现在很多网站，比如淘宝，京东等都改用使用极验拖动验证码实现登录，这种方式比传统的验证码方式有更好的体验，减少用户输入的错误，也同样能起到防盗刷的功能。现在很多极验都是第三方的，也很多都是收费的。这里主要介绍thinkphp整合系列之极验滑动验证码geetest，官网：http://www.geetest.com
具体如下：
一：注册获取key
注册；创建应用；获取key；
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二：导入sdk
/ThinkPHP/Library/Org/Xb/GeetestLip.class.php（此处GeetestLip.class.php是我重新命名的geetest类文件，原名为class.geetestlib.php）
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此处牵扯到thinkphp引入第三方类，我把第三方类放到Org/Util/Xb下面了，同时对该类文件加入命名空间如下，否则实例化类时找不到文件
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三：生成验证样式
admin/view/public/cdtsh_log_smfyws.php
<!doctype html><html><head><meta charset=”GBK”/><title>网站管理系统后台</title><script language=”javascript”type=”text/javascript”src=”__JS__/jquery.js”></script><link rel=”stylesheet”href=”__CSS__/jquery.validator.css” rel=”external nofollow” ><script type=”text/javascript”src=”__JS__/jquery.validator.js”></script><script type=”text/javascript”src=”__JS__/zh_CN.js”></script><link href=”__CSS__/admin_login.css?v20130227″ rel=”external nofollow” rel=”stylesheet”/><script>$(document).ready(function(){var verifyimg=$(“.verifyimg”).attr(“src”);$(“.reloadverify”).click(function(){if(verifyimg.indexOf(‘?’)>0){$(“.verifyimg”).attr(“src”,verifyimg+’&random=’+Math.random());}else{$(“.verifyimg”).attr(“src”,verifyimg.replace(/?.*$/,”)+’?’+Math.random());}});});</script></head><body><div class=”wrap”><h1><a href=”javascript:;” rel=”external nofollow” style=”height:116px;width:250px;”>后台管理中心</a></h1><form method=”post”action=”{:U(‘Admin/Public/cdtsh_log_smfyws’)}”><div class=”login”><ul><li><input class=”input”id=”username”name=”username”type=”text”title=”用户名”data-rule=”required;username”placeholder=”用户名”/><span class=”msg-box n-right”style=”position:absolute;left:248px;top:12px;”for=”username”></span></li><li><input class=”input”name=”password”type=”password”title=”密码”data-rule=”required;password”placeholder=”密码”/><span class=”msg-box n-right”style=”position:absolute;left:248px;top:12px;”for=”password”></span></li><li><input class=”input”id=”verify”name=”verify”type=”text”style=”width:130px;”title=”密码”data-ok=””placeholder=”验证码”data-tip=”输入验证码！”title=”验证码”data-rule=”required;text;remote[{:U(‘Admin/Public/check_verify’)}]”/><div class=”yanzhengma_box”id=”verifyshow”><img class=”verifyimg reloadverify”style=”cursor:pointer;”align=”right”src=”{:U(‘public/verify’)}”title=”点击刷新”></div><span class=”msg-box n-right”style=”position:absolute;left:248px;top:12px;”for=”verify”></span></li></ul><ul><!–<input type=”button”value=”异步验证登录”onclick=”check_verify()”>–><!–<input type=”submit”value=”post提交登录”>–><div id=”captcha”></div></ul><button type=”submit”class=”btn”id=”subbtn”>登录</button></div></form></div><script src=”http://static.geetest.com/static/tools/gt.js”></script><script>var handler=function(captchaObj){//将验证码加到id为captcha的元素里captchaObj.appendTo(“#captcha”);};//获取验证码$.get(“{:U(‘Admin/Public/verifys’)}”,function(data){//使用initGeetest接口//参数1：配置参数，与创建Geetest实例时接受的参数一致//参数2：回调，回调的个参数验证码对象，之后可以使用它做appendTo之类的事件initGeetest({gt:data.gt,challenge:data.challenge,product:”float”,//产品形式offline:!data.success,new_captcha:’true’,width:’260px’,},handler);},’json’);</script></body></html>
四：验证函数
/Application/Common/Common/function.php
/**
*geetest检测验证码
*/
function geetest_chcek_verify($data){
$geetest_id=”7149e2021d7938157e”;
$geetest=newOrgUtilXbGeetestLib($geetest_id,$geetest_key);
