php - 单选按钮值未存储在数据库中

标签 php html mysql database xampp

one.html:

<!DOCTYPE HTML>
<html> 
<head> 
<title>page1</title> 
<link rel="stylesheet" type="text/css" href="style.css"> 
</head>
<div id="one"> 
<form method="post" action="connect1.php">
<h4>Answer all the questions on the scale (1)Strongly agree to (5)Strongly disagree </h4>
<table width="1000" border="1" cellpadding="10">
<tbody>
  <tr>
    <th style="width:50% ; text-align:center" scope="col">Questions</th>
    <th style="width:10% ; text-align:center" scope="col">Strongly agree</th>
    <th style="width:10% ; text-align:center" scope="col">Agree</th>
    <th style="width:10% ; text-align:center" scope="col">Neutral</th>
    <th style="width:10% ; text-align:center" scope="col">Disagree</th>
    <th style="width:10% ; text-align:center" scope="col">Strongly disagree</th>
  </tr>
  <tr>
    <td>1.People are clear about their role and performance levels expected of them.</td>
    <td><input type="radio" name="q1" value="q1a">
      1</td>
    <td><input type="radio" name="q1" value="q1b">
      2</td>
    <td><input type="radio" name="q1" value="q1c">
      3</td>
    <td><input type="radio" name="q1" value="q1d">
      4</td>
    <td><input type="radio" name="q1" value="q1e">
      5</td>
  </tr>
  <tr>
    <td>2.People understand how their role fits with the responsibilities of others.</td>
    <td><input type="radio" name="q2" value="q2a">
      1</td>
    <td><input type="radio" name="q2" value="q2b">
      2</td>
    <td><input type="radio" name="q2" value="q2c">
      3</td>
    <td><input type="radio" name="q2" value="q2d">
      4</td>
    <td><input type="radio" name="q2" value="q2e">
      5</td>
  </tr>
  <tr>
    <td>3.People understand the contribution they are making to organisational objectives.</td>
    <td><input type="radio" name="q3" value="q3a">
      1</td>
    <td><input type="radio" name="q3" value="q3b">
      2</td>
    <td><input type="radio" name="q3" value="q3c">
      3</td>
    <td><input type="radio" name="q3" value="q3d">
      4</td>
    <td><input type="radio" name="q3" value="q3e">
      5</td>
  </tr>
  <tr>
    <td>4.People are clear about the behaviours expected of them in achieving their objectives.</td>
    <td><input type="radio" name="q4" value="q4a">
      1</td>
    <td><input type="radio" name="q4" value="q4b">
      2</td>
    <td><input type="radio" name="q4" value="q4c">
      3</td>
    <td><input type="radio" name="q4" value="q4d">
      4</td>
    <td><input type="radio" name="q4" value="q4e">
      5</td>
  </tr>
  <tr>
    <td>5.Values and attributes are aligned with each other and support critical behaviour such as customer service or innovation.</td>
    <td><input type="radio" name="q5" value="q5a">
      1</td>
    <td><input type="radio" name="q5" value="q5b">
      2</td>
    <td><input type="radio" name="q5" value="q5c">
      3</td>
    <td><input type="radio" name="q5" value="q5d">
      4</td>
    <td><input type="radio" name="q5" value="q5e">
      5</td>
  </tr>
  <tr>
    <td>6.People feel the organisational systems are 'in sync' with their objectives.</td>
    <td><input type="radio" name="q6" value="q6a">
      1</td>
    <td><input type="radio" name="q6" value="q6b">
      2</td>
    <td><input type="radio" name="q6" value="q6c">
      3</td>
    <td><input type="radio" name="q6" value="q6d">
      4</td>
    <td><input type="radio" name="q6" value="q6e">
      5</td>
  </tr>
  <tr>
    <td>7.People believe they are given space to try new ideas or ways of doing things.</td>
    <td><input type="radio" name="q7" value="q7a">
      1</td>
    <td><input type="radio" name="q7" value="q7b">
      2</td>
    <td><input type="radio" name="q7" value="q7c">
      3</td>
    <td><input type="radio" name="q7" value="q7d">
      4</td>
    <td><input type="radio" name="q7" value="q7e">
      5</td>
  </tr>
  <tr>
    <td>8.Knowledge-sharing enables people to learn from one another.</td>
    <td><input type="radio" name="q8" value="q8a">
      1</td>
    <td><input type="radio" name="q8" value="q8b">
      2</td>
    <td><input type="radio" name="q8" value="q8c">
      3</td>
    <td><input type="radio" name="q8" value="q8d">
      4</td>
    <td><input type="radio" name="q8" value="q8e">
      5</td>
  </tr>
  <tr>
    <td>9.Cross-functional working enables people to learn from others' experiences.</td>
    <td><input type="radio" name="q9" value="q9a">
      1</td>
    <td><input type="radio" name="q9" value="q9b">
      2</td>
    <td><input type="radio" name="q9" value="q9c">
      3</td>
    <td><input type="radio" name="q9" value="q9d">
      4</td>
    <td><input type="radio" name="q9" value="q9e">
      5</td>
  </tr>
  <tr>
    <td>10.People watch for changes within the external world that might impact on the organisation.</td>
    <td><input type="radio" name="q10" value="q10a">
      1</td>
    <td><input type="radio" name="q10" value="q10b">
      2</td>
    <td><input type="radio" name="q10" value="q10c">
      3</td>
    <td><input type="radio" name="q10" value="q10d">
      4</td>
    <td><input type="radio" name="q10" value="q10e">
      5</td>
  </tr>
</tbody>
</table>
<input type="submit" value="submit">
</form>
</div>
</body>
</html>

