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php分页类代码,可自定义参数php分页代码

时间：2021-07-01 10:21:17 帮助过：37人阅读

  3. class PageLink {

  4. /* 分页显示参数设置 */
  5. private $db_table = "";
  6. private $db_table_field = "";//要显示的数据库中的字段
  7. private $condition = ""; //查询条件
  8. private $sort = ""; //排序条件
  9. private $page_size = 0; //每页显示的记录数目
  10. private $link_num = 0; //显示页码链接的数目
  11. private $page = 1; //当前页码
  12. private $records = 0; //表中记录总数
  13. private $page_count = 0; //总页数
  14. private $pagestring = ""; //前后分页链接字符串
  15. private $linkUrl = ""; //当前页面路径
  16. private $urlPara = ""; //当前页面url参数
  17. private $linkUrlNum = 1;
  18. /*
  19. * 自定义分页
  20. */
  21. private $linkFormat = "";

  22. /* 获取的数据 */

  23. private $page_data = "";//从数据库中获取的数据，

  24. //$page_data为二维数组接收

  25. private $dbHelper;

  26. /* 变量定义部分 end */

  27. /* 函数定义(类方法) begin */

  28. function __construct() {include_once 'DBHelper/DBHelper.php';//这是数据库操作类

  29. $this->dbHelper = new DBHelper();
  30. }

  31. /*

  32. * 设置分页信息 begin
  33. * @param $db_table 表
  34. * @param $db_table_field 字段
  35. * @param $condition 條件
  36. * @param $sort 排序
  37. * @param $page_size 顯示條數
  38. * @param $link_num 數字鏈接數
  39. * @param $url 頁面路徑
  40. * @param $para url參數
  41. */
  42. public function set($db_table, $db_table_field, $condition, $sort, $page_size, $link_num, $url, $para) {
  43. $this->db_table = $db_table;//表名
  44. $this->db_table_field = $db_table_field; //字段数组，
  45. $this->condition = $condition; //排序条件
  46. $this->sort = $sort; //排序条件
  47. //将要显示的字段名称
  48. //写入该数组
  49. /* db参数设置 end */

  50. /* 分页参数设置 begin */

  51. $this->page_size = $page_size;//每页显示记录的数目
  52. $this->link_num = $link_num;//显示翻页链接的数目
  53. $this->linkUrl = $url;
  54. $this->urlPara = $para;
  55. /* 分页参数设置 end */
  56. }

  57. /* 设置分页信息 end */

  58. /* 获取分页链接数据 begin */

  59. public function get() {

  60. $page_data[0] = $this->pagestring;
  61. $page_data[1] = $this->page_data;
  62. return $page_data;
  63. }

  64. /* 获取分页链接数据 end */

  65. /* 页码处理 begin */

  66. private function set_page() {

  67. if (isset($_REQUEST["page"])) {
  68. $this->page = intval($_REQUEST["page"]);
  69. } else {
  70. $this->page = 1;
  71. }
  72. }

  73. /* 页码处理 end */

  74. /* 获取db中记录的数目 begin */

  75. private function get_records() {

  76. $this->records = $this->dbHelper->counts($this->db_table, $this->condition);
  77. }

