購物車

時間  2019-11-24 標籤 購物車

1、登錄頁面php

封裝BDDAcss

1
<?php
class  DBDA{
     public  $host = "localhost" ;  //服務器地址
     public  $uid = "root" ;  //用戶名
     public  $pwd = "123" ;  //密碼
     public  $dbname = "shopping" ;  //數據庫名稱
     
     /*
         執行一條SQL語句的方法
         @param sql 要執行的SQL語句
         @param type SQL語句的類型，0表明查詢 1表明增刪改
         @return 若是是查詢語句返回二維數組，若是是增刪改返回true或false
     */
     public  function  query( $sql , $type =0){
         $db  =  new  MySQLi( $this ->host, $this ->uid, $this ->pwd, $this ->dbname);
         $result  =  $db ->query( $sql );
         if ( $type ){
             return  $result ;
         } else {
             return  $result ->fetch_all();
         }
     }
     public  function  strquery( $sql , $type =0){
         $db  =  new  MySQLi( $this ->host, $this ->uid, $this ->pwd, $this ->dbname);
         $result  =  $db ->query( $sql );
         if ( $type ){
             return  $result ;
             } else {
                 $arr  =  $result ->fetch_all();
                 $str  =  "" ;
                 foreach ( $arr  as  $v ){
                     $str  .= implode( "^" , $v ). "|" ;
                     }
                 $str  =  substr ( $str ,0, strlen ( $str )-1);
                 return  $str ;
                 }
         }
     //返回json數據的方法
     public  function  jsonquery( $sql , $type =0){
         $db  =  new  MySQLi( $this ->host, $this ->uid, $this ->pwd, $this ->dbname);
         $result  =  $db ->query( $sql );
         if ( $type ){
             return  $result ;
         } else {
             $arr  =  $result ->fetch_all(MYSQLI_ASSOC); //關聯數組
             return  json_encode( $arr ); //轉換json
             //json_decode()分解json
         }
     }
}

 

css樣式表html

 
     *{
     margin : 0px  auto ;
     padding : 0px ;
     }
#login{
     background-color : #0CF ;
     width : 30% ;
     height : 200px ;
     margin-top : 50px ;
     border : 5px  double  #060 ;
     }
#dl{
     color : #00F ;
     background-color : #9FF ;
     height : 30px ;
     text-indent : 10px ;
     vertical-align : bottom ;
     line-height : 30px ;
     }
#pwd{
     background-color : #CFF ;
     height : 70px ;
     }
#sb{
     background-color : #060 ;
     width : 200px ;
     height : 30px ;
     color : #CFF ;
     margin-top : 3px ;
     }              

 佈局樣式sql

 
<body>
     <form method= "post"  action= "dengluchuli.php" >
     <div id= "login" >
         <div align= "left"  id= "dl" >登陸頁面</div><br />
         <div id= "yhm"  align= "center" >用戶名：
         <input type= "text"  placeholder= "請輸入用戶名"  name= "uid" /></div><br />
         <div id= "pwd"  align= "center" >密   碼：
         <input type= "password"  placeholder= "請輸入密碼"  name= "pwd" /></div>
         <div align= "center" ><input type= "submit"  value= "登陸"  id= "sb" /></div>
     </div>
     </form>
</body>

 

2、登陸處理數據庫

 
<?php
session_start();
require_once  "../DBDA.class.php" ;
$db  =  new  DBDA();
 
$uid  =  $_POST [ "uid" ];
$pwd  =  $_POST [ "pwd" ];
 
$sql  =  "select password from login where username='{$uid}'" ;
$mm  =  $db ->strquery( $sql );
if (! empty ( $pwd ) &&  $pwd == $mm ){
     $_SESSION [ "uid" ] =  $uid ;
     header( "location:main.php" );
} else {
     header( "location:denglu.php" );
}

 3、主頁的css樣式json

 
　　　　　*{
     margin : 0px  auto ;
     padding : 0px ;
     }
　　　　　　#shang{
     background-color : #0FF ;
     width : 100% ;
     height : 60px ;
     vertical-align : bottom ;
     line-height : 90px ;
     text-indent : 10px ;
     }
　　#zuo{
     float : left ;
     background-color : #999 ;
     width : 30% ;
     height : 500px ;
     }
.caidan{
     width : 80% ;
     height : 60px ;
     background-color : #69F ;
     margin-top : 20px ;
     text-align : center ;
     vertical-align : middle ;
     line-height : 60px ;
     font-weight : bold ;
     }
　　#yous{
     height : 40px ;
     width : 100% ;
     background-color : #FFF ;
     vertical-align : bottom ;
     line-height : 60px ;
     text-indent : 10px ;
     color : #009 ;
     font-size : 20px ;
     }  
　　#you{
     background-color : #06F ;
     width : 70% ;
     height : 500px ;
     float : left ;
     }
　　table{
     color : #CF0 ;
     text-align : center ;
     }      

