如何从MYSQL获取表名到组合框并将所选值分配给变量? [英] How to get table's name from MYSQL to combobox and assign selected value to variable?
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问题描述
您好,
我在PHP中遇到了使用combobox的问题。
我尝试将表的名称改为组合框,这是有效的。但我无法获得选定的值并分配给变量。请帮我。谢谢。
这是我的代码:
Hello,
I have a problem with combobox in PHP.
I try to get table's name to combobox, it's work. But I can't get selected value and assign to variable. Please help me. Thank you.
Here is my code:
$db= mysql_connect("localhost","root","");
if(!$db)
{
echo "error";
exit;
}
$table = mysql_query("show tables from sctv_data2 LIKE '%nhap_%'");
echo "<select name = 'venue' >";
while (($row = mysql_fetch_row($table)) != null)
{
echo "<option value = '{$row['0']}'";
if ($selected_venue_id == $row['0'])
echo "selected = 'selected'";
echo ">{$row['0']}</option>";
}
echo "</select>";
if(isset($_POST['button']))
{
$a = $_POST['venue'];
echo $a; // it's not print $a
推荐答案
db = mysql_connect( localhost, root, 跨度>);
if(!
db= mysql_connect("localhost","root",""); if(!
db)
{
echo 错误;
退出;
}
db) { echo "error"; exit; }
table = mysql_query( 显示来自sctv_data2的表LIKE'%nhap _%');
echo < select name ='场地'>;
while ((
table = mysql_query("show tables from sctv_data2 LIKE '%nhap_%'"); echo "<select name = 'venue' >"; while ((
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