MANY_TO_MANY php多对多表的链接 返回的数组role=null为什么
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2024-02-05 09:05:46
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php
namespace Admin\Model;
use Think\Model\RelationModel;
class UserModel extends RelationModel {
Protected $tableName = 'user';//定义主表名称 //定义关联关系 Protected $_link=array( 'role' =>array( 'mapping_type' =>MANY_TO_MANY, 'foreign_key' =>'user_id',//主表外联 'relation_key' =>'role_id',//副表外联 'relation_table' =>'tp_role_user'//中间表 ) );
}
?>
namespace Admin\Controller;
use Think\Controller;
use Home\Model\UserModel;
use Think\Model\RelationModel;
class RbacController extends CommonController {
public function index(){
$result=D('User')->relation(true)->select();
var_dump($result);
die();
$this->display();
}