Php paging class with multiple paging methods

Php paging class with multiple paging methods

Class PAGE { // Starts the class /*************************************** ***************** * $ Total number of records * $ PageNum number of entries per page * $ Url = ''link * $ Page-> StartPage (display classification statistics, character classification/numeric paging, jump ); * $ Page-> StartPage (true/false, true/false, true/false ); * Site http://bbs.it-home.org **************************************** *****************/ Private $ total; // The total number of records. Private $ pageNum; // Number of Entries displayed per page Private $ page; // The current page number. Private $ pages; // The total number of pages. Private $ url; // page url Private $ Aque; // URL parameter /* Constructor */ Public function PAGE ($ total, $ pageNum, $ url = '? '){ $ This-> total = $ total; // The total number of records. $ This-> pageNum = $ pageNum; // Number of Entries displayed per page. $ This-> url = $ this-> StrSift ($ url); // checks whether the value of $ url is valid. $ This-> Aque =$ _ GET; // parameters originally passed on the page. $ This-> page = $ this-> StrSift ($ _ GET ['Page']); // GET (global variable) mode parameter of the current page, current page number. $ This-> page = is_numeric ($ this-> page )? $ This-> page: 1; // when the current page number is not a number, set it to 1. $ This-> pages = ceil ($ total/$ pageNum); // The total number of pages. If ($ this-> page <1) $ this-> page = 1; // when the page number is smaller than 1, set it to 1. // If ($ this-> page> $ this-> pages) $ this-> page = $ this-> pages; // when the page number is greater than the maximum page number, set it to the maximum page number. } /****************** * Paging method *******************/ Function StartPage ($ str, $ view = true, $ jump = true ){ If ($ view = true) $ PageStr. = $ this-> GetCount (); // page statistics If ($ str = 'str') $ PageStr. = $ this-> GetPageStr (); // select the character paging form Else $ PageStr. = $ this-> GetPageNum (); // select the number pagination form If ($ jump = true) $ PageStr. = $ this-> JumpSelect (); // jump Return $ PageStr; } /*************************************** ******* * Display statistics. Format: 5 Record pages: 2/3 **************************************** *******/ Function GetCount (){ $ CountStr = "total". $ this-> total. "record page:". $ this-> page. "/". $ this-> pages .""; Return $ CountStr; } /*************************************** ******** * Page format 1: First Page Previous Page Last Page **************************************** ********/ Function GetPageStr (){ $ Url = $ this-> url; // Obtain the URL // Process URL parameters: the key of 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; // Previous Page Switch ($ this-> page ){ Case $ this-> page <= 1: $ Pagestr. = "first page "; $ Pagestr. = "previous page "; Break; Default: $ Pagestr. = "first page "; $ Pagestr. = "previous page "; } // The last page of The Next page Switch ($ this-> page ){ Case $ this-> page >=$ this-> pages: $ Pagestr. = "next page "; $ Pagestr. = "Last page "; Break; Default: $ Pagestr. = "next page "; $ Pagestr. = "pages $ Sque '> last page "; } // Returns the paging string. Return $ pagestr; } /*************************************** ******************** * Page format: 4307 records page: 1/72 1 2 3 4 5 6 7 8 9 10 **************************************** ********************/ Function GetPageNum (){ $ Url = $ this-> url; // Process URL parameters: the key of 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: Case $ this-> pages> 12: // Before the number displayed on the page: < Switch ($ this-> page ){ Case $ this-> page> 1: $ Pagestr. = "<"; $ Pagestr. = "page-1). $ Sque." '> <"; Break; Default: $ Pagestr. = "<"; $ Pagestr. = "<"; } // Pagination number: 1 2 3 4 5 6 the current page number has 6 pagination links on the left and 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 the 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: 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 the jump page. BEGIN *************************/ Function JumpSelect (){ $ Url = $ this-> url; // Process URL parameters: the key of 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 "?? ". $ 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; } // End the class } ?> If you are interested, you can also refer to the following article: A good php paging class code and a practical php paging class Pagination style sheet: