[英]Select dropdown with two Sql query
我的“选择”有一些困难
在我的选择/菜单中,显示所有选项来自数据库中的表( table_db_email )
在此表( tb_code_prmtn11_email )中,我有两个字段: fld_email_id fld_name_email
它在这里工作是一个代码
<select name="email_adress_menu" id="email_adress_menu" class="valid" onchange="submit()">
<?php
echo "<option selected=\"selected\" value=''>Choose your name</option>";
$req_email_adress_menu = "SELECT DISTINCT id_email, fld_name_email, fld_adresse_email FROM $table_db_email ORDER BY fld_name_email ";
$rep_email_adress_menu = mysql_query($req_email_adress_menu, $cnx) or die( mysql_error() ) ;
while($show_email_adress_menu = mysql_fetch_assoc($rep_email_adress_menu)) {
echo '<option value="'.$show_email_adress_menu['id_email'].'"';
//if($primes==$show_email_adress_menu['fld_name_email']){echo " selected";} //display to select an option!!!!!!!!!!!!!!!!
echo '>'.$show_email_adress_menu['fld_name_email'].' - '.$show_email_adress_menu['fld_adresse_email'].'</option>';
}
?>
</select>
我还有另一个来自其他表的信息: tb_code_prmtn11 (包含有关人的信息)
我有几个领域:
fld_email_id
键( fld_email_id
)参考tb_code_prmtn11_email
( id_email
)删除对更新id_email
无操作;) 我想将此菜单放在另一个网页上,并且此选择必须通过选择tb_code_prmtn11
第二张表中找到的信息的选项来显示如下所示的所有选项: tb_code_prmtn11
我怎样才能做到这一点 ?
SELECT td.id_resultat,td.fld_email_id,email.fld_name_email
FROM $table_db td
JOIN $table_db_email email ON td.fld_email_id = email.id_email
WHERE td.id_resultat = $id
该代码也可以使用,但是我不知道如何在菜单中包括第二个查询...
您的代码有效...我看到我的选择:有效...它显示所有选项, 但没有选中的选项 。
所以第二个查询有效:(在第42行)
我在FireFox中得到以下代码:
27 <form id="form-fan" method="post" action="edit.php">
<option value="tomo">TOTO MONO - toto.mono@test.com</option>
<option value="kito">KIKI TOTO - kiki.toto@test.com</option>
因此,我希望选择显示选项和其他选项,但是我不能...我的菜单可以使用,但是可以选择任何选项,但是,实际上,有一个选项被选中,因为在我的数据库中,每个选项都有一个
我尝试了第一个查询(您的代码中的第18行)
SELECT tbl.id_resultat,tbl.fld_email_id,email.fld_nom_email,email.id_email
FROM tb_code_prmtn11 tbl
INNER JOIN tb_code_prmtn11_email email
ON tbl.fld_email_id = email.id_email
WHERE tbl.id_resultat='27'
* $ table_db tbl * => tb_code_prmtn11
* $ table_db_email *-> tb_code_prmtn11_email
它正在工作... ** id_resultat:27
fld_email_id:kito
fld_nom_email:KIKI TOTO
id_email:kito **
那么,如何在我的选择中显示与其他选项一起选择的正确选项? 我如何在FireFox中获得以下代码:27
<option value="tomo">TOTO MONO - toto.mono@test.com</option>
<option value="kito" selected>KIKI TOTO - kiki.toto@test.com</option>
我检查了我的变量ID:没关系...这是您的新代码,并进行了更改以适应我的页面:
<?php
include"../bd_db/connection.php";
include"../bd_db/selection.php";
$id=$_GET['id'];
echo $id;
if (isset($_POST) && !empty($_POST))
{
if (array_key_exists('ajaxId', $_POST))
{
if ((int)$_POST['ajaxId'] <= 0)
{
throw new Exception("go to hell");
}
$query = "SELECT td.id_resultat as id, email.fld_name_email AS name FROM " . $table_db . " td INNER JOIN " . $table_db_email . " email ON td.fld_email_id = email.id_email WHERE td.id_email = " . $_POST['ajaxId']; //!!!!! line 18
$result = mysql_query($query, $cnx);
if (mysql_num_rows($result) > 0)
{
$data = array();
while ($row=mysql_fetch_array($result))
{
$data[$row["resultat"]] = $row["name"];
}
echo json_encode($data);
exit();
}
}
if (array_key_exists('select-big-fan', $_POST))
{
// you've found a big fan selected
}
}
$query = "SELECT DISTINCT id_email AS id, fld_nom_email AS name, fld_adresse_email AS email FROM " . $table_db_email . " ORDER BY name"; //second query works :(line 42)
