78 lines
1.7 KiB
PHP
78 lines
1.7 KiB
PHP
<?php
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namespace app\admin\controller;
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use think\App;
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use think\facade\Db;
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use think\facade\Cache;
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use app\admin\QfShop;
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use app\model\Validate as ValidateModel;
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class System extends QfShop
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{
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public function __construct(App $app)
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{
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parent::__construct($app);
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}
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/**
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* 获取图形验证码
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*
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* @return void
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*/
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public function getCaptcha()
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{
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// $error = $this->access();
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// if ($error) {
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// return $error;
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// }
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$validateModel = new ValidateModel();
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$imgData = $validateModel->getImg();
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$code = strtoupper($validateModel->getCode());
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$token = sha1($code . time()) . rand(100000, 999999);
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cache($token, $code, 60);
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return jok('验证码生成成功', [
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'img' => $imgData,
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'token' => $token
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]);
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}
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/**
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* 清除缓存
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*
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* @return void
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*/
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public function clean()
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{
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$error = $this->access();
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if ($error) {
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return $error;
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}
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Cache::clear();
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if($this->del_dir("../runtime/")){
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return jok('缓存已清空');
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}else{
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return jerr('缓存清除失败');
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}
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}
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function del_dir($dir) {
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$dh=opendir($dir);
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while ($file=readdir($dh)) {
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if($file!="." && $file!="..") {
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$fullpath=$dir."/".$file;
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if(!is_dir($fullpath)) {
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@unlink($fullpath);
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} else {
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$this->del_dir($fullpath);
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}
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}
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}
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closedir($dh);
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if(rmdir($dir)) {
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return true;
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} else {
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return false;
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}
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}
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}
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