Php 从数据库检索到下拉列表的数据。用户选择选项,然后将该值发送到数据库?
现在我一直在试图找到一种方法,使用PHP将用户在web界面上选择的下拉菜单插入MySQL数据库表_2中。问题是下拉列表项是从另一个表2的MySQL数据库中检索的。有人能帮我吗?提前谢谢你!下面显示了我正在使用的代码Php 从数据库检索到下拉列表的数据。用户选择选项,然后将该值发送到数据库?,php,mysql,database,select,drop-down-menu,Php,Mysql,Database,Select,Drop Down Menu,现在我一直在试图找到一种方法,使用PHP将用户在web界面上选择的下拉菜单插入MySQL数据库表_2中。问题是下拉列表项是从另一个表2的MySQL数据库中检索的。有人能帮我吗?提前谢谢你!下面显示了我正在使用的代码 <?php $con = mysqli_connect("localhost","root",""); $myDB = mysqli_select_db($con, "database"); $sqlSELECT = mysqli_query($con, 'SE
<?php
$con = mysqli_connect("localhost","root","");
$myDB = mysqli_select_db($con, "database");
$sqlSELECT = mysqli_query($con, 'SELECT disastergroup FROM disastergroups');
if (isset($_POST['group']))
{
$group = $_POST['group'];
$test = "SELECT disastergroupid FROM disastergroups WHERE disastergroup = '$group'";
mysqli_query($con, $test);
$test_store = "INSERT INTO events (groupid_FK) VALUES ($test);"
mysqli_query($con,$test_store);
}
else
{
echo "An option must be selected!";
}
?>
<!DOCTYPE html>
<html>
<head>
<title>Title of Page</title>
<meta http-equiv="content-type" content="text/html; charset=utf-8"/>
</head>
<body>
<form action = "detailslog.php" method = "POST">
<label for="groups">Disasters:</label>
<select name = "groups">
<option value = "">Select...</option>
<?php while($row = mysqli_fetch_assoc($sqlSELECT)):;?>
<option><?php $row1['disastergroup'];?></option>
<?php endwhile;?>
</select>
<input type="submit" value="Submit Data">
</form>
</body>
</html>
因此,我要做的是从选项“groups”中获取用户的选择,并使用该值从表disastergroups中获取该值的ID,然后将该ID作为外键存储到表“events”中。这让我很难弄明白。任何帮助都将不胜感激!谢谢大家!
$sql_quer = mysqli_query($con, $test);
$FK_id = mysqli_fetch_assoc($sql_quer);
$test_store = "INSERT INTO events (groupid_FK) VALUES ($FK_id[disastergroupid]);"
mysqli_query($con,$test_store);
这解决了我的问题,任何人都可以查看此帖子 你在
$\u POST['group']
中获得了价值吗?@Akshay是的,我是。我通过echo$_POST['group']查看了该网页,我看到了所选的选项。那么您遇到了什么问题?