转自:https://blog.csdn.net/u013216156/article/details/78642920/
JavaType和ofType都是用来指定对象类型的,但是JavaType是用来指定pojo中属性的类型,而ofType指定的是映射到list集合属性中pojo的类型。
pojo类:
publicclass User {
privateint id;
privateString username;
privateString mobile;
privateListposts;
}
user.xml:
"User" id="resultUserMap">
"id" javaType="int" column="user_id" />
"username" javaType="string" column="username" />
"mobile" column="mobile" />
"posts" ofType="com.spenglu.Post" javaType="java.util.ArrayList" column="userid">
"id" column="post_id" javaType="int" jdbcType="INTEGER"/>
"title" column="title" javaType="string" jdbcType="VARCHAR"/>
"content" column="content" javaType="string" jdbcType="VARCHAR"/>