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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> |
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