  78. /* 获取db中记录的数目 end */

  79. /* 建立翻页链接字符串 begin */

  80. private function page_link() {

  81. $checkPage = intval($this->page / $this->link_num);
  82. $startPage = 1;
  83. $stopPage = 1;
  84. if($checkPage == 0 && $this->page < $this->link_num){
  85. $startPage = 1;
  86. }
  87. $linkPage = ($this->link_num / 2);
  88. if($this->page > $linkPage){
  89. $startPage = $this->page - $linkPage;
  90. }
  91. if(($startPage+$this->link_num)>$this->page_count){
  92. $startPage = $this->page_count - $this->link_num + 1;
  93. }
  94. if($startPage<1){
  95. $startPage = 1;
  96. }
  97. $stopPage = $startPage+($this->link_num - 1);
  98. if($stopPage> $this->page_count){
  99. $stopPage = $this->page_count;
  100. }
  101. $countStr = "共".$this->records."條記錄";
  102. $currStr = "".$this->page."/".$this->page_count."頁 ";
  103. $beginLink = "linkUrl."?page=1".$this->urlPara."'>首頁";
  104. $preLink = "linkUrl."?page=".($this->page - 1).$this->urlPara."'>上一頁";
  105. $nextLink = "linkUrl."?page=".($this->page + 1).$this->urlPara."'>下一頁";
  106. $noPreLink = "上一頁";
  107. $noNextLink = "下一頁";
  108. $endLink = "linkUrl."?page=".$this->page_count.$this->urlPara."'>尾頁";
  109. if($this->page > ($linkPage + 1) && $this->page_count > $this->link_num){
  110. $currPage .= "linkUrl."?page=1".$this->urlPara."'>1";
  111. }
  112. for($i=$startPage;$i<=$stopPage;$i++){
  113. if($i == $this->page){
  114. $currPage .= "".$i."";
  115. }
  116. else{
  117. $currPage .= "linkUrl."?page=".$i.$this->urlPara."'>".$i."";
  118. }
  119. }
  120. if(($this->page_count - $this->page) > $linkPage && $this->page_count > $this->link_num){
  121. $currPage .= "....$this->linkUrl."?page=".$this->page_count.$this->urlPara."'>".$this->page_count."";
  122. }
  123. $jumpPage .= " ";
  124. $jumpPage .= "linkUrl
  125. ."?page='+document.getElementById('page_text_".$this->linkUrlNum."').value+'".$this->urlPara
  126. ."'\" name='page_submit' value='GO' />";
  127. $this->linkUrlNum++;
  128. if(!empty($this->linkFormat)){
  129. $tempLinkFormat = $this->linkFormat;
  130. $tempLinkFormat = str_replace("總記錄", $countStr, $tempLinkFormat);
  131. $tempLinkFormat = str_replace("頁次", $currStr, $tempLinkFormat);
  132. if($this->page_count > 1){
  133. $tempLinkFormat = str_replace("首頁", $beginLink, $tempLinkFormat);
  134. if($this->page > 1){
  135. $tempLinkFormat = str_replace("上一頁", $preLink, $tempLinkFormat);
  136. }
  137. else{
  138. $tempLinkFormat = str_replace("上一頁", $noPreLink, $tempLinkFormat);
  139. }
  140. if($this->page < $this->page_count){
  141. $tempLinkFormat = str_replace("下一頁", $nextLink, $tempLinkFormat);
  142. }
  143. else{
  144. $tempLinkFormat = str_replace("下一頁", $noNextLink, $tempLinkFormat);
  145. }
  146. $tempLinkFormat = str_replace("尾頁", $endLink, $tempLinkFormat);
  147. $tempLinkFormat = str_replace("分頁", $currPage, $tempLinkFormat);
  148. $tempLinkFormat = str_replace("跳轉", $jumpPage, $tempLinkFormat);
  149. }
  150. else{
  151. $tempLinkFormat = str_replace("首頁", "", $tempLinkFormat);
  152. $tempLinkFormat = str_replace("上一頁", "", $tempLinkFormat);
  153. $tempLinkFormat = str_replace("下一頁", "", $tempLinkFormat);
  154. $tempLinkFormat = str_replace("尾頁", "", $tempLinkFormat);
  155. $tempLinkFormat = str_replace("分頁", "", $tempLinkFormat);
  156. $tempLinkFormat = str_replace("跳轉", "", $tempLinkFormat);
  157. }

  158. }

  159. $this->pagestring.=$countStr." ".$currStr;
  160. if($this->page_count > 1){
  161. $this->pagestring.=$beginLink;
  162. if($this->page > 1){
  163. $this->pagestring.=$preLink;
  164. }
  165. $this->pagestring.=$currPage;
  166. if($this->page < $this->page_count){
  167. $this->pagestring.=$nextLink;
  168. }
  169. $this->pagestring.=$endLink.$jumpPage;
  170. }
  171. }

  172. /* 建立翻页链接字符串 end */

  173. /* 获取数据 begin */

  174. private function fetch_data() {

  175. if ($this->records) {
  176. $limit = ($this->page - 1) * $this->page_size . ",$this->page_size";
  177. $this->page_data = $this->dbHelper->fetch($this->db_table, $this->condition, $this->sort, $limit);
  178. }
  179. }

  180. /* 获取数据 end */

  181. /* 建立分页 begin */

  182. public function create_page() {

  183. $this->set_page();
  184. $this->get_records();
  185. $this->page_count = ceil($this->records / $this->page_size);
  186. $this->page_link();
  187. $this->fetch_data();
  188. }

  189. /* 建立分页 end */

  190. function __destruct() {

  191. }

  192. /* 函数定义(类方法) end */

  193. }
  194. /*
  195. 调用方法
  196. include_once 'PageLink.php';
  197. $pageLink = new PageLink(); //实例化对象
  198. $pageLink->set("table", "*(或字段)", "条件", "排序", "数据条数", "每页链接数", "页面(list.php)", "除?page=1外的其他参数(&id=1&name=test)");//传入参数
  199. $pageLink->create_page();//创建分页
  200. $list = $pageLink->get();//获得数据
  201. echo $list[0];//分页链接
  202. print_r($list[1]); //打印出数据，或按你的需要循环出来
  203. */

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