1. List<?>对象
dao接口:
int batchDelete(List<String> ids);
mapping.xml:
<delete id="batchDelete" parameterType="java.util.List">
delete from test where test_id in
<foreach collection="list" item="item" index="index" open="(" separator="," close=")">
#{item}
</foreach>
</delete>
2. 数组对象
dao接口:
int batchDelete(String[] ids);
mapping.xml:
<delete id="batchDelete" parameterType="java.lang.String">
delete from test where test_id in
<foreach collection="array" item="item" index="index" open="(" separator="," close=")">
#{item}
</foreach>
</delete>