php商品对比功能代码分享

//添加显示对比框
function addcompare(chk){
$('#goods-compare').fadeIn().show();
var count=$(".compare-box li").length;
if (count>2)//这里可以修改对比的数据哦
{
alert('产品比较最多选3种哦');
return;
}

$.ajax({
type: 'post',url: 'ajax.php',data: {
'action':'1','gid':chk.gid,//商品ID
'gname':chk.gname,//商品名称
'gtype':chk.gtype//商品类别，类别不同时不能比较
},cache: false,async: false,success: function(result) {
if(result!='')
{
alert(result);
}else{
var url='http://www.lusen.com/product-'+chk.gid+'.html';//设置商品的链接地址
$(".compare-box").append("

'"+chk.gname+"'

<span onclick="removecompare('"+chk.gid+"');">删除

")
$("#comids").val($(".compare-box li").map(function(){//将对比的所有商品ID，赋值给#comids
return $(this).attr('id');
}).get().join(","));
}
}
});
}

//删除对比产品
function removecompare(id)
{
$.ajax({
type: 'post',data: {
'action':'2','gid':id
},success: function(result) {
$("#"+id).remove();
$("#comids").val($(".compare-box li").map(function(){
return $(this).attr('id');
}).get().join(","));
}
});

}
//清空对比产品
function clearcompare()
{
$.ajax({
type: 'post',data: {
'action':'3'
},success: function(result) {
$(".compare-box").html('');
$("#comids").val('');
}
});
}
//显示对比框
function showcompare()
{
$.ajax({
type: 'post',data: {
'action':'4'
},success: function(result) {
if(result){
$(".compare-box").append(result);
$("#comids").val($(".compare-box li").map(function(){
return $(this).attr('id');
}).get().join(","));
$('#goods-compare').fadeIn().show();
}
}
});

}

//点击关闭对比框
$('.close-gc').click(function(){
$('#goods-compare').fadeOut().hide();
});

2) {//商品比较数量 echo "商品比较最多选3种"; return; } foreach($arr as $val) { if($val[0]==$_POST['gid']) { echo "该商品已经加入对比框"; return; } } $info=array($_POST['gid'],$_POST['gname'],$_POST['gtype']); $arr[]=$info; $arr_str=serialize($arr); setcookie('gid',$arr_str); }else { $info=array($_POST['gid'],$arr_str); } }else if($_POST['action']=='2') {//delone $id=$_POST['gid']; $arr_str = $_COOKIE['gid']; $arr=mb_unserialize($arr_str); foreach($arr as $key=>$val) { if($val[0]==$id) { unset ($arr[$key]); } } $arr_str=serialize($arr); setcookie('gid',$arr_str); }else if($_POST['action']=='3') {//delall setcookie('gid',''); setcookie('gtype',''); }else if($_POST['action']=='4') {//showlist if(isset($_COOKIE['gid'])) { $data=''; $arr_str = $_COOKIE['gid']; $arr=mb_unserialize($arr_str); foreach ($arr as $val){ $url="http://www.lusen.com/product-".$val[0].".html"; $data.="

{$val[1]}

"; } echo $data; } } ?>