AJAX實現(xiàn)產(chǎn)品多條件篩選，極大的提升了用戶的瀏覽體驗，避免了因為頁面加載時間多長導致用戶瀏覽等待時間過長的情況發(fā)生。開發(fā)功能的實現(xiàn)效果如下圖所示：

 
客戶的要求是搜索的主類名和搜索條件都需要可以編輯，所以這里需要從后臺調(diào)用數(shù)據(jù)后在頁面上輸出顯示出來。
 

前端代碼如下所示：



{$item['category_name']}:

{$itemv['category_name']}





 
接下來就是把用戶勾選的條件傳到后臺查詢到相應(yīng)的數(shù)據(jù)即可，獲取勾選條件的數(shù)據(jù)，這里用JQ獲取

前端代碼如下所示：
var arr = [];
$(function(){
$('.crumb .left a.close i').off('click').on('click', function () {
if ($(this).hasClass('on')) {
$(this).removeClass('on');
$(this).find('input').removeAttr('checked');
Searchpro();
} else {
$(this).addClass('on');
$(this).find('input').attr('checked', 'checked');
Searchpro();
}
})
})
 
獲取到對應(yīng)數(shù)據(jù)之后，調(diào)用JQ方法Searchpro()，把數(shù)據(jù)傳到后臺進行數(shù)據(jù)查詢
 

 
前端代碼如下所示：
function Searchpro(page){
var all = $(".filter").find("input");
var arr = [];
all.each(function(){
if($(this).is(':checked')){
var id = $(this).attr('id');
arr.push(id);
}
});
var cid = arr.join(',');　　//arr是以&分割的字符串
if(cid==''){
var cid = 0;
}
$.ajax({
type:'post',
url: "{:U('Products/index')}",
data:{'cid':cid,'page':page},
success:function(data) {
if (data.status == 1) {
$(".fadeInRight").html(data.html);
$(".pagetion").show();
$(".pagetion").html(data.page);
}else{
$(".fadeInRight").html(data.empty);
$(".pagetion").hide();
}
}
})
}
 
后臺獲取前端傳過來的數(shù)據(jù)進行處理

if (IS_AJAX) {
$cid = I('cid');
$page = I('page');
$html = '';
$map['is_show']=array('eq',1);
$map['status']=array('eq',1);
if($cid!='0'){
$pid = M('keyword')->where(array('parent_id'=>$cid))->select();
if($pid){
$cid_list = array();
foreach($pid as $k=>$v){
$cid_list[] = $v['category_id'];
}
$count1=count($cid_list);
if ($count1>1) {
foreach ($cid_list as $k1 => $v1) {
if ($k1+1==$count1) {
$mapc.='find_in_set("'.$v1.'",relax_keyword)';
}else{
$mapc.='find_in_set("'.$v1.'",relax_keyword) or ';
}
}
}else{
$mapc.='find_in_set("'.$cid_list[0].'",relax_keyword)';
}
$map['_string']=$mapc;
}else{
$cid = explode(",",$cid);
$count1=count($cid);
if ($count1>1) {
foreach ($cid as $k1 => $v1) {
if ($k1+1==$count1) {
$mapc.='find_in_set("'.$v1.'",relax_keyword)';
}else{
$mapc.='find_in_set("'.$v1.'",relax_keyword) or ';
}
}
}else{
$mapc.='find_in_set("'.$cid[0].'",relax_keyword)';
}
$map['_string']=$mapc;
}
}
// print_r($map);die;
if(empty($page)){
$page=1;
}
$listRows=9;
$order = 'order_id asc,id asc';
$pageList = 4;
$now_cool_page = $pageList/2;
$now_cool_page_ceil = ceil($now_cool_page);
$count = M('products')->where($map)->count();
$firstRow = $listRows * ($page -1);
//分頁內(nèi)容
$manuals = M('products')->where($map)->order($order)->limit($firstRow . ',' . $listRows)->select();
foreach ($manuals as $key => $v) {
$v['picture'] = unserialize($v['picture']);
$content_html .='

•  
   

   
   
   

  '.$v['title'].'

   

  '.$v['title2'].'

   

  '.$v['detail'].'
   
  View Details
  
   


• ';
  $data['status'] = 1;
  }
  $maxPage = ceil($count / $listRows);
  $page_html = '';
  if ($manuals) {
  //上一頁
  $up_row  = $page - 1;
  $page_html .= $up_row > 0 ? '': '';
  for ($i=1; $i <= $pageList ; $i++) {
  if (($page-$now_cool_page) <= 0) {
  $num  = $i;
  } elseif(($page+$now_cool_page -1) >= $maxPage) {
  $num  = $maxPage - $pageList + $i;
  } else {
  $num = $page - $now_cool_page_ceil + $i;
  }
  if($num > 0 && $num != $page){
  if($num <= $maxPage){
  $page_html .= '' . $num . '';
  }else{
  break;
  }
  }else{
  if($num > 0 && $maxPage != 1){
  $page_html .= '' . $num . '';
  }
  }
  }
  //下一頁
  $down_row  = $page + 1;
  $page_html .= ($down_row <= $maxPage) ? '' : '';
  }else{
  $data['status'] = 0;
  $data['empty'] = '
  No record
  ';
  }
  $data['page'] = $page_html;
  $data['html'] = $content_html;
  $this->ajaxReturn($data);
  }