thinkPHP分页功能实例详解

<?php
/**
 * InterFaceService
 * @author yhd
 */
namespace Red;
interface ServiceInterFace {
  /**
   * 实例化当前类
   */
  public static function getInstance();
}

<?php
/**
 * 静态服务类
 * StaticService
 * @author yhd
 */
namespace Red;
class StaticService{
  protected static $data;
  /**
   * 设置静态数据
   * @param string $key key
   * @param mixed $data data
   * @return mixed
   */
  public static function setData($key,$data){
    self::$data[$key] = $data;
    return self::$data[$key];
  }
  /**
   * 通过引用使用静态数据
   * @param string $key key
   * @return mixed
   */
  public static function & getData($key){
    if(!isset(self::$data[$key])){
      self::$data[$key] = null;
    }
    return self::$data[$key];
  }
  /**
   * 缓存实例化过的对象
   * @param string $name 类名
   * @return 对象
   */
  public static function getInstance($name){
    $key = 'service_@_'.$name;
    $model = &self::getData($key);
    if($model === null){
      $model = new $name();
    }
    return $model;
  }
  /**
   * html转义过滤
   * @param mixed $input 输入
   * @return mixed
   */
  public static function htmlFilter($input){
    if(is_array($input)) {
      foreach($input as & $row) {
        $row = self::htmlFilter($row);
      }
    } else {
      if(!get_magic_quotes_gpc()) {
        $input = addslashes($input);
      }
      $input = htmlspecialchars($input);
    }
    return $input;
  }
}

<?php
/**
* 抽象商品管理类
* AbProduct.class.php
* @lastmodify 2015-8-17
* @author yhd
*/
namespace Red\Product;
abstract class AbProduct{
  public $errorNum;
  /*
  *返回错误信息
  *@param $errorNum 错误代码
  */
  public function GetStatus(){
    $errorNum = $this->errorNum;
    switch($errorNum){
        case 0:
            $data['status'] = 0;
            $data['message'] = '收藏成功';
            break;
        case 1:
            $data['status'] = 1;
            $data['message'] = '收藏失败';
            break;
        case 2:
            $data['status'] = 2;
            $data['message'] = '已收藏';
            break;
        case 3:
            $data['status'] = 3;
            $data['message'] = '未登陆';
            break;
        case 4:
            $data['status'] = 4;
            $data['message'] = '缺少参数';
            break;
        default:
            $data['status'] = 200;
            $data['message'] = '未知错误';
    }
    return $data;
  }

<?php
/**
* 会员模型
* MemberModel.class.php
* @copyright (C) 2014-2015 red
* @license http://www.red.com/
* @lastmodify 2015-8-17
* @author yhd
*/
namespace Red\Passport\Models;
use Think\Model;
use Red\ServiceInterFace;
use Red\StaticService;
class MemberModel extends Model implements ServiceInterFace{
  protected $userId;
  protected $error;
  protected function _initialize(){
    $this->userId = getUserInfo(0);
  }
   /**
   * 实例化本类
   * @return MemberModel
   */
  public static function getInstance() {
    return StaticService::getInstance(__CLASS__);
  }
   /**
   *  获取登录用户信息
   * @param string  $data 查询条件
   * @return array
   */
  public function getUser($data = '') {
    if(empty($data)){
      return $this->where("id=".$this->userId)->find();
    }else{
      return $this->field($data)->where("id=".$this->userId)->find();
    }
  }
  /**
   * 修改用户信息
   * @param array $data
   * @param array $where 查询条件
   */
  public function editUserInfo($data, $where = '') {
    if( $this->_before_check($data) === false ){
      return $this->error['msg'];
    }
    if(!empty($where) && is_array($where)){
      $condition[ $where[0] ] = array('eq', $where[1]);
      return $this->where($condition)->save($data);
    }
    return $this->where("id=".$this->userId)->save($data);
  }
  /**
   * 获取用户信息
   * @param string $data 用户名
   * return array()
   */
  public function checkUserInfo($str, $field = ''){
    //注册类型
    $info = CheckType($str);
    $condition[$info] = array('eq',$str);
    if(!empty($field)){
      return $this->field($field)->where($condition)->find();
    }
    return $this->where($condition)->find();
  }
  /**
   * 获取用户信息
   * @param array $data 用户名
   * return array()
   */
  public function getAccount($data){
    //注册类型
    $info = CheckType($data);
    $condition['id'] = array('eq',$this->userId);
    $condition[$info] = array('eq',$data);
    return $this->where($condition)->find();
  }
  /**
   * 修改用户密码
   * @param array $data['id']用户ID
   * @param $data['passWord']用户密码
   * return true or false
   */
  public function upUserPassById($data){
    $condition['id'] = array('eq',$data['id']);
    $status = $this->where($condition)->save(array("password"=>md5($data['password'])));
    if($status){
        return TRUE;
    }else {
        return FALSE;
    }
  }
  /**
   * 校验用户的账号或者密码是否正确
   * @param $data['username'] 用户名
   * @param $data['password'] 密码
   * return true or false
   */
  public function checkUserPasswd($data= array()){
      $type = CheckType($data['username']);
      $condition[$type] = array('eq',$data['username']);
      $condition['password'] = array('eq',md5($data['password']));
       return $this->where($condition)->find();
  }
  /**
   * 网页登录校验token
   * @param token string
   * return bool
   */
  public function checkToken($token){
      return $this->autoCheckToken($token);
  }
  /**
   * 后台封号/解封
   * param int $user_id
   */
  public function changeStatus($data){
    if($this->save($data)){
      return true;
    }else{
      return false;
    }
  }
  protected function _before_check(&$data){
    if(isset($data['username']) && empty($data['username'])){
      $this->error['msg'] = '请输入用户名';
      return false;
    }
    if(isset($data['nickname']) && empty($data['nickname'])){
      $this->error['msg'] = '请输入昵称';
      return false;
    }
    if(isset($data['realname']) && empty($data['realname'])){
      $this->error['msg'] = '请输入真名';
      return false;
    }
    if(isset($data['email']) && empty($data['email'])){
      $this->error['msg'] = '请输入邮箱';
      return false;
    }
    if(isset($data['mobile']) && empty($data['mobile'])){
      $this->error['msg'] = '请输入手机号码';
      return false;
    }
    if(isset($data['password']) && empty($data['password'])){
      $this->error['msg'] = '请输入密码';
      return false;
    }
    if(isset($data['headimg']) && empty($data['headimg'])){
      $this->error['msg'] = '请上传头像';
      return false;
    }
    return true;
  }
}