 主頁佈局數組

 
< body >
<? php
     session_start();
     if(empty($_SESSION["uid"])){
         header("location:denglu.php");
         exit;
     }
?>
     < div >
         < div  id="shang">< h2 >超牛逼購物網</ h2 ></ div >
         < div >
             < div  id="zuo">
                 < div  class="caidan">< a  href="main.php">瀏覽商品</ a ></ div >
                 < div  class="caidan">< a  href="zhanghu.php">查看帳戶</ a ></ div >
                 < div  class="caidan">< a  href="gouwuche.php">查看購物車</ a ></ div >
             </ div >
             < div  id="you">
             < div  id="yous">
<? php
     require_once"../DBDA.class.php";
     $db = new DBDA();
     if(!empty($_SESSION["gwc"])){
         $arr = $_SESSION["gwc"];
         $count = count($arr);//購物車中商品的數量
         $sum = 0;//商品總價
         foreach($arr as $v){
             $sql = "select price from fruit where ids ='{$v[0]}'";
             $danjia = $db->strquery($sql);
             $sum +=$danjia*$v[1];
         }
         echo "購物車中總共有{$count}種商品，總價爲：{$sum}元";
     }
?>
             </ div >
             < table  border="1" bordercolor="#CCFFFF" width="100%">
                 < tr  bgcolor="#339999" height="40">
                     < td >水果代號</ td >
                     < td >水果名稱</ td >
                     < td >水果價格</ td >
                     < td >水果產地</ td >
                     < td >貨架</ td >
                     < td >庫存量</ td >
                     < td >操做</ td >
                 </ tr >
<? php
     $sql = "select * from fruit";
     $arr = $db->query($sql);
     foreach($arr as $v){
         echo"< tr >
     < td >{$v[0]}</ td >
     < td >{$v[1]}</ td >
     < td >{$v[2]}</ td >
     < td >{$v[3]}</ td >
     < td >{$v[4]}</ td >
     < td >{$v[5]}</ td >
     < td >< a  href='tianjia.php?code={$v[0]}'>< input  type='button' value='添加購物車'/></ a ></ td >
         </ tr >";
     }
?>               
             </ table >
             </ div >
         </ div >
     </ div >
</ body >

帳號信息服務器

 
<? php
     session_start();
     if(empty($_SESSION["uid"])){
         header("location:login.php");
         exit;
     }
?>
< body >
< div >
     < div  id="shang">< h2 >帳戶信息</ h2 ></ div >
     < div >
         < div  id="zuo">
             < div  class="caidan">< a  href="main.php">瀏覽商品</ a ></ div >
             < div  class="caidan">< a  href="zhanghu.php">查看帳戶</ a ></ div >
             < div  class="caidan">< a  href="gouwuche.php">查看購物車</ a ></ div >
         </ div >
         < div  id="you">
             < div  id="yous">帳戶基本信息</ div >
             < table  border="1" bordercolor="#CCFFFF" width="100%">
                 < tr  bgcolor="#339999" height="40">
                     < td >用戶名</ td >
                     < td >姓名</ td >
                     < td >帳戶餘額</ td >
                 </ tr >
<? php
     $uid = $_SESSION["uid"];
     require_once "../DBDA.class.php";
     $db = new DBDA();
     $sql = "select * from login where username = '{$uid}'";
     $arr = $db->query($sql);
     foreach($arr as $v){
         echo"< tr >
             < td >{$v[0]}</ td >
             < td >{$v[1]}</ td >
             < td >{$v[3]}</ td >
         </ tr >";
     }
?>
         </ table >
         </ div >
     </ div >
</ div >
</ body >

 

購物車session

 
<! doctype  html>
< html >
< head >
< meta  charset="utf-8">
< title >無標題文檔</ title >
< link  href="main.css" rel="stylesheet" type="text/css">
< style  type="text/css">
     #st{
        
