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Thinkphp_ Simple Sign-in demo

Source: Internet
Author: User
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1) front-desk login Template:

<!DOCTYPE HTML Public "-//W3C//DTD XHTML 1.0 transitional//en" "http://www.w3.org/TR/xhtml1/DTD/ Xhtml1-transitional.dtd "><HTML>    <Head>        <Metahttp-equiv= "Content-type"content= "text/html; charset=utf-8">        <title>Index</title>        <Linkrel= ' stylesheet 'type= ' Text/css 'href= ' __css__/basic.css '/>        <Scriptsrc= "__js__/basic.js"></Script>    </Head>    <Body>        <formAction= ' __url__/do_login 'Method= ' Post 'name= ' MyForm '>User name:<inputtype= ' text 'name= ' username '/><BR/>Password:<inputtype= ' Password 'name= ' Password '/><BR/>Verification Code:<inputtype= ' text 'name= ' Code '/>                    <imgsrc= "__app__/public/code"onclick= ' this.src=this.src+ '? " +math.random () '/>            </br/>            <imgsrc= ' __public__/images/login.gif 'onclick= "Sub ()"/>        </form>    </Body></HTML>

2) JS Verification and submit (Basic.js):

function Sub () {                var ou=document.myForm.username;                 var op=Document.myForm.password;                 var oc=Document.myForm.code;                 if (ou.value== "| | | op.value==" | | oc.value== ') {                    alert (' username or password or verification code cannot be null ');                } Else {                    document.myForm.submit ();                }            }

3) How to generate the CAPTCHA controller:

<? PHP     class extends action{        function  code () {        import (' ORG. Util.image ');            Image::buildimageverify ();        }    }

4) Login-processing controller:

<?PHPclassLoginactionextendsAction {functionindex () {$this-display (); }        functionDo_login () {//get the user name and password, and so on. And in the database, there is a user allowed to log on otherwise output error page            $username=$_post[' username ']; $password=$_post[' Password ']; $code=$_post[' Code ']; if($_session[' Verify ']!==MD5($code)){                $this->error (' Verification code Error! ‘); }            $m=m (' User '); $where[' username ']=$username; $where[' Password ']=$password; $i=$m->where ($where),Count(); if($i>0){                $this->redirect (' User/index '); }Else{                $this->error (' The user does not exist '); }        }    }

Thinkphp_ Simple Sign-in demo

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