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Simple implementation code and examples of php shopping cart

WBOY
Release： 2016-07-25 08:59:36
Original
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  3. session_start();

  4. $conn=mysql_connect("localhost","root","admin");
  5. mysql_select_db("songyu");
  6. //检查数组元素出现次数
  7. function check_count($array,$element)
  8. {
  9. $times=0;
  10. for($i=0;$i {
  11. if($element==$array[$i])
  12. {
  13. $times++;
  14. }
  15. }
  16. return $times;
  17. }
  18. if(isset($_GET["p_id"]))
  19. {
  20. $p_id=$_GET["p_id"];
  21. }

  22. $total_price=0;

  23. array_push($_SESSION["cart"], $p_id);
  25. $cart=$_SESSION["cart"];
  26. echo "your cart:
    ";
  27. $new_array=array_count_values($cart);
  28. foreach ($new_array as $key => $value)
  29. {
  30. $sql="select * from product where id='".$key."'";
  31. $result=mysql_query($sql);
  32. $out=mysql_fetch_array($result);
  33. echo $out[name]."---个数:".$value."--".($out[price]*$value)."
    ";
  34. $total_price=$total_price+($out[price]*$value);
  35. }
  36. echo "

    ";
  37. echo "-----------总价--------------
    ";
  38. echo $total_price;
  39. ?>
  40. 回s

复制代码

2、login.php 登录页

  2. if(isset($_SESSION["user"]))
  3. {
  4. unset($_SESSION["user"]);
  5. }
  6. if(isset($_SESSION["cart"]))
  7. {
  8. unset($_SESSION["cart"]);
  9. }
  10. ?>
  12. username:

  13. password:

复制代码

3、product.php 产品页

  2. session_start();
  3. $conn=mysql_connect("localhost","root","admin");
  4. mysql_select_db("songyu");
  5. $sql_product="select * from product";
  6. $res=mysql_query($sql_product);
  7. if(!isset($_SESSION["cart"]))
  8. {
  9. $_SESSION["cart"]=array();
  10. }
  11. while($out2=mysql_fetch_array($res))
  12. {
  13. echo "".$out2[name]."
    ";
  14. echo $out2[price]."
    ";
  15. echo "
    ";
  16. }
  17. ?>
复制代码

4、product_index.php 产品索引页

  2. $conn=mysql_connect("localhost","root","admin");
  3. mysql_select_db("songyu");
  4. $sql="select * from user where username='".$_POST["username"]."' and password='".$_POST["password"]."'";
  5. $result=mysql_query($sql);
  6. $out=mysql_fetch_array($result); //bbs.it-home.org
  7. if(!$out)
  8. {
  9. echo "wrong!";
  10. }
  11. else
  12. {
  13. $_SESSION["user"]=$out[id];
  14. echo "<script>window.location.href='product.php'</script>";
  15. }
  16. ?>
复制代码


Related labels：
php 购物车的简单实现代码与示例
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