php生成 优惠券 激活码

/* * * 生成vip激活码 * @param int $nums 生成多少个优惠码 * @param array $exist_array 排除指定数组中的优惠码 * @param int $code_length 生成优惠码的长度 * @param int $prefix 生成指定前缀 * @return array 返回优惠码数组 */ public function gene

<span>/*</span><span>*
     * 生成vip激活码
     * @param int $nums             生成多少个优惠码
     * @param array $exist_array     排除指定数组中的优惠码
     * @param int $code_length         生成优惠码的长度
     * @param int $prefix              生成指定前缀
     * @return array                 返回优惠码数组
     </span><span>*/</span>
    <span>public</span> <span>function</span> generateCode( <span>$nums</span>,<span>$exist_array</span>='',<span>$code_length</span> = 6,<span>$prefix</span> = ''<span> ) {
    
        </span><span>$characters</span> = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnpqrstuvwxyz"<span>;
        </span><span>$promotion_codes</span> = <span>array</span>();<span>//</span><span>这个数组用来接收生成的优惠码</span>
    
        <span>for</span>(<span>$j</span> = 0 ; <span>$j</span> $nums; <span>$j</span>++<span>) {
                
            </span><span>$code</span> = ''<span>;
                
            </span><span>for</span> (<span>$i</span> = 0; <span>$i</span> $code_length; <span>$i</span>++<span>) {
    
                </span><span>$code</span> .= <span>$characters</span>[<span>mt_rand</span>(0, <span>strlen</span>(<span>$characters</span>)-1<span>)];
    
            }
                
            </span><span>//</span><span>如果生成的4位随机数不再我们定义的$promotion_codes数组里面</span>
            <span>if</span>( !<span>in_array</span>(<span>$code</span>,<span>$promotion_codes</span><span>) ) {
    
                </span><span>if</span>( <span>is_array</span>(<span>$exist_array</span><span>) ) {
                        
                    </span><span>if</span>( !<span>in_array</span>(<span>$code</span>,<span>$exist_array</span>) ) {<span>//</span><span>排除已经使用的优惠码</span>
    
                        <span>$promotion_codes</span>[<span>$j</span>] = <span>$prefix</span>.<span>$code</span>; <span>//</span><span>将生成的新优惠码赋值给promotion_codes数组</span>
<span>    
                    } </span><span>else</span><span> {
    
                        </span><span>$j</span>--<span>;
    
                    }
                        
                } </span><span>else</span><span> {
                        
                    </span><span>$promotion_codes</span>[<span>$j</span>] = <span>$prefix</span>.<span>$code</span>;<span>//</span><span>将优惠码赋值给数组</span>
<span>                        
                }
    
            } </span><span>else</span><span> {
                </span><span>$j</span>--<span>;
            }
        }
    
        </span><span>return</span> <span>$promotion_codes</span><span>;
    }</span>

 上述方法可以直接拷贝使用

 

 下面列出个人优惠券激活码的数据表设计，各位看官感觉是否有用

SET FOREIGN_KEY_CHECKS=0;

-- ----------------------------
-- Table structure for `vip_card`
-- ----------------------------
DROP TABLE IF EXISTS `vip_card`;
CREATE TABLE `vip_card` (
  `id` int(11) NOT NULL,
  `code` char(10) DEFAULT '' COMMENT '激活码',
  `bid` int(11) DEFAULT '0' COMMENT '购买人',
  `uid` int(11) DEFAULT '0' COMMENT '使用人',
  `dlength` int(11) DEFAULT '0' COMMENT '时长',
  `act_date` date DEFAULT '0000-00-00' COMMENT '激活时间',
  `end_date` date DEFAULT '0000-00-00' COMMENT '结束时间',
  `exp_date` date DEFAULT '0000-00-00' COMMENT '过期时间[如果送激活码的话,使用这个字段,过期多少天不可激活]',
  `localcity` int(11) DEFAULT '0' COMMENT '城市code',
  `create_time` datetime DEFAULT '0000-00-00 00:00:00' COMMENT '创建时间',
  `is_use` int(5) DEFAULT NULL COMMENT '是否已经使用  0未使用  1已使用',
  PRIMARY KEY (`id`),
  KEY `index_code` (`code`) USING BTREE
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='激活码';

-- ----------------------------
-- Records of vip_card
-- ----------------------------