模型关系设置

app/Models/ProjectLabelRelationModal.php

@@ -3,6 +3,7 @@
 namespace App\Models;
 
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasOne;
 
 /**
  * 项目标签关联表
@@ -13,4 +14,22 @@ class ProjectLabelRelationModal extends Model
     protected $table = 'project_label_relations';
 
     protected $guarded  = [];
+
+    /**
+     * 项目
+     * @return HasOne
+     */
+    public function project(): HasOne
+    {
+        return $this->hasOne(ProjectModal::class, 'id', 'project_id');
+    }
+
+    /**
+     * 标签
+     * @return HasOne
+     */
+    public function label(): HasOne
+    {
+        return $this->hasOne(LabelModal::class, 'id', 'label_id');
+    }
 }