gpt4 book ai didi

javascript - 如何编写 AJAX 调用来获取 XML 文件?

转载 作者:行者123 更新时间:2023-11-28 03:27:52 25 4
gpt4 key购买 nike

我需要编写一个带有“获取航类信息”按钮的网页。当用户单击此按钮时,编写一个 AJAX 调用来获取您在问题 1 中编写的 XML 文件,将 XML 解析为 Javascript 对象,然后将 Javascript 对象显示在网页上,如下所示如下: enter image description here

这是到目前为止我的代码。我对此非常陌生,所以请放轻松,伙计们! :

XML:

<?xml version="1.0" encoding="UTF-8"?>
<flightInfo>
<Date>02OCT19</Date>
<Flight> VA 1429 </Flight>
<Depart>Sydney</Depart>
<Arrive>Cairns</Arrive>
<Boarding>Gate 35 At 1855</Boarding>
<Carrier>Virgin Australia</Carrier>
</flightInfo>
<?xml version="1.0" encoding="UTF-8"?>

HTML:

<html>
<style>
table,th,td {
border : 1px solid black;
border-collapse: collapse;
}
th,td {
padding: 5px;
}
</style>
<body>

<button type="button" onclick="loadDoc()">Get flight
information</button>
<br><br>
<table id="demo"></table>

<script>
function loadDoc() {
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
if (this.readyState == 4 && this.status == 200) {
myFunction(this);
}
};
xhttp.open("GET", "Question1.xml", true);
xhttp.send();
}
function myFunction(xml) {
var i;
var xmlDoc = xml.responseXML;
var table="<tr><th>Depart</th><th>Arrive</th></tr>";
var x = xmlDoc.getElementsByTagName("CD");
for (i = 0; i <x.length; i++) {
table += "<tr><td>" +
x[i].getElementsByTagName("Depart")[0].childNodes[0].nodeValue +
"</td><td>" +
x[i].getElementsByTagName("Arrive")[0].childNodes[0].nodeValue +
"</td><td>" +
x[i].getElementsByTagName("Date")[0].childNodes[0].nodeValue +
"</td></tr>";
}
document.getElementById("demo").innerHTML = table;
}
</script>

</body>
</html>

最佳答案

<html>
<style>
table,th,td {
border : 1px solid black;
border-collapse: collapse;
}
th,td {
padding: 5px;
}
</style>
<body>

<button type="button" onclick="loadDoc()">Get flight
information</button>
<br><br>
<table id="demo"></table>

<script>
function loadDoc() {
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
if (this.readyState == 4 && this.status == 200) {
myFunction(this);
}
};
xhttp.open("GET", "Question1.xml", true);
xhttp.send();
}
function myFunction(xml) {
var i;
var xmlDoc = xml.responseXML;
var table=`<tr><th>Depart</th><th>Arrive</th></tr>`;
var x = xmlDoc.getElementsByTagName("CD");
for (i = 0; i <x.length; i++) {
table += `<tr><td>` +
x[i].getElementsByTagName("Depart")[0].childNodes[0].nodeValue +
`</td><td>` +
x[i].getElementsByTagName("Arrive")[0].childNodes[0].nodeValue +
`</td><td>` +
x[i].getElementsByTagName("Date")[0].childNodes[0].nodeValue +
`</td></tr>`;
}
document.getElementById("demo").innerHTML = table;
}
</script>

</body>
</html>

我认为这应该有帮助。

关于javascript - 如何编写 AJAX 调用来获取 XML 文件?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/58460800/

25 4 0
Copyright 2021 - 2024 cfsdn All Rights Reserved 蜀ICP备2022000587号
广告合作:1813099741@qq.com 6ren.com