注入是将依赖注入对象的过程.方法和场注入可用于使用 injector.injectMembers()方法使用退出对象进行初始化.请参阅下面的示例.
创建名为GuiceTester的java类.
GuiceTester .java
import com.google.inject.AbstractModule; import com.google.inject.Guice; import com.google.inject.ImplementedBy; import com.google.inject.Inject; import com.google.inject.Injector; public class GuiceTester { public static void main(String[] args) { Injector injector = Guice.createInjector(new TextEditorModule()); SpellChecker spellChecker = new SpellCheckerImpl(); injector.injectMembers(spellChecker); TextEditor editor = injector.getInstance(TextEditor.class); editor.makeSpellCheck(); } } class TextEditor { private SpellChecker spellChecker; @Inject public void setSpellChecker(SpellChecker spellChecker) { this.spellChecker = spellChecker; } public TextEditor() { } public void makeSpellCheck() { spellChecker.checkSpelling(); } } //Binding Module class TextEditorModule extends AbstractModule { @Override protected void configure() { } } @ImplementedBy(SpellCheckerImpl.class) interface SpellChecker { public void checkSpelling(); } //spell checker implementation class SpellCheckerImpl implements SpellChecker { public SpellCheckerImpl(){} @Override public void checkSpelling() { System.out.println("Inside checkSpelling." ); } }
编译并运行该文件,您将看到以下输出.
Inside checkSpelling.