购物车以php原生cookie实现

index.php //入口文件

<?php/** * @name index.php * @decs * @author 老猫 <18368091722@163.com> * updated on: 2019/5/30 9:49 */include "goods.php";

　　conn.inc.php //数据库连接常量设置

<?php/** * @name conn.inc.php * @decs 数据库常量配置 * @author 老猫 <18368091722@163.com> * updated on: 2019/5/30 9:43 */define("host",'13.232.50.253');define("ur",'liuyu');defin瓦解的意思e("pwd",'94492474');define("dbname",'onecms');

　　mysqli.php //数据库连接

<?php/** * @name mysqli.php * @decs 数据库连接 * @author 老猫 <18368091722@163.com> * updated on: 2019/5/30 9:44 */include 'conn.inc.php';$mysqli=new mysqli(host,ur,pwd,dbname);if($mysqli->connect_errno){    die('数据库连接出现错误，请检查配置'.$mysqli->connect_error);}

　　goods.php //商品展示

<?php/** * @name goods.php * @decs * @author 老猫 <18368091722@163.com> * updated on: 2019/5/30 9:46 */header("content-type:text/html;chart=utf-8");include "mysqli.php";?><div style='width:800px;float:none'>    <h1>商品列表</h1>    <!--    显示当前系统时间-->    <h3><p id="demo"></p>        <script>            var myvar=tinterval(function(){mytimer()},1000);            function mytimer() {                var d = new date();                document.getelementbyid("demo").innerhtml = d.tolocaletimestring();            }        </script>    </h3>    <form method="get" action="">        <table style="100%" border="1">            <tr>                <td>                    <lect name="gid">                        <option value="0">请选择商品</option>                        <?php                        /**                         * @name show                         * @decs 无限级分类                         * 关联model：                         * @param $fid                         * @param $i                         * @author 老猫 <18368091722@163.com>                         * updated on: 2019/5/30 10:12                         */                        function show($fid,$i)                        {                            global $mysqli;//全球变量关键字，将前面的变量作用域使其在函数内生效                            $sql = "lect *from goodstype where fid=$fid";                            $result = $mysqli->query($sql);                            $str=" ";                            $i++;                            for($n=1;$n<$i;$n++) {                                $str .= "---";                            }                            $id=ist($_get["gid"])?$id=$_get["gid"]:"";                            ?>                            <?php                            while ($row = $result->fetch_assoc()) {                                ?>                                <option <?php if($id==$row['id']){echo "lected";}?> id="<?php echo $str.$row["classname"] ?>" value="<?php echo $row["id"] ?>">                                    <?php echo $str.$row["classname"] ?>                                </option>                                <?php                                show($fid=$row["id"],$i);                                ?>                                <?php                            }                        }                        show(0,0);                        ?>                        <input id="lect" type="submit" value="查询"></lect></td></tr>        </table>    </form></div><div style="float: none;width: 600px">    <?php    $id=ist($_get["gid"])?$id=$_get["gid"]:"";    if(!empty($id)){        $sql="lect *from goods where goodstypefid=$id or goodstypefstr like '%$id%' and checkinfo=1 and delstate=0";    }el{        $sql="lect *from goods";    }    $result=$mysqli->query($sql);    ?>    <table border="1" cellpadding="3" cellspacing="0" width="60%">        <tr bgcolor="skyblue">            <?php            while($row=$result->fetch_assoc()){                ?>                <td >                    <image width="200px" 社区矫正工作总结height="200px" src="<?php echo $row["picurl"]?>"></image>                    <a title="查看商品详细信息" href="goodsshow.php?id=<?php echo $row["id"]?>"><?php echo $row["title"]?></a>                </td>                <?php            }            ?>        </tr&小学庆六一活动总结gt;    </table></div>

