spring mybatis 批量插入返回主键

1.模型

public class AzTest {
    private Integer id;

    private Integer age;

    private String title;

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public Integer getAge() {
        return age;
    }

    public void setAge(Integer age) {
        this.age = age;
    }

    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title == null ? null : title.trim();
    }
}

2.mapper

void insertAll(List<AzTest> list);

3.xml

<insert id="insertAll" parameterType="AzTest" keyProperty="id" useGeneratedKeys="true">
  insert into az_test(age,title)
  VALUES

<foreach item="item" collection="list" separator=",">

    (#{item.age},#{item.title})

</foreach>

</insert>