模型关系设置

app/Models/ProjectModal.php

@@ -3,6 +3,9 @@
 namespace App\Models;
 
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\HasOne;
 
 /**
  * 项目表
@@ -14,4 +17,75 @@ class ProjectModal extends Model
 
     protected $guarded  = [];
 
+    /**
+     * 用户关联
+     * @return HasOne
+     */
+    public function user(): HasOne
+    {
+        return $this->hasOne(UserModal::class, 'id', 'user_id');
+    }
+
+    /**
+     * 作者关联
+     * @return HasOne
+     */
+    public function author(): HasOne
+    {
+        return $this->hasOne(UserModal::class, 'id', 'author_id');
+    }
+
+    /**
+     * 标签关联
+     * @return BelongsToMany
+     */
+    public function labels(): BelongsToMany
+    {
+        return $this->belongsToMany(LabelModal::class, 'project_labels_relations', 'project_id', 'label_id');
+    }
+
+    /**
+     * 截图关联
+     * @return HasMany
+     */
+    public function screenshots(): HasMany
+    {
+        return $this->hasMany(ScreenshotModal::class, 'project_id', 'id');
+    }
+
+    /**
+     * 框架关联
+     * @return BelongsToMany
+     */
+    public function frameworks(): BelongsToMany
+    {
+        return $this->belongsToMany(FrameworkModal::class, 'project_frameworks_relations', 'project_id', 'framework_id');
+    }
+
+    /**
+     * 技术栈关联
+     * @return BelongsToMany
+     */
+    public function technologyStacks(): BelongsToMany
+    {
+        return $this->belongsToMany(TechnologyStackModal::class, 'project_technology_stacks_relations', 'project_id', 'technology_stack_id');
+    }
+
+    /**
+     * 功能关联
+     * @return HasMany
+     */
+    public function features(): HasMany
+    {
+        return $this->hasMany(FeatureModal::class, 'project_id', 'id');
+    }
+
+    /**
+     * 分类关联
+     * @return HasOne
+     */
+    public function category(): HasOne
+    {
+        return $this->hasOne(CategoryModal::class, 'id', 'category_id');
+    }
 }