google的guice入门详解

<pre class="java" name="code">/**

*将接口与实现类进行绑定

**/

public class HelloWorld implements Module{ @Override public void configuration(Bunder arg0){ arg0.bind(HelloWorld.class).to(HelloWorldImpl.class).in(Singleton.class);}}

<pre class="java" name="code">/** 接口**/
public interface HelloWorld{
String sayHello();
}

<pre class="java" name="code">/**
*实现类
**/
public class HelloWorldImpl implements HelloWorld{
@Override
public String sayHello(){
return "Hello,wolrd!";
}
}

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<pre class="java" name="code">/**测试类

**/
public class HelloWorldTest{

public static void main(String[] args){
Injector inj = Guice.createInjector();
HelloWorld hw = inj.getInstance(HelloWorld.class);
System.out.println(hw.sayHello());

}

}