Javascript 需要将select tag选项值传递给ajax函数
当我按下add按钮时,我需要获取select tag value的值 这是我的ajax文件Javascript 需要将select tag选项值传递给ajax函数,javascript,php,html,ajax,Javascript,Php,Html,Ajax,当我按下add按钮时,我需要获取select tag value的值 这是我的ajax文件 function insertDep(){ var ajaxRequest; try{ ajaxRequest = new XMLHttpRequest(); }catch (e){ try{ ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP"); }catch (e) {
function insertDep(){
var ajaxRequest;
try{
ajaxRequest = new XMLHttpRequest();
}catch (e){
try{
ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
}catch (e) {
try{
ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
}catch (e){
alert("Your browser broke!");
return false;
}
}
}
ajaxRequest.onreadystatechange = function(){
if(ajaxRequest.readyState == 4){
var ajaxDisplay = document.getElementById('addmegp');
ajaxDisplay.innerHTML = ajaxRequest.responseText;
}
}
var unitnamedept = document.getElementById('unitnamedept').value;
var queryString = "?unitnamedept=" + unitnamedept;
ajaxRequest.open("GET", "insertDept.php" + queryString, true);
ajaxRequest.send(null);
}
<select> <option name="unitnamedept" id="unitnamedept" value="0" >--</option> <option value="D01">D01</option> <option value="D02">D02</option> <option value="D03">D03</option> <option value="D04">D04</option> </select>
<input type="button" name="ang" align="right" value="Add" onclick="insertDep()"/>
这是我的html文件
function insertDep(){
var ajaxRequest;
try{
ajaxRequest = new XMLHttpRequest();
}catch (e){
try{
ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
}catch (e) {
try{
ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
}catch (e){
alert("Your browser broke!");
return false;
}
}
}
ajaxRequest.onreadystatechange = function(){
if(ajaxRequest.readyState == 4){
var ajaxDisplay = document.getElementById('addmegp');
ajaxDisplay.innerHTML = ajaxRequest.responseText;
}
}
var unitnamedept = document.getElementById('unitnamedept').value;
var queryString = "?unitnamedept=" + unitnamedept;
ajaxRequest.open("GET", "insertDept.php" + queryString, true);
ajaxRequest.send(null);
}
<select> <option name="unitnamedept" id="unitnamedept" value="0" >--</option> <option value="D01">D01</option> <option value="D02">D02</option> <option value="D03">D03</option> <option value="D04">D04</option> </select>
<input type="button" name="ang" align="right" value="Add" onclick="insertDep()"/>
——D01 D02 D03 D04
**我有另一个页面叫做insertDept.php**
我使用此页面显示
当我按下只接收0值的按钮时,任何帮助请……--D01 D02 D03 D04
将id和name属性更改为select not to the option,如我所给出的需要将name和id属性放置在select not in option中@NarendraSisodia使用选择器获取选项的值-jQuery 或 使用
e.options[e.selectedIndex].value
其中
var e=document.getElementById('SelectID')
不是选项您需要在select not in选项中放置name和id属性,这将对您有所帮助。。您可以使用JavaScript获取值。这里有一个例子@Narendra。。。。。信息技术works@sreetharraja我需要把它作为答案发布吗