• php分页类 (来源网络)


      1 <?php
      2 namespace publicBundleController;
      3 
      4 use SymfonyBundleFrameworkBundleControllerController;
      5 use SensioBundleFrameworkExtraBundleConfigurationRoute;
      6 
      7 /**
      8  * @author  gf
      9  * 分页封装
     10  * Class PageLinkControoler
     11  * @package publicBundleController;
     12  */
     13 class PageLinkControoler
     14 {
     15     var $page_max = 10; //一组页码的最大数
     16 
     17     var $page_num = 10; //总页数
     18     var $length = 20; //一页的数据条数
     19 
     20     var $isNextPage = true;
     21     var $isFirstPage = false;
     22 
     23     function Calculation_Page_Num( $total )
     24     {
     25         $this->page_num = ceil( $total / $this->length );
     26         return $this->page_num;
     27     }
     28 
     29     function Calculation_Min_Max( $act_page = 1 )
     30     {
     31         // 定义左右偏移量
     32         $py_left = 0;
     33         $py_right = 0;
     34         // 定义左右边界
     35         $bj_left = 0;
     36         $bj_right = 0;
     37         // 定义滚动区间边界
     38         $gd_left = 0;
     39         $gd_right = 0;
     40         // 判断是否需要分组
     41         if ( ( $this->page_num - $this->page_max ) <= 0 )
     42         {
     43             // 不需要分组
     44             $bj_left = 1;
     45             $bj_right = $this->page_num;
     46         }
     47         else
     48         {
     49             // 要进行分组
     50             // 判断容量的奇偶
     51             $tmp = $this->page_max % 2;
     52             if ( $tmp === 1 )
     53             {
     54                 // 奇数
     55                 $py_left = $py_right = ( $this->page_max - 1 ) / 2;
     56             }
     57             else
     58             {
     59                 // 偶数
     60                 $py_left = $this->page_max / 2 - 1;
     61                 $py_right = $this->page_max / 2;
     62             }
     63             // 计算滚动区间
     64             $gd_left = 1 + $py_left;
     65             $gd_right = $this->page_num - $py_right;
     66             // 判断当前页是否落入了滚动区间
     67             if ( $act_page >= $gd_left && $act_page <= $gd_right )
     68             {
     69                 // 区间内
     70                 $bj_left = $act_page - $py_left;
     71                 $bj_right = $act_page + $py_right;
     72             }
     73             else
     74             {
     75                 // 区间外
     76                 if ( ( $act_page - $py_left ) <= 1 )
     77                 {
     78                     // 左侧固定区间
     79                     $bj_left = 1;
     80                     $bj_right = $this->page_max;
     81                 }
     82                 else
     83                 {
     84                     $bj_left = $this->page_num - $this->page_max + 1;
     85                     $bj_right = $this->page_num;
     86                 }
     87             }
     88         }
     89 
     90         $res = array();
     91         $res['min'] = $bj_left;
     92         $res['max'] = $bj_right;
     93 
     94         return $res;
     95 
     96     }
     97     // 主方法
     98     function make_page( $total, $act_page, $url, $param )
     99     {
    100         $page_num = $this->Calculation_Page_Num( $total );
    101         $arr_min_max = $this->Calculation_Min_Max( $act_page );
    102 
    103         if (!eregi("([?|&]$param=)", $url)) {
    104             $url = strpos($url,"?")===false?$url."?":$url."&";
    105             $url = $url."$param=0";
    106         }
    107 
    108         if ( $act_page > $page_num )
    109         {
    110             $act_page = $page_num;
    111         }
    112         // 用正则把url改成正规的
    113         $url = eregi_replace( $param . '=[0-9]+', $param . '=0', $url );
    114 
    115         $res = array();
    116         $d = 0;
    117         for( $i = $arr_min_max['min'];$i <= $arr_min_max['max'];$i++ )
    118         {
    119             if ( $i == $act_page )
    120             {
    121                 $res[$d]['url'] = '';
    122                 $res[$d]['name'] = $i;
    123                 $res[$d]['no'] = $i;
    124             }
    125             else
    126             {
    127                 $res[$d]['url'] = str_replace( $param . '=0', $param . '=' . $i, $url );
    128                 $res[$d]['name'] = $i;
    129                 $res[$d]['no'] = $i;
    130             }
    131             $d++;
    132         }
    133 
    134         if ( $this->isNextPage )
    135         {
    136             $res = $this->make_before_next_link( $res, $act_page, $url, $param );
    137         }
    138         if ( $this->isFirstPage )
    139         {
    140             $res = $this->make_first_end_link( $res, $act_page, $url, $param );
    141         }
    142         return $res;
    143     }
    144     //// 带总页数
    145     function make_page_with_total( $total, $act_page, $url, $param )
    146     {
    147         $page_num = $this->Calculation_Page_Num( $total );
    148         $arr_min_max = $this->Calculation_Min_Max( $act_page );
    149 
    150         if (!eregi("([?|&]$param=)", $url)) {
    151             $url = strpos($url,"?")===false?$url."?":$url."&";
    152             $url = $url."$param=0";
    153         }
    154 
    155         if ( $act_page > $page_num )
    156         {
    157             $act_page = $page_num;
    158         }