　　goodsshow.php //商品详情页展示

<?php/** * @name goodsshow.php * @decs * @author 老猫 <18368091722@163.com> * updated on: 2019/5/30 10:15 */header("content-type:text/html;chart=utf-8");include "mysqli.php";?><?php$id=ist($_get["id"])?$_get["id"]:1;$sql="update goods t hits=hits+1 where id=".$id;$mysqli->query($sql);$sql="lect *from goods where id=".$id;$result=$mysqli->query($sql);while($row=$result->fetch_assoc()){?><div>    <span><?php echo $row["title"] ?></span>    <hr>    <image src="<?php echo $row["picurl"] ?>" width="200"></image>    <br>    数量:-<input type="text" id="buynum" value="1">+    价格:    <del>市场价:<?php echo $row["marketprice"] ?></del>    出售价:<i style="color: red"><?php echo $row["salesprice"] ?></i>    <input type="hidden" id="id" value="<?php echo $row["id"] ?>">    <hr>    内容:<?php echo $row["content"] ?><br>    <a href="javascript:;" onclick="buynow()">立刻购买</a>  <a href="javascript:;" onclick="addshoppingcart()">加入购物车</a>    <?php    }    ?></div><script src="jquery.min.js"></script>    <script>    //立即购买    function buynow(){        //先添加到购物车再进行跳转到购买页面        addshoppingcart("buy");    }    //添加到购物车    function addshoppingcart(a){        $.ajax({            url:"shoppingcart.php?a=addshoppingcart",            type:"post",            data:{'buynum':$("#buynum").val(),'id':$("#id").val()},            datatype:"html",            success:function 王熙强(data) {            if(a=="buy"){                location.href="shoppingcart.php?a=buynow";            }el{                if(data){                    alert("添加购物车成功!");                }            }        }        })    }</script>

　　shoppingcart.php //购物车功能

<?php/** * @name shoppingcart.php * @decs * @author 老猫 <18368091722@163.com> * updated on: 2019/5/30 10:20 */header("content-type:text/html;chart=utf-8");include "mysqli.php";$a=ist($_get["a"])?$_get["a"]:"";//添加购物车if($a=="addshoppingcart"){    $buynum=$_post["buynum"];    $id=$_post["id"];//    echo "<script>alert($buynum+$id)</script>";    if(!empty($_cookie["shoppingcart"]))        $shoppingcart=unrialize($_cookie["shoppingcart"]);    el        $shoppingcart=array();    if(ist($id) && ist($buynum)){        $id=intval($id);        $buynum=intval($buynum);        $shoppingcart[]=array($id,$buynum);    }    tcookie('shoppingcart',rialize($shoppingcart));//商品属性进行序列化保存到cookie中    return true;}elif($a=="buynow") {    //下面写购物车页面    if (!empty($_cookie["shoppingcart"])) {        ?>        <table width="36%" border="1" cellspacing="0" cellpadding="0">            <tr bgcolor="#87ceeb">                <td width="20%">商品id</td>                <td width="35%" height="30">商品名称</td>                <td width="25%">购买数量</td>                <td width="15%">价格</td>                <td width="5%">操作</td>            </tr>            <tr>                <td height="10" colspan="4"></td>            </tr>            <?php            $totalprice = "";            $shoppingcart = unrialize($_cookie["shoppingcart"]);            foreach ($shoppingcart as $key => $value) {                $keys = array($key);                ?>                <tr>                    <td><?php echo $value[0] ?></td>                    <td height="30">                        <?php                        $sql = "lect *from goods where id=" . intval($value[0]);                        $result = $mysqli->query($sql);                        $row = $result->fetch_assoc();                        $totalprice += $row["salesprice"] * $value[1];  古尔邦节是什么意思                      echo '<a href="goodsshow.php?cid=' . $row['goodstypeid'] . '&id=' . $row['id'] . '" class="title" target="_blank">' . $row['title'] . '</a>';                        ?>                    </td>                    <td><?php echo $value[1] ?></td>                    <td><?php echo $row["salesprice"] * $value[1] ?></td>                    <td> <a href="shoppingcart.php?a=delone&key=<?php echo $key ?>" onclick="">取消</a></td>                </tr>                <?php            }            ?>        </table>        <hr>        <span style="float: left;width: 250px;height: 150px">        总价格:<?php echo $totalprice ?><a href="">下一步</a>  <a href="shoppingcart.php?a=empty">清空购物车</a>    </span>        <?php    }}elif($a=="delone"){    $key=$_get["key"];    $shoppingcart=unrialize($_cookie["shoppingcart"]);    unt($shoppingcart[$key]);    if(empty($_cookie)){        tcookie($shoppingcart,"",time()-3600);    }elif(empty($shoppingcart)){        tcookie("shoppingcart",rialize($shoppingcart));        echo "<div class='shoppingcartempty'>您的购物车目前没有商品！3秒后跳回首页......</div>";        header("refresh:3;url=goods.php");    }el{        tcookie("shoppingcart",rialize($shoppingcart));        header("location:shoppingcart.php?a=buynow");    }    exit();}//清空购物车elif($a=="empty"){    //清除整个cookie保存的商品信息    unt($_cookie["shoppingcart"]);    tcookie("shoppingcart","",time()-3600);    echo "<div class='shoppingcartempty'>您的购物车目前没有商品！3秒后跳回首页......</div>";    header("refresh:3;url=goods.php");}

以上摘自php中文网