我正在使用 CodeIgniter 构建电子商务项目，在该项目中我正在通过带有复选框的多个过滤器参数从数据库中搜索产品。
但是我没有得到正确的结果。首先，我检查了品牌 -> 戴尔，它获得了两种产品，之后我检查了内存 -> 5 GB，因此它没有改变，但我希望它仅显示 1 个具有戴尔品牌的 5 GB 内存产品。
型号
<?php
class ProductsM extends CI_Model {
public function getRowsByCheck($keyword){
if($keyword=="")
{
$search_keuword = '';
}
else
{
$search_keuword = "and brand IN ('".$keyword."') OR ram IN ('".$keyword."') OR price IN ('".$keyword."')";
}
$query = $this->db->query("SELECT * FROM products WHERE products_id!='' " . $search_keyword . "");
if($query->num_rows() > 0){
$product = $query->result_array();
return $product;
}
else{
echo "<div class='btn-success btn-block' align='center'><strong>NO Related Product Found!!!</strong></div>";
}
}
}?>
Controller
class ProductsC extends CI_Controller {
public function fetchByCheck(){
$output='';
$keyword='';
if($this->input->post('tmp')){
$array = $this->input->post('tmp');
$keyword = implode("','",$array);
}
$data = $this->productsM->getRowsByCheck($keyword);
foreach ($data as $p) {
$output.='<div class="col-md-4">
<div class="panel panel-info">
<div class="panel-heading">'.$p["name"].'</div>
<div class="panel-body" align=center>
<img src="'.base_url("assets/images/".$p['image']).'" style="height:100px;">
</div>
<div class="panel-heading">Rs.'.$p["price"].'
<a href="'.base_url()."ProductsC/addToCart/".$p['id'].'" class="btn btn-success">Add To Cart</a>
Ram '.$p["ram"].'GB</div>
</div>
</div>';
}
echo $output;
}
}?>
查看
div class="list-group">
<h3>BRAND</h3>
<?php
foreach($brand_data as $row){?>
<div class="list-group-item checkbox">
<label><input type="checkbox" class="common-selector brand searchType"
value="<?php echo $row['brand'];?>"><?php echo $row['brand'];?></label>
</div>
<?php } ?>
</div>
<div class="list-group">
<h3>RAM</h3>
<?php
foreach($ram_data as $row){?>
<div class="list-group-item checkbox">
<label><input type="checkbox" class="common-selector ram searchType"
value="<?php echo $row['ram'];?>"><?php echo $row['ram'];?></label>
</div>
<?php } ?>
</div>
Script.js
<script type="text/javascript">
$(document).ready(function(){
$('.searchType').on('click', function () {
var tmp = [];
$("input").each(function() {
if ($(this).is(':checked')) {
var checked = ($(this).val());
tmp.push(checked);
}
});
//alert(tmp);
$.ajax({
url:"<?php echo base_url();?>ProductsC/fetchByCheck",
method:"POST",
data:{tmp:tmp},
success:function(data){
//alert(data);
$('#result').html(data);
}
});
});
});
</script>
最佳答案
您在查询中使用 OR 条件，如果提供了可选关键字之一，则结果始终为 true。为了设置所有条件，您可以拆分每个关键字并使用 AND 条件:
HTML
<div class="list-group">
<h3>BRAND</h3>
<?php
foreach ($brand_data as $row) { ?>
<div class="list-group-item checkbox">
<label><input type="checkbox" name="brand" class="common-selector brand searchType" value="<?php echo $row['brand']; ?>"><?php echo $row['brand']; ?></label>
</div>
<?php } ?>
</div>
<div class="list-group">
<h3>RAM</h3>
<?php
foreach ($ram_data as $row) { ?>
<div class="list-group-item checkbox">
<label><input type="checkbox" name="ram" class="common-selector ram searchType" value="<?php echo $row['ram']; ?>"><?php echo $row['ram']; ?></label>
</div>
<?php } ?>
</div>
Javascript
<script type="text/javascript">
$(document).ready(function() {
$('.searchType').on('click', function() {
var tmp_brand = [];
$("input[name='brand']").each(function() {
if ($(this).is(':checked')) {
var checked = ($(this).val());
tmp_brand.push(checked);
}
});
var tmp_ram = [];
$("input[name='ram']").each(function() {
if ($(this).is(':checked')) {
var checked = ($(this).val());
tmp_ram.push(checked);
}
});
//alert(tmp);
$.ajax({
url: "<?php echo base_url(); ?>ProductsC/fetchByCheck",
method: "POST",
data: {
tmp_brand: tmp_brand,
tmp_ram: tmp_ram,
tmp_price: tmp_price
},
success: function(data) {
//alert(data);
$('#result').html(data);
}
});
});
});
</script>
Controller
<?php
class ProductsC extends CI_Controller
{
public function fetchByCheck()
{
$output = '';
$keyword = [];
if ($this->input->post('tmp_ram')) {
$array = $this->input->post('tmp_ram');
$keyword['ram'] = implode("','", $array);
}
if ($this->input->post('tmp_brand')) {
$array = $this->input->post('tmp_brand');
$keyword['brand'] = implode("','", $array);
}
if ($this->input->post('tmp_price')) {
$array = $this->input->post('tmp_price');
$keyword['price'] = implode("','", $array);
}
$data = $this->productsM->getRowsByCheck($keyword);
foreach ($data as $p) {
$output .= '<div class="col-md-4">
<div class="panel panel-info">
<div class="panel-heading">' . $p["name"] . '</div>
<div class="panel-body" align=center>
<img src="' . base_url("assets/images/" . $p['image']) . '" style="height:100px;">
</div>
<div class="panel-heading">Rs.' . $p["price"] . '
<a href="' . base_url() . "ProductsC/addToCart/" . $p['id'] . '" class="btn btn-success">Add To Cart</a>
Ram ' . $p["ram"] . 'GB</div>
</div>
</div>';
}
echo $output;
}
} ?>
型号
<?php
class ProductsM extends CI_Model
{
public function getRowsByCheck($keyword)
{
$search_keuword = '';
if (count($keyword) > 0) {
foreach ($keyword as $key => $value) {
if ($key == 'ram') {
$search_keuword .= "and ram IN ('" . $value . "')";
}
if ($key == 'brand') {
$search_keuword .= "and brand IN ('" . $value . "')";
}
if ($key == 'price') {
$search_keuword .= "and price IN ('" . $value . "')";
}
}
$res = $this->db->query("SELECT * FROM products WHERE id!='' " . $search_keuword . "")->result_array();
return $res;
}
} ?>
关于php - 在codeigniter php的电子商务购物车系统中通过复选框搜索产品，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/58569810/