Php 动态创建单选按钮并分配选定值
嗨,我对PHP还很陌生。我试图从PHP中的单选按钮中获取所选值,但无法获取所选值。我已经通过连接到我的DB(MySQL)填充了这些值,但是我无法从单选按钮获取指定的值。它总是逃避if条件并显示“未选择值”,我无法分配值并将其保存到我的数据库 谢谢你的帮助 我的index.php如下所示`Php 动态创建单选按钮并分配选定值,php,radio-button,Php,Radio Button,嗨,我对PHP还很陌生。我试图从PHP中的单选按钮中获取所选值,但无法获取所选值。我已经通过连接到我的DB(MySQL)填充了这些值,但是我无法从单选按钮获取指定的值。它总是逃避if条件并显示“未选择值”,我无法分配值并将其保存到我的数据库 谢谢你的帮助 我的index.php如下所示` <?php session_start(); $_SESSION['timein']= time(); ?> <?php include("config.php"); $c
<?php
session_start();
$_SESSION['timein']= time();
?>
<?php
include("config.php");
$conn = mysqli_connect($dbHost, $dbuser, $dbpassword, $dbDatabase);
$query_salutation_type='SELECT salutation_description FROM tbl_salutation;';
$select_salutation_type=mysqli_query($conn, $query_salutation_type);
while($row1 = mysqli_fetch_array($select_salutation_type))
{
echo '<input type="radio" name="salutation_description" value="'.$row1[0].'"/>'.$row1[0];
}
?>
<html>
<body>
<form method="post" action="capture_data.php" >
<input type="submit" name="submit" value="Submit"/>
</form>
</body>
</html>
`
我的capture_data.php如下
<?php
if(isset($_POST['submit']))
{
if(isset($_POST['salutation_description']))
{
$selected_val = $_POST['salutation_description'];
echo "You have selected :" .$selected_val;
}
else
{
echo 'No Value Selected';
}
}
?>
表单只发送介于
和
之间的输入。您正在回显
前的单选按钮
您需要使用
标签内的单选按钮:
修改代码:
<?php
session_start();
$_SESSION['timein']= time();
?>
<html>
<body>
<form method="post" action="capture_data.php" >
<?php
include("config.php");
$conn = mysqli_connect($dbHost, $dbuser, $dbpassword, $dbDatabase);
$query_salutation_type='SELECT salutation_description FROM tbl_salutation;';
$select_salutation_type=mysqli_query($conn, $query_salutation_type);
while($row1 = mysqli_fetch_array($select_salutation_type))
{
echo '<input type="radio" name="salutation_description" value="'.$row1[0].'"/>'.$row1[0];
}
?>
<input type="submit" name="submit" value="Submit"/>
</form>
</body>
</html>
将单选按钮保留在表单中Hi-Lad尝试在HTML的表单标记中重新定位while循环。如下面的例子所示:D
<?php
session_start();
$_SESSION['timein']= time();
?>
<?php
include("config.php");
$conn = mysqli_connect($dbHost, $dbuser, $dbpassword, $dbDatabase);
$query_salutation_type='SELECT salutation_description FROM tbl_salutation;';
$select_salutation_type=mysqli_query($conn, $query_salutation_type);
?>
<html>
<body>
<form method="post" action="capture_data.php" >
<?php
while($row1 = mysqli_fetch_array($select_salutation_type))
{
echo '<input type="radio" name="salutation_description" value="'.$row1[0].'"/>'.$row1[0];
}
?>
<input type="submit" name="submit" value="Submit"/>
</form>
</body>
</html>
单选按钮不在表单中。
<?php
session_start();
$_SESSION['timein']= time();
?>
<?php
include("config.php");
$conn = mysqli_connect($dbHost, $dbuser, $dbpassword, $dbDatabase);
$query_salutation_type='SELECT salutation_description FROM tbl_salutation;';
$select_salutation_type=mysqli_query($conn, $query_salutation_type);
$radioHtml = "";
while($row1 = mysqli_fetch_array($select_salutation_type))
{
$radioHtml.= '<input type="radio" name="salutation_description" value="'.$row1[0].'"/>'.$row1[0];
}
?>
<html>
<body>
<form method="post" action="capture_data.php" >
<?php echo $radioHtml; ?>
<input type="submit" name="submit" value="Submit"/>
</form>
</body>
</html>
<?php
session_start();
$_SESSION['timein']= time();
?>
<?php
include("config.php");
$conn = mysqli_connect($dbHost, $dbuser, $dbpassword, $dbDatabase);
$query_salutation_type='SELECT salutation_description FROM tbl_salutation;';
$select_salutation_type=mysqli_query($conn, $query_salutation_type);
?>
<html>
<body>
<form method="post" action="capture_data.php" >
<?php
while($row1 = mysqli_fetch_array($select_salutation_type))
{
echo '<input type="radio" name="salutation_description" value="'.$row1[0].'"/>'.$row1[0];
}
?>
<input type="submit" name="submit" value="Submit"/>
</form>
</body>
</html>