Encapsulated PHP paging class, easy to use

Encapsulated PHP paging class, easy to use

Class Pagination independent paging class Call method: $ Pagenation = new Pagination (4, 10,200); // 4 (first parameter) = currentPage, 10 (second parameter) = pageSize, 200 (third parameter) = total $ Pagenation-> set_link ('http: // www.360hqb.com '); $ Pagenation-> show (); /** * Class Pagination * * Independent paging class * Call method: * $ Pagenation = new Pagination (4, 10,200); // 4 (first parameter) = currentPage, 10 (second parameter) = pageSize, 200 (third parameter) = total * $ Pagenation-> set_link ('http: // www.360hqb.com '); * $ Pagenation-> show (); */ Class Java_Pagination { Protected $ _ total = 0; Protected $ _ total_page = 0; Protected $ _ page = 1; Protected $ _ page_size = 10; Protected $ _ link = ''; Protected $ _ grep = 3; Protected $ _ admin = false; Protected $ _ css_next = 'Next-page '; Protected $ _ css_prev = 'prev-page '; Protected $ _ css_curr = 'curr-page '; Protected $ _ css_page = 'Page-nav inline-block '; Public function _ construct ($ page, $ page_size, $ total, $ admin = false) { $ This-> set_current_page ($ page ); $ This-> set_page_size ($ page_size ); $ This-> set_total ($ total ); If ($ admin) { $ This-> _ admin = $ admin; } // $ This-> _ link = $ _ SERVER ['request _ URI ']; $ This-> set_link ($ _ SERVER ['request _ URI ']); } Public function set_link ($ link, $ is_shop = TRUE) { $ Len = strlen ($ link ); $ Substr = substr ($ link, $ len-1 ); If ('&' = $ substr) { $ Link = substr ($ link, 0, $ len-1 ); } $ Pos = strpos ($ link ,'? '); If ($ pos) { $ Link = substr ($ link, 0, $ pos ); } If (! Empty ($ _ GET )) { $ Link. = '? '; Foreach ($ _ GET as $ k => $ v) { If ('page' = strtolower ($ k )) { Continue; } $ Link. = $ k. '='. $ v .'&'; } $ Len = strlen ($ link ); $ Substr = substr ($ link, $ len-1 ); If ('&' = $ substr) { $ Link = substr ($ link, 0, $ len-1 ); } } Elseif (isset ($ _ SERVER ['query _ string']) AND! Empty ($ _ SERVER ['query _ string']) AND $ is_shop) { $ Link. = '? '. $ _ SERVER ['query _ string']; $ Len = strlen ($ link ); $ Substr = substr ($ link, $ len-1 ); If ('&' = $ substr) { $ Link = substr ($ link, 0, $ len-1 ); } } $ This-> _ link = $ link; } Public function set_page_size ($ page_size) { If (empty ($ page_size )) { $ This-> _ page_size = 10; } Else { $ This-> _ page_size = (int) $ page_size; } } Public function set_total ($ total) { $ Page_size = empty ($ this-> _ page_size )? 10: $ this-> _ page_size; $ This-> _ total = $ total; If (0 = ($ total % $ page_size )) { $ This-> _ total_page = intval ($ total/$ page_size ); } Else { $ This-> _ total_page = intval ($ total/$ page_size) + 1; } If ($ this-> _ page> $ this-> _ total_page) { $ This-> _ page = $ this-> _ total_page; } } Public function set_current_page ($ page) { If (empty ($ page )) { $ This-> _ page = 1; } Else { $ This-> _ page = (int) $ page; } } Public function get_next_page_btn () { If ($ this-> _ page <$ this-> _ total_page) { $ Link = ''; If (strpos ($ this-> _ link ,'? ')) { $ Link = $ this-> _ link. '& page ='. ($ this-> _ page + 1 ); } Else { $ Link = $ this-> _ link .'? Page = '. ($ this-> _ page + 1 ); } If ($ this-> _ admin) { Return 'next page '; } Else { Return' Next page '; } } If ($ this-> _ admin) Return 'next page? '; Else Return ''; } Public function get_prev_page_btn () { If ($ this-> _ page> 1) { $ Link = ''; If (strpos ($ this-> _ link ,'? ')) { $ Link = $ this-> _ link. '& page ='. ($ this-> _ page-1 ); } Else { $ Link = $ this-> _ link .'? Page = '. ($ this-> _ page-1 ); } If ($ this-> _ admin) { Return 'previous page '; } Else { Return' Previous Page '; } } If ($ this-> _ admin) Return '? Previous Page '; Else Return ''; } Public function get_current_page () { If ($ this-> _ admin) Return''. $ This-> _ page .''; Else Return' '. $ This-> _ page .' '; } Public function get_page_link ($ page) { $ Link = ''; If (strpos ($ this-> _ link ,'? ')) { $ Link = $ this-> _ link. '& page ='. $ page; } Else { $ Link = $ this-> _ link .'? Page = '. $ page; } If ($ this-> _ admin) { Return ''. $ page .''; } Else { Return' '. $ Page .' '; } } Public function get_prev_pages () { $ Pages = array (); $ Begin = $ this-> _ page-$ this-> _ grep; If ($ begin <1) { $ Begin = 1; } Elseif ($ begin> 2) { $ Pages [] = $ this-> get_page_link (1 ); If ($ this-> _ admin) { $ Pages [] = '...'; } Else { $ Pages [] =' ... '; } } Elseif ($ begin = 2) { $ Pages [] = $ this-> get_page_link (1 ); } For ($ I = $ begin; $ I <$ this-> _ page; $ I ++) { $ Pages [] = $ this-> get_page_link ($ I ); } Return $ pages; } Public function get_next_pages () { $ Pages = array (); $ Begin = $ this-> _ page + 1; If ($ begin <$ this-> _ total_page) { $ End = $ begin + $ this-> _ grep; If ($ end> $ this-> _ total_page) { $ End = $ this-> _ total_page; } For ($ I = $ begin; $ I <$ end; $ I ++) { $ Pages [] = $ this-> get_page_link ($ I ); } If ($ I <$ this-> _ total_page) { If ($ this-> _ admin) { $ Pages [] = '...'; } Else { $ Pages [] =' ... '; } $ Pages [] = $ this-> get_page_link ($ this-> _ total_page ); } Else { $ Pages [] = $ this-> get_page_link ($ this-> _ total_page ); } } Elseif ($ begin ==$ this-> _ total_page) { $ Pages [] = $ this-> get_page_link ($ this-> _ total_page ); } Return $ pages; } Public function show () { If ($ this-> _ total_page <= 1) { Return; } If ($ this-> _ admin) { Echo' '; Echo 'total Records '. $ this-> _ total '; } Else { Echo' '; } Echo $ this-> get_prev_page_btn (); $ Prev_pages = $ this-> get_prev_pages (); If (! Empty ($ prev_pages )) { Foreach ($ prev_pages as $ page) { Echo $ page; } } Echo $ this-> get_current_page (); $ Next_pages = $ this-> get_next_pages (); If (! Empty ($ next_pages )) { Foreach ($ next_pages as $ page) { Echo $ page; } } Echo $ this-> get_next_page_btn (); If ($ this-> _ admin) { Echo' '; } Else { Echo' '; } } }