复制代码 代码如下:
<script type="text/javascript"><!--
var request = false;
try {
request = new XMLHttpRequest();
} catch (trymicrosoft) {
try {
request = new ActiveXObject("Msxml2.XMLHTTP");
} catch (othermicrosoft) {
try {
request = new ActiveXObject("Microsoft.XMLHTTP");
} catch (failed) {
request = false;
}
}
}
if (!request) alert("Error initializing XMLHttpRequest!");
//获取信息
function GetInfo() {
var url = "test.aspx?userName=" + document.getElementById("txtName").value;
request.open("GET", url, true);
request.onreadystatechange = updatePageTime;
request.send(null);
}
//更新页面
function updatePageTime() {
if (request.readyState == 4) {
if (request.status == 200) {
var response = request.responseText;
document.getElementById("txtLoginName").value = response;
} else if (request.status == 404) {
alert("Requested URL is not found.");
} else if (request.status == 403) {
alert("Access denied.");
} else
alert("status is " + request.status);
}
}
// --></script>
<form id="form1" runat="server">
<input id="txtName" onchange="GetInfo()" type="text" />
<input id="txtLoginName" type="text" />
</form>
<script type="text/javascript"><!--
var request = false;
try {
request = new XMLHttpRequest();
} catch (trymicrosoft) {
try {
request = new ActiveXObject("Msxml2.XMLHTTP");
} catch (othermicrosoft) {
try {
request = new ActiveXObject("Microsoft.XMLHTTP");
} catch (failed) {
request = false;
}
}
}
if (!request) alert("Error initializing XMLHttpRequest!");
//获取信息
function GetInfo() {
var url = "test.aspx?userName=" + document.getElementById("txtName").value;
request.open("GET", url, true);
request.onreadystatechange = updatePageTime;
request.send(null);
}
//更新页面
function updatePageTime() {
if (request.readyState == 4) {
if (request.status == 200) {
var response = request.responseText;
document.getElementById("txtLoginName").value = response;
} else if (request.status == 404) {
alert("Requested URL is not found.");
} else if (request.status == 403) {
alert("Access denied.");
} else
alert("status is " + request.status);
}
}
// --></script>
<form id="form1" runat="server">
<input id="txtName" onchange="GetInfo()" type="text" />
<input id="txtLoginName" type="text" />
</form>
标签：
ajax,异步获取数据
免责声明：本站文章均来自网站采集或用户投稿，网站不提供任何软件下载或自行开发的软件！
如有用户或公司发现本站内容信息存在侵权行为，请邮件告知！ 858582#qq.com
桃源资源网 Design By www.nqtax.com
暂无“ajax 异步获取数据实现代码 （js创建ajax对象）”评论...
RTX 5090要首发 性能要翻倍！三星展示GDDR7显存
三星在GTC上展示了专为下一代游戏GPU设计的GDDR7内存。
首次推出的GDDR7内存模块密度为16GB，每个模块容量为2GB。其速度预设为32 Gbps（PAM3），但也可以降至28 Gbps，以提高产量和初始阶段的整体性能和成本效益。
据三星表示，GDDR7内存的能效将提高20%，同时工作电压仅为1.1V，低于标准的1.2V。通过采用更新的封装材料和优化的电路设计，使得在高速运行时的发热量降低，GDDR7的热阻比GDDR6降低了70%。