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php 5.3.3
apache 2.2.7
mysql 5.5.8
相關(guān)文檔下載：點(diǎn)擊下載
解壓Memcached_1.2.5文檔，cmd下執(zhí)行memcached.exe -d -install
將php5.3_vc6_memcachedll文檔解壓，將php_memcache.dll文件復(fù)制到php安裝目錄的ext文件目錄中。
然后在php.ini 當(dāng)中填上這句話：extension="php_memcache.dll"
在phpinfo（）下查看，是否引用了memcache擴(kuò)展。
測試代碼：
復(fù)制代碼 代碼如下:
<?php
//連接
$mem = new Memcache;
$mem->connect("127.0.0.1", 11211);
//保存數(shù)據(jù)
$mem->set('key1', 'This is first value', 0, 60);
$val = $mem->get('key1');
echo "Get key1 value: " . $val ."<br />";
//替換數(shù)據(jù)
$mem->replace('key1', 'This is replace value', 0, 60);
$val = $mem->get('key1');
echo "Get key1 value: " . $val . "<br />";
//保存數(shù)組
$arr = array('aaa', 'bbb', 'ccc', 'ddd');
$mem->set('key2', $arr, 0, 60);
$val2 = $mem->get('key2');
echo "Get key2 value: ";
print_r($val2);
echo "<br />";
//刪除數(shù)據(jù)
$mem->delete('key1');
$val = $mem->get('key1');
echo "Get key1 value: " . $val . "<br />";
//清除所有數(shù)據(jù)
$mem->flush();
$val2 = $mem->get('key2');
echo "Get key2 value: ";
print_r($val2);
echo "<br />";
//關(guān)閉連接
$mem->close();
$memcachehost = '192.168.10.1';
$memcacheport = 11211;
$memcachelife = 60;
$memcache = new Memcache;
$memcache->connect($memcachehost,$memcacheport) or die ("Could not connect");
$query="select * from user limit 10";
$key=md5($query);
if(!$memcache->get($key))
{
$conn=mysql_connect("192.168.30.1","root","passwd");
mysql_select_db(users);
$result=mysql_query($query);
while ($row=mysql_fetch_assoc($result))
{
$arr[]=$row;
}
$f = 'db';
$memcache->add($key,serialize($arr),0,30);
$data = $arr ;
}
else{
$f = 'mem';
$data_mem=$memcache->get($key);
$data = unserialize($data_mem);
}
echo $f;
echo "";
//print_r($data);
foreach($data as $a)
{
echo $a[user_id]._.$a[email];
echo "";
}
?>
新聞系統(tǒng)的應(yīng)用：
復(fù)制代碼 代碼如下:
//==============memcache
$memcachehost = '127.0.0.1';
$memcacheport = 11211;
$memcachelife = 60;
$memcache = new Memcache;
$memcache->connect($memcachehost,$memcacheport) or die ("Could not connect");
//==============新聞
$sql="SELECT id,title,left(title,16) as biaoti,date_time FROM `p_newsbase` where shenhe='1' order by id DESC limit 7 ";
$query=$db->query($sql);
$key=md5($query);
while($row_news=$db->fetch_array($query)){
$str=$row_news['biaoti'].$db->time_out($row_news['date_time']);
$sm_news[]=array("name"=>$str,"title"=>$row_news['title'],"id"=>$row_news['id'],"date_time"=>$row_news['date_time']);
}
if(!$memcache->get($key)){
$memcache->add($key,serialize($sm_news),0,$memcachelife);
}else{
$data_mem=$memcache->get($key);
$sm_news = unserialize($data_mem);
}
$smarty->assign("sm_news",$sm_news);
php技術(shù)：解析php中memcache的應(yīng)用，轉(zhuǎn)載需保留來源！
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