    159         // 用正则把url改成正规的
    160         $url = eregi_replace( $param . '=[0-9]+', $param . '=0', $url );
    161 
    162         $res = array();
    163         $d = 0;
    164         for( $i = $arr_min_max['min'];$i <= $arr_min_max['max'];$i++ )
    165         {
    166             if ( $i == $act_page )
    167             {
    168                 $res[$d]['url'] = '';
    169                 $res[$d]['name'] = $i;
    170                 $res[$d]['no'] = $i;
    171             }
    172             else
    173             {
    174                 $res[$d]['url'] = str_replace( $param . '=0', $param . '=' . $i, $url );
    175                 $res[$d]['name'] = $i;
    176                 $res[$d]['no'] = $i;
    177             }
    178             $d++;
    179         }
    180 
    181         if ( $this->isNextPage )
    182         {
    183             $res = $this->make_before_next_link( $res, $act_page, $url, $param );
    184         }
    185         if ( $this->isFirstPage )
    186         {
    187             $res = $this->make_first_end_link( $res, $act_page, $url, $param );
    188         }
    189 
    190         $total_num= ceil($total/$this->length);
    191         $result['total']=$total_num;
    192         $result['DATA']=$res;
    193         return $result;
    194     }
    195 
    196     // 附加上一页和下一页
    197     function make_before_next_link( $arr, $act, $url, $param )
    198     {
    199         $tmp = array();
    200 
    201         $before = $act - 1;
    202         $next = $act + 1;
    203 
    204         if ( $before < 1 )
    205         {
    206             $before = 1;
    207             $tmp[0]['url'] = '';
    208             $tmp[0]['name'] = "上一页";
    209             $tmp[0]['no'] = $before;
    210         }
    211         else
    212         {
    213             $tmp[0]['url'] = str_replace( $param . '=0', $param . '=' . $before, $url );
    214             $tmp[0]['name'] = "上一页";
    215             $tmp[0]['no'] = $before;
    216         }
    217 
    218         $counts = sizeof( $arr );
    219         $tmp_count = sizeof( $tmp );
    220         for( $i = 0;$i < $counts;$i++ )
    221         {
    222             $tmp[$tmp_count]['url'] = $arr[$i]['url'];
    223             $tmp[$tmp_count]['name'] = $arr[$i]['name'];
    224             $tmp[$tmp_count]['no'] = $arr[$i]['no'];
    225             $tmp_count++;
    226         }
    227 
    228         if ( $next > $this->page_num )
    229         {
    230             $next = $this->page_num;
    231             $tmp[$tmp_count]['url'] = '';
    232             $tmp[$tmp_count]['name'] = "下一页";
    233             $tmp[$tmp_count]['no'] = $next;
    234         }
    235         else
    236         {
    237             $tmp[$tmp_count]['url'] = str_replace( $param . '=0', $param . '=' . $next, $url );
    238             $tmp[$tmp_count]['name'] = "下一页";
    239             $tmp[$tmp_count]['no'] = $next;
    240         }
    241 
    242         return $tmp;
    243     }
    244 
    245     // 附加首页和尾页
    246     function make_first_end_link( $arr, $act, $url, $param )
    247     {
    248         $tmp = array();
    249 
    250         $before = 1;
    251         $next = $this->page_num;
    252 
    253         if ( $act == 1 )
    254         {
    255             $before = 1;
    256             $tmp[0]['url'] = '';
    257             $tmp[0]['name'] = "首页";
    258             $tmp[0]['no'] = $before;
    259         }
    260         else
    261         {
    262             $tmp[0]['url'] = str_replace( $param . '=0', $param . '=' . $before, $url );
    263             $tmp[0]['name'] = "首页";
    264             $tmp[0]['no'] = $before;
    265         }
    266 
    267         $counts = sizeof( $arr );
    268         $tmp_count = sizeof( $tmp );
    269         for( $i = 0;$i < $counts;$i++ )
    270         {
    271             $tmp[$tmp_count]['url'] = $arr[$i]['url'];
    272             $tmp[$tmp_count]['name'] = $arr[$i]['name'];
    273             $tmp[$tmp_count]['no'] = $arr[$i]['no'];
    274             $tmp_count++;
    275         }
    276 
    277         if ( $act == $this->page_num )
    278         {
    279             $tmp[$tmp_count]['url'] = '';
    280             $tmp[$tmp_count]['name'] = "尾页";
    281             $tmp[$tmp_count]['no'] = $next;
    282         }
    283         else
    284         {
    285             $tmp[$tmp_count]['url'] = str_replace( $param . '=0', $param . '=' . $next, $url );
    286             $tmp[$tmp_count]['name'] = "尾页";
    287             $tmp[$tmp_count]['no'] = $next;
    288         }
    289 
    290         return $tmp;
    291     }
    292 
    293 
    294     /**
    295      * 带上一页<,下一页>,省略号的分页
    296      * @param int $total        记录总条数
    297      * @param int $act_page        当前页码
    298      * @param string $url        url
    299      * @param int $maxpageicon    最大显示页码数
    300      * @param int $style        上一页,下一页显示样式
    301      * @param string $param        url参数
    302      */
    303     function make_page_with_points( $total,$act_page,$url,$maxpageicon,$style,$param )
    304     {
    305         $page_num = $this->Calculation_Page_Num( $total );        //总页数
    306         $arr_min_max = $this->Calculation_Min_Max( $act_page );        //最大页,最小页
    307         if($total==0)
    308         {
    309             return "";
    310 
    311         }
