MyBatis+MyBatisPlus中遇到的一些坑及解决

 @Configuration
 public class WebMvcConfig extends WebMvcConfigurationSupport {
   @Bean
    public PaginationInterceptor paginationInterceptor() {
        return new PaginationInterceptor();
    }
 }

实体

@Data
@ApiModel(value="产品对象")
public class EcProduct{

    @TableId(value = "id", type = IdType.AUTO)
    private Integer id;

    @ApiModelProperty(value = "产品名称")
    private String name;
    
    @ApiModelProperty(value = "添加时间")
    private Date createDate;

    @ApiModelProperty(value = "操作人ID")
    private Integer optUserId;
    //一对一
	private EcInsuranceCompany insuranceCompany;
	//一对多
	private List<EcProductDuty> dutys;
}


@Data
@ApiModel(value="公司对象")
public class EcInsuranceCompany{

    @TableId(value = "id", type = IdType.AUTO)
    private Integer id;

    @ApiModelProperty(value = "公司名称")
    private String name;
}

@Data
@ApiModel(value="信息对象")
public class EcProductDuty {
    @TableId(value = "id", type = IdType.AUTO)
    private Integer id;
    private String detail;
}

mapper.xml

   <resultMap id="productPlanRespone" type="XXX.EcProduct">
        <id property="id" column="id"/>
        <result property="name" column="name"/>
        .............
        <association property="insuranceCompany" javaType="XXX.EcInsuranceCompany">
            <id property="id" column="iid"/>
            ............
        </association>
        <collection property="dutys" column="id" select="XXXX.getProductDutyByPlanId">
        </collection>
    </resultMap>

       <select id="XXX" resultMap="productPlanRespone">
		</select>

  <dependency>
            <groupId>org.apache.velocity</groupId>
            <artifactId>velocity-engine-core</artifactId>
            <version>2.2</version>
        </dependency>
<dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-generator</artifactId>
            <version>3.4.1</version>
        </dependency>

   <!--配置ApiModel在实体类中不生效-->
    <dependency>
        <groupId>com.spring4all</groupId>
        <artifactId>spring-boot-starter-swagger</artifactId>
        <version>1.5.1.RELEASE</version>
    </dependency>