我试图找到一种方法,当用户用音乐或视频等类别填充搜索栏时。一旦提交,这将触发一个查询。这将输出特定类别的所有帖子。我尝试使用内部联接来加入 2 个表的加入和类别。我被卡住了,因为这不起作用。请帮我。
public function getSearch(Request $request){
$categories = Category::all();
$search = $request->input('search');
$accessions = DB::table('accessions')
->leftJoin('categories', 'accessions.category_id', '=', 'categories.id')
->where('category_name','=','%'.$search.'%')
->get();
return view('accessions.index')->withAccessions($accessions)->withCategories($categories);
}
//tell relationship that an accession belongs to a category
public function category(){
return $this->belongsTo('App\Category');
}
//this shows relationship that a category has many accessions
public function accessions(){
return $this->hasMany('App\Accession');
}