Question

我正在按尺寸过滤产品，我选择了li的所有用户都选择了使用此jquery函数：

var arr_size = [];
i = 0;
$(".filtersize li a").each(function(e) {
    if ($(this).hasClass("selected-filter")) {
        arr_size[i++]= $(this).text();
    }
});

这工作正常，但是我将此数组从ajax传递到codeigniter控制器，并且将大小数据作为逗号分隔的值保存在数据库中：

大小列：

'S'，'M'，'L'，'XL'

和javascript数组还包含逗号分隔值，例如。如果用户选择了两个值，它将包含S，M我无法使用类似的函数在db中搜索数组值，是否还有其他函数或方法可以实现此目的？我的代码如下：

var data = {id:pid,arr_s:arr_size};
var url = "<?php echo base_url()?>controlle/viewproducts";
var result = post_ajax(url, data);

控制器：

public function viewproducts()
{
    $id=$this->input->post('id');
    $size_arr=$this->input->post('arr_s');
    $result['product'] = $this->product_m->get_product_size_filter($id,$size_arr);
    $this->load->view('product_filter_view/view_product',$result);
}

型号：

public function get_product_size_filter($id,$size) {
    $where_query = '';
    $size_array = explode(',', $size);
    foreach ($size_array as $size_item) {
        $size = "$size_item";
        $where_query .= "dg_products.size LIKE '%$size%' OR ";
    }

    $where_query = rtrim($where_query, " OR ");

    $this->db->select('dg_products.*, AVG(dg_rating.rating) As averageRating');
    $this->db->from('dg_products');
    $this->db->join('dg_rating', 'dg_products.id = dg_rating.product_id','left');
    $this->db->where('dg_products.category_id',$id);
    $this->db->where($where_query);
    $this->db->group_by("dg_products.id");
    $query = $this->db->get();   
    $result = $query->result();
    return $result; 
}

Answer 1

我认为，您可以将您的 size 字符串转换为数组并运行查询。下面的示例代码：

public function viewproducts() 
{
    $id = $this->input->post('id', true);
    $size_string = $this->input->post('arr_s', true);
    $size_array = explode(',', $size_string);
    $result['product'] = array();

    foreach ($size_array as $size_item) {
        $size = "'$size_item'";
        $result['product'][] = $this->product_m->get_product_size_filter($id, $size);
    }

    $this->load->view('product_filter_view/view_product', $result);
}

如果您不想运行多数据库查询，则可以使用：

public function viewproducts() 
{
    $id = $this->input->post('id', true);
    $sizes = $this->input->post('arr_s', true);
    $result['product'] = $this->product_m->get_product_size_filter($id, $sizes);

    $this->load->view('product_filter_view/view_product', $result);
}

这是模特：

public function get_product_size_filter($id, $size)
{
    $where_query = '';
    $size_array = explode(',', $size);

    foreach ($size_array as $size_item) {
        $size = "'$size_item'";
        $where_query .= "size LIKE '%$size%' OR ";
    }

    $where_query = rtrim($where_query, " OR ");

    $this->db->select('*');
    $this->db->from('dg_products');
    $this->db->where($where_query);
    $query = $this->db->get();   
    return $query->result();
}

已更新

public function get_product_size_filter($id,$size)
{
    $where_query = '';
    $size_array = explode(',', $size);

    foreach ($size_array as $size_item) {
        $size = "$size_item";
        $where_query .= "dg_products.size LIKE '%$size%' OR ";
    }

    $where_query = rtrim($where_query, " OR ");

    $this->db->select('dg_products.*, AVG(dg_rating.rating) As averageRating');
    $this->db->from('dg_products');
    $this->db->join('dg_rating', 'dg_products.id = dg_rating.product_id','left');
    $this->db->where('dg_products.category_id',$id);
    $this->db->where("($where_query)");
    $this->db->group_by("dg_products.id");
    $query = $this->db->get();   
    $result = $query->result();

    return $result; 
}

如何在Codeigniter中按大小过滤产品

1 个答案: