所需環(huán)境：

php 5.3.3

apache 2.2.7

mysql 5.5.8

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(cè)試代碼：

?

<?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(‘a(chǎn)aa’,?’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：

?

//==============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);

????$str=$row_news['biaoti'].$db->time_out($row_news['date_time']);

?while($row_news=$db->fetch_array($query)){

????$sm_news[]=array(“name”=>$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);

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轉(zhuǎn)載于:https://www.cnblogs.com/rirber/p/3157703.html

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