【 tulaoshi.com - Web开发 】
代码如下：
!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"
html xmlns="http://www.w3.org/1999/xhtml"
head
title/title
script src="js/Jquery1.7.js" type="text/javascript"/script
script type="text/javascript"
$(function () {
$('#txtUserName').blur(function () {
$.ajax({
type: "post",
contentType: "application/json",
url: "WebService1.asmx/ValidateUser",
data: "{username:'" + $('#txtUserName').val() + "'}",
success: function (result) {
$('#spinfo').text(result.d);
}
})
})
})
/script
/head
body
div
用户名input type="text" id="txtUserName" /span id="spinfo"/spanbr /
密码input type="text" id="txtPwd" /
/div
/body
/html
