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PHP paging class source code and calling example

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Release： 2016-07-25 08:52:36
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  2. class Page {
  3. private $total; //Total records
  4. private $pagesize;//How many records are displayed on each page?
  5. private $limit; //limit
  6. private $page; //Current Page number
  7. private $pagenum; //Total page number
  8. private $url; //Address
  9. private $bothnum; //The amount of digital paging kept on both sides
  11. //Constructor method initialization
  12. public function __construct($_total, $_pagesize) {
  13. $this->total = $_total ? $_total : 1;
  14. $this->pagesize = $_pagesize;
  15. $this->pagenum = ceil($this->total / $this->pagesize );
  16. $this->page = $this->setPage();
  17. $this->limit = "LIMIT ".($this->page-1)*$this->pagesize." ,$this->pagesize";
  18. $this->url = $this->setUrl();
  19. $this->bothnum = 2;
  20. }
  22. //Interceptor
  23. private function __get($ _key) {
  24. return $this->$_key;
  25. }
  27. //Get the current page number
  28. private function setPage() {
  29. if (!empty($_GET['page'])) {
  30. if ($_GET ['page'] > 0) {
  31. if ($_GET['page'] > $this->pagenum) {
  32. return $this->pagenum;
  33. } else {
  34. return $_GET['page '];
  35. }
  36. } else {
  37. return 1;
  38. }
  39. } else {
  40. return 1;
  41. }
  42. }
  44. //Get address
  45. private function setUrl() {
  46. $_url = $_SERVER["REQUEST_URI" ];
  47. $_par = parse_url($_url);
  48. if (isset($_par['query'])) {
  49. parse_str($_par['query'],$_query);
  50. unset($_query['page ']);
  51. $_url = $_par['path'].'?'.http_build_query($_query);
  52. }
  53. return $_url;
  54. } //Digital directory
  55. private function pageList() {
  56. for ($ i=$this->bothnum;$i>=1;$i--) {
  57. $_page = $this->page-$i;
  58. if ($_page < 1) continue;
  59. $_pagelist . = ' '.$_page.' ';
  60. }
  61. $_pagelist .= ' '.$this->page.' ';
  62. for ($i=1;$i<=$this->bothnum;$i++) {
  63. $_page = $this->page+$i;
  64. if ($_page > $this->pagenum) break;
  65. $_pagelist .= ' '.$_page.' ';
  66. }
  67. return $_pagelist;
  68. }
  70. //Homepage
  71. private function first() {
  72. if ($ this->page > $this->bothnum+1) {
  73. return ' 1 ...';
  74. }
  75. }
  77. //Previous page
  78. private function prev() {
  79. if ($this->page == 1) {
  80. return 'Previous page';
  81. }
  82. return ' Previous page ';
  83. }
  85. //Next page
  86. private function next() {
  87. if ($this->page == $this->pagenum) {
  88. return 'Next page';
  89. }
  90. return ' Next page ';
  91. }
  93. //Last page
  94. private function last() {
  95. if ($this->pagenum - $this->page > $this-> bothnum) {
  96. return ' ...'.$this->pagenum.' ';
  97. }
  98. }
  100. //Paging information
  101. public function showpage() {
  102. $_page .= $this->first();
  103. $_page .= $this->pageList( );
  104. $_page .= $this->last();
  105. $_page .= $this->prev();
  106. $_page .= $this->next();
  107. return $_page;
  108. }
  109. }
  110. ?>
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2, paging class call:

  2. $_page = new Page($_total,$_pagesize); //$_total is the total number of items in the data set, $_pagesize is the number displayed on each page.
  3. ?>
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Related labels：
php分页类源码与调用示例
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