[mybatis多参数添加数据并返回主键](mybatis%E5%A4%9A%E5%8F%82%E6%95%B0%E6%B7%BB%E5%8A%A0%E6%95%B0%E6%8D%AE%E5%B9%B6%E8%BF%94%E5%9B%9E%E4%B8%BB%E9%94%AE.md)