$result = mysql_query($query, $cnx);
?>
<?php if (mysql_num_rows($result) > 0) : ?>
<form id="form-fan" method="post" action="<?php echo $_SERVER["PHP_SELF"] ?>">
<select name="select-fan" id="select-fan">
<?php while ($row=mysql_fetch_array($result)) : ?>
<option value="<?php echo $row["id"] ?>"><?php echo $row["name"] ?> - <?php echo $row["email"] ?></option>
<?php endwhile ?>
</select>
</form>
<script type="text/javascript">
jQuery(document).ready(function(){
jQuery("#select-fan").change(function(){
var fanId = jQuery(this).val();
jQuery.ajax(function(){
url: "<?php echo $_SERVER["PHP_SELF"] ?>",
data: {ajaxId: fanId},
success: function(data){
selectBigFan = jQuery('<select>', {name: 'select-bigfan', id: 'select-bigfan'});
jQuery.each(data, function(bigFanId, bigFanText){
optionBigFan = jQuery('<option>' {value: bigFanId, text: bigFanText});
optionBigFan.appendTo(selectBigFan);
});
selectBigFan.insertAfter(jQuery('#select-fan'));
jQuery('<input>', {type: 'submit', value: 'send'});
}
});
});
});
</script>
<?php else : ?>
<p>Yup, there's nothing here, do u have beer ?</p>
<?php
endif
?>
祝你今天愉快
这是您的代码,其中包含我所做的更改以适应我的页面...
<?php
include"../bd_db/connection.php";
include"../bd_db/selection.php";
$id=$_GET['id'];
echo $id;
if (isset($_POST) && !empty($_POST))
{
if (array_key_exists('ajaxId', $_POST))
{
if ((int)$_POST['ajaxId'] <= 0)
{
throw new Exception("go to hell");
}
$query = "SELECT td.id_resultat as id, email.fld_nom_email AS name FROM " . $table_db . " td INNER JOIN " . $table_db_email email ON td.fld_email_id = email.id_email WHERE td.fld_email_id = " . $_POST['ajaxId']"; //!!!!! la ligne 19
$result = mysql_query($query, $cnx);
if (mysql_num_rows($result) > 0)
{
$data = array();
while ($row=mysql_fetch_array($result))
{
$data[$row["resultat"]] = $row["name"];
}
echo json_encode($data);
exit();
}
}
if (array_key_exists('select-big-fan', $_POST))
{
// you've found a big fan selected
}
}
$query = "SELECT DISTINCT id_email AS id, fld_nom_email AS name, fld_adresse_email AS email FROM " . $table_db_email . " ORDER BY name";
$result = mysql_query($query, $cnx);
?>
<?php if (mysql_num_rows($result) > 0) : ?>
<form id="form-fan" method="post" action="<?php echo $_SERVER["PHP_SELF"] ?>">
<select name="select-fan" id="select-fan">
<?php while ($row=mysql_fetch_array($result)) : ?>
<option value="<?php echo $row["id"] ?>"><?php echo $row["name"] ?> - <?php echo $row["email"] ?></option>
<?php endwhile ?>
</select>
</form>
<script type="text/javascript">
jQuery(document).ready(function(){
jQuery("#select-fan").change(function(){
var fanId = jQuery(this).val();
jQuery.ajax(function(){
url: "<?php echo $_SERVER["PHP_SELF"] ?>",
data: {ajaxId: fanId},
success: function(data){
selectBigFan = jQuery('<select>', {name: 'select-bigfan', id: 'select-bigfan'});
jQuery.each(data, function(bigFanId, bigFanText){
optionBigFan = jQuery('<option>' {value: bigFanId, text: bigFanText});
optionBigFan.appendTo(selectBigFan);
});
selectBigFan.insertAfter(jQuery('#select-fan'));
jQuery('<input>', {type: 'submit', value: 'send'});
}
});
});
});
});
</script>
<?php else : ?>
<p>Yup, there's nothing here, do u have beer ?</p>
<? php
endif
?>
我有一条来自第18行的错误消息
解析错误:语法错误,第18行的C:\\ inetpub \\ wwwroot \\ byrd \\ apps_code_promotion \\ verification \\ edit.php中出现意外的T_STRING
所以我也尝试了以下行,但我有同样的错误信息:
$query = "SELECT td.id_resultat as id, email.fld_nom_email AS name FROM " . $table_db . " td INNER JOIN " . $table_db_email email ON td.fld_email_id = email.id_email WHERE td.fld_email_id = " . $_POST['ajaxId']"; //!!!!! la ligne 19
$query = "SELECT td.id_resultat as id, email.fld_nom_email AS name FROM " . $table_db . " td INNER JOIN " . $table_db_email email ON td.fld_email_id = email.id_email WHERE td.fld_email_id = . $_POST['ajaxId']; //!!!!! la ligne 19
为什么必须选择第二个选项? 因为我们有两个屏幕(文件)和一个下拉菜单:在第一个屏幕上,我显示有关用户的所有信息:
<?php
$req= " select tbl.id_resultat,schl.fld_school,tbl.fld_note,email.fld_nom_email,email.fld_adresse_email
FROM $table_db tbl
INNER JOIN $table_db_school schl
ON tbl.fld_school_id = schl.fld_id_school
INNER JOIN $table_db_email email
ON tbl.fld_email_id = email.id_email";
$rep = mysql_query($req, $cnx) or die( mysql_error() ) ;
while($row=mysql_fetch_row($rep)){
$id_resultat=$row[0];
$fld_school=$row[1];
$fld_note=$row[2];
$fld_nom_email=$row[3];
$fld_adresse_email=$row[4];
echo "<tr ><td>$id_resultat</td><td>
$fld_shool</td><td>
$fld_note</td><td>
$fld_nom_email</td><td>
$fld_adresse_email</td><td>
<a href=\"edit.php?id=$id_resultat\">to verify</a></td>
</tr>"
?>
在第二个屏幕上(当用户单击链接“进行验证”时),他可以在下拉菜单中看到所选的选项,如果需要,他可以选择其他选项(通过电子邮件发送...)
那么,如何在我的选择中显示与其他选项一起选择的正确选项?
您可以将ajax与jQuery和一些js效果一起使用
编辑:
(your_page.php)
<?php
...
if (isset($_POST) && !empty($_POST))
{
if (array_key_exists('ajaxId', $_POST))
{
if ((int)$_POST['ajaxId'] <= 0)
{
throw new Exception("go to hell");
}
$query = "SELECT td.id_resultat as id, email.fld_name_email AS name FROM " . $table_db . " td INNER JOIN " . $table_db_email email ON td.fld_email_id = email.id_email WHERE td.id_email = " . $_POST['ajaxId'];
$result = mysql_query($query, $cnx);
if (mysql_num_rows($result) > 0)
{
$data = array();
while ($row=mysql_fetch_array($result))
{
$data[$row["resultat"]] = $row["name"];
}
echo json_encode($data);
exit();
}
}
if (array_key_exists('select-big-fan', $_POST))
{
// you've found a big fan selected
}
}
$query = "SELECT DISTINCT id_email AS id, fld_name_email AS name, fld_adresse_email AS email FROM " . $table_db_email . " ORDER BY name";
$result = mysql_query($query, $cnx);
?>
<?php if (mysql_num_rows($result) > 0) : ?>
<form id="form-fan" method="post" action="<?php echo $_SERVER["PHP_SELF"] ?>">
<select name="select-fan" id="select-fan">
<?php while ($row=mysql_fetch_array($result)) : ?>
<option value="<?php echo $row["id"] ?>"><?php echo $row["name"] ?> - <?php echo $row["email"] ?></option>
<?php endwhile ?>
</select>
</form>
<script type="text/javascript">
jQuery(document).ready(function(){
jQuery("#select-fan").change(function(){
var fanId = jQuery(this).val();
jQuery.ajax(function(){
url: "<?php echo $_SERVER["PHP_SELF"] ?>",
data: {ajaxId: fanId},
success: function(data){
selectBigFan = jQuery('<select>', {name: 'select-bigfan', id: 'select-bigfan'});
jQuery.each(data, function(bigFanId, bigFanText){
optionBigFan = jQuery('<option>' {value: bigFanId, text: bigFanText});
optionBigFan.appendTo(selectBigFan);
});
selectBigFan.insertAfter(jQuery('#select-fan'));
jQuery('<input>', {type: 'submit', value: 'send'});
}
});
});
});
});
</script>
<?php else : ?>
<p>Yup, there's nothing here, do u have beer ?</p>
<?php endif ?>
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