    312         if( $act_page > $page_num )
    313         {
    314             $act_page = $page_num+1;
    315             $page_num = $page_num+1;
    316         }
    317 
    318         switch ($style){
    319             case 1:
    320                 $name_before = '前一页';
    321                 $name_next = '后一页';
    322                 break;
    323             case 2:
    324                 $name_before = '<';
    325                 $name_next = '>';
    326                 break;
    327             case 3:
    328                 $name_before = '<<';
    329                 $name_next = '>>';
    330                 break;
    331             default:
    332                 $name_before = '上一页';
    333                 $name_next = '下一页';
    334         }
    335 
    336         if (!eregi("([?|&]$param=)", $url)) {
    337             $url = strpos($url,"?")===false?$url."?":$url."&";
    338             $url = $url."$param=0";
    339         }
    340 
    341         // 用正则把url改成正规的
    342         $url = eregi_replace( $param . '=[0-9]+', $param . '=0', $url );
    343         $res = array();
    344         $no_before = $act_page-1;
    345         $no_next = $act_page+1;
    346 
    347         //总页数如果小于等于初始化最大呈现页数
    348         if ($page_num<= ($maxpageicon + 1))
    349         {
    350             //如果当前页数是首页  上一页无效
    351             if ($act_page == 1)
    352             {
    353                 $res[0]['url'] = '';
    354                 $res[0]['name'] = $name_before;
    355                 $res[0]['no'] = $no_before;
    356             }
    357             else            //上一页有效
    358             {
    359                 $res[0]['url'] = str_replace( $param . '=0', $param . '=' .($act_page - 1), $url );
    360                 $res[0]['name'] = $name_before;
    361                 $res[0]['no'] = $no_before;
    362             }
    363             //循环添加页码
    364             $d = 1;
    365             for ($i = 1; $i <= $page_num; $i++)
    366             {
    367                 if ($i != $act_page)
    368                 {
    369                     $res[$d]['url'] = str_replace( $param . '=0', $param . '=' . $i, $url );
    370                     $res[$d]['name'] = $i;
    371                     $res[$d]['no'] = $i;
    372                 }
    373                 else    //当前页,页码
    374                 {
    375                     $res[$d]['url'] = '';
    376                     $res[$d]['name'] = $i;
    377                     $res[$d]['no'] = $i;
    378                     $res[$d]['attr'] = 'current';
    379                 }
    380                 $d++;
    381             }
    382             $last_d = count($res);
    383             //判断尾页
    384             if($act_page == $page_num)    //下一页无效
    385             {
    386                 $res[$last_d]['url'] = '';
    387                 $res[$last_d]['name'] = $name_next;
    388                 $res[$last_d]['no'] = $no_next;
    389             }
    390             else
    391             {
    392                 $res[$last_d]['url'] = str_replace( $param . '=0', $param . '=' .($act_page + 1), $url );
    393                 $res[$last_d]['name'] = $name_next;
    394                 $res[$last_d]['no'] = $no_next;
    395             }
    396         }else if ($page_num > ($maxpageicon + 1))//如果总页数满足添加省略号
    397         {
    398             if ($act_page <= $maxpageicon) //如果当前页小于等于初始化数目
    399             {
    400                 //如果当前页数是首页  上一页无效
    401                 if ($act_page == 1)
    402                 {
    403                     $res[0]['url'] = '';
    404                     $res[0]['name'] = $name_before;
    405                     $res[0]['no'] = $no_before;
    406                 }
    407                 else            //上一页有效
    408                 {
    409                     $res[0]['url'] = str_replace( $param . '=0', $param . '=' .($act_page - 1), $url );
    410                     $res[0]['name'] = $name_before;
    411                     $res[0]['no'] = $no_before;
    412                 }
    413                 //循环添加页码
    414                 $d = 1;
    415                 for ($i = 1; $i <= $maxpageicon; $i++)
    416                 {
    417                     if ($i != $act_page)
    418                     {
    419                         $res[$d]['url'] = str_replace( $param . '=0', $param . '=' . $i, $url );
    420                         $res[$d]['name'] = $i;
    421                         $res[$d]['no'] = $i;
    422                     }
    423                     else    //当前页,页码
    424                     {
    425                         $res[$d]['url'] = '';
    426                         $res[$d]['name'] = $i;
    427                         $res[$d]['no'] = $i;
    428                         $res[$d]['attr'] = 'current';
    429                     }
    430                     $d++;
    431                 }
    432                 $last_d = count($res);
    433                 //添加省略号
    434                 $res[$last_d]['url'] = '';
    435                 $res[$last_d]['name'] = '...';
    436                 $res[$last_d]['no'] = '';
    437                 //总页数
    438                 $res[$last_d+1]['url'] = str_replace( $param . '=0', $param . '=' . $page_num, $url );
    439                 $res[$last_d+1]['name'] = $page_num;
    440                 $res[$last_d+1]['no'] = $page_num;
