-批量更新入参Map

void updateByItemCode(@Param("hashMap") HashMap<String, String> hashMap);

    <update id="updateByItemCode" parameterType="java.util.Map">
        <foreach collection="hashMap.entrySet()" index="key" item="value" separator=";">
            update j_fin_billitem set
            <if test="value != null">
                item_name = #{value}
            </if>
            where item_code = #{key}
        </foreach>
    </update>