PHP包括从下拉选择选项使用jquery AJAX吗？
[英]PHP include using jquery AJAX from a dropdown select option?
问题描述
I am trying to include an external php (on my own server) in another php page using jQuery AJAX from a select form . 
我试图使用jQuery AJAX从select form在另一个PHP页面中包含一个外部php（在我自己的服务器上）。
basically I want to let the user include the external php file if they select YES option from the dropdown select form and remove it if they select NO . 基本上，我想让用户包括external php文件，如果他们从dropdown select form选择YES ，而如果选择“ NO则将其删除。
I have the following code: 我有以下代码：
<html>
<head>
<script>
$('#test2').change(function(){
var selectedValue = $(this).val();
if (selectedValue === 'Yes') {
$("#content").load("include.php");
} else {
//WHAT DO I NEED TO PUT HERE TO REMOVE THE "include.php" if it has been inlcluded?
}
});
</script>
</head>
<body>
<form>
<select id="test2">
<option value=""></option>
<option value="1">Yes</option>
<option value="2">No</option>
</select>
</form>
<br>
<div id="content"></div>
</body>
</html>
First question: am I doing this right? 第一个问题：我这样做正确吗？
Second question: what do I need to do in order to remove the include.php file if they select NO option ? 第二个问题：如果他们选择“ NO option我需要怎么做才能删除include.php文件？
any help would be appreciated. 任何帮助，将不胜感激。
Thanks in advance. 提前致谢。
PS i do have jquery included in my page. 附言：我的页面中确实包含了jquery。
3 个解决方案
解决方案1
2 2014-04-17 10:55:33
The $('#comment').html('') in the else block are right. else块中的$('#comment').html('')是正确的。 However, your if-condition is wrong ( .val() returns the value not the text of the chosen option). 但是，您的if条件错误（ .val()返回的值不是所选选项的文本）。 Use: 采用：
$('#test2').change(function(){
var selectedValue = $(this).val();
if (1 == selectedValue) {
$("#content").load("include.php");
} else {
$('#content').html('');
}
});
解决方案2
1 2014-04-17 10:52:03
Your code looks like it's requesting include.php just fine. 您的代码看起来就像请求include.php一样。 You can clear the loaded data by calling 您可以通过调用清除加载的数据
$('#content').html('');
in the else section 在else部分
解决方案3
1 已采纳 2014-04-17 10:56:04
If yes is selected then
Include file
else
$( ".page" ).empty();
//make the page content empty Simple
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