MyBatis中foreach标签的collection属性的取值方式

List<Emp> findEmpByDeptnos(List<Integer> deptnos);

<select id="findEmpByDeptnos" resultType="Emp" parameterType="list">
    SELECT * FROM emp e
    WHERE e.deptno IN
    <foreach collection="list" item="deptno" open="(" separator="," close=")">
        #{deptno}
    </foreach>
</select>

List<Emp> findEmpByDeptnos(Integer[] deptnos);

<select id="findEmpByDeptnos" resultType="Emp" parameterType="int">
    SELECT * FROM emp e
    WHERE e.deptno IN
    <foreach collection="array" item="deptno" open="(" separator="," close=")">
        #{deptno}
    </foreach>
</select>

List<Emp> findEmpByDeptnos(Map<String,List<Integer>> deptnos);

<select id="findEmpByDeptnos" resultType="Emp" parameterType="map">
    SELECT * FROM emp e
    WHERE e.deptno IN
    <foreach collection="myKey" item="deptno" open="(" separator="," close=")">
        #{deptno}
    </foreach>
</select>

public class GeneralAddressQueryParam implements Serializable {

    /**
     * 地名，多级地名用逗号分隔
     */
    private String names;

    /**
     * 多地名查询条件
     */
    private List<String> nameList;

    public String getNames() {
        return names;
    }

    public void setNames(String names) {
        this.names = names;
    }

    public List<String> getNameList() {
        return nameList;
    }

    public void setNameList(List<String> nameList) {
        this.nameList = nameList;
    }
}

List<GeneralAddressFullNameDTO> multiNameQuery(GeneralAddressQueryParam queryParam);

<if test="nameList != null and nameList.size() > 0">
    <foreach collection="nameList" item="name">
        and address like concat('%', #{name}, '%')
    </foreach>
</if>

<if test="nameList != null and nameList.size() > 0">
    <foreach collection="nameList" item="name" index="index">
        and address like concat('%', #{nameList[${index}]}, '%')
    </foreach>
</if>