<?php
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class Common_Util{
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/**
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* 随机字符串
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* @param int $length 长度
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* @param int $numeric 类型(0：混合；1：纯数字)
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* @return string
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*/
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public static function random($length, $numeric = 0) {
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$seed = base_convert(md5(microtime().$_SERVER['DOCUMENT_ROOT']), 16, $numeric ? 10 : 35);
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$seed = $numeric ? (str_replace('0', '', $seed).'012340567890') : ($seed.'zZ'.strtoupper($seed));
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if($numeric) {
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$hash = '';
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} else {
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$hash = chr(rand(1, 26) + rand(0, 1) * 32 + 64);
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$length--;
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}
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$max = strlen($seed) - 1;
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for($i = 0; $i < $length; $i++) {
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$hash .= $seed{mt_rand(0, $max)};
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}
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return $hash;
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}
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/**
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* 更新角色权限
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* @return [type] [description]
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*/
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public function updateRoleAuth(){
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$role_service = new Service_Role();
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$roles = $role_service->getRoleList();
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$role_auths = array();
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foreach ($roles as $role) {
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$role_auth[$role['_id']] = explode(',', $role['modules']);
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}
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//初始化redis
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$redis = System_Service_Locator::getInstance()->get('redis');
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$redis->set('role_auth', $role_auth);
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}
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}
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