    441                 //下一页
    442                 $res[$last_d+1]['url'] = str_replace( $param . '=0', $param . '=' . ($act_page + 1), $url );
    443                 $res[$last_d+1]['name'] = $name_next;
    444                 $res[$last_d+1]['no'] = $no_next;
    445             }else//如果当前页大于最大显示页面
    446             {
    447                 if ($act_page > ($page_num - $maxpageicon))//满足后几页
    448                 {
    449                     //上一页
    450                     $res[0]['url'] = str_replace( $param . '=0', $param . '=' .($act_page - 1), $url );
    451                     $res[0]['name'] = $name_before;
    452                     $res[0]['no'] = $no_before;
    453                     //第一页
    454                     $res[1]['url'] = str_replace( $param . '=0', $param . '=1', $url );
    455                     $res[1]['name'] = 1;
    456                     $res[1]['no'] = 1;
    457                     //省略号
    458                     $res[2]['url'] = '';
    459                     $res[2]['name'] = '...';
    460                     $res[2]['no'] = '';
    461                     $d = 3;
    462                     for ($i = ($page_num - $maxpageicon + 1); $i <= $page_num; $i++)
    463                     {
    464                         if ($i != $act_page)
    465                         {
    466                             $res[$d]['url'] = str_replace( $param . '=0', $param . '=' . $i, $url );
    467                             $res[$d]['name'] = $i;
    468                             $res[$d]['no'] = $i;
    469                         }
    470                         else    //当前页,页码
    471                         {
    472                             $res[$d]['url'] = '';
    473                             $res[$d]['name'] = $i;
    474                             $res[$d]['no'] = $i;
    475                             $res[$d]['attr'] = 'current';
    476                         }
    477                         $d++;
    478                     }
    479                     $last_d = count($res);
    480                     //判断尾页
    481                     if($act_page == $page_num)    //下一页无效
    482                     {
    483                         $res[$last_d]['url'] = '';
    484                         $res[$last_d]['name'] = $name_next;
    485                         $res[$last_d]['no'] = $no_next;
    486                     }
    487                     else
    488                     {
    489                         $res[$last_d]['url'] = str_replace( $param . '=0', $param . '=' .($act_page + 1), $url );
    490                         $res[$last_d]['name'] = $name_next;
    491                         $res[$last_d]['no'] = $no_next;
    492                     }
    493 
    494                 }else//满足处在中间
    495                 {
    496                     //上一页
    497                     $res[0]['url'] = str_replace( $param . '=0', $param . '=' .($act_page - 1), $url );
    498                     $res[0]['name'] = $name_before;
    499                     $res[0]['no'] = $no_before;
    500                     //第一页
    501                     $res[1]['url'] = str_replace( $param . '=0', $param . '=1', $url );
    502                     $res[1]['name'] = 1;
    503                     $res[1]['no'] = 1;
    504                     //省略号
    505                     $res[2]['url'] = '';
    506                     $res[2]['name'] = '...';
    507                     $res[2]['no'] = '';
    508                     for ($i = ($act_page - ($maxpageicon - 2) / 2); $i <= floor($act_page+($maxpageicon - 2) / 2); $i++)
    509                     {
    510                         $i = ceil($i);
    511                         if ($i != $act_page)
    512                         {
    513                             $res[$d]['url'] = str_replace( $param . '=0', $param . '=' . $i, $url );
    514                             $res[$d]['name'] = $i;
    515                             $res[$d]['no'] = $i;
    516                         }
    517                         else    //当前页,页码
    518                         {
    519                             $res[$d]['url'] = '';
    520                             $res[$d]['name'] = $i;
    521                             $res[$d]['no'] = $i;
    522                             $res[$d]['attr'] = 'current';
    523                         }
    524                         $d++;
    525                     }
    526                     $last_d = count($res);
    527                     //加省略号
    528                     $res[$last_d]['url'] = '';
    529                     $res[$last_d]['name'] = '...';
    530                     $res[$last_d]['no'] = '';
    531                     //当前页
    532                     $res[$last_d+1]['url'] = str_replace( $param . '=0', $param . '=' . $page_num, $url );
    533                     $res[$last_d+1]['name'] = $page_num;
    534                     $res[$last_d+1]['no'] = $page_num;
    535                     //下一页
    536                     $res[$last_d+2]['url'] = str_replace( $param . '=0', $param . '=' . ($act_page + 1), $url );
    537                     $res[$last_d+2]['name'] = $name_next;
    538                     $res[$last_d+2]['no'] = $no_next;
    539                     //exit;
    540                 }
    541             }
    542         }
    543         return $res;
    544     }
    545 }
    546 
    547 ?>

