update README.md

cklei-carly · cklei-carly · commit 4e6672aa0e76 · 2024-10-22T15:26:23.000+08:00
diff --git a/README.md b/README.md
@@ -123,6 +123,10 @@ class ProductCategory extends Model
 
     protected $fillable = ["parent_id", "title", "order"];
 
+    protected $casts = [
+        'parent_id' => 'int'
+    ];
+    
     protected $table = 'product_categories';
 }
 ```

Original file line number	Diff line number	Diff line change
`@@ -123,6 +123,10 @@ class ProductCategory extends Model`
`123`	`123`
`124`	`124`	`protected $fillable = ["parent_id", "title", "order"];`
`125`	`125`
	`126`	`+ protected $casts = [`
	`127`	`+ 'parent_id' => 'int'`
	`128`	`+ ];`
	`129`	`+`
`126`	`130`	`protected $table = 'product_categories';`
`127`	`131`	`}`
`128`	`132`	```