd格式：效果如下：ZC20200615001, ZC20200615002, ZC20200616003
2. yyyymmdd_格式：效果如下：ZC20200615_001, ZC20200615_002, ZC20200615_003
3. yymmdd格式：效果如下：ZC200615001, ZC200615002, ZC200615003
4. yyyy0000格式：效果如下：ZC20200001, ZC20200002, ZC20200003
5. _yyyymmdd_格式: ZC_20200615_0001, ZC_20200615_0002, ZC_20200616_0003
6. yyyymm0000格式：ZC2020050001, ZC2020050002, ZC2020060003
7. yyyymm-0000格式：ZC202005-0001, ZC202005-0002, ZC202006-0003
8. yyyymmdd-0000格式：ZC20200512-0001, ZC20200512-0002, ZC20200615-0003
9. yyyymmdd0000格式：ZC202005120001, ZC202005120002, ZC202006150003
10. main000格式：ZC0001, ZC0002, ZC0003
11. main0000格式：ZC00001, ZC00002, ZC00003
12. main00000格式：ZC00001, ZC00003, ZC00003
13. 00000格式：ZC00001, ZC00003, ZC00003

点击设计. 以下选择跟自动编码样式有关，前缀，和格式。