Community Learn Tools Library Leisure
search
English
Home > php教程 > php手册 > thinkphp verification code

thinkphp verification code

WBOY
Release： 2016-09-19 08:55:04
Original
1280 people have browsed it

thinkphp comes with verification code

Front-end page: 

<span style="color: #0000ff;"><</span><span style="color: #800000;">div </span><span style="color: #ff0000;">style</span><span style="color: #0000ff;">="position:absolute;z-index:3;top:160px;left:180px;"</span><span style="color: #0000ff;">></span>
    <span style="color: #0000ff;"><</span><span style="color: #800000;">img </span><span style="color: #ff0000;">style</span><span style="color: #0000ff;">="cursor:pointer; "</span><span style="color: #ff0000;"> src</span><span style="color: #0000ff;">="{:U('Verify')}"</span><span style="color: #ff0000;"> onclick</span><span style="color: #0000ff;">="this.src=this.src+'?'+Math.random()"</span><span style="color: #ff0000;"> id</span><span style="color: #0000ff;">="safecode"</span><span style="color: #ff0000;"> style</span><span style="color: #0000ff;">="height:50px;width:70%;"</span><span style="color: #0000ff;">/></span>
<span style="color: #0000ff;"></</span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
Copy after login
<span style="color: #000000;">//验证码判断
 public function Verify(){
 ob_clean();
        //显示验证码
        $cfg=array(
            'codeSet'   =>  '0123456789',    // 验证码字符集合
            'imageH'    => 25,               // 验证码图片高度
            'imageW'    =>  80,               // 验证码图片宽度
            'length'    =>  4,               // 验证码位数
            'fontttf'   =>  '4.ttf',              // 验证码字体，不设置随机获取
            'fontSize'  =>  10,              // 验证码字体大小(px)
            'useNoise'  =>  false,            // 是否添加杂点
            'useCurve'  =>  false,            // 是否画混淆曲线
            'bg'        =>  array(226,229,236) //背景颜色
            );
        $very=new \Think\Verify($cfg);
        $very->entry();
    } 
//客户端通过ajax，实现校验验证码
    public function checkVerify(){
        $code = I('get.code');
        $very = new \Think\Verify();
        $key = $this->auth_my_code($very,$very->seKey);
        // 验证码不能为空
        $secode = session($key);

        //对$code进行加密，在比较校验
        if($this->auth_my_code($very,strtoupper($code)) == $secode['verify_code']) {
            echo json_encode(array('flag'=>1,'cont'=>'验证码正确'));
        }else{
            echo json_encode(array('flag'=>2,'cont'=>'验证码错误'));
        }
    }
    private function auth_my_code($vry,$str){
        $key = substr(md5($vry->seKey), 5, 8);
        $str = substr(md5($str), 8, 10);
        return md5($key . $str);
    }</span>
Copy after login

If the above verification code is entered incorrectly and submitted, it cannot be automatically refreshed. After making changes to the code:

location.href="/Login/Login"; This can only refresh the entire page, and the value of the submitted form may be lost, which greatly affects the user experience.

2. If the verification code is entered incorrectly, the verification code will be automatically refreshed after submission. 

<span style="color: #000000;">else{
       $('#safecode').attr("src","/Login/Verify?"+Math.random());
         NewAlert(2,"验证码有误，请重新输入",null);
         code_ok = false;
         $('#verifyresult').html(msg.cont).css({'color':'red','font-size':'12px'});  
        }</span>
Copy after login

3. The following is the ajax verification code submitted to the background for verification: 

<span style="color: #0000ff;"><</span><span style="color: #800000;">script </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="text/javascript"</span><span style="color: #0000ff;">></span><span style="background-color: #f5f5f5; color: #000000;">

