我有一个PHP页面，显示带有单选按钮的MySQL查询总数。这是一个表格。用户应选择一个单选按钮来填写所有表格，然后总数将存储在数据库中，我想将所选单选按钮的总值传递到下一页并打印出来。
我知道这很容易，但我无法解决问题。
我的PHP页面代码如下：
<?php
session_start();
$Load=$_SESSION['login_user'];
include('../connect.php');
$sql= "Select name from student where ID='$Load'";
$username = mysql_query($sql);
$id=$_SESSION['login_user'];
if (isset($_POST['submit']))
{
$v1 = $_POST['v1'];
$v2 = intval($_POST['v2']);
$v3 = intval($_POST['v3']);
$v4 = intval($_POST['v4']);
$total = $2 + $v3 + $v4 ;
mysql_query("INSERT into Form1 (ID,P1,P2,P3,TOTAL)
values('$id','$v2','$v3','$v4','$total')") or die(mysql_error());
header("Location: mark.php");
}
?>
<html>
<head>
<?php
if(!isset($_SESSION['login_user']))
header("Location:index.html");
?>
<title>Q&A Form</title>
</head>
<body>
<center><form method="post" action="mark.php" >
<table style="width: 20%" >
<font size='4'>
<table style="width: 70%">
<tr>
<th > School Evaluation <font size="4" > </font></th>
<tr>
<th> Your attendance<font size="4" > </font></th>
<td> <input type="radio" name ="v2" value = "4" onclick="updateTotal();" /></td>
<td> <input type="radio" name ="v2" value = "3" onclick="updateTotal();" /></td>
<td> <input type="radio" name ="v2" value = "2" onclick="updateTotal();" /></td>
<td> <input type="radio" name ="v2" value = "1" onclick="updateTotal();" /></td>
</tr>
<tr>
<th > Your grades <font size="4" > </font></th>
<td> <input type="radio" name ="v3" value = "4" onclick="updateTotal();" /></td>
<td> <input type="radio" name ="v3" value = "3" onclick="updateTotal();" /></td>
<td> <input type="radio" name ="v3" value = "2" onclick="updateTotal();" /></td>
<td> <input type="radio" name ="v3" value = "1" onclick="updateTotal();" /></td>
</tr>
<tr>
<th >Your self-control <font size="4" > </font></th>
<td> <input type="radio" name ="v4" value = "4" onclick="updateTotal();" /></td>
<td> <input type="radio" name ="v4" value = "3" onclick="updateTotal();" /></td>
<td> <input type="radio" name ="v4" value = "2" onclick="updateTotal();" /></td>
<td> <input type="radio" name ="v4" value = "1" onclick="updateTotal();" /></td>
</tr>
</tr>
</table>
<br>
<td><input type="submit" name="submit" value="Submit">
<input type="reset" name="clear" value="clear" style="width: 70px"></td>
</form>
</center>
</div>
</body>
</html>
当用户按下提交时，所有收音机输入都将存储在数据库中，它将转到mark.php我想在此页面中打印出总数如何将总数传递到下一页？
答案 0 :(得分：0)
PHP脚本中可能存在错误。
此...
$total = $2 + $v3 + $v4 ;
应该是
$total = $v2 + $v3 + $v4 ;
你的脚本有点令人困惑......这是我的重构建议：
<?php
session_start();
if (!isset($_SESSION['login_user'])) {
// User is not logged in so we redirect it to the login page
header("Location:index.html");
}
?>
<!DOCTYPE html>
<html>
<head>
<title>Q&A Form</title>
<!-- (head stuff) --></head>
<body>
<?php
//User is logged, let's retrieve user information
$userID = $_SESSION['login_user'];
// I Assume this is your database handler helper
include('../connect.php');
$query = sprintf("SELECT name FROM student WHERE ID = '%s'", $userID);
$username = mysql_query($query);
/* MULTI STEP FORM */
if (isset($_POST['submit_laststep'])) {
// User completed the multistep form
// We insert data in the database
// Insert data into database here (I don't know which data it is)
// but you can retrieve the data accessing $_SESSION
$v2 = $_SESSION['form_values']['step1']['v1'];
$v3 = $_SESSION['form_values']['step1']['v2'];
$v4 = $_SESSION['form_values']['step1']['v3'];
$total = $_SESSION['form_values']['step1']['total'];
$query = "INSERT into Form1 (ID,P1,P2,P3,TOTAL) values('$id','$v2','$v3','$v4','$total')";
mysql_query($query) or die(mysql_error());
// Print a thank you notice
print "<span>Thank you $username for submitting this form</span>";
} else if (isset($_POST['submit_step1'])) {
// User completed first step of form
// Handle form values
$v1 = $_POST['v1'];
$v2 = intval($_POST['v2']);
$v3 = intval($_POST['v3']);
$v4 = intval($_POST['v4']);
$_SESSION['form_values']['step1'] = array();
// Save values for further steps
// Mode 1 - Manual
/*
$_SESSION['form_values']['step1'] = array
(
'v1' => $v1,
'v2' => $v2,
'v3' => $v3,
'v4' => $v4
);
*/
// This process can be form value agnostic, like this:
// Mode 2 - More automatic (field agnostic, saves everything).
foreach ($_POST as $k => $v) {
$_SESSION['form_values']['step1'][$k] = $v;
}
// Calculate total
$total = $v2 + $v3 + $v4 ;
// save total to session too
$_SESSION['form_values']['step1']['total'] = $total;
// We print the sum of the radio buttons like you asked
print "<span>Total from previous: $total</span>";
include ('step2.form.html');
} else {
//User has not completed step 1, so we show step 1 form
include ('step1.form.html');
}
?>
</body>
</html>
<强>形式：
表单1：
<form id ="step1" method="post" action="">
<table>
<tr><th colspan="4">School Evaluation</th></tr>
<tr><td colspan="4">Your attendance</td></tr>
<tr>
<td><input type="radio" name ="v2" value = "4" onclick="updateTotal();" /></td>
<td><input type="radio" name ="v2" value = "3" onclick="updateTotal();" /></td>
<td><input type="radio" name ="v2" value = "2" onclick="updateTotal();" /></td>
<td><input type="radio" name ="v2" value = "1" onclick="updateTotal();" /></td>
</tr>
<tr><td colspan="4">Your grades</td></tr>
<tr>
<td><input type="radio" name ="v3" value = "4" onclick="updateTotal();" /></td>
<td><input type="radio" name ="v3" value = "3" onclick="updateTotal();" /></td>
<td><input type="radio" name ="v3" value = "2" onclick="updateTotal();" /></td>
<td><input type="radio" name ="v3" value = "1" onclick="updateTotal();" /></td>
</tr>
<tr><td colspan="4">Your self-control</td></tr>
<tr>
<td><input type="radio" name ="v4" value = "4" onclick="updateTotal();" /></td>
<td><input type="radio" name ="v4" value = "3" onclick="updateTotal();" /></td>
<td><input type="radio" name ="v4" value = "2" onclick="updateTotal();" /></td>
<td><input type="radio" name ="v4" value = "1" onclick="updateTotal();" /></td>
</tr>
<tr>
<td colspan="4">
<input type="submit" name="submit_step1" value="Next">
<input type="reset" name="clear" value="clear" style="width: 70px">
</td>
</tr>
</table>
</form>
form2示例！
<form id ="steplast" method="post" action="">
<!-- form stuff -->
<input type="submit" name="submit_steplast" value="Submit">
</form>