jQuery實現購物車多物品數量的加減+總價+刪除計算

最後更新：2014-07-02 來源：互聯網

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 <?phpsession_start(); ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><head> <title>jQuery實現購物車多物品數量的加減+總價+刪除計算</title> <script type="text/javascript" src="jquery-1.8.3.min.js"></script> <script> $(function(){     var _url = $(‘#siteurl‘).val();    $(‘.delete‘).click(function(){      var t=$(this).parent(‘td‘).parent(‘tr‘);      var tt=$(this).parent(‘td‘).find(‘input[class*=text_box]‘);      tt.val(0);              setTotal();      t.hide();    });    $(".add").click(function(){         var t=$(this).parent(‘td‘).find(‘input[class*=text_box]‘);         t.val(parseInt(t.val())+1);         setTotal();     });     $(".min").click(function(){         var t=$(this).parent(‘td‘).find(‘input[class*=text_box]‘);         t.val(parseInt(t.val())-1)         if(parseInt(t.val())<1){             t.val(1);         }     setTotal();   });  $(‘.text_box‘).keyup(function(){    setTotal();  });    function setTotal(){     var s=0;     $("#tab td").each(function(){       var numbers = parseInt($(this).find(‘input[class*=text_box]‘).val());      if($.isNumeric(numbers))      {            numbers = parseInt(numbers);      }else     {        numbers = 1;     }      $(this).find(‘input[class*=text_box]‘).val(numbers);      s += numbers*parseFloat($(this).find(‘span[class*=price]‘).text());         // bof 用ajax在_url中刪除指定的購物車中$_SESSION相關資訊        var pid =$(this).find(‘input[class*=product_id]‘);        $.ajax({            url:_url,      type: ‘post‘,            data:{proid : pid.val()},            success: function(data){                 // 回應                }        });         // end    });     $("#total").html(s.toFixed(2));   }  // setTotal(); }); </script> </head> <body> <form action="./myform.php" method="post"><input type="hidden" name="siteUrl" id="siteurl" value="siteUrl.php" /><table id="tab"> <tr> <td> <span>單價:</span><span class="price">1.50</span> <input class="product_id" type="hidden" name="product_id" value="value" /><input class="min" name="" type="button" value="-" /> <input class="text_box" name="name2" type="text" value="1" /> <input class="add" name="" type="button" value="+" /> <a href="javascript:void(0);" class="delete">刪除</a></td> </tr> <tr> <td> <span>單價:</span><span class="price">3.95</span> <input class="min" name="" type="button" value="-" /> <input class="text_box" name="name1" type="text" value="1" /> <input class="add" name="" type="button" value="+" /> <a href="javascript:void(0);" class="delete">刪除</a></td> </tr> </table> <input type="submit" name="submit" value="submit" /></form> 總價：<label id="total"></label>   <div id="product_id_value"><?php print_r($_SESSION); ?></div></body> </html>

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