[英]Using XML to Change Form Language
我的頁面上方顯示一個帶有4個鏈接的表單,其中包含以下語言:英語,法語,意大利語和德語。 當用戶單擊鏈接之一時,表單標簽的語言應更改為該特定語言。 四種語言都存儲在XML文件中,但是由於我從未使用過XML,因此我不知道如何調用它們。 我做了一個類似的項目,我不得不使用“ .txt”文件來更改表單語言,但我設法使其正常工作。 下面的代碼是如何使文本文件工作的,但是如何通過XML文件更改語言?
用於更改文本文件的Javascript代碼
var request;
function init() {
var language = document.getElementsByTagName("a");
for (var i = 0; i < language.length; i++) {
language[i].onclick = processRequest;
}
}
function processRequest(e) {
evt = e || window.event;
target = evt.target || evt.srcElement;
request = new XMLHttpRequest();
request.onreadystatechange = displayData;
request.open('GET', target.id + ".txt", true);
request.send(null);
}
function displayData() {
if (request.readyState == 4 && request.status == 200) {
var fields = request.responseText.split(",");
var labels = document.getElementsByTagName("label");
for (var i = 0; i < labels.length; i++) {
labels[i].innerText = fields[i];
}
}
}
window.onload = init();
我的XML檔案
<LANGUAGES>
<english>
<FIELD>First Name:</FIELD>
<FIELD>Last Name:</FIELD>
<FIELD>Address 1:</FIELD>
<FIELD>Address 2</FIELD>
<FIELD>City:</FIELD>
<FIELD>Province:</FIELD>
<FIELD>Postal Code:</FIELD>
<FIELD>Visited:</FIELD>
</english>
<francais>
<FIELD>Prenom:</FIELD>
<FIELD>Nom de Famille:</FIELD>
<FIELD>Adresse 1:</FIELD>
<FIELD>Adresse 2:</FIELD>
<FIELD>Ville:</FIELD>
<FIELD>Province:</FIELD>
<FIELD>Code Postal:</FIELD>
<FIELD>Visite:</FIELD>
</francais>
<italiano>
<FIELD>Primo Nome:</FIELD>
<FIELD>Cognome:</FIELD>
<FIELD>Indirizzo 1:</FIELD>
<FIELD>Indirizzo 2:</FIELD>
<FIELD>Citta:</FIELD>
<FIELD>Province:</FIELD>
<FIELD>Codice Postale:</FIELD>
<FIELD>Visitato:</FIELD>
</italiano>
<deutsche>
<FIELD>Vorname:</FIELD>
<FIELD>Nachname:</FIELD>
<FIELD>Adresse 1:</FIELD>
<FIELD>Adresse 2:</FIELD>
<FIELD>Stadt:</FIELD>
<FIELD>Provinz:</FIELD>
<FIELD>Postleitzahl:</FIELD>
<FIELD>Besucht:</FIELD>
</deutsche>
</LANGUAGES>
的HTML
<header>
<span> </span>
<ul id="languageChoice">
<li class="rb"><a name="deutsche" id="deutsche">Deutsche</a></li>
<li class="rb"><a name="italiano" id="italiano">Italiano</a></li>
<li class="rb"><a name="Francais" id="francais">Francais</a></li>
<li class="rb"><a name="English" id="english">English</a></li>
</ul>
</header>
<section>
<form method="get" action="" id="add1">
<fieldset>
<table>
<tr>
<td class = "field"><label for="firstName">First Name:</label></td>
<td><input id="firstName" size=10 name="firstName"></td>
</tr>
<tr>
<td class = "field"><label for="lastname">Last Name:</label></td>
<td><input id="lastName" size=15 name="lastName"></td>
</tr>
<tr>
<td class = "field"><label for="address1">Address 1:</label></td>
<td><input id="address1" size=25 name="address1"></td>
</tr>
<tr>
<td class = "field"><label for="address2">Address 2:</label></td>
<td><input id="address2" size=25 name="address2"></td>
</tr>
<tr>
<td class = "field"><label for="city">City:</label></td>
<td><input id="city" size=20 name="city"></td>
</tr>
<tr>
<td class = "field"><label for="province">Province:</label></td>
<td><input id="province" size=20 name="province"></td>
</tr>
<tr>
<td class = "field"><label for="postalCode">Postal Code:</label></td>
<td><input id="postalCode" size=7 name="postalCode"></td>
</tr>
<tr>
<td class = "field"><label for="counter">Visited:</label></td>
<td><input id="counter" size=7 name="counter" disabled="yes"></td>
</tr>
<tr>
<td colspan=2><input type="submit" value="send" ></td>
</tr>
</table>
</fieldset>
</form>
</section>
您可以使用domParser
加載XML,該XML將其轉換為DOM文檔。 之后,您可以將其視為常規DOM文檔,並使用諸如getElementsByTagName
之類的方法來獲取您選擇的語言。 例:
if (window.DOMParser) {
parser=new DOMParser();
xmlDoc=parser.parseFromString(xml,"text/xml");
} else {
xmlDoc=new ActiveXObject("Microsoft.XMLDOM");
xmlDoc.async=false;
xmlDoc.loadXML(xml);
}
console.log(xmlDoc.getElementsByTagName('english')[0].children);
將返回english
標簽中的元素列表:
這是一個小提琴: http : //jsfiddle.net/jorgthuijls/M7mZ4/1/運行它並檢查您的控制台。
使用它,循環瀏覽表單的標簽並更新innerText
。
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