    操作方法

    $page_no = $_GET['page_no'] ? $_GET['page_no'] : 1;
    $count = 20;
    $start = ($page_no-1)*$count;
    $end = $start + $count;
    $page = new Page_Link();
    $page->length = $count;
    $page->isFirstPage = true;
    $url = $_SERVER['SCRIPT_NAME']."?&a=".$a;
    $page_arr = $page->make_page($total_num,$page_no,$url,"page_no");
    <?php
    namespace publicBundleController;

    use SymfonyBundleFrameworkBundleControllerController;
    use SensioBundleFrameworkExtraBundleConfigurationRoute;

    /**
    * @author gf
    * 分页封装
    * Class PageLinkControoler
    * @package publicBundleController;
    */
    class PageLinkControoler
    {
    var $page_max = 10; //一组页码的最大数

    var $page_num = 10; //总页数
    var $length = 20; //一页的数据条数

    var $isNextPage = true;
    var $isFirstPage = false;

    function Calculation_Page_Num( $total )
    {
    $this->page_num = ceil( $total / $this->length );
    return $this->page_num;
    }

    function Calculation_Min_Max( $act_page = 1 )
    {
    // 定义左右偏移量
    $py_left = 0;
    $py_right = 0;
    // 定义左右边界
    $bj_left = 0;
    $bj_right = 0;
    // 定义滚动区间边界
    $gd_left = 0;
    $gd_right = 0;
    // 判断是否需要分组
    if ( ( $this->page_num - $this->page_max ) <= 0 )
    {
    // 不需要分组
    $bj_left = 1;
    $bj_right = $this->page_num;
    }
    else
    {
    // 要进行分组
    // 判断容量的奇偶
    $tmp = $this->page_max % 2;
    if ( $tmp === 1 )
    {
    // 奇数
    $py_left = $py_right = ( $this->page_max - 1 ) / 2;
    }
    else
    {
    // 偶数
    $py_left = $this->page_max / 2 - 1;
    $py_right = $this->page_max / 2;
    }
    // 计算滚动区间
    $gd_left = 1 + $py_left;
    $gd_right = $this->page_num - $py_right;
    // 判断当前页是否落入了滚动区间
    if ( $act_page >= $gd_left && $act_page <= $gd_right )
    {
    // 区间内
    $bj_left = $act_page - $py_left;
    $bj_right = $act_page + $py_right;
    }
    else
    {
    // 区间外
    if ( ( $act_page - $py_left ) <= 1 )
    {
    // 左侧固定区间
    $bj_left = 1;
    $bj_right = $this->page_max;
    }
    else
    {
    $bj_left = $this->page_num - $this->page_max + 1;
    $bj_right = $this->page_num;
    }
    }
    }

    $res = array();
    $res['min'] = $bj_left;
    $res['max'] = $bj_right;

    return $res;

    }
    // 主方法
    function make_page( $total, $act_page, $url, $param )
    {
    $page_num = $this->Calculation_Page_Num( $total );
    $arr_min_max = $this->Calculation_Min_Max( $act_page );

    if (!eregi("([?|&]$param=)", $url)) {
    $url = strpos($url,"?")===false?$url."?":$url."&";
    $url = $url."$param=0";
    }

    if ( $act_page > $page_num )
    {
    $act_page = $page_num;
    }
    // 用正则把url改成正规的
    $url = eregi_replace( $param . '=[0-9]+', $param . '=0', $url );

