[英]How to pass multiple listbox values in php ajax get url?
我還希望將具有多個選擇的列表框與上面的代碼一起使用,但是它不起作用
$ cnty是變量(列表框-多選)。
下面是我使用的完整ajax函數。
<script language="javascript" type="text/javascript">
function ajaxFunction(){
var ajaxRequest; // The variable that makes Ajax possible!
try{
// Opera 8.0+, Firefox, Safari
ajaxRequest = new XMLHttpRequest();
} catch (e){
// Internet Explorer Browsers
try{
ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try{
ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e){
// Something went wrong
alert("Your browser broke!");
return false;
}
}
}
// Create a function that will receive data sent from the server
ajaxRequest.onreadystatechange = function(){
if(ajaxRequest.readyState == 4){
//document.myForm.time.value = ajaxRequest.responseText;
document.getElementById("result").innerHTML=ajaxRequest.responseText
}
}
var dav = document.getElementById('dav').value;
var pathogen = document.getElementById('pathogen').value;
var topic1 = document.getElementById('topic1').value;
var ind1 = document.getElementById('ind1').value;
var subindg1 = document.getElementById('subindg1').value;
var cnty = document.getElementById('countryRF').value;
var queryString = "?dav=" + dav + "&pathogen=" + pathogen + "&topic1=" + topic1 + "&ind1=" + encodeURIComponent(ind1) + "&subindg1=" + encodeURIComponent(subindg1) + "&cnty=" + encodeURIComponent(cnty);
ajaxRequest.open("GET", "sortby.php" + queryString, true);
ajaxRequest.send(null);
}
</script>
sortby.php頁面
<?php
$con = mysql_connect("localhost","root","adminpp");
mysql_select_db("pdata", $con);
$datav=$_GET["dav"];
$pathogen=$_GET["pathogen"];
$topic1=$_GET["topic1"];
$ind1=$_GET['ind1'];
$subindg1=$_GET["subindg1"];
$cnty=$_GET['cnty'];
echo $subindg1;
echo $cnty;
?>
有多種方法可以通過Ajax將多選列表傳遞到服務器。 這只是眾多中的一種...也許甚至不是最好的。 :)
我將在整個文章中使用變量名multisel
,以便您可以輕松找到它並了解如何使用它。
將此功能添加到您的javascript
function loopSelected(selObj)
{
var selectedArray = new Array();
var i;
var count = 0;
for (i=0; i<selObj.options.length; i++) {
if (selObj.options[i].selected) {
selectedArray[count] = selObj.options[i].value;
count++;
}
}
return selectedArray;
}
現在,在變量之后ajaxFunction
添加到ajaxFunction
。
var selObj = document.getElementById('multistore');
var multisel = loopSelected(selObj).join('~'); // join array into a string
最后,在PHP中,添加以下行
$multisel = $_GET['multisel'];
$multisel_array = explode('~',$multisel); // split the items into an array
var_dump($multisel_array);
此時,所有選定項都在$multisel_array
。
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.