JavaScript 13 Ajax技術（未完)
阿新 • • 發佈：2019-03-09
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<body> <!-- 添加文檔主體內容 --> <header> <nav>JavaScript - Ajax - 讀取XML文件</nav> </header> <hr> <div id="id-div-form"> <form id="id-form" name="name-form" action="#" method="get" target="_blank" accept-charset="utf-8"> <table> <caption>Ajax - 讀取XML文件</caption> <tr> <td class="td-label"><label>源文件</label></td> <td>xml-table.xml</td> </tr> <tr> <td class="td-label"><label>Ajax方式</label></td> <td><input type="button" value="讀取" onclick="on_ajax_load_xml_click();"/></td> </tr> </table> </form> </div> <div id="id-xml-table"></div> <!-- 添加文檔主體內容 --> <script type="text/javascript"> var g_xhr; function creatXMLHttpRequest() { var xhr; if (window.ActiveXObject) { xhr = new ActiveXObject("Microsoft.XMLHTTP"); } else if (window.XMLHttpRequest) { xhr = new XMLHttpRequest(); } else { xhr = null; } return xhr; } function on_ajax_load_xml_click() { g_xhr = creatXMLHttpRequest(); if (g_xhr) { g_xhr.onreadystatechange = handleStateChange; g_xhr.open("GET", "xml-table.xml", true); g_xhr.setRequestHeader("CONTENT-TYPE", "application/x-www-form-urlencoded"); g_xhr.send(null); } } function handleStateChange() { if (g_xhr.readyState == 4) { if (g_xhr.status == 200) { console.log("The server response: " + g_xhr.responseText); document.getElementById("id-xml-table").innerHTML = g_xhr.responseText; console.log("The server response: " + g_xhr.responseXML); document.getElementById("id-xml-table").innerHTML += g_xhr.responseXML; } } } </script> </body>
POST請求方式
<body>
<!-- 添加文檔主體內容 -->
<header>
<nav>JavaScript - Ajax - POST請求方式</nav>
</header>
<hr>
<div id="id-div-form">
<form id="id-form"
name="name-form"
action="#"
method="post"
target="_blank"
accept-charset="utf-8">
<table>
<caption>Ajax - POST請求方式</caption>
<tr>
<td class="td-label"><label>用戶名</label></td>
<td><input type="text" id="id-input-username" value=""/></td>
</tr>
<tr>
<td class="td-label"><label>密碼</label></td>
<td><input type="password" id="id-input-pwd" value=""/></td>
</tr>
<tr>
<td class="td-label"><label>Ajax方式</label></td>
<td>
<input type="button"
id="id-input-login"
value="登陸"
onclick="on_login_click(this.id);"/>
</td>
</tr>
<tr>
<td class="td-label"><label>提示</label></td>
<td id="id-td-hint"></td>
</tr>
</table>
</form>
</div>
<!-- 添加文檔主體內容 -->
<script type="text/javascript">
var g_xhr;
function creatXMLHttpRequest() {
var xhr;
if (window.ActiveXObject) {
xhr = new ActiveXObject("Microsoft.XMLHTTP");
} else if (window.XMLHttpRequest) {
xhr = new XMLHttpRequest();
} else {
xhr = null;
}
return xhr;
}
function on_login_click(thisid) {
var param;
var p_username = document.getElementById("id-input-username").value;
var p_pwd = document.getElementById("id-input-pwd").value;
param = "username=" + p_username + "&pwd=" + p_pwd;
g_xhr = creatXMLHttpRequest();
if (g_xhr) {
g_xhr.onreadystatechange = handleStateChange;
g_xhr.open("POST", "ch13-ajax-post.php", true);
g_xhr.setRequestHeader("CONTENT-TYPE", "application/x-www-form-urlencoded");
g_xhr.send(param);
}
}
function handleStateChange() {
if (g_xhr.readyState == 4) {
if (g_xhr.status == 200) {
console.log("The server response: " + g_xhr.responseText);
document.getElementById("id-td-hint").innerHTML = g_xhr.responseText;
}
}
}
</script>
</body>
JavaScript 13 Ajax技術（未完)