    $res = array();
    $d = 0;
    for( $i = $arr_min_max['min'];$i <= $arr_min_max['max'];$i++ )
    {
    if ( $i == $act_page )
    {
    $res[$d]['url'] = '';
    $res[$d]['name'] = $i;
    $res[$d]['no'] = $i;
    }
    else
    {
    $res[$d]['url'] = str_replace( $param . '=0', $param . '=' . $i, $url );
    $res[$d]['name'] = $i;
    $res[$d]['no'] = $i;
    }
    $d++;
    }

    if ( $this->isNextPage )
    {
    $res = $this->make_before_next_link( $res, $act_page, $url, $param );
    }
    if ( $this->isFirstPage )
    {
    $res = $this->make_first_end_link( $res, $act_page, $url, $param );
    }
    return $res;
    }
    //// 带总页数
    function make_page_with_total( $total, $act_page, $url, $param )
    {
    $page_num = $this->Calculation_Page_Num( $total );
    $arr_min_max = $this->Calculation_Min_Max( $act_page );

    if (!eregi("([?|&]$param=)", $url)) {
    $url = strpos($url,"?")===false?$url."?":$url."&";
    $url = $url."$param=0";
    }

    if ( $act_page > $page_num )
    {
    $act_page = $page_num;
    }
    // 用正则把url改成正规的
    $url = eregi_replace( $param . '=[0-9]+', $param . '=0', $url );

    $res = array();
    $d = 0;
    for( $i = $arr_min_max['min'];$i <= $arr_min_max['max'];$i++ )
    {
    if ( $i == $act_page )
    {
    $res[$d]['url'] = '';
    $res[$d]['name'] = $i;
    $res[$d]['no'] = $i;
    }
    else
    {
    $res[$d]['url'] = str_replace( $param . '=0', $param . '=' . $i, $url );
    $res[$d]['name'] = $i;
    $res[$d]['no'] = $i;
    }
    $d++;
    }

    if ( $this->isNextPage )
    {
    $res = $this->make_before_next_link( $res, $act_page, $url, $param );
    }
    if ( $this->isFirstPage )
    {
    $res = $this->make_first_end_link( $res, $act_page, $url, $param );
    }

    $total_num= ceil($total/$this->length);
    $result['total']=$total_num;
    $result['DATA']=$res;
    return $result;
    }

    // 附加上一页和下一页
    function make_before_next_link( $arr, $act, $url, $param )
    {
    $tmp = array();

    $before = $act - 1;
    $next = $act + 1;

    if ( $before < 1 )
    {
    $before = 1;
    $tmp[0]['url'] = '';
    $tmp[0]['name'] = "上一页";
    $tmp[0]['no'] = $before;
    }
    else
    {
    $tmp[0]['url'] = str_replace( $param . '=0', $param . '=' . $before, $url );
    $tmp[0]['name'] = "上一页";
    $tmp[0]['no'] = $before;
    }

    $counts = sizeof( $arr );
    $tmp_count = sizeof( $tmp );
    for( $i = 0;$i < $counts;$i++ )
    {
    $tmp[$tmp_count]['url'] = $arr[$i]['url'];
    $tmp[$tmp_count]['name'] = $arr[$i]['name'];
    $tmp[$tmp_count]['no'] = $arr[$i]['no'];
    $tmp_count++;
    }

    if ( $next > $this->page_num )
    {
    $next = $this->page_num;
    $tmp[$tmp_count]['url'] = '';
    $tmp[$tmp_count]['name'] = "下一页";
    $tmp[$tmp_count]['no'] = $next;
    }
    else
    {
    $tmp[$tmp_count]['url'] = str_replace( $param . '=0', $param . '=' . $next, $url );
    $tmp[$tmp_count]['name'] = "下一页";
    $tmp[$tmp_count]['no'] = $next;
    }

    return $tmp;
    }

    // 附加首页和尾页
    function make_first_end_link( $arr, $act, $url, $param )
    {
    $tmp = array();

    $before = 1;
    $next = $this->page_num;

    if ( $act == 1 )
    {
    $before = 1;
    $tmp[0]['url'] = '';
    $tmp[0]['name'] = "首页";
    $tmp[0]['no'] = $before;
    }
    else
    {
    $tmp[0]['url'] = str_replace( $param . '=0', $param . '=' . $before, $url );
    $tmp[0]['name'] = "首页";
    $tmp[0]['no'] = $before;
    }

