使用Ajax无刷新页面登录

标签：get   new   使用   elements   var   ready   src   end   window   

<script>

        window.onload = function () {

            var myname = document.getElementById("uname");

            var pwd = document.getElementById("pwd");

            if (window.XMLHttpRequest) {

                var myajax = new XMLHttpRequest();

            }

            else {          

var myajax = new ActiveXObject(‘Microsoft.XMLHTTP‘);

            }

            myajax.open("GET", "login.ashx?name=" + myname .value, true);

            myajax.send(null);

            myajax.onreadystatechange = function () {

                if (myajax.readyState == 4) {

                    if (myajax.status == 200) {

                        document.getElementsByTagName("img")[0].src =myajax.responseText;

                    }

                       else {

                                 alert("失败");

                       }

                  }

              }

          }

    </script>

使用Ajax无刷新页面登录

标签：get   new   使用   elements   var   ready   src   end   window   

原文地址：http://www.cnblogs.com/-zhang1995/p/7530712.html