Php Generic paging-php Tutorial

Php Generic paging class & lt ;? PhpinterfaceILink {publicfunctionparse ($ page, $ param );}? & Gt ;? & Lt ;? PhprequireILink. php; classLinkAdapterimplementsILink {*** @ paramunknown_type $ page * php Generic paging class

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 GetAllPage ()} page, page {$ page-> getCurrentPage ()} "; $ links = $ this-> getLinkString ($ param ); if ($ page-> hasPrevious () $ temp. = "getCurrentPage ()-1 ). "'> Previous Page"; else {$ temp. = "previous page" ;}for ($ I = $ page-> getCurrentPage (); $ I <=$ page-> getAllPage () & $ I <= $ page-> getPerRecords (); $ I ++) {$ temp. = "{$ I}";} if ($ page-> hasNext () $ temp. = "getCurrentPage () + 1 ). "'> next page"; else {$ temp. = "next page";} return $ temp;} public function getLinkString ($ param) {$ str = ""; $ Attr = $ _ GET; unset ($ attr [$ param]); if ($ attr) {foreach ($ attr as $ key => $ val) {if ($ str = "") {$ str. = "? $ Key = $ val ";} else {$ str. = "& $ key = $ val" ;}}$ str. = "& $ param";} else {$ str. = "? $ Param ";}return $ str ;}}?>

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 AllPage;}/*** @ return the $ allRecords */public function getAllRecords () {return $ this-> allRecords ;} /*** @ return the $ perRecords */public function getPerRecords () {return $ this-> perRecords ;} /*** @ return the $ currentPage */public function getCurrentPage () {return $ this-> currentPage ;} /*** @ param $ allPage the $ allPage to set */public function setAllPage ($ allPage) {$ this-> allPage = ($ allPage % $ this-> PerRecords = 0 )? ($ AllPage/$ this-> perRecords) :( $ allPage/$ this-> perRecords + 1); $ this-> allPage = intval ($ this-> allPage );} /*** @ param $ allRecords the $ allRecords to set */public function setAllRecords ($ allRecords) {$ this-> allRecords = $ allRecords ;} /*** @ param $ perRecords the $ perRecords to set */public function setPerRecords ($ perRecords) {$ this-> perRecords = $ perRecords ;} /*** @ param $ currentPage the $ currentPage to se T */public function setCurrentPage ($ currentPage) {if ($ currentPage <1) $ this-> currentPage = 1; else if ($ currentPage> $ this-> allPage) $ this-> currentPage = $ this-> allPage; else $ this-> currentPage = $ currentPage;} public function hasNext () {return $ this-> currentPage <$ this-> allPage;} public function hasPrevious () {return $ this-> currentPage> 1;} public function getEndIndex () {return ($ this-> currentPage-1) * $ th Is-> perRecords) + $ this-> perRecords)> $ this-> allRecords? ($ This-> currentPage-1) * $ this-> perRecords) + $ this-> perRecords)-$ this-> allRecords: $ this-> perRecords ;} public function getStartIndex () {return ($ this-> currentPage-1) * $ this-> perRecords ;}}?>

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 List = $ list; $ this-> page = new Page ();} /***** @ param unknown_type $ Data volume displayed by rows * @ param unknown_type $ current page */public function init ($ rows = 5, $ current) {$ this-> page-> setAllRecords (count ($ this-> list); $ this-> page-> setPerRecords ($ rows ); $ this-> page-> setAllPage (count ($ this-> list); $ this-> page-> setCurrentPage ($ current ); $ this-> list = array_slice ($ this-> list, $ this-> page-> getStartIndex (), $ this-> page-> getEndIn Dex ();}/*** get the paging variable */public function getVar () {return $ this-> list ;} /*** @ return the $ param */public function getParam () {return $ this-> param ;} /*** @ param $ param the $ param to set */public function setParam ($ param) {$ this-> param = $ param ;} /*** load the plug-in information and obtain the generated link. the decorator mode * @ param unknown_type $ link */public function getLink ($ link = null) {if (! Empty ($ link) |! ($ Link instanceof ILink) $ link = new LinkAdapter (); return $ link-> parse ($ this-> page, $ this-> param) ;}}?>

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 setParam("page");$page->init(30,$_REQUEST['page']);$list=$page->getVar();foreach($list as $val):echo $val.'
';endforeach;echo $page->getLink();?>

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