我有一个过滤器栏,可一次搜索一个过滤器。但是,我想立即选择多个过滤器。我所有的过滤器链接目前都只有一个查询字符串。有没有一种方法可以将查询字符串附加到另一个查询中?
当前,我在类似以下代码的控制器中设置过滤器。
$products = new Product();
$queries = [];
$columns = [
'beertype_id', 'packaging', 'brewery_id'
];
foreach ($columns as $column) {
if (request()->has($column)) {
$products = $products->where($column, request($column));
$queries[$column] = request($column);
}
}
$products = $products->paginate(10)->appends($queries);
然后我要在Blade模板中称呼它们。
<p>Filter Products:</p>
<a href="/products">Reset</a>
<ul>
<p>Types of Beer:</p>
<li class="filter-link"><a href="/products?beertype_id=1">IPA</a></li>
<li class="filter-link"><a href="/products?beertype_id=2">Lager</a></li>
<li class="filter-link"><a href="/products?beertype_id=3">Pale Ale</a></li>
</ul>
<ul>
<p>Packaging:</p>
<li class="filter-link"><a href="/products?packaging=bottle">Bottle</a></li>
<li class="filter-link"><a href="/products?packaging=can">Can</a></li>
<li class="filter-link"><a href="/products?packaging=keg">Keg</a></li>
</ul>
<ul>
<p>Brewery:</p>
<li class="filter-link"><a href="/products?brewery_id=2">Kinnegar</a></li>
<li class="filter-link"><a href="/products?brewery_id=3">White Hag</a></li>
<li class="filter-link"><a href="/products?brewery_id=4">Quilmes</a></li>
</ul>
我想要一个查询字符串,例如
?beertype_id=3&beertype_id=5&brewery_id=2
。当用户单独单击过滤器时,如何每次都添加新过滤器?例如,如果用户单击“ IPA”,则将显示所有IPA产品,然后,如果用户单击“ Porter”,则将同时显示Porter和IPA产品。
答案 0 :(得分:0)
您可以在查询中传递数组:
<p>Filter Products:</p>
<a href="/products">Reset</a>
<ul>
<p>Types of Beer:</p>
<li class="filter-link"><a href="/products?beertype_id[]=1&beertype_id[]=4" >IPA</a></li>
<li class="filter-link"><a href="/products?beertype_id[]=2&beertype_id[]=5">Lager</a></li>
<li class="filter-link"><a href="/products?beertype_id[]=3&beertype_id[]=6">Pale Ale</a></li>
</ul>
并像这样在控制器中获取此数组
$products = new Product;
$queries = [];
$columns = [
'beertype_id', 'packaging', 'brewery_id'
];
foreach ($columns as $column){
if (request()->has($column)){
if(is_array(request($column))){
$products = $products->whereIn($column, request($column));
} else {
$products = $products->where($column, request($column));
}
$queries[$column] = request($column);
}
}
$products = $products->paginate(10)->appends($queries);