Created
April 29, 2012 12:39
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login & register with ajax
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<html> | |
<head> | |
<title>login</title> | |
<script type="text/javascript" > | |
function id(id){ | |
return document.getElementById(id); | |
} | |
function setCookie(c_name,value,expiredays){ | |
var exdate=new Date(); | |
exdate.setDate(exdate.getDate()+expiredays); | |
document.cookie=c_name+ "=" +escape(value)+ | |
((expiredays==null) ? "" : ";expires="+exdate.toUTCString()); | |
} | |
function login(form){ | |
if(form.username.value == ""){ | |
id("note1").textContent="please enter the username"; | |
form.username.focus(); | |
return; | |
} | |
else | |
id("note1").textContent=""; | |
if(form.password.value == ""){ | |
id("note2").textContent="please enter the password"; | |
form.password.focus(); | |
return; | |
} | |
else | |
id("note2").textContent=""; | |
var ajax=new XMLHttpRequest(); | |
ajax.onreadystatechange = function(){ | |
if(this.readyState == 4 && this.status == 200){ | |
var check = this.responseText; | |
alert(check); | |
if(check == "true"){ | |
setCookie('username',form.username.value,10); | |
location.replace("index.html"); | |
} | |
else if(check == "false"){ | |
id("response").textContent="wrong username or password"; | |
return; | |
} | |
else{ | |
id("response").textContent="...error"; | |
return; | |
} | |
} | |
} | |
ajax.open("POST","login.php"); | |
ajax.setRequestHeader("Content-Type","application/x-www-form-urlencoded"); | |
ajax.send("username="+form.username.value+"&password="+form.password.value); | |
} | |
</script> | |
</head> | |
<body> | |
<form> | |
<fieldset> | |
<legend>login</legend> | |
username:<input type="text" name="username" /><span id="note1"></span><br /> | |
password:<input type="password" name="password" /><span id="note2"></span><br /> | |
<input type="button" value="login" onclick="login(this.form)"/> | |
<p id="response"></p> | |
</fieldset> | |
</form> | |
<a href="register.html">register</a> | |
<a href="index.html">index</a> | |
</body> | |
</html> |
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<html> | |
<head> | |
<title>register</title> | |
<script type="text/javascript"> | |
function id(id){ | |
return document.getElementById(id); | |
} | |
function setCookie(c_name,value,expiredays){ | |
var exdate=new Date(); | |
exdate.setDate(exdate.getDate()+expiredays); | |
document.cookie=c_name+ "=" +escape(value)+ | |
((expiredays==null) ? "" : ";expires="+exdate.toUTCString()); | |
} | |
function checkpw(form){ | |
if(form.password.value != form.chkpasswd.value){ | |
id("note3").textContent="password and checkpassword not same"; | |
form.username.focus(); | |
return; | |
} | |
else | |
id("note3").textContent=""; | |
} | |
function register(form){ | |
if(form.username.value == ""){ | |
id("note1").textContent="please enter the username"; | |
form.username.focus(); | |
return; | |
} | |
else | |
id("note1").textContent=""; | |
if(form.password.value == ""){ | |
id("note2").textContent="please enter the password"; | |
form.password.focus(); | |
return; | |
} | |
else | |
id("note1").textContent=""; | |
var ajax=new XMLHttpRequest(); | |
ajax.onreadystatechange = function(){ | |
if(this.readyState == 4 && this.status ==200){ | |
var check = this.responseText; | |
if(check == "true"){ | |
setCookie('username',form.username.value,10); | |
alert("success"); | |
location.replace("index.html"); | |
} | |
else if(check == "same"){ | |
id("check").textContent="this id has been used"; | |
return; | |
} | |
else if(check == "false"){ | |
id("check").textContent="wrong username or password"; | |
return; | |
} | |
else{ | |
id("check").textContent=check; | |
return; | |
} | |
} | |
} | |
ajax.open("POST","register.php"); | |
ajax.setRequestHeader("Content-Type","application/x-www-form-urlencoded"); | |
ajax.send("username="+form.username.value+"&password="+form.password.value); | |
} | |
</script> | |
</head> | |
<body> | |
<form> | |
<fieldset> | |
<legend>register</legend> | |
username:<input type="text" name="username" /><sapn id="note1"></sapn><br /> | |
password:<input type="password" name="password" value=""/><span id="note2"></span><br /> | |
checkpassword:<input type="password" name="chkpasswd" value="" onblur="checkpw(this.form)" /><span id="note3"></span><br /> | |
<input type="button" value="sent" onclick="register(this.form)" /> | |
<p id="check"></p> | |
</fieldset> | |
</form> | |
<a href="login.html">Back</a> | |
<a href="index.html">index</a> | |
</body> | |
</html> |
??
i need login.php file
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where is login.php file