$(</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">#login_btn</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">).click(</span><span style="background-color: #f5f5f5; color: #0000ff;">function</span><span style="background-color: #f5f5f5; color: #000000;">(){
       </span><span style="background-color: #f5f5f5; color: #0000ff;">var</span><span style="background-color: #f5f5f5; color: #000000;"> username </span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;"> $.trim($(</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">#username</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">).val());
       </span><span style="background-color: #f5f5f5; color: #0000ff;">var</span><span style="background-color: #f5f5f5; color: #000000;"> password </span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;"> $.trim($(</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">#password</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">).val());
       </span><span style="background-color: #f5f5f5; color: #0000ff;">var</span><span style="background-color: #f5f5f5; color: #000000;"> code </span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;"> $(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">#veri</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">).val();
        </span><span style="background-color: #f5f5f5; color: #0000ff;">if</span><span style="background-color: #f5f5f5; color: #000000;">(username </span><span style="background-color: #f5f5f5; color: #000000;">==</span> <span style="background-color: #f5f5f5; color: #000000;">""</span><span style="background-color: #f5f5f5; color: #000000;">){
            NewAlert(</span><span style="background-color: #f5f5f5; color: #000000;">2</span><span style="background-color: #f5f5f5; color: #000000;">,</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">请输入用户名</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">,</span><span style="background-color: #f5f5f5; color: #0000ff;">null</span><span style="background-color: #f5f5f5; color: #000000;">);
            shutdown();
            </span><span style="background-color: #f5f5f5; color: #0000ff;">return</span> <span style="background-color: #f5f5f5; color: #0000ff;">false</span><span style="background-color: #f5f5f5; color: #000000;">;
        }</span><span style="background-color: #f5f5f5; color: #0000ff;">else</span> <span style="background-color: #f5f5f5; color: #0000ff;">if</span><span style="background-color: #f5f5f5; color: #000000;">(password </span><span style="background-color: #f5f5f5; color: #000000;">==</span> <span style="background-color: #f5f5f5; color: #000000;">""</span><span style="background-color: #f5f5f5; color: #000000;">){
            NewAlert(</span><span style="background-color: #f5f5f5; color: #000000;">2</span><span style="background-color: #f5f5f5; color: #000000;">,</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">请输入密码</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">,</span><span style="background-color: #f5f5f5; color: #0000ff;">null</span><span style="background-color: #f5f5f5; color: #000000;">);
            shutdown();
            </span><span style="background-color: #f5f5f5; color: #0000ff;">return</span> <span style="background-color: #f5f5f5; color: #0000ff;">false</span><span style="background-color: #f5f5f5; color: #000000;">;
        }</span><span style="background-color: #f5f5f5; color: #0000ff;">else</span> <span style="background-color: #f5f5f5; color: #0000ff;">if</span><span style="background-color: #f5f5f5; color: #000000;">(code</span><span style="background-color: #f5f5f5; color: #000000;">==</span><span style="background-color: #f5f5f5; color: #000000;">''</span><span style="background-color: #f5f5f5; color: #000000;">){
            NewAlert(</span><span style="background-color: #f5f5f5; color: #000000;">2</span><span style="background-color: #f5f5f5; color: #000000;">,</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">请输入验证码</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">,</span><span style="background-color: #f5f5f5; color: #0000ff;">null</span><span style="background-color: #f5f5f5; color: #000000;">);
            </span><span style="background-color: #f5f5f5; color: #0000ff;">return</span> <span style="background-color: #f5f5f5; color: #0000ff;">false</span><span style="background-color: #f5f5f5; color: #000000;">;
        }

