注册Model类

<?php
/****
燕十八 公益PHP讲堂论 坛: http://www.zixue.it
微 博: http://weibo.com/Yshiba
YY频道: 88354001
****/defined('ACC')||exit('Acc Deined');class UserModel extends Model {
protected $table = 'user';
protected $pk = 'user_id';
protected $_valid=array(
array('username',1,'用户名必须存在','require'),
array('username',0,'用户名必须在4-16字符内','length','4,16'),
array('email',1,'email非法','require'),
array('passwd',1,'passwd不能为空','require')
);
protected $_auto=array(
array('regtime','function','time'),
);
//自动填充
public function _autoFill($data){
foreach($this->_auto as $k=>$v){
if(!array_key_exists($v[0],$data)){
switch ($v[1]){
case 'value':
$data[$v[0]]=$v[2];
break;
case 'function':
$data[$v[0]]=call_user_func($v[2]);
break;
}
}
}
return $data;
}
/*
用户注册
*/
public function reg($data) {
if($data['passwd']) {
$data['passwd'] = $this->encPasswd($data['passwd']);
} return $this->add($data);
} protected function encPasswd($p) {
return md5($p);
} /*
根据用户名查询用户信息
*/
public function checkUser($username) {
$sql = 'select count(*) from ' . $this->table . " where username='" .$username . "'";
return $this->db->getOne($sql);
}}

/*
格式 $this->_valid = array(
array('验证的字段名',0/1/2(验证场景),'报错提示','require/in(某几种情况)/between(范围)/length(某个范围)','参数')
); array('goods_name',1,'必须有商品名','requird'),
array('cat_id',1,'栏目id必须是整型值','number'),
array('is_new',0,'in_new只能是0或1','in','0,1')
array('goods_breif',2,'商品简介就在10到100字符','length','10,100') */
public function _validate($data) {
if(empty($this->_valid)) {
return true;
} $this->error = array(); foreach($this->_valid as $k=>$v) {
switch($v[1]) {
case 1:
if(!isset($data[$v[0]])) {
$this->error[] = $v[2];
return false;
} if(!$this->check($data[$v[0]],$v[3])) {
$this->error[] = $v[2];
return false;
}
break;
case 0:
if(isset($data[$v[0]])) {
if(!$this->check($data[$v[0]],$v[3],$v[4])) {
$this->error[] = $v[2];
return false;
}
}
break;
case 2:
if(isset($data[$v[0]]) && !empty($data[$v[0]])) {
if(!$this->check($data[$v[0]],$v[3],$v[4])) {
$this->error[] = $v[2];
return false;
}
}
}
} return true; }
public function getErr(){
return $this->error;
} protected function check($value,$rule='',$parm='') {
switch($rule) {
case 'require':
return !empty($value); case 'number':
return is_numeric($value); case 'in':
$tmp = explode(',',$parm);
return in_array($value,$tmp);
case 'between':
list($min,$max) = explode(',',$parm);
return $value >= $min && $value <= $max;
case 'length':
list($min,$max) = explode(',',$parm);
return strlen($value) >= $min && strlen($value) <= $max;
case 'email':
// 判断$value是否是email,可以用正则表达式,但现在没学.
// 因此,此处用系统函数来判断
return (filter_var($value,FILTER_VALIDATE_EMAIL) !== false);
default:
return false;
}
}

<?php
/****
燕十八 公益PHP讲堂论 坛: http://www.zixue.it
微 博: http://weibo.com/Yshiba
YY频道: 88354001
****//***
regAct.php
作用:接收用户注册的表单信息,完成注册
***///print_r($_POST);define('ACC',true);
require('./include/init.php');
//print_r($_POST);
$user=new UserModel();
$data=$user->_facade($_POST);
$data=$user->_autoFill($data);if(!$user->_validate($_POST)) { // 自动检验
$msg = implode('<br />',$user->getErr());
include(ROOT . 'view/front/msg.html');
exit;
}// 检验用户名是否已存在
if($user->checkUser($_POST['username'])) {
$msg = '用户名已存在';
include(ROOT . 'view/front/msg.html');
exit;
}if($user->add($data)){
echo '注册成功';
echo "<a href='./zhuce.php'>返回登录</a>";
}else{
echo '注册失败';
}?>