connect1.php:

<?php 
//connecting to the database 
define('DB_HOST', 'localhost'); 
define('DB_NAME', 'survey'); 
define('DB_USER','root'); 
define('DB_PASSWORD',''); 
$con=mysql_connect(DB_HOST,DB_USER,DB_PASSWORD) or die("Failed to connect to MySQL: " . mysql_error()); 
$db=mysql_select_db(DB_NAME,$con) or die("Failed to connect to MySQL: " . mysql_error());

//inserting Record to the database
$q1 = $_POST['q1'];
$q2 = $_POST['q2'];
$q3 = $_POST['q3'];
$q4 = $_POST['q4'];
$q5 = $_POST['q5'];
$q6 = $_POST['q6'];
$q7 = $_POST['q7'];
$q8 = $_POST['q8'];
$q9 = $_POST['q9'];
$q10 = $_POST['q10'];
$query = "INSERT INTO one(q1,q2,q3,q4,q5,q6,q7,q8,q9,q10)VALUES('$q1','$q2','$q3','$q4','$q5','$q6','$q7','$q8','$q9','$q10')"; 
$result = mysql_query($query); 
if($result) 
{ 
echo "Thank you for taking the test!"; 
} 
else 
{ 
die('Error: '.mysql_error($con)); 
} 
mysql_close($con); 
?>

数据库结果:

only the value for first question $q1 is getting stored in the db. Remaining all nine values have value as 0 stored. What is causing this

对于从 $q1$q10 标记的十个问题,我有 10 个输入。每个问题都有五个单选按钮选项,用户选择一个。当存储到数据库时,$q1 列的值被存储(q1a/q1b/q1c/q1d/q1e) 作为这五个选项之一。但对于接下来的问题,仅存储零 (0)。

最佳答案

首先,避免使用 mysql_ 函数,您应该使用准备好的语句将其转换为 PDO。示例如下:http://php.net/manual/en/pdo.prepared-statements.php

原因是 mysql_ 从 PHP5.5 开始被弃用,并且从 PHP7 中被完全删除。您当前的代码容易受到 SQL 注入(inject)和跨站脚本攻击,PDO 将帮助您解决 SQL 注入(inject)问题。

您还必须始终验证来自用户的数据。你不能相信他们。如果有人要编辑单选按钮的值,他们可以将任何内容插入数据库中。 当您使用 POST/GET 时,我推荐 PHP 的内置输入过滤器,filter_input() 函数,它也会为您过滤输入,防止跨站点脚本编写。

您还应该阻止使用 die();并且 mysql 错误消息不应显示给最终用户。您应该只显示一条文本,说明发生了什么事,而不是实际的错误,这应该被记录下来以供您阅读。

在查询的每个段后留出空格,可读性和格式可能会破坏插入。插入一个 (q1, q2) 值 ('$q1', '$q2')。但如果您决定使用 PDO,情况会有所不同。

尝试 var_dump($_POST) 查看提交时是否有 POST 数据。

无密码的ROOT也非常关键,至少应该有一个密码,一般来说使用root并不是一个好的做法。最好的是您可以让新用户仅使用该数据库。

我希望您将此视为建设性的批评,我只是想让您的代码更好、更安全。

谢谢!

关于php - 单选按钮值未存储在数据库中,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/37207409/

相关文章:

php - 使用 PHP 将字符串转换为二进制然后再返回

php - PDO LIKE 语句的正确语法

php - 我如何在数组中搜索值?

javascript - 如何为一个简单的 donut 为 SVG Circle 的笔触添加边距

mysql - 如何建立具有多个一对多关系的数据库?使用数据透视表或连接表?

javascript - 如何在javascript中读取php对象关系(自定义属性)

javascript - 鼠标悬停在 kineticjs 矩形事件上

html - 注入(inject) html 的 IE 中的 CSS border-radius

c# - 连接到网络上的 MySQL 数据库

python - 如何使用 Django 从数据库(MySQL)中选择 30 个唯一的随机值?