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mybatis插入返回主键

mybatis中resultMap嵌套映射实例实体类嵌套```public class WasteDetail implements Serializable { @ApiModelProperty("危废id") private Long wasteId; @ApiModelProperty("企业id") private Long enterpriseId; @ApiModelProperty("危废类别") private Strin

mysql自增主键和mybatis自增主键不一致问题(已解决)：在插入数据前，先进行查询主键<insert id="insertSelective"> <selectKey keyProperty="zxywzj" resultType="Integer"> select LAST_INSERT_ID() </selectKey> insert into tb_name (<include refid="i

使用mybatis插入数据时，mysql的字段默认值不生效的问题解决办法：使用动态sql(记录本人踩过的坑) <sql id="if_insert_column"> <trim suffixOverrides=","> <if test="zxywzj != null">ZXYWZJ,</if> <if test="zxywnr != null">ZXYWNR,</if> <if tes