0

我有一个表单，我无法控制要编辑的 php。我需要它，以便在它发送值时发送项目的描述，但我需要该值来添加总计字段的价格。有没有办法进行设置，以便我可以发送项目的描述，但仍将值保留为数字，以便添加总数？

        <div id="cid_7" class="form-input">
      <select class="form-dropdown validate[required]" onchange="code(1)" style="width:150px" id="input_7" name="q7_ticketOptions">
        <option>  </option>
        <option value="300"> VIP Floor Seats - $300.00 </option>
        <option value="40"> Section 101 Upper Level - $40.00 </option>
        <option value="60"> Section 101 Mid Level - $60.00 </option>
        <option value="150"> Section 101 Lower Level - $150.00 </option>
        <option value="40"> Section 102 Upper Level - $40.00 </option>
        <option value="60"> Section 102 Mid Level - $60.00 </option>
        <option value="150"> Section 102 Lower Level - $150.00 </option>
        <option value="40"> Section 103 Upper Level - $40.00 </option>
        <option value="60"> Section 103 Mid Level - $60.00 </option>
        <option value="150"> Section 103 Lower Level - $150.00 </option>
        <option value="20"> Section 104 Upper Level - $20.00 </option>
        <option value="60"> Section 104 Mid Level - $60.00 </option>
        <option value="20"> Section 107 Upper Level - $20.00 </option>
        <option value="60"> Section 107 Mid Level - $60.00 </option>
        <option value="40"> Section 108 Upper Level - $40.00 </option>
        <option value="60"> Section 108 Mid Level - $60.00 </option>
        <option value="150"> Section 108 Lower Level - $150.00 </option>
        <option value="40"> Section 109 Upper Level - $40.00 </option>
        <option value="60"> Section 109 Mid Level - $60.00 </option>
        <option value="150"> Section 109 Lower Level - $150.00 </option>
        <option value="40"> Section 110 Upper Level - $40.00 </option>
        <option value="60"> Section 110 Mid Level - $60.00 </option>
        <option value="150"> Section 110 Lower Level - $150.00 </option>
        <option value="40"> Section 111 Upper Level - $40.00 </option>
        <option value="60"> Section 111 Mid Level - $60.00 </option>
        <option value="150"> Section 111 Lower Level - $150.00 </option>
        <option value="40"> Section 112 Upper Level - $40.00 </option>
        <option value="60"> Section 112 Mid Level - $60.00 </option>
        <option value="150"> Section 112 Lower Level - $150.00 </option>
        <option value="20"> Section 113 Upper Level - $20.00 </option>
        <option value="60"> Section 113 Mid Level - $60.00 </option>
        <option value="40"> Section 114 Upper Level - $40.00 </option>
        <option value="60"> Section 114 Mid Level - $60.00 </option>
        <option value="40"> Section 115 Upper Level - $40.00 </option>
        <option value="60"> Section 115 Mid Level - $60.00 </option>
        <option value="20"> Section 116 Upper Level - $20.00 </option>
        <option value="60"> Section 116 Mid Level - $60.00 </option>
        <option value="40"> Section 117 Upper Level - $40.00 </option>
        <option value="60"> Section 117 Mid Level - $60.00 </option>
        <option value="150"> Section 117 Lower Level - $150.00 </option>
        <option value="40"> Section 118 Upper Level - $40.00 </option>
        <option value="60"> Section 118 Mid Level - $60.00 </option>
        <option value="150"> Section 118 Lower Level - $150.00 </option>
      </select>
    </div>
  </li>
  <li class="form-line" id="id_23">
    <label class="form-label-left" id="label_23" for="input_23"> Quantity<span class="form-required">*</span></label>
    <div id="cid_23" class="form-input">
      <select class="form-dropdown validate[required]" onchange="code(2)" style="width:150px" id="input_23" name="q23_quantity">
        <option>  </option>
        <option value="1"> 1 </option>
        <option value="2"> 2 </option>
        <option value="3"> 3 </option>
        <option value="4"> 4 </option>
        <option value="5"> 5 </option>
        <option value="6"> 6 </option>
        <option value="7"> 7 </option>
        <option value="8"> 8 </option>
        <option value="9"> 9 </option>
        <option value="10"> 10 </option>
      </select>
    </div>
  </li>
  <li class="form-line" id="id_22">
    <label class="form-label-right" id="label_22" for="cost">Total &nbsp; &nbsp; $</label>
    <div id="cid_22" class="form-input">
      <input type="text" name="q22_total" id="cost" onfocus="this.blur()" style="width:50px"/> 
    </div>
  </li>

这是Javasript：

<script type="text/javascript">
function code() { // forget the parameter
var varone = document.getElementById('input_7');
var vartwo = document.getElementById('input_23');
var cost = document.getElementById('cost');

var total = parseFloat(varone.value) * parseFloat(vartwo.value);
cost.value = total;
}
</script>
4

1 回答 1

0

好吧，如果您将所有这些计算保存在数据库中，那么首先您应该创建一个表'ticket_options'，您应该在其中将它提供在两列中，例如

'q7_ticketOptions' 的第 1 列，'ticketRates' 的第 2 列

<select class="form-dropdown validate[required]" onchange="code(1);,showUser(this.value);" style="width:150px" id="input_7" name="q7_ticketOptions">
 <option  selected="selected"  disabled="disabled">Choose TicketOptions</option>
        <?php
       $sql=mysql_query("select * from ticket_options order by id ASC");
        while($val=mysql_fetch_array($sql))
         {
         ?>
        <option> <?php print $val['q7_ticketOptions']; ?>
        </option>
        <?php  } ?>
   </select>  
  <div  align="right" id="txtHint"><strong>Choose ticketOptions </strong></div>

比在页面的 head 部分创建此功能：

 <script>
  function showUser(str)
      {
        if (str=="")
          {
      document.getElementById("txtHint").innerHTML="";
  return;
 }
    if (window.XMLHttpRequest)
    {// code for IE7+, Firefox, Chrome, Opera, Safari
 xmlhttp=new XMLHttpRequest();
  }
 else
  {// code for IE6, IE5
    xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
     xmlhttp.onreadystatechange=function()
   {
   if (xmlhttp.readyState==4 && xmlhttp.status==200)
{
document.getElementById("txtHint").innerHTML=xmlhttp.responseText;
}
    }
 xmlhttp.open("GET","getrate.php?q="+str,true);
  xmlhttp.send();
 }
    </script>

 <script>

然后创建一个php页面'getrate.php'。并编写以下代码：

 <?php
   $q=$_GET["q"];

    $con = mysql_connect('localhost', 'root', '');
    if (!$con)
    {
   die('Could not connect: ' . mysql_error());
    }

  mysql_select_db("database", $con);

 $sql="SELECT * FROM ticket_options WHERE q7_ticketOptions = '".$q."'";

  $result = mysql_query($sql);

    while($row = mysql_fetch_array($result))
       {

        ?>
  <input type="text" style="text-align:right" name="t_rate" value="<?php echo  $row['ticketRates'] ;  ?>" id="tax0" size="5" />


 <?php

    }


   mysql_close($con);
    ?>

它是如何工作的：当您从选择框名称=“q7_ticketOptions”中选择选项时，它会在一个新框中显示您的票价，而不是使用下一个下拉列表名称=“q23_quantity”进行计算希望它会对您有所帮助。

于 2013-02-27T19:51:49.437 回答