要连接到memcache服务器,需要使用telnet命令到主机和端口名称。
memcached 的 telnet 命令的基本语法如下所示:
$telnet host port
在这里,host 和port 是memcached服务器运行的ip和端口
下面给出的示例演示如何连接到memcached服务器,并运行一个简单的set和get命令。在这个例子中,假定memcached服务器在主机ip是127.0.0.1,端口11211上运行
$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 h3 0 900 9 memcached stored get h3 value h3 0 9 memcached end
要从java程序连接memcached服务器,需要添加memcached的jar包到类路径,如图前面的章节。
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("h3", 900, "memcached").done); //get value from cache system.out.println("get from cache:"+mcc.get("h3")); } }
在上面的程序,假设memcached服务器的主机ip是127.0.0.1,并在端口11211上运行。
当上述程序编译和运行,它提供了以下的输出:
connection to server successfully set status:true get from cache:memcached