    $counts = sizeof( $arr );
    $tmp_count = sizeof( $tmp );
    for( $i = 0;$i < $counts;$i++ )
    {
    $tmp[$tmp_count]['url'] = $arr[$i]['url'];
    $tmp[$tmp_count]['name'] = $arr[$i]['name'];
    $tmp[$tmp_count]['no'] = $arr[$i]['no'];
    $tmp_count++;
    }

    if ( $act == $this->page_num )
    {
    $tmp[$tmp_count]['url'] = '';
    $tmp[$tmp_count]['name'] = "尾页";
    $tmp[$tmp_count]['no'] = $next;
    }
    else
    {
    $tmp[$tmp_count]['url'] = str_replace( $param . '=0', $param . '=' . $next, $url );
    $tmp[$tmp_count]['name'] = "尾页";
    $tmp[$tmp_count]['no'] = $next;
    }

    return $tmp;
    }


    /**
    * 带上一页<,下一页>,省略号的分页
    * @param int $total 记录总条数
    * @param int $act_page 当前页码
    * @param string $url url
    * @param int $maxpageicon 最大显示页码数
    * @param int $style 上一页,下一页显示样式
    * @param string $param url参数
    */
    function make_page_with_points( $total,$act_page,$url,$maxpageicon,$style,$param )
    {
    $page_num = $this->Calculation_Page_Num( $total ); //总页数
    $arr_min_max = $this->Calculation_Min_Max( $act_page ); //最大页,最小页
    if($total==0)
    {
    return "";

    }
    if( $act_page > $page_num )
    {
    $act_page = $page_num+1;
    $page_num = $page_num+1;
    }

    switch ($style){
    case 1:
    $name_before = '前一页';
    $name_next = '后一页';
    break;
    case 2:
    $name_before = '<';
    $name_next = '>';
    break;
    case 3:
    $name_before = '<<';
    $name_next = '>>';
    break;
    default:
    $name_before = '上一页';
    $name_next = '下一页';
    }

    if (!eregi("([?|&]$param=)", $url)) {
    $url = strpos($url,"?")===false?$url."?":$url."&";
    $url = $url."$param=0";
    }

    // 用正则把url改成正规的
    $url = eregi_replace( $param . '=[0-9]+', $param . '=0', $url );
    $res = array();
    $no_before = $act_page-1;
    $no_next = $act_page+1;

