index.php //入口文件

      * Updated on: 2019/5/30 9:49 */include "goods.php";

　　conn.inc.php //数据库连接常量设置

      * Updated on: 2019/5/30 9:43 */define("HOST",'13.232.50.253');define("USER",'liuyu');define("PWD",'94492474');define("DBNAME",'onecms');

　　mysqli.php //数据库连接

      * Updated on: 2019/5/30 9:44 */include 'conn.inc.php';$mysqli=new mysqli(HOST,USER,PWD,DBNAME);if($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

      * Updated on: 2019/5/30 9:46 */header("Content-type:text/html;charset=utf-8");include "mysqli.php";?>
     
    
      
商品列表
    
          
      
            
    
      
        
       
  请选择商品 
             * 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 $sql = "select *from goodstype where fid=$fid"; $result = $mysqli->query($sql); $str=" "; $i++; for($n=1;$n<$i;$n++) { $str .= "---"; } $id=isset($_GET["gid"])?$id=$_GET["gid"]:""; ?> 
            fetch_assoc()) { ?> 
              id="
             " value="
             "> 
               
             
             
    
      
     
     
    
      query($sql);    ?>    
      
fetch_assoc()){                ?>                
                    ">                    ">
                           
     

　　goodsshow.php //商品详情页展示

      * Updated on: 2019/5/30 10:15 */header("Content-type:text/html;charset=utf-8");include "mysqli.php";?>
     query($sql);$sql="select *from goods where id=".$id;$result=$mysqli->query($sql);while($row=$result->fetch_assoc()){?>
     
    
      
           
      
    
      " width="200">    
      
    数量:-
      +    价格:    
      市场价:
           出售价:
      
           
      ">    
      
    内容:
      
      
    
      立刻购买  
      加入购物车    
      
     
    

　　shoppingcart.php //购物车功能

      * Updated on: 2019/5/30 10:20 */header("Content-type:text/html;charset=utf-8");include "mysqli.php";$a=isset($_GET["a"])?$_GET["a"]:"";//添加购物车if($a=="addshoppingcart"){    $buynum=$_POST["buynum"];    $id=$_POST["id"];//    echo "";    if(!empty($_COOKIE["shoppingcart"]))        $shoppingcart=unserialize($_COOKIE["shoppingcart"]);    else        $shoppingcart=array();    if(isset($id) && isset($buynum)){        $id=intval($id);        $buynum=intval($buynum);        $shoppingcart[]=array($id,$buynum);    }    setcookie('shoppingcart',serialize($shoppingcart));//商品属性进行序列化保存到cookie中    return true;}elseif($a=="buynow") {    //下面写购物车页面    if (!empty($_COOKIE["shoppingcart"])) {        ?>        
     
 $value) {                $keys = array($key);                ?>                
                  
       
                        
商品ID
                        
商品名称
                        
购买数量
                        
价格
                        
操作
                   
                   
                        
                   
                          
                            
         
                            
                        
         query($sql);                        $row = $result->fetch_assoc();                        $totalprice += $row["salesprice"] * $value[1];                        echo '' . $row['title'] . '';                        ?>                    
                            
         
                            
         
                            
 取消
                       
                                     
     
        
     
                总价格:
      下一步  清空购物车            
     您的购物车目前没有商品！3秒后跳回首页......";        header("Refresh:3;url=goods.php");    }else{        setcookie("shoppingcart",serialize($shoppingcart));        header("location:shoppingcart.php?a=buynow");    }    exit();}//清空购物车elseif($a=="empty"){    //清除整个cookie保存的商品信息    unset($_COOKIE["shoppingcart"]);    setcookie("shoppingcart","",time()-3600);    echo "
     
      您的购物车目前没有商品！3秒后跳回首页......
     
";    header("Refresh:3;url=goods.php");}

　　

以上摘自php中文网