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Statement: This procedure is purely my whim in the learning process, did not consider any feasibility, practicality, just stay for later reference.
Front Page
Sign.html
<!DOCTYPE HTML><HTML> <Head> <MetaCharSet= ' Utf-8 '> <title>QQ Registration & Login</title> <Linkrel= ' stylesheet 'type= ' Text/css 'href= './sign.css '> <Scriptsrc= "Http://cdn.bootcss.com/blueimp-md5/1.1.0/js/md5.js"></Script> <Scriptsrc= './sign.js 'type= ' Text/javascript '> </Script> </Head> <Body> <Divclass= ' header '>QQ Registration & Login</Div> <Divclass= ' container '> <H3>Registered</H3> <formname= ' Signup 'Action= './signup.php 'onsubmit= ' return 'ValidateForm1 () ' Method= ' Post '>QQ:<inputtype= ' text 'name= ' uid 'ID= ' Userid1 '>Password:<inputtype= ' Password 'name= ' upd 'ID= ' Userpassword1 '> <inputtype= ' Submit 'onsubmit=""value= ' Register '> </form> <H3>Login</H3> <formname= ' signin 'Action= './signin.php 'onsubmit= ' return 'ValidateForm2 (); ' Method= ' Post '>QQ:<inputtype= ' text 'name= ' uid 'ID= ' Userid2 '>Password:<inputtype= ' Password 'name= ' upd 'ID= ' Userpassword2 '> <inputtype= ' Submit 'onsubmit=""value= ' Login '> </form> </Div> </Body></HTML>
Css
Sign.css
* {margin:0 0 0 0;padding:0 0 0 0;}Body{background:WhiteSmoke;font-size:1em;}. Header{Height:3em;font-size:2.5em;Line-height:3em;Color:Gray;Border-bottom:solid black 1px;text-align:Center;}. Container{text-align:Center;}
Js
Sign.js
functionValidateForm1 () {varID = This[' Userid1 '].value; varPassword = This[' Userpassword1 '].value; if(!id.match (/^\d{5,10}$/) {alert (' ID must be 5 to 10 digits '); return false; } if(!password.match (/^[\d\w]{6,18}$/) {alert (' Password must be 6 to 32 digits and/or letters '); return false; } This[' userpassword1 '].value =MD5 (password);}functionValidateForm2 () {varID = This[' Userid2 '].value; varPassword = This[' Userpassword2 '].value; if(!id.match (/^\d{5,10}$/) {alert (' ID must be 5 to 10 digits '); return false; } if(!password.match (/^[\d\w]{6,18}$/) {alert (' Password must be 6 to 18 digits and/or letters '); return false; } This[' userpassword2 '].value =MD5 (password);}
Server-side scripting
signin.php
<?PHP$uid=$_post[' UID '];$upd=$_post[' Upd '];$upd=MD5($upd);$conn=Mysqli_connect(' localhost ', ' myqq ', ' myqq ', ' QQ ');if(!$conn){ die("Database connection failed.")Mysqli_connect_error());}$sql _select= <<<eofselect ID, password from user where id = ' $uid 'EOF;$result=$conn->query ($sql _select);if($result->num_rows = = 1){ //echo ' user presence '; $dbupd= ($result->FETCH_ASSOC ()) [' Password ']; if($dbupd==$upd ){ Echo"Login Successful"; } Else { Echo"Bad password"; //echo "<br>". $upd. "<br>". $DBUPD; } }Else { Echo"User does not exist";}?>
signup.php
<?PHP$uid=$_post[' UID '];$upd=$_post[' Upd '];$upd=MD5($upd);//Echo $upd. ' <br> ';//echo $uid. $UPD;$conn=Mysqli_connect(' localhost ', ' myqq ', ' myqq ', ' QQ ' );if(!$conn){ die("Database connection failed.")Mysqli_connect_error() );} $sql _select= <<<eofselect ID, password from user where id = ' $uid 'EOF;//echo $sql _select;$result=$conn->query ($sql _select ) ;if($result->num_rows <= 0){ $sql _insert= <<<Eofinsert into user values ($uid, ' $UPD ') EOF; if($conn->query ($sql _insert) ===TRUE ) { Echo' Registered success '; } Else { Echo"Registration failed, please try again".$sql. ' <br> '.$conn-error; }}Else { Echo"User already exists";}$conn-close ();?>
id& Password Verification program implemented with PHP&JS
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