Maison >développement back-end >tutoriel php >PHP自练项目之数字与文字的分页效果在函数中实现,_PHP教程
<span><span><br />/*</span><span>* * * @param $_sql * @param $_size </span><span>*/</span> <span>function</span> _page(<span>$_sql</span>,<span>$_size</span><span>) { </span><span>//</span><span>将里面的所有变量取出来,外部可以访问</span> <span>global</span> <span>$_page</span>,<span>$_pagesize</span>,<span>$_pagenum</span>,<span>$_pageabsolute</span>,<span>$_num</span><span>; </span><span>if</span> (<span>isset</span>(<span>$_GET</span>['page'<span>])) { </span><span>$_page</span> = <span>$_GET</span>['page'<span>]; </span><span>if</span> (<span>empty</span>(<span>$_page</span>) || <span>$_page</span> < 0 || !<span>is_numeric</span>(<span>$_page</span><span>)) { </span><span>$_page</span> = 1<span>; } </span><span>else</span><span> { </span><span>$_page</span> = <span>intval</span>(<span>$_page</span><span>); } } </span><span>else</span><span> { </span><span>$_page</span> = 1<span>; } </span><span>$_pagesize</span> = <span>$_size</span><span>; </span><span>$_num</span> = _num_rows(_query(<span>$_sql</span><span>)); </span><span>if</span> (<span>$_num</span> == 0<span>) { </span><span>$_pageabsolute</span> = 1<span>; } </span><span>else</span><span> { </span><span>$_pageabsolute</span> = <span>ceil</span>(<span>$_num</span> / <span>$_pagesize</span><span>); } </span><span>if</span> (<span>$_page</span> > <span>$_pageabsolute</span><span>) { </span><span>$_page</span> = <span>$_pageabsolute</span><span>; } </span><span>$_pagenum</span> = (<span>$_page</span> - 1) * <span>$_pagesize</span><span>; } </span><span>/*</span><span>* * _paging分页函数 * @param $_type * @return 返回分页 </span><span>*/</span> <span>function</span> _paging(<span>$_type</span><span>) { </span><span>global</span> <span>$_page</span>,<span>$_pageabsolute</span>,<span>$_num</span><span>; </span><span>if</span> (<span>$_type</span> == 1<span>) { </span><span>echo</span> '<div id="page_num">'<span>; </span><span>echo</span> '<ul>'<span>; </span><span>for</span> (<span>$i</span>=0;<span>$i</span><<span>$_pageabsolute</span>;<span>$i</span>++<span>) { </span><span>if</span> (<span>$_page</span> == (<span>$i</span>+1<span>)) { </span><span>echo</span> '<li><a href="blog.php?page='.(<span>$i</span>+1).'" class="selected">'.(<span>$i</span>+1).'</a></li>'<span>; } </span><span>else</span><span> { </span><span>echo</span> '<li><a href="blog.php?page='.(<span>$i</span>+1).'">'.(<span>$i</span>+1).'</a></li>'<span>; } } </span><span>echo</span> '</ul>'<span>; </span><span>echo</span> '</div>'<span>; } </span><span>elseif</span> (<span>$_type</span> == 2<span>) { </span><span>echo</span> '<div id="page_text">'<span>; </span><span>echo</span> '<ul>'<span>; </span><span>echo</span> '<li>'.<span>$_page</span>.'/'.<span>$_pageabsolute</span>.'页 | </li>'<span>; </span><span>echo</span> '<li>共有<strong>'.<span>$_num</span>.'</strong>个会员 | </li>'<span>; </span><span>if</span> (<span>$_page</span> == 1<span>) { </span><span>echo</span> '<li>首页 | </li>'<span>; </span><span>echo</span> '<li>上一页 | </li>'<span>; } </span><span>else</span><span> { </span><span>echo</span> '<li><a href="'.SCRIPT.'.php">首页</a> | </li>'<span>; </span><span>echo</span> '<li><a href="'.SCRIPT.'.php?page='.(<span>$_page</span>-1).'">上一页</a> | </li>'<span>; } </span><span>if</span> (<span>$_page</span> == <span>$_pageabsolute</span><span>) { </span><span>echo</span> '<li>下一页 | </li>'<span>; </span><span>echo</span> '<li>尾页</li>'<span>; } </span><span>else</span><span> { </span><span>echo</span> '<li><a href="'.SCRIPT.'.php?page='.(<span>$_page</span>+1).'">下一页</a> | </li>'<span>; </span><span>echo</span> '<li><a href="'.SCRIPT.'.php?page='.<span>$_pageabsolute</span>.'">尾页</a></li>'<span>; } </span><span>echo</span> '</ul>'<span>; </span><span>echo</span> '</div>'<span>; } }</span></span>
在核心函数库包装以上代码glob.funic.php
然后只要在文件中调用以下函数就行:
//_pageing函数调用分页,1|2,1表示数字分页,2表示文本分页
_paging(2);
?>