不分页缓存
模板页面
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>无标题文档</title> </head> <body> <div>汽车表</div> <table bgcolor="#FF0000" cellpadding="1px" cellspacing="0" border="1px"> <tr bgcolor="#CCCCCC"> <td>代号</td> <td>名称</td> <td>系列</td> <td>上市时间</td> <td>油耗</td> <td>功率</td> </tr> <{foreach $xinxi as $v}> <tr bgcolor="#66FFFF"> <td><{$v[0]}></td> <td><{$v[1]}></td> <td><{$v[2]}></td> <td><{$v[3]}></td> <td><{$v[4]}></td> <td><{$v[5]}></td> </tr> <{/foreach}> </table> </body> </html>
php页面
<?php include ("../DBDA.php"); include ("../init.inc.php"); include ("../page.class.php"); //取当前页 if ($_GET["page"]="") { $p=0; } $p=$_GET["page"]; //定义该页面缓存文件存放路径 $filename="../cache/cachetest[$p].html"; //定义缓存有效期 $cachetime=2; if (!file_exists($filename)||filemtime($filename)+$cachetime<time()) { //开启内存缓存 ob_start (); $db=new DBDA(); //求总条数 $szong = "select count(*) from car"; $azong = $db->Query($szong); $zongshu = $azong[0][0]; //总条数 //造分页对象 $page=new Page($zongshu,5); //在SQL语句拼接分页条件 $sql= "select * from car ".$page->limit; $fenye = $db->Query($sql); //返回分页信息 $tj=$page->fpage(4,5,6); //将分页结果数组添加到Smarty中 $smarty->assign("tiaojian",$tj); $smarty->assign("xinxi",$fenye); $smarty->display("car1.html"); //从内存缓存中获取页面代码 $content =ob_get_contents(); //将获取到的内容存放到缓存文件 file_put_contents($filename,$content); //清除内存缓存 ob_flush(); echo "标识"; //区分是否是缓存 } else { //读取缓存文件 include ($filename); }
分页缓存
模板页面
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>无标题文档</title> </head> <body> <div>汽车表</div> <table bgcolor="#FF0000" cellpadding="1px" cellspacing="0" border="1px"> <tr bgcolor="#CCCCCC"> <td>代号</td> <td>名称</td> <td>系列</td> <td>上市时间</td> <td>油耗</td> <td>功率</td> </tr> <{foreach $xinxi as $v}> <tr bgcolor="#66FFFF"> <td><{$v[0]}></td> <td><{$v[1]}></td> <td><{$v[2]}></td> <td><{$v[3]}></td> <td><{$v[4]}></td> <td><{$v[5]}></td> </tr> <{/foreach}> </table> <div><{$tiaojian}></div> </body> </html>
php页面
<?php include ("../DBDA.php"); include ("../init.inc.php"); //定义该页面缓存文件存放路径 $filename="../cache/cachetest.html"; //定义缓存有效期 $cachetime=2; if (!file_exists($filename)||filemtime($filename)+$cachetime<time()) { //开启内存缓存 ob_start (); $db=new DBDA(); $sql="select * from car"; $attr=$db->Query($sql); $smarty->assign("xinxi",$attr); $smarty->display("car.html"); //从内存缓存中获取页面代码 $content =ob_get_contents(); //将获取到的内容存放到缓存文件 file_put_contents($filename,$content); //清除内存缓存 ob_flush(); echo "标识"; } else { include ($filename); }