我的页面有文本输入和按钮 用户必须在文本字段中填写引用可播放媒体文件(mp4)的URL,然后单击按钮
单击该按钮时,脚本正在运行,并且ajax将url值传递给PHP文件,该文件会进行一些验证并将响应发送回来
如果一切正常,它应该用JW播放器替换DIV标签,用户可以播放媒体
我通过用纯文本或图像替换DIV标签来测试整个过程,并且它运行顺畅
当我尝试用jw播放器组件替换它时,它没有显示任何东西
我通过直接在HTML代码中插入jw来测试jw,它运行顺利
<!DOCTYPE html>
<html>
<head>
<script type="text/javascript" src="/ajax4/jwplayer.js"></script>
<script type="text/javascript">jwplayer.key="RXVe0CXFsIS8pAar5ezgSLJqb9jfx7rDOBxkVw==";</script>
<script type="text/javascript"><!--
function get_XmlHttp() {
var xmlHttp = null;
if(window.XMLHttpRequest) { // for Forefox, IE7+, Opera, Safari, ...
xmlHttp = new XMLHttpRequest();
}
else if(window.ActiveXObject) { // for Internet Explorer 5 or 6
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
}
return xmlHttp;
}
// sends data to a php file, via POST, and displays the received answer
function ajaxrequest(php_file, tagID) {
var request = get_XmlHttp(); // call the function for the XMLHttpRequest instance
// create pairs index=value with data that must be sent to server
var hiturl = document.getElementById('hit').value;
var the_data = 'hiturl='+hiturl;
request.open("POST", php_file, true); // set the request
// adds a header to tell the PHP script to recognize the data as is sent via POST
request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
request.send(the_data); // calls the send() method with datas as parameter
// Check request status
// If the response is received completely, will be transferred to the HTML tag with tagID
request.onreadystatechange = function() {
if (request.readyState == 4) {
document.getElementById(tagID).innerHTML = request.responseText;
}
}
}
--></script>
</head>
<body>
<form action="test_form.php" method="post" name="form1" onsubmit="ajaxrequest('hitphp.php', 'myDiv'); return false;">
<label for="name" id="name_label">hit URL: </label>
<input type="text" name="hit" id="hit" size="100" />
<input type="submit" value="Enter hit UrL" />
</form>
<div id="myDiv"></div>
</body>
</html>
<?php
// if data are received via POST
if (isset($_POST['hiturl'])) {
// get data into variables, deleting the html tags
$hiturl = strip_tags($_POST['hiturl']);
// if the form fields are completed
if (true) {
if (true) {
echo'<div id="myElement">nnnnn.....</div><script type="text/javascript">
jwplayer("myElement").setup({
type:"mp4",
bufferlength: "60",
file: "mediaurl",
});
</script>';
}else{
echo 'sorry not a valid url';
}
}
else {
echo 'Fill in all form fields';
}
}
?>