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