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php分页类代码,支持多样式可设置分页方式

时间：2021-07-01 10:21:17 帮助过：27人阅读

  3. class Page {

  4. private $total;//总数量
  5. private $limit;//返回mysql的limit语句
  6. private $pageStart;//开始的数值
  7. private $pageStop;//结束的数值
  8. private $pageNumber;//显示分页数字的数量
  9. private $page;//当前页
  10. private $pageSize;//每页显示的数量
  11. private $pageToatl;//分页的总数量
  12. private $pageParam;//分页变量
  13. private $uri;//URL参数
  14. /**
  15. * 分页设置样式 不区分大小写
  16. * %pageToatl% //总页数
  17. * %page%//当前页
  18. * %pageSize% //当前页显示数据条数
  19. * %pageStart%//本页起始条数
  20. * %pageStop%//本页结束条数
  21. * %total%//总数据条数
  22. * %first%//首页
  23. * %ending%//尾页
  24. * %up%//上一页
  25. * %down%//下一页
  26. * %F%//起始页
  27. * %E%//结束页
  28. * %omitFA%//前省略加跳转
  29. * %omitEA%//后省略加跳转
  30. * %omitF%//前省略
  31. * %omitE%//后省略
  32. * %numberF%//固定数量的数字分页
  33. * %numberD%//左右对等的数字分页
  34. * %input%//跳转输入框
  35. * %GoTo%//跳转按钮
  36. */ bbs.it-home.org
  37. private $pageType = '第%page%页/共%pageToatl%页%first%%up%%F%%omitFA%%numberF%%omitEA%%E%%down%%ending%';
  38. //显示值设置
  39. private $pageShow = array('first'=>'首页','ending'=>'尾页','up'=>'上一页','down'=>'下一页','GoTo'=>'GO');

  40. /**

  41. * 初始化数据,构造方法
  42. * @access public
  43. * @param int $total 数据总数量
  44. * @param int $pageSize 每页显示条数
  45. * @param int $pageNumber 分页数字显示数量(使用%numberF%和使用%numberD%会有不同的效果)
  46. * @param string $pageParam分页变量
  47. * @return void
  48. */
  49. public function __construct($total,$pageSize=10,$pageNumber=5,$pageParam='p'){
  50. $this->total = $total<0?0:$total;
  51. $this->pageSize = $pageSize<0?0:$pageSize;
  52. $this->pageNumber = $pageNumber<0?0:$pageNumber;
  53. $this->pageParam = $pageParam;
  54. $this->calculate();
  55. }

  56. /**

  57. * 显示分页
  58. * @access public
  59. * @return string HTML分页字符串
  60. */
  61. public function pageShow(){
  62. $this->uri();
  63. if($this->pageToatl>1){
  64. if($this->page == 1){
  65. $first = ''.$this->pageShow['first'].'';
  66. $up = ''.$this->pageShow['up'].'';
  67. }else{
  68. $first = 'uri.'&'.$this->pageParam.'=1">'.$this->pageShow['first'].'';
  69. $up = 'uri.'&'.$this->pageParam.'='.($this->page-1).'">'.$this->pageShow['up'].'';
  70. }
  71. if($this->page >= $this->pageToatl){
  72. $ending = ''.$this->pageShow['ending'].'';
  73. $down = ''.$this->pageShow['down'].'';
  74. }else{
  75. $ending = 'uri.'&'.$this->pageParam.'='.$this->pageToatl.'">'.$this->pageShow['ending'].'';
  76. $down = 'uri.'&'.$this->pageParam.'='.($this->page+1).'">'.$this->pageShow['down'].'';
  77. }
  78. $input = '';
  79. $GoTo = '';
  80. }else{
  81. $first = '';$up ='';$ending = '';$down = '';$input = '';$GoTo = '';
  82. }
  83. $this->numberF();
  84. return str_ireplace(array('%pageToatl%','%page%','%pageSize%','%pageStart%','%pageStop%','%total%','%first%','%ending%','%up%','%down%','%input%','%GoTo%'),array($this->pageToatl,$this->page,$this->pageStop-$this->pageStart,$this->pageStart,$this->pageStop,$this->total,$first,$ending,$up,$down,$input,$GoTo),$this->pageType);
  85. }

