java9学习笔记之模块化详解

import com.bdqn.lyrk.student.service.SecondStudentService;
import com.bdqn.lyrk.student.service.api.IStudentService;
/**
 * 模块化描述类，统一建立在各个模块的源文件根目录 名字为：module-info.java
 * 模块化常见的语法结构：
 *
 * import xxxx.xxxx;
 * ....
 *
 * [open] module 模块名 {
 * requires [static|transitive] 模块名;
 * exports 包名 [to 模块名]
 * providers 接口名 with [接口实现类,....]
 * uses 接口名
 * 
 * }
 *
 *
* @author chen.nie
* @date 2018/4/18
**/
module student.service {

 exports com.bdqn.lyrk.student.service.api;
 provides IStudentService with SecondStudentService;
}

package com.bdqn.lyrk.student.service.api;
public interface IStudentService {
 void study();
}

package com.bdqn.lyrk.student.service;
import com.bdqn.lyrk.student.service.api.IStudentService;

public class SecondStudentService implements IStudentService {
 @Override
 public void study() {
 System.out.println("second study");
 }
}

import com.bdqn.lyrk.student.service.api.IStudentService;
module project.portal {
 uses IStudentService;
 requires transitive student.service;
}

package com.bdqn.lyrk.portal;
import com.bdqn.lyrk.student.service.api.IStudentService;
import java.util.ServiceLoader;
public class Main {
 public static void main(String[] args) {
 ServiceLoader<IStudentService> studentServices = ServiceLoader.load(IStudentService.class);
 studentServices.findFirst().get().study();
 }
}

exports <package>;
exports <package> to <module1>, <module2>...;

module N {
 exports com.jdojo.claim.model;
 opens com.jdojo.claim.model;
}

requires <module>;
requires transitive <module>;
requires static <module>;
requires transitive static <module>;

/*
 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 */

/**
 * Defines the core Java SE API.
 * <P>
 * The modules defining the CORBA and Java EE APIs are not required by
 * this module, but they are required by the
 * <a href="java.se.ee-summary.html">{@code java.se.ee}</a> module.
 *
 * <dl>
 * <dt class="simpleTagLabel" style="font-family:'DejaVu Sans', Arial, Helvetica, sans serif">Optional for the Java SE Platform:</dt>
 * <dd>
 * <a href="../specs/jni/index.html">Java Native Interface (JNI)</a><br>
 * <a href="../specs/jvmti.html">Java Virtual Machine Tool Interface (JVM TI)</a><br>
 * <a href="../specs/jdwp/jdwp-spec.html">Java Debug Wire Protocol (JDWP)</a><br>
 * </dd>
 * </dl>
 *
 * @moduleGraph
 * @since 9
 */
module java.se {
 requires transitive java.compiler;
 requires transitive java.datatransfer;
 requires transitive java.desktop;
 requires transitive java.instrument;
 requires transitive java.logging;
 requires transitive java.management;
 requires transitive java.management.rmi;
 requires transitive java.naming;
 requires transitive java.prefs;
 requires transitive java.rmi;
 requires transitive java.scripting;
 requires transitive java.security.jgss;
 requires transitive java.security.sasl;
 requires transitive java.sql;
 requires transitive java.sql.rowset;
 requires transitive java.xml;
 requires transitive java.xml.crypto;
}