PHP Paging class with a variety of paging methods

Class PAGE { Class start /******************************************************** * Total number of $total records * $pageNum the number of bars displayed per page * $url = ' link * $page->startpage (display categorical statistics, character classification/digital paging, jump); * $page->startpage (true/false, True/false, True/false); * Site http://bbs.it-home.org *********************************************************/ Private $total; Total Records Private $pageNum; Number of displays per page Private $page; Current page Private $pages; Total number of pages Private $url; Page URL Private $Aque; URL parameters /* Constructor function */ Public Function PAGE ($total, $pageNum, $url = '? ') { $this->total = $total; The total number of records. $this->pagenum = $pageNum; The number of displays per page. $this->url = $this->strsift ($url); Determines whether the value of the hash is legal. $this->aque = $_get; The parameters that the page originally passed. $this->page = $this->strsift ($_get[' page '); Current page get (global variable) mode parameter, current page number. $this->page = is_numeric ($this->page)? $this->page:1; When the current page number is not a number, it is set to 1. $this->pages = ceil ($total/$pageNum); Total pages. if ($this->page<1) $this->page = 1; When the page number is less than 1 o'clock, set it to 1. if ($this->page> $this->pages) $this->page = $this->pages; When the page number is greater than the maximum page number, it is set to the maximum page number. } /****************** * Pagination Method *******************/ function StartPage ($str, $view =true, $jump =true) { if ($view ==true) $PageStr. = $this->getcount (); Paging statistics if ($str = = ' str ') $PageStr. = $this->getpagestr (); Select the form of a character page else $PageStr. = $this->getpagenum (); Select the form of a digital page if ($jump ==true) $PageStr. = $this->jumpselect (); Jump return $PageStr; } /********************************************** * Display statistics. Format: Total 5 records page: 2/3 ***********************************************/ function GetCount () { $COUNTSTR = "Total ". $this->total. " Records page: ". $this->page." /". $this->pages." "; return $CountStr; } /*********************************************** * Paging format one: First previous next last page ************************************************/ function Getpagestr () { $url = $this->url; Get URL Handling of URL parameters: The key to the array is the URL variable, and the value of the array is the value of the URL variable. foreach ($this->aque as $key = + $val) { Switch ($key) { Case "page": $Next = $val + 1; $Prev = $val-1; Break Default $Sque. = "& $key =". $this->strsift ($val); } } if ($Next ==0) $Next = 2; Home previous Page Switch ($this->page) { Case $this->page<=1: $pagestr. = "Home"; $pagestr. = "Previous page"; Break Default $pagestr. = "Home"; $pagestr. = "Previous page"; } Next last Page Switch ($this->page) { Case $this->page>= $this->pages: $pagestr. = "Next page"; $pagestr. = "Last"; Break Default $pagestr. = "Next page"; $pagestr. = "Pages$sque ' > Last"; } Returns the paging string. return $pagestr; } /*********************************************************** * Page Format: A total of 4,307 records page: 1/72 1 2 3 4 5 6 7 8 9 10 ************************************************************/ function Getpagenum () { $url = $this->url; Handling of URL parameters: The key to the array is the URL variable, and the value of the array is the value of the URL variable. foreach ($this->aque as $key = + $val) { Switch ($key) { Case $key! = "page": $Sque. = "& $key =". $this->strsift ($val); } } Switch ($this->pages) { The total number of pages is greater than 12 pages: Case $this->pages>12: Pagination Digital Front:< << Switch ($this->page) { Case $this->page>1: $pagestr. = "<"; $pagestr. = "page-1). $Sque." ' ><< "; Break Default $pagestr. = "<"; $pagestr. = "<<"; } Number of pages: 1 2 3 4 5 6 current page left 6 pagination links, 6 pagination links on the right. for ($i = $this->page-6; $i <= $this->page+6; $i + +) { if ($i > $this->pages) break; if ($i = = $this->page) $pagestr. = $i. " "; ElseIf ($i >=1) $pagestr. = "$i"; } After paging number: > >> Switch ($this->page) { Case $this->page< $this->pages: $pagestr. = "page+1). $Sque." ' >>> "; $pagestr. = "pages. $Sque." >> "; Break Default $pagestr. = ">"; $pagestr. = ">>"; } Break Default The total number of pages is less than 12 pages: for ($i =1; $i <= $this->pages; $i +) { Switch ($i) { Case $i = = $this->page: $pagestr. = $i. " "; Break Default $pagestr. = "$i"; } } } Returns the paging string. return $pagestr; } /************************ * Define jump pages. BEGIN *************************/ function Jumpselect () { $url = $this->url; Handling of URL parameters: The key to the array is the URL variable, and the value of the array is the value of the URL variable. foreach ($this->aque as $key = + $val) { if ($key! = "page") $Sque. = "& $key =". $this->strsift ($val); } $SELECTSTR = "\ n $SelectStr. = "onchange=\" window.location= ' ". $url."? Page= ' +this.value+ ' ". $Sque." \ ">\n"; for ($i =1; $i <= $this->pages; $i + +) {if ($i = = $this->page) $selected = "selected"; Else $selected = ""; $SelectStr. = "$i \ n "; } $SelectStr. = "\ n"; Returns the paging string. return $SelectStr; } /********************************** * Filter special characters. ***********************************/ Private Function Strsift ($STR) { $str = Str_replace ("\" "," ", $str); $str = Str_replace ("'", "" ", $str); $str = Str_replace ("[Url=file://%22,%22%22, $str/]\\", "", $str [/url]); $str = str_replace ("\ \", "", $str); $str = Str_replace (":", "", $str); $str = Str_replace ("?", "" ", $str); Removal will appear "??". $str = Str_replace (">", "", $str); $str = Str_replace ("<", "", $str); $str = str_replace ("%", "", $str); $str = Str_replace ("*", "", $str); $str = Str_replace ("&", "", $str); $str = Str_replace (".", "", $str); return $str; } Class End } ?> Copy Code Interested friends, can also refer to the following article: A good PHP page class code A useful PHP paging class Paging style sheet: Copy Code

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