要連接到memcache服務(wù)器,需要使用telnet命令到主機(jī)和端口名稱。
memcached 的 telnet 命令的基本語法如下所示:
$telnet HOST PORT
在這里,Host 和Port 是memcached服務(wù)器運(yùn)行的IP和端口
下面給出的示例演示如何連接到memcached服務(wù)器,并運(yùn)行一個(gè)簡單的set和get命令。在這個(gè)例子中,假定memcached服務(wù)器在主機(jī)IP是127.0.0.1,端口11211上運(yùn)行
$telnet 127.0.0.1 11211 Trying 127.0.0.1... Connected to 127.0.0.1. Escape character is '^]'. // now store some data and get it from memcached server set yiibai 0 900 9 memcached STORED get yiibai VALUE yiibai 0 9 memcached END
要從Java程序連接memcached服務(wù)器,需要添加memcached的jar包到類路徑,如圖前面的章節(jié)。
import net.spy.memcached.MemcachedClient;
public class MemcachedJava {
public static void main(String[] args) {
//Connecting to Memcached server on localhost
MemcachedClient mcc = new MemcachedClient(new InetSocketAddress("127.0.0.1", 11211));
System.out.println("Connection to server sucessfully");
//not set data into memcached server
System.out.println("set status:"+mcc.set("yiibai", 900, "memcached").done);
//Get value from cache
System.out.println("Get from Cache:"+mcc.get("yiibai"));
}
}
在上面的程序,假設(shè)memcached服務(wù)器的主機(jī)IP是127.0.0.1,并在端口11211上運(yùn)行。
當(dāng)上述程序編譯和運(yùn)行,它提供了以下的輸出:
Connection to server successfully set status:true Get from Cache:memcached