$geetest_key=”62b92039e1e9cf9455″;
$ip_address=$_SESSION[‘geetest’][‘ip_address’];
$user_id=$_SESSION[‘geetest’][‘user_id’];
$dataa=array(
“client_type”=>”web”,#web:电脑上的浏览器；h5:手机上的浏览器，包括移动应用内完全内置的web_view；native：通过原生SDK植入APP应用的方式
“user_id”=>$user_id,#网站用户id
“ip_address”=>$ip_address,#请在此处传输用户请求验证时所携带的IP
);
$result=$geetest->success_validate($data[‘geetest_challenge’],$data[‘geetest_validate’],$data[‘geetest_seccode’],$dataa);
if($_SESSION[‘geetest’][‘gtserver’]==1){
//return$result;
if($result){
//return 11;
return true;
}else{
if($geetest->fail_validate($data[‘geetest_challenge’],$data[‘geetest_validate’],$data[‘geetest_seccode’])){
//return 22;
return false;
}
}else{
//return 33;
return true;
}else{
//return 44;
return false;
}
}
}elseif(!empty($_SERVER[“HTTP_X_FORWARDED_FOR”])){
}
//获取id地址
function GetIP(){
if(!empty($_SERVER[“HTTP_CLIENT_IP”])){
$cip=$_SERVER[“HTTP_CLIENT_IP”];
$cip=”无法获取！”;
$cip=$_SERVER[“HTTP_X_FORWARDED_FOR”];
}elseif(!empty($_SERVER[“REMOTE_ADDR”])){
$cip=$_SERVER[“REMOTE_ADDR”];
}else{
}
return$cip;
}
五：php生成验证码并验证
//极速验证
public function verifys(){
//require_once dirname(dirname(dirname(__FILE__))).’/lib/class.geetestlib.php’;
//require_once dirname(dirname(__FILE__)).’/config/config.php’;
$geetest_id=”7149e2021d7938157e9″;
//$GtSdk=new GeetestLib(CAPTCHA_ID,PRIVATE_KEY);
$geetest_key=”62b92039e1e9cf”;
$data=array(
$geetest=newOrgUtilXbGeetestLib($geetest_id,$geetest_key);
//dump($geetest);die;
$user_id=”test”;
“user_id”=>$user_id,#网站用户id
$status=$geetest->pre_process($data,1);
“client_type”=>”web”,#web:电脑上的浏览器；h5:手机上的浏览器，包括移动应用内完全内置的web_view；native：通过原生SDK植入APP应用的方式
“ip_address”=>GetIP(),#请在此处传输用户请求验证时所携带的IP
);
//dump($status);
$_SESSION[‘geetest’]=array(
‘gtserver’=>$status,
$username=$_POST[‘username’];
‘user_id’=>$user_id,
‘ip_address’=>GetIP(),
);
echo$geetest->get_response_str();
}
public function cdtsh_log_smfyws(){
if($_SESSION[‘userid’]){
$this->redirect(‘Admin/Index/Index’);
}else{
if(IS_POST){
if($data[‘geetest_challenge’]==””||$data[‘geetest_validate’]==””||$data[‘geetest_seccode’]==””){
$password=$_POST[‘password’];
//$geetest_challenge=$_POST[‘geetest_challenge’];
//$geetest_validate=$_POST[‘geetest_validate’];
//$geetest_seccode=$_POST[‘geetest_seccode’];
$data=I(‘post.’);
$this->error(‘请进行图形验证’);
}else{
if($data[“status”]!=1){
//dump(geetest_chcek_verify($data));
if(geetest_chcek_verify($data)){
//echo’验证成功’;
if($this->loginAdmin($username,$password)){
$data=M(“User”)->where(“username='”.$username.”‘and password='”.md5($password).”‘”)->find();
//判断是否禁用
$status=M(“user”)->where(array(“id”=>$data[‘id’]))->save($save);
$this->recordLoginAdmin($_POST[‘username’],$_POST[‘password’],0,”账号禁用”);//记录登录日志
$this->error(‘该帐号禁用’);
}else{
$save[“lastlogin_time”]=time();
$save[“lastlogin_ip”]=get_client_ip();
$save[“login_num”]=$data[“login_num”]+1;
$_SESSION[‘userid’]=$data[‘id’];
$this->recordLoginAdmin($_POST[‘username’],$_POST[‘password’],0,”账号密码错误”);//记录登录日志
$_SESSION[‘user’]=$data[‘username’];
$_SESSION[‘rid’]=$data[‘a_Id’];
$this->recordLoginAdmin($_POST[‘username’],$_POST[‘password’],1);//记录登录日志
$this->redirect(‘Admin/Index/Index’);
//$this->success(‘登录成功’,U(‘Admin/Index/Index’));
}
}else{
$this->error(‘登录失败’);
}
}else{
}
//echo’图形验证失败’;
$this->error(‘图形验证失败’);
}
}
}else{
$this->display();
}
}
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