  86. /**

  87. *数字分页
  88. */
  89. private function numberF(){
  90. $pageF = stripos($this->pageType,'%numberF%');
  91. $pageD = stripos($this->pageType,'%numberD%');
  92. $numberF = '';$numberD = '';$F = '';$E ='';$omitF = '';$omitFA = '';$omitE = '';$omitEA = '';
  93. if($pageF!==false || $pageD!==false){
  94. if($pageF!==false){
  95. $number = $this->pageNumber%2==0?$this->pageNumber/2:($this->pageNumber+1)/2;
  96. $DStart = $this->page - $number<0?$this->page - $number-1:0;
  97. if($this->page+$number-$DStart > $this->pageToatl){
  98. $DStop = ($this->page+$number-$DStart) - $this->pageToatl;
  99. $forStop = $this->pageToatl+1;
  100. }else{
  101. $DStop = 0;
  102. $forStop = $this->page+$number-$DStart+1;
  103. }
  104. $forStart = $this->page-$number-$DStop<1?1:$this->page-$number-$DStop;
  105. for($i=$forStart;$i<$forStop;++$i){
  106. if($i==$this->page){
  107. $numberF .= ''.$i.'';
  108. }else{
  109. $numberF .= 'uri.'&'.$this->pageParam.'='.$i.'">'.$i.'';
  110. }
  111. }
  112. }
  113. if($pageD!==false){
  114. $number = $this->pageNumber;
  115. $forStart = $this->page-$number>0?$this->page-$number:1;
  116. $forStop = $this->page+$number>$this->pageToatl?$this->pageToatl+1:$this->page+$number+1;
  117. for($i=$forStart;$i<$this->page;++$i){
  118. $numberD .= 'uri.'&'.$this->pageParam.'='.$i.'">'.$i.'';
  119. }
  120. $numberD .= ''.$this->page.'';
  121. $start = $this->page+1;
  122. for($i=$start;$i<$forStop;++$i){
  123. $numberD .= 'uri.'&'.$this->pageParam.'='.$i.'">'.$i.'';
  124. }
  125. }
  126. $F = $forStart>1?'uri.'&'.$this->pageParam.'=1">1':'';
  127. $E = $forStop<$this->pageToatl+1?'uri.'&'.$this->pageParam.'='.$this->pageToatl.'">'.$this->pageToatl.'':'';
  128. if($forStart>2){
  129. $omitF = '…';
  130. $startA = $this->page-$number<1?1:$this->page-$number;
  131. $omitFA = 'uri.'&'.$this->pageParam.'='.$startA.'">…';
  132. }
  133. if($forStop<$this->pageToatl){
  134. $omitE = '…';
  135. $stopA = $this->page+$number>$this->pageToatl?$this->pageToatl:$this->page+$number;
  136. $omitEA = 'uri.'&'.$this->pageParam.'='.$stopA.'">…';
  137. }
  138. }
  139. $this->pageType = str_ireplace(array('%F%','%E%','%omitFA%','%omitEA%','%omitF%','%omitE%','%numberF%','%numberD%'),array($F,$E,$omitFA,$omitEA,$omitF,$omitE,$numberF,$numberD),$this->pageType);
  140. }

  141. /**

  142. *处理url的方法
  143. * @access public
  144. * @param array $url 保持URL直对关系数组
  145. * @return string 过滤后的url尾参数
  146. */
  147. private function uri(){
  148. $url = $_SERVER["REQUEST_URI"];
  149. $par = parse_url($url);
  150. if (isset($par['query'])) {
  151. parse_str($par['query'],$query);
  152. if(!is_array($this->uri)){
  153. $this->uri = array();
  154. }
  155. array_merge($query,$this->uri);
  156. unset($query[$this->pageParam]);
  157. while($key = array_search('',$query)){
  158. unset($query[$key]);
  159. }
  160. $this->uri = $par['path'].'?'.http_build_query($query);
  161. }else{
  162. $this->uri = $par['path'].'?';
  163. }
  164. }

  165. /**

  166. * 设置limit方法及计算起始条数和结束条数
  167. */
  168. private function calculate(){
  169. $this->pageToatl = ceil($this->total/$this->pageSize);
  170. $this->page = intval($_GET[$this->pageParam]);
  171. $this->page = $this->page>=1?$this->page>$this->pageToatl?$this->pageToatl:$this->page:1;
  172. $this->pageStart = ($this->page-1)*$this->pageSize;
  173. $this->pageStop = $this->pageStart+$this->pageSize;
  174. $this->pageStop = $this->pageStop>$this->total?$this->total:$this->pageStop;
  175. $this->limit = $this->pageStart.','.$this->pageStop;
  176. }

  177. /**

  178. * 设置过滤器
  179. */
  180. public function __set($name,$value){
  181. switch($name){
  182. case 'pageType':
  183. case 'uri':
  184. $this->$name = $value;
  185. return;
  186. case 'pageShow':
  187. if(is_array($value)){
  188. $this->pageShow = array_merge($this->pageShow,$value);
  189. }
  190. return;
  191. }
  192. }

  193. /**

  194. * 取值过滤器
  195. */
  196. public function __get($name){
  197. switch($name){
  198. case 'limit':
  199. case 'pageStart':
  200. case 'pageStop':
  201. return $this->$name;
  202. default:
  203. return;
  204. }
  205. }
  206. }

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