这是我的项目的示例代码。它在一个页面上包含两个表单。
第一个表单包含用户名和一个文本框,当我输入用户名并单击登录按钮时,应显示用户名并显示注销表单。
关闭浏览器窗口后,如何确保用户保持登录状态?
代码
<!DOCTYPE html>
<html>
<title>Login Page</title>
<head>
<script>
function set(x)
{
document.getElementById(x).value="";
}
</script>
<script>
function showDiv(e)
{
var divs = document.getElementsByTagName('div');
if (e==1)
{
for(i=0;i<divs.length;i++)
{
if (divs[i].id=="hidevar1")divs[i].style.visibility="visible";
else if (divs[i].id=="hidevar2")divs[i].style.visibility="hidden";
}
}
else {
for(i=0;i<divs.length;i++)
{
if (divs[i].id=="hidevar1")divs[i].style.visibility="hidden";
else if (divs[i].id=="hidevar2") {
divs[i].style.visibility="visible";
}
}
}
}
function put()
{
var x = document.getElementById("fname").value;
currentTime=new Date();
if(currentTime.getHours()<12)
var y = "Good Morning ";
else if(currentTime.getHours()<17)
var y = "Good Afternoon ";
else
var y = "Good Evening ";
document.getElementById("devin").innerHTML = "Hello " + x + " " + y;
}
</script>
<script>
</script>
<script>
function search()
{
var dic = document.getElementById("url").value;
var str="http://www.google.co.in/#hl=en&q=";
var www=str+dic;
window.open(www);
}
</script>
</head>
<body>
<div id="devin">
</div>
<div id="hidevar1" style="visibility: visible;">
<form name="frm1" method="post" >//Login form
User Name : <input type="text" id="fname" value="Enter name here" onfocus="set(this.id)" >
</form>
<input type="button" value="Login" onClick="showDiv(2);put();">
</div>
<div id="hidevar2" style="visibility: hidden;">
<form name="frm2">//logout form
<script>
</script><br/>
<input type="submit" value="logout">
<br>
<br>
</form>
</div>
<br><br>
<input type="text" name="url1" id="url" />
<input type="submit" value="google"onclick="search();" />
</body>
</html>