mybatis传递List，Array，Map

List和Map作为一个实体类的属性：

    private List<Long> kkids;

	public  List<Long> getKkids() {
		return kkids;
	}

	public void setKkids( List<Long> kkids) {
		this.kkids = kkids;
	}
	
	private Map<String,String> multiGwsj;


	public Map<String, String> getMultiGwsj() {
		return multiGwsj;
	}

	public void setMultiGwsj(Map<String, String> multiGwsj) {
		this.multiGwsj = multiGwsj;
	}

mapper.xml

<if test="kkids != null">
	<foreach collection="kkids" item="stationId" index="index" open="and (" close=")" separator=" or ">
         kkid= #{stationId,jdbcType=VARCHAR}
    </foreach>
</if>

<if test="multiGwsj != null">
	<foreach collection="multiGwsj" item="time2" index="time1" open="and (" close=")" separator=" or ">
         gwsj BETWEEN #{time1,jdbcType=TIMESTAMP} and #{time2,jdbcType=TIMESTAMP}
    </foreach>
</if>

foreach处理array和list时，item是其中具体的一项，index是该项在列表或者数组中的位置；

处理map时，item是value，index是key