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php密码生成类实例,php生成实例

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Release: 2016-06-13 09:24:59
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php密码生成类实例,php生成实例

本文实例讲述了php实现的密码生成类及其应用方法,分享给大家供大家参考。具体分析如下:

一、php密码生成类功能:

1.可设定密码长度。
2.可设定要生成的密码个数,批量生成。
3.可以指定密码的规则,字母,数字,特殊字符等。

二、用法:

GeneratePassword.class.php类文件如下:

<&#63;php 
/** Generate Password class,根据指定规则生成password 
*  Date:  2013-12-23 
*  Author: fdipzone 
*  Ver:  1.0 
* 
*  Func: 
*  public batchGenerate 批量生成密码 
*  private generate   生成单个密码 
*  private getLetter   获取字母  
*  private getNumber   获取数字 
*  private getSpecial  获取特殊字符 
*/ 
 
class GeneratePassword{ // class start 
 
  // 密码的规则 default 
  private $_rule = array( 
   'letter' => 1, 
   'number' => 1, 
   'special' => 1 
  );
 
  private $_length = 8;         // 密码长度 
  private $_num = 1;          // 密码数量 
  private $_special = '!@#$%^&*()_+=-'; //允许的特殊字符 
 
  /** 初始化 
  * @param int  $length 密码长度 
  * @param int  $num   密码数量 
  * @param Array $rule  密码规则 
  * @param String $special 允许的特殊字符 
  */ 
  public function __construct($length=8, $num=1, $rule=array(), $special=''){ 
 
    if(isset($length) && is_numeric($length) && $length>=4 && $length<=50){ // 长度 
      $this->_length = $length; 
    } 
 
    if(isset($num) && is_numeric($num) && $num>0 && $num<=100){ // 数量 
      $this->_num = $num; 
    } 
 
    if(isset($special) && is_string($special) && $special!=''){ // 特殊字符 
      $this->_special = $special; 
    } 
 
    if($rule){ // 规则 
 
      $t_rule = array(); 
 
      if(isset($rule['letter']) && in_array($rule['letter'], array(1,2,3,4,5))){ // 1:可选用 2:必须 3:必须小写 4:必须大写 5:大小写都必须 
        $t_rule['letter'] = $rule['letter']; 
      } 
 
      if(isset($rule['number']) && in_array($rule['number'], array(1,2))){ // 1:可选用 2:必须 
        $t_rule['number'] = $rule['number']; 
      } 
 
      if(isset($rule['special']) && in_array($rule['special'], array(1,2))){ // 1:可选用 2:必须 
        $t_rule['special'] = $rule['special']; 
      } 
 
      if($t_rule){ 
        $this->_rule = $t_rule; 
      } 
    } 
  } 
 
  /** 批量生成密码 
  * @return Array 
  */ 
  public function batchGenerate(){ 
    $passwords = array(); 
    for($i=0; $i<$this->_num; $i++){ 
      array_push($passwords, $this->generate()); 
    } 
    return $passwords; 
  } 
 
  /** 生成单个密码 
  * @return String 
  */ 
  private function generate(){ 
 
    $password = ''; 
    $pool = ''; 
    $force_pool = ''; 
 
    if(isset($this->_rule['letter'])){ 
 
      $letter = $this->getLetter(); 
 
      switch($this->_rule['letter']){ 
        case 2: 
          $force_pool .= substr($letter, mt_rand(0,strlen($letter)-1), 1); 
          break; 
 
        case 3: 
          $force_pool .= strtolower(substr($letter, mt_rand(0,strlen($letter)-1), 1)); 
          $letter = strtolower($letter); 
          break; 
 
        case 4: 
          $force_pool .= strtoupper(substr($letter, mt_rand(0,strlen($letter)-1), 1)); 
          $letter = strtoupper($letter); 
          break; 
 
        case 5: 
          $force_pool .= strtolower(substr($letter, mt_rand(0,strlen($letter)-1), 1)); 
          $force_pool .= strtoupper(substr($letter, mt_rand(0,strlen($letter)-1), 1)); 
          break; 
      } 
 
