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Beautiful PHP verification code class

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

Instructions for use:

  1. $_page = new Page($_total,$_pagesize); //Where $_total is the total number of items in the data set, $_pagesize is the number displayed on each page.
  2. ?>
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Verification code, PHP


Related labels：
漂亮的 PHP 验证码类
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