* 合并视图案例 （ union all ） ~~~ $field = []; $obj = []; $obj['sm_id'] = 'sm_id'; $obj['account'] = 'account'; $field['sbh_manage'] = $obj; $obj = []; $obj['u_id'] = 'u_id'; $obj['account'] = 'account'; $field['user'] = $obj; $back = $D_P->view("view_name",$field,1); $back = $D_P->view("view_name",$field,1,['echo'=>1]); ~~~