[英]Send radio button data (value) to PHP via Ajax
在下面的JavaScript中,我無法將單選按鈕數據發送到PHP。 示例:如果選擇了單選按鈕“母親”,則應通過ajax發送選定的“母親”值。 但是我的問題是我無法從ajax發送選定的單選按鈕值。 我用了Google,但無法解決。 您能否共享解決此問題的代碼。
這是JavaScript代碼:
<script language="JavaScript">
var HttPRequest = false;
function doCallAjax() {
var test = $("#txtUsername").val();
var test2 = $("#txtPassword").val();
if(test=='')
{
alert("Please Enter Register Number");
}
else if(test2=='')
{
alert("Please Enter Date Of Birth");
}
else
{
HttPRequest = false;
if (window.XMLHttpRequest) { // Mozilla, Safari,...
HttPRequest = new XMLHttpRequest();
if (HttPRequest.overrideMimeType) {
HttPRequest.overrideMimeType('text/html');
}
} else if (window.ActiveXObject) { // IE
try {
HttPRequest = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
HttPRequest = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {}
}
}
if (!HttPRequest) {
alert('Cannot create XMLHTTP instance');
return false;
}
**// iam using this For Validation to send data to different urls based on selection**
var game1 = $('input[type="radio"]:checked').val();
if (game1 === "Mother") {
var url = 'http://localhost:9999/check.php';
}
else if (game1 === "Father") {
alert('Father');
}
else {
HttPRequest = false;
alert('select 1');
}
**this is Where ima stucked**
var pmeters = "tUsername=" + encodeURI( document.getElementById("txtUsername").value) +
"&tPassword=" + encodeURI( document.getElementById("txtPassword").value );
"&game=" + $('input[type="radio"]:checked').val();
HttPRequest.open('POST',url,true);
HttPRequest.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
HttPRequest.setRequestHeader("Content-length", pmeters.length);
HttPRequest.setRequestHeader("Connection", "close");
HttPRequest.send(pmeters);
HttPRequest.onreadystatechange = function()
{
if(HttPRequest.readyState == 3) // Loading Request
{
document.getElementById("mySpan").innerHTML = "Now is Loading...";
}
if(HttPRequest.readyState == 4) // Return Request
{
if(HttPRequest.responseText == 'Y')
{
window.location = 'success.html';
}
else if (HttPRequest.responseText == 'z')
{
document.getElementById("mySpan").innerHTML = "";
window.alert("bad registernumber or dob");
}
else if (HttPRequest.responseText == 'b')
{
document.getElementById("mySpan").innerHTML = "";
window.alert("userexist");
}
}
}
}
}
</script>
這是HTML代碼
<br/>
<input type="radio" name="game" value="Mother">Mother
<br />
<input type="radio" name="game" value="Father">Father
<br />
<input type="radio" name="game" value="Self">Self
<br />
<input type="radio" name="game" value="Other">Other
<br />
</table>
<br>
<input name="btnLogin" type="button" id="btnLogin" OnClick="JavaScript:doCallAjax();" value="Login">
請刪除$('input [type =“ radio”]:checked')。val()並替換為var游戲。 在此之前,請使用以下代碼獲取var game中選中的單選按鈕的值。
var elements = document.getElementsByName("game");
var game;
for(var i = 0; i < elements.length; i++ ){
if(elements[i].checked){
game = elements[i].value;
}
}
所以現在你的代碼看起來像
var pmeters = "tUsername=" + encodeURI( document.getElementById("txtUsername").value) +
"&tPassword=" + encodeURI( document.getElementById("txtPassword").value );
"&game=" + game;
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.