模型关系设置

app/Models/FrameworkModal.php

@@ -3,6 +3,7 @@
 namespace App\Models;
 
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 
 /**
  * 框架表
@@ -13,4 +14,13 @@ class FrameworkModal extends Model
     protected $table = 'frameworks';
 
     protected $guarded  = [];
+
+    /**
+     * 项目关联
+     * @return BelongsToMany
+     */
+    public function projects()
+    {
+        return $this->belongsToMany(ProjectModal::class, 'project_frameworks_relations', 'framework_id', 'project_id');
+    }
 }