Mybatis的批量增加和批量删除

@Insert("<script>" +
            "insert into tsturole (sid,rid) values " +
            "<foreach collection='集合' item='roles' separator=','> " +
            "#{字段},#{字段})" +
            "</foreach>" +
            "</script>")
    public void saveUser(String[] roles);

    @Delete("<script>" +
            "delete from tsturole where sid in " +
            "<foreach collection='集合' open='(' separator=',' close=')' item='ids'>" +
            " #{ids}" +
            "</foreach>" +
            "</script>")
    public void del(String[] ids);