      $pool .= $letter; 
    } 
    if(isset($this->_rule['number'])){ 
 
      $number = $this->getNumber(); 
 
      switch($this->_rule['number']){ 
        case 2: 
          $force_pool .= substr($number, mt_rand(0,strlen($number)-1), 1); 
          break; 
      } 
 
      $pool .= $number; 
    } 
 
    if(isset($this->_rule['special'])){ 
 
      $special = $this->getSpecial(); 
 
      switch($this->_rule['special']){ 
        case 2: 
          $force_pool .= substr($special, mt_rand(0,strlen($special)-1), 1); 
          break; 
      } 
      $pool .= $special; 
    } 
 
    $pool = str_shuffle($pool); // 随机打乱 
 
    $password = str_shuffle($force_pool. substr($pool, 0, $this->_length-strlen($force_pool))); // 再次随机打乱 
 
    return $password; 
  } 
 
  /** 字母 */ 
  private function getLetter(){ 
    $letter = 'AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz'; 
    return $letter; 
  } 
 
  /** 数字 */ 
  private function getNumber(){ 
    $number = '1234567890'; 
    return $number; 
  } 
 
  /** 特殊字符 */ 
  private function getSpecial(){ 
    $special = $this->_special; 
    return $special; 
  } 
} // class end 
 
&#63;> 

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demo示例程序如下:

<&#63;php 
require 'GeneratePassword.class.php'; 
 
$rule = array( 
  'letter' => 5, // 必须含有大小写字母 
  'number' => 2, // 必须含有数字 
  'special' => 2 // 必须含有特殊字符 
); 
 
$special = '!@#$%_-'; 
 
$obj = new GeneratePassword(8, 10, $rule, $special); 
$passwords = $obj->batchGenerate(); 
 
echo implode('<br>', $passwords); 
&#63;> 

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本文完整源码可点击此处本站下载。

相信本文所述对大家的C#程序设计有一定的借鉴价值。

PHP生成随机密码

可以把大写字母和数字放在一个数组里,再随机取。

用你原来想法的话,可以这样加判断
for ($i = 0; $i {
$a =char(mt_rand(33, 126));
if(($a 'Z') || ($a > '9')&&($a {
$i--
}
else
{
$randpwd .=$a;
}
}
 

批量生成卡号密码的php程序

给你一些代码吧,具体怎么改,你自己根据自己的需要改一下.
function MakeCard()
{
set_time_limit(0);

//处理缓冲区
ob_end_clean();
ob_implicit_flush(true);
echo str_pad(" ", 256);

if(intval($_POST['num']>0)) $num=intval($_POST['num']); //数量
if(intval($_POST['point']>0)) $point=intval($_POST['point']); //点数
if(intval($_POST['batch']>0)) $batch=intval($_POST['batch']); //批号
if(($_POST['ym']!="")) $ym=$_POST['ym']; //发行年月
else $ym=date('ym');

if($num==0) return;

$num=$num*10000; //卡的张数,即记录数

echo "

开始 ".date("H:i:s")." ";

for($i=1;$i {
$sn=sprintf("%02s%s%06s",$batch,$ym,$i);
$seek=mt_rand(0,9999).mt_rand(0,9999).mt_rand(0,9999); //12位
$start=mt_rand(0,20);
$str=strtoupper(substr(md5($seek),$start,12));
$str=str_replace("O",chr(mt_rand(65,78)),$str);
$str=str_replace("0",chr(mt_rand(65,78)),$str);
$row=array('sn'=>$sn,'password'=>$str,'created'=>time(),'point'=>$point);
//查重
//在这里加插入数据的代码.

echo " 结束 ".date("H:i:s")."";
printf("
成功生成:%s万个 %s点 的密码",$num/1e4,$point);
return $num;
} //函数结束

$numbers=MakeCark(......余下全文>>
 

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