        </span><span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;">ajax去服务器端校验</span>
<span style="background-color: #f5f5f5; color: #000000;">        $.ajax({
            url:</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">__CONTROLLER__/checkVerify</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">,
            data:{</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">code</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">:code},
            dataType:</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">json</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">,
            success:</span><span style="background-color: #f5f5f5; color: #0000ff;">function</span><span style="background-color: #f5f5f5; color: #000000;">(msg){
                </span><span style="background-color: #f5f5f5; color: #0000ff;">if</span><span style="background-color: #f5f5f5; color: #000000;">(msg.flag</span><span style="background-color: #f5f5f5; color: #000000;">==</span><span style="background-color: #f5f5f5; color: #000000;">1</span><span style="background-color: #f5f5f5; color: #000000;">){
                  </span><span style="background-color: #f5f5f5; color: #0000ff;">var</span><span style="background-color: #f5f5f5; color: #000000;"> data</span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;"> {
                       username:username,
                       password:password
                     };
                     $.ajax({
                             type:</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">POST</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">,
                             url:</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">{:U('Login/Login')}</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">,
                             data:data,
                             dataType:</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">json</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">,
                             success:</span><span style="background-color: #f5f5f5; color: #0000ff;">function</span><span style="background-color: #f5f5f5; color: #000000;">(msg){
                                 </span><span style="background-color: #f5f5f5; color: #0000ff;">if</span><span style="background-color: #f5f5f5; color: #000000;">(msg.RespCode</span><span style="background-color: #f5f5f5; color: #000000;">==</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">000</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">){
                                     shutdown();
                                     </span><span style="background-color: #f5f5f5; color: #0000ff;">if</span><span style="background-color: #f5f5f5; color: #000000;">(msg.org_code</span><span style="background-color: #f5f5f5; color: #000000;">==</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">fcb</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">){
                                         location.href</span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">/Invest/index?biao_type=cwb</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">;
                                     }</span><span style="background-color: #f5f5f5; color: #0000ff;">else</span><span style="background-color: #f5f5f5; color: #000000;">{
                                         location.href</span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">{$Think.config.VIP_URL}/Individual/index</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">;
                                     }
                                 }</span><span style="background-color: #f5f5f5; color: #0000ff;">else</span><span style="background-color: #f5f5f5; color: #000000;">{
                                     NewAlert(</span><span style="background-color: #f5f5f5; color: #000000;">2</span><span style="background-color: #f5f5f5; color: #000000;">,msg.RespDesc,</span><span style="background-color: #f5f5f5; color: #0000ff;">null</span><span style="background-color: #f5f5f5; color: #000000;">);
                                     </span><span style="background-color: #f5f5f5; color: #0000ff;">return</span> <span style="background-color: #f5f5f5; color: #0000ff;">false</span><span style="background-color: #f5f5f5; color: #000000;">;
                                 }
                             },
                             error:</span><span style="background-color: #f5f5f5; color: #0000ff;">function</span><span style="background-color: #f5f5f5; color: #000000;">(){
                                 shutdown();
                             },
                             beforeSend: </span><span style="background-color: #f5f5f5; color: #0000ff;">function</span><span style="background-color: #f5f5f5; color: #000000;">() {
                                 Loading();
                             },
                         });
                   }</span><span style="background-color: #f5f5f5; color: #0000ff;">else</span><span style="background-color: #f5f5f5; color: #000000;">{
                           $(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">#safecode</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">).attr(</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">src</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">,</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">/Login/Verify?</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">+</span><span style="background-color: #f5f5f5; color: #000000;">Math.random());
                        NewAlert(</span><span style="background-color: #f5f5f5; color: #000000;">2</span><span style="background-color: #f5f5f5; color: #000000;">,</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">验证码有误，请重新输入</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">,</span><span style="background-color: #f5f5f5; color: #0000ff;">null</span><span style="background-color: #f5f5f5; color: #000000;">);
                        code_ok </span><span style="background-color: #f5f5f5; color: #000000;">=</span> <span style="background-color: #f5f5f5; color: #0000ff;">false</span><span style="background-color: #f5f5f5; color: #000000;">;
                        $(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">#verifyresult</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">).html(msg.cont).css({</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">color</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">red</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">,</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">font-size</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">12px</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">});  
                }
            }
        });
});    

</span><span style="color: #0000ff;"></</span><span style="color: #800000;">script</span><span style="color: #0000ff;">></span>
Copy after login

Related labels：
thinkphp验证码
source：php.cn
Previous article：laravel--has method--view relationships Next article：PHP study notes: scaling pictures in equal proportions
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Latest Articles by Author
Latest Issues
Pass v-model email value to method Hi, I'm trying to pass v-model on the input to try and send the email to reset the validat...
From 2024-04-05 10:04:40
0
1
405
Get browser notifications from anyone except the current authenticator. user I'm currently building a chat application with ReactJS and I've been going crazy with this...
From 2024-04-04 19:01:28
0
1
362
After SAPUI5 callFunction() is called, Errorhandler is not called I'm trying to validate IBAN in wizard in SAPUI5. To do this I use functionImport on V2ODat...
From 2024-04-04 18:06:36
0
1
400
Cypress test to intercept Zoom URL I have a test case that ends up redirecting to a Zoom link. I'm trying to avoid the browse...
From 2024-04-04 16:16:37
0
1
340
Component as a property with omitted parameters I want to define a property that must be a component with an omitted property. I have a va...
From 2024-04-03 20:25:34
0
1
278
Related Topics
More>
Popular Recommendations
Popular Tutorials
More>
Related Tutorials
Popular Recommendations
Latest courses
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template