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- <html>
- <head>
- <scrīptlanguage="javascrīpt">
- functionpostRequest(strURL){
- varxmlHttp;
- if(window.XMLHttpRequest){//ForMozilla,Safari,...
- varxmlHttp=newXMLHttpRequest();
- }
- elseif(window.ActiveXObject){//ForInternetExplorer
- varxmlHttp=newActiveXObject("Microsoft.XMLHTTP");
- }
- xmlHttp.open('POST',strURL,true);
- xmlHttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
- xmlHttp.onreadystatechange=function(){
- if(xmlHttp.readyState==4){
- updatepage(xmlHttp.responseText);
- }
- }
- xmlHttp.send(strURL);
- }
- functionupdatepage(str){
- if(str=="yes"){
- alert("WelcomeUser");
- }else{
- alert("InvalidLogin!Pleasetryagain!");
- }
- }
- functioncall_login(){
- varusername=window.document.f1.username.value;
- varpassword=window.document.f1.password.value;
- varurl="login.php?username="+username+"password="+password;
- postRequest(url);
- }
- </scrīpt>
- </head>
- <body>
- <Center>
- <formname="f1"ōnSubmit="returncall_login();">
- <tableborder="0"bgcolor="#CCCCCC"cellspacing="1"cellpadding="3"width="316">
- <tr>
- <tdalign="left"colspan="2"><b><fontsize="5"color="#000080">Login</font></b></td>
- </tr>
- <tr>
- <tdalign="right"width="124"><b><fontcolor="#000080">User
- Name:</font></b></td>
- <tdwidth="177"><inputtype="text"name="username"id="user"size="20"value=""/></td>
- </tr>
- <tr>
- <tdalign="right"width="124"><b><fontcolor="#000080">Password:</font></b></td>
- <tdwidth="177"><inputtype="password"name="password"size="20"value=""/></td>
- </tr>
- <tr>
- <tdcolspan="2"align="center"><inputtype="button"name="a1"value="Login"ōnClick="call_login()"></td>
- </tr>
- </table>
- </form>
- </center>
- </body>
- </html>
- javascript:;"onClick="javascript:tagshow(event,'PHP');"target="_self">PHP脚本部分login.php:
- <?
- $username=$_GET["username"];
- $password=$_GET["password"];
- if($username=="admin"&&$password=="admin"){
- echo"yes";
- }else{
- echo"No";
- }
- ?>
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