https://github.com/JeffLi1993/springboot-learning-example
https://github.com/ityouknow/spring-boot-examples

https://github.com/shuzheng/zheng
https://github.com/apache/shiro
https://github.com/zhangkaitao/shiro-example
https://github.com/hs-web/hsweb-framework
https://github.com/thinkgem/jeesite

        
            offical
            Maven Official Repository
            http://repo1.maven.org/maven2
            
                false
            
        
        
            repo2
            Human Readable Name for this Mirror.
            http://repo2.maven.org/maven2/
        
        
            CN
            OSChina Central
            http://maven.oschina.net/content/groups/public/
        
        
            alimaven
            aliyun maven
            http://maven.aliyun.com/nexus/content/groups/public/
        
        
            spring-milestone
            https://repo.spring.io/libs-milestone
        
        
            true
            repository.spring.snapshot
            Spring Snapshot Repository
            http://repo.spring.io/snapshot
        
		
			net-cn
			Human Readable Name for this Mirror.
			http://maven.net.cn/content/groups/public/
		
		
			nexus
			Team Nexus Repository
			http://192.168.1.178:8081/nexus/content/groups/public
		
	

public class SyncTest{
  private Long val = 1L;
//  private Long val = new Long(1L);
  private Object lock = new Object();

  public void printVal(int v){
    synchronized (lock){
      for (int i = 0; i < 50; i++) {
        System.out.print(v);
      }
    }
  }

  public void printVal2(int v){
    synchronized (SyncTest.class){
      for (int i = 0; i < 50; i++) {
        System.out.print(v);
      }
    }
  }

  public void printVal3(int v){
    synchronized (SyncTest.class) {
      for (int i = 0; i < 50; i++) {
        System.out.print(v);
      }
    }
  }

  public synchronized void printVal4(int v){
    for (int i = 0; i < 50; i++) {
      System.out.print(v);
    }
  }

  public synchronized void printVal5(int v){
    for (int i = 0; i < 50; i++) {
      System.out.print(v);
    }
  }

  public void printVal6(int v){
    val = (long)v; //同为一个st对象，但在同步时琐定到不对象，故也达不到同步的目的。
    synchronized (val) {
      for (int i = 0; i < 50; i++) {
        val++;
        System.out.print(v);
      }
    }
  }

  public void printVal7(int v){
    val = (long)v;
    synchronized (val) {
      for (int i = 0; i < 50; i++) {
        val++;
        System.out.print(v);
      }
    }
  }

  public void printVal8(int v){
    synchronized (this) {
      for (int i = 0; i < 50; i++) {
        val++;
        System.out.print(v);
      }
    }
  }

  public void printVal9(int v){
    synchronized (this) {
      for (int i = 0; i < 50; i++) {
        val++;
        System.out.print(v);
      }
    }
  }

  public static void main(String args[]) {
    final SyncTest st = new SyncTest();
    final SyncTest st2 = new SyncTest();
    Thread f1 = new Thread(new Runnable() {
      public void run() {
        st.printVal6(1);
      }
    });
    f1.start();
    Thread f2 = new Thread(new Runnable() {
      public void run() {
        st.printVal7(2);
      }
    });
    f2.start();
  }
}

1.修饰函数时，相同对象互斥，不同对象等同于没有synchronized
2.Long val=1L时，多个实例间