    //总页数如果小于等于初始化最大呈现页数
    if ($page_num<= ($maxpageicon + 1))
    {
    //如果当前页数是首页 上一页无效
    if ($act_page == 1)
    {
    $res[0]['url'] = '';
    $res[0]['name'] = $name_before;
    $res[0]['no'] = $no_before;
    }
    else //上一页有效
    {
    $res[0]['url'] = str_replace( $param . '=0', $param . '=' .($act_page - 1), $url );
    $res[0]['name'] = $name_before;
    $res[0]['no'] = $no_before;
    }
    //循环添加页码
    $d = 1;
    for ($i = 1; $i <= $page_num; $i++)
    {
    if ($i != $act_page)
    {
    $res[$d]['url'] = str_replace( $param . '=0', $param . '=' . $i, $url );
    $res[$d]['name'] = $i;
    $res[$d]['no'] = $i;
    }
    else //当前页,页码
    {
    $res[$d]['url'] = '';
    $res[$d]['name'] = $i;
    $res[$d]['no'] = $i;
    $res[$d]['attr'] = 'current';
    }
    $d++;
    }
    $last_d = count($res);
    //判断尾页
    if($act_page == $page_num) //下一页无效
    {
    $res[$last_d]['url'] = '';
    $res[$last_d]['name'] = $name_next;
    $res[$last_d]['no'] = $no_next;
    }
    else
    {
    $res[$last_d]['url'] = str_replace( $param . '=0', $param . '=' .($act_page + 1), $url );
    $res[$last_d]['name'] = $name_next;
    $res[$last_d]['no'] = $no_next;
    }
    }else if ($page_num > ($maxpageicon + 1))//如果总页数满足添加省略号
    {
    if ($act_page <= $maxpageicon) //如果当前页小于等于初始化数目
    {
    //如果当前页数是首页 上一页无效
    if ($act_page == 1)
    {
    $res[0]['url'] = '';
    $res[0]['name'] = $name_before;
    $res[0]['no'] = $no_before;
    }
    else //上一页有效
    {
    $res[0]['url'] = str_replace( $param . '=0', $param . '=' .($act_page - 1), $url );
    $res[0]['name'] = $name_before;
    $res[0]['no'] = $no_before;
    }
    //循环添加页码
    $d = 1;
    for ($i = 1; $i <= $maxpageicon; $i++)
    {
    if ($i != $act_page)
    {
    $res[$d]['url'] = str_replace( $param . '=0', $param . '=' . $i, $url );
    $res[$d]['name'] = $i;
    $res[$d]['no'] = $i;
    }
    else //当前页,页码
    {
    $res[$d]['url'] = '';
    $res[$d]['name'] = $i;
    $res[$d]['no'] = $i;
    $res[$d]['attr'] = 'current';
    }
    $d++;
    }
    $last_d = count($res);
    //添加省略号
    $res[$last_d]['url'] = '';
    $res[$last_d]['name'] = '...';
    $res[$last_d]['no'] = '';
    //总页数
    $res[$last_d+1]['url'] = str_replace( $param . '=0', $param . '=' . $page_num, $url );
    $res[$last_d+1]['name'] = $page_num;
    $res[$last_d+1]['no'] = $page_num;
    //下一页
    $res[$last_d+1]['url'] = str_replace( $param . '=0', $param . '=' . ($act_page + 1), $url );
    $res[$last_d+1]['name'] = $name_next;
    $res[$last_d+1]['no'] = $no_next;
    }else//如果当前页大于最大显示页面
    {
    if ($act_page > ($page_num - $maxpageicon))//满足后几页
    {
    //上一页
    $res[0]['url'] = str_replace( $param . '=0', $param . '=' .($act_page - 1), $url );
    $res[0]['name'] = $name_before;
    $res[0]['no'] = $no_before;
    //第一页
    $res[1]['url'] = str_replace( $param . '=0', $param . '=1', $url );
    $res[1]['name'] = 1;
    $res[1]['no'] = 1;
    //省略号
    $res[2]['url'] = '';
    $res[2]['name'] = '...';
    $res[2]['no'] = '';
    $d = 3;
    for ($i = ($page_num - $maxpageicon + 1); $i <= $page_num; $i++)
    {
    if ($i != $act_page)
    {
    $res[$d]['url'] = str_replace( $param . '=0', $param . '=' . $i, $url );
    $res[$d]['name'] = $i;
    $res[$d]['no'] = $i;
    }
    else //当前页,页码
    {
    $res[$d]['url'] = '';
    $res[$d]['name'] = $i;
    $res[$d]['no'] = $i;
    $res[$d]['attr'] = 'current';
    }
    $d++;
    }
    $last_d = count($res);
    //判断尾页
    if($act_page == $page_num) //下一页无效
    {
    $res[$last_d]['url'] = '';
    $res[$last_d]['name'] = $name_next;
    $res[$last_d]['no'] = $no_next;
    }
    else
    {
    $res[$last_d]['url'] = str_replace( $param . '=0', $param . '=' .($act_page + 1), $url );
    $res[$last_d]['name'] = $name_next;
    $res[$last_d]['no'] = $no_next;
    }

    }else//满足处在中间
    {
    //上一页
    $res[0]['url'] = str_replace( $param . '=0', $param . '=' .($act_page - 1), $url );
    $res[0]['name'] = $name_before;
    $res[0]['no'] = $no_before;
    //第一页
    $res[1]['url'] = str_replace( $param . '=0', $param . '=1', $url );
    $res[1]['name'] = 1;
    $res[1]['no'] = 1;
    //省略号
    $res[2]['url'] = '';
    $res[2]['name'] = '...';
    $res[2]['no'] = '';
    for ($i = ($act_page - ($maxpageicon - 2) / 2); $i <= floor($act_page+($maxpageicon - 2) / 2); $i++)
    {
    $i = ceil($i);
    if ($i != $act_page)
    {
    $res[$d]['url'] = str_replace( $param . '=0', $param . '=' . $i, $url );
    $res[$d]['name'] = $i;
    $res[$d]['no'] = $i;
    }
    else //当前页,页码
    {
    $res[$d]['url'] = '';
    $res[$d]['name'] = $i;
    $res[$d]['no'] = $i;
    $res[$d]['attr'] = 'current';
    }
    $d++;
    }
    $last_d = count($res);
    //加省略号
    $res[$last_d]['url'] = '';
    $res[$last_d]['name'] = '...';
    $res[$last_d]['no'] = '';
    //当前页
    $res[$last_d+1]['url'] = str_replace( $param . '=0', $param . '=' . $page_num, $url );
    $res[$last_d+1]['name'] = $page_num;
    $res[$last_d+1]['no'] = $page_num;
    //下一页
    $res[$last_d+2]['url'] = str_replace( $param . '=0', $param . '=' . ($act_page + 1), $url );
    $res[$last_d+2]['name'] = $name_next;
    $res[$last_d+2]['no'] = $no_next;
    //exit;
    }
    }
    }
    return $res;
    }
    }

    ?>
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  • 原文地址:https://www.cnblogs.com/g825482785/p/page.html
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