         color:#FFF;
         font-size:20px;
         margin-left:450px;
         }
</ style >
</ head >
<? php
     session_start();
     if(empty($_SESSION["uid"])){
         header("location:login.php");
         exit;
     }
?>
< body >
     < form  action="dingdantijiao.php" method="post">
     < div >
         < div  id="shang">< h2 >購物車</ h2 ></ div >
         < div >
             < div  id="zuo">
                 < div  class="caidan">< a  href="main.php">瀏覽商品</ a ></ div >
                 < div  class="caidan">< a  href="zhanghu.php">查看帳戶</ a ></ div >
                 < div  class="caidan">< a  href="gouwuche.php">查看購物車</ a ></ div >
             </ div >
             < div  id="you">
             < div  id="yous">購物車有如下商品</ div >
             < table  border="1" bordercolor="#CCFFFF" width="100%">
                 < tr  bgcolor="#339999" height="40">
                     < td >商品名稱</ td >
                     < td >商品單價</ td >
                     < td >購買數量</ td >
                     < td >操做</ td >
                 </ tr >
<? php
     require_once "../DBDA.class.php";
     $db = new DBDA();
     $sql = "select * from ordertails";
     $arr = $_SESSION["gwc"];
     foreach($arr as $v){
         $sql = "select name,price from fruit where ids='{$v[0]}'";
         $name = $db->query($sql);
         echo "< tr >
         < td >{$name[0][0]}</ td >
         < td >{$name[0][1]}</ td >
         < td >{$v[1]}</ td >
         < td >< a  href='del.php?code={$v[0]}'>< input  type='button' value='刪除' /></ a ></ td >
     </ tr >";
     }
?>             
             </ table >
             < br >
             < a  href="dingdantijiao.php?ids={$v[0]}" rel="external nofollow" id="st">提交訂單</ a >
             </ div >
         </ div >
     </ div >
     </ form >
     
</ body >
</ html >

 

刪除商品處理佈局

 
<?php
session_start();
$code  =  $_GET [ "code" ];
$arr  =  $_SESSION [ "gwc" ];
//var_dump($arr);
//取索引2（數量）
foreach  ( $arr  as  $k => $v )
{
     if ( $v [0]== $code )
     {
         if ( $v [1]>1){
             //要刪除的數據
            $arr [ $k ][1]-=1;
         }
         else {
             //數量爲1的狀況下，移除該數組
             unset( $arr [ $k ]);
         }
     }
 
}
 
$_SESSION [ "gwc" ] =  $arr ;
//記得扔到session裏面
header( "location:gouwuche.php" );
//刪除完跳轉回去

 提交訂單

 
<?php
session_start();
$ids  =  $_GET [ "ids" ];
//查看餘額
$uid  =  $_SESSION [ "uid" ];
require_once  "../DBDA.class.php" ;
$db  =  new  DBDA();
$sql  =  "select account from login where username='{$uid}'" ;
$arr  =  $db ->query( $sql ,0);
$aye  =  $arr [0][0]; //餘額
//var_dump($aye);
if (! empty ( $_SESSION [ "gwc" ])){
      $arr  =  $_SESSION [ "gwc" ];
      $sum  = 0;
      //$numbers = count($arr);
      foreach ( $arr  as  $v ){
       $sql  =  "select * from fruit where ids='{$v[0]}'" ;
       $price  =  $db ->query( $sql ,0);
       $dj  =  $price [0][2];
       $sum  =  $sum + $dj * $v [1];
      }
} else {
  echo  "您還未購買商品!" ;
  //header("shopping_list.php");
  exit ;
}
//判斷餘額是否知足購買
if ( $aye >= $sum ){
  //判斷庫存
      foreach ( $arr  as  $v ){
           $skc  =  "select name,numbers from fruit where ids='{$v[0]}'" ;
           $akc  =  $db ->query( $sql ,0);
           //var_dump($akc);
           $kc  =  $akc [0][4]; //庫存
           //var_dump($kc);
            
           if ( $kc < $v [1]){
            echo  "庫存不足!" ;
            exit ;
           }
      }
      //提交訂單
      //帳戶扣除餘額
      $skye  =  "update login set account=account-'{$sum}' where username='{$uid}'" ;
      $zhye  =  $db ->query( $skye ,1);
       
      //扣除庫存
      foreach ( $arr  as  $v ){
          $skckc  =  "update fruit set numbers=numbers-'{$v[1]}' where ids='{$v[0]}'" ;
          $sykc  =  $db ->query( $skckc ,1);
      }
      //添加訂單
      $ddh  =  date ( "Y-m-d H:i:s" );
      $time  = time();
      $stjd  =  "insert into orders values('{$time}','{$uid}','{$ddh}')" ;
      $wcdh  =  $db ->query( $stjd ,1);
      //添加訂單詳情
      foreach ( $arr  as  $v ){
           $ddxq  =  "insert into orderdetails values('','{$ddh}','{$v[0]}','{$v[1]}')" ;
           $axq  =  $db ->query( $ddxq ,1);
      }
} else {
  echo  "餘額不足,請充值!" ;
  exit ;
}
unset( $_SESSION [ "gwc" ]);
header( "location:main.php" );

 

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