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;  }}

<?php/*** 商品模型* ProductModel.class.php* @lastmodify 2015-8-17* @author yhd*/namespace Red/Product/Models;use Think/Model;use Red/ServiceInterFace;use Red/StaticService;class ProductModel extends Model implements ServiceInterFace{  /**   * 实例化本类   * @return ProductModel   */  public static function getInstance() {    return StaticService::getInstance(__CLASS__);  }  /**   * 单个商品   * @param string $id   * @param integer $status 状态 1:有效 2:无效   * @param integer $onsale 是否上架 1:是 2:否   * @return array 一维数组   */  public function getProOne($id, $status = 1 , $onsale = 1){    $condition['onsale'] = array('eq', $onsale); //是否上架    $condition['status'] = array('eq', $status); //状态    $condition['id'] = array('eq',$id);    return $this->where($condition)->find();  }  /**   * 商品列表   * @param string $limit 查询条数   * @param array $data 查询条件   * @return array 二维数组   */  public function getProList($data = ''){    $condition['onsale'] = array('eq', $data['onsale']); //是否上架    $condition['status'] = array('eq', $data['status']); //状态    $condition['type'] = array('eq', $data['type']);  //分类    if(isset($data['limit']) && isset($data['order']) ){      $return =$this->where($condition)->limit($data['limit'])->order($data['order'])->select();    }else{      $return =$this->where($condition)->select();    }    return $return;  }  /**   * 添加商品   * @param array $data   * @return int   */  public function addProduct($data){    return $this->add($data);  }  /**   * 删除商品   *   */  public function delProduct($id){    $condition['id'] = array('eq', $id);    return $this->where($condition)->delete();  }  /**   * 修改商品   * @param string|int $id   * @param array $data   * @return   */  public function editProdcut($id, $data){    $condition['id'] = array('eq', $id);    return $this->where($condition)->save($data);  }  public function getProductInfo($product){    if(empty($product) || !isset($product['product_id'])){      return array();    }    $info = $this->getProOne($product['product_id']);    $product['name'] = $info['name'];    $product['store_id'] = $info['store_id'];    $product['price'] = $info['price'];    $product['m_price'] = $info['m_price'];    return $product;  }}

<?php　　namespace User/Controller;　　use Red/Product/ProductManage;　　class FavoriteController extends AuthController {　　public function index($page=1){　　　　$limit=1;　　　　$list = ProductManage::getInstance()->getCollectList($page,$limit);　　　　$showpage = create_pager_html($list['total'],$page,$limit);　　　　$this->assign(get_defined_vars());　　　　$this->display();　　}　　public function cancelCollect(){　　　　$ids = field('ids');　　　　$return = ProductManage::getInstance()->cancelProductCollect($ids);　　　　exit(json_encode($return));　　}}

<?php/** * 分页 * @param $total 总条数 * @param $page 第几页 * @param $perpage 每页条数 * @param $url 链接地址 * @param $maxpage 最大页码 * @return string 最多页数*/function create_pager_html($total, $page = 1, $perpage = 20, $url = '', $maxpage = null) {  $totalcount = $total;  if (empty($url) || !is_string($url)) {    $url = array();    foreach ($_GET as $k => $v) {      if ($k != 'page') {        $url[] = urlencode($k) . '=' . urlencode($v);      }    }    $url[] = 'page={page}';    $url = '?' . implode('&', $url);  }  if ($total <= $perpage)    return '';  $total = ceil($total / $perpage);  $pagecount = $total;  $total = ($maxpage && $total > $maxpage) ? $maxpage : $total;  $page = intval($page);  if ($page < 1 || $page > $total)    $page = 1;    $pages = '<div class="pages"><a href="' . str_replace('{page}', $page - 1 <= 0 ? 1 : $page - 1, $url) . '" rel="external nofollow"  if ($page > 4 && $page <= $total - 4) {    $mini = $page - 3;    $maxi = $page + 2;  } elseif ($page <= 4) {    $mini = 2;    $maxi = $total - 2 < 7 ? $total - 2 : 7;  } elseif ($page > $total - 4) {    $mini = $total - 7 < 3 ? 2 : $total - 7;    $maxi = $total - 2;  }  for ($i = 1; $i <= $total; $i++) {    if ($i != $page) {      $pages .= '<a class="page-num" href="' . str_replace('{page}', $i, $url) . '" rel="external nofollow" >' . $i . '</a>';    } else {      $pages .= '<span class="page_cur">' . $i . '</span>';    }    if ($maxi && $i >= $maxi) {      $i = $total - 2;      $maxi = 0;    }    if (($i == 2 or $total - 2 == $i) && $total > 10) {      $pages .= '';    }    if ($mini && $i >= 2) {      $i = $mini;      $mini = 0;    }  }  $pages .= '<a href="' . str_replace('{page}', $page + 1 >= $total ? $total : $page + 1, $url) . '" rel="external nofollow"      '条 </span><input type="text" class="pages_inp" id="pageno" value="' . $page . '" onkeydown="if(event.keyCode==13 && this.value) {window.location.href=/'' . $url . '/'.replace(//{page/}/, this.value);return false;}"><span class="page-sum">/ ' .      $total . '页 </span><input type="button" class="pages_btn" value="GO" onclick="if(document.getElementById(/'pageno/').value>0)window.location.href=/'' . $url . '/'.replace(//{page/}/, document.getElementById(/'pageno/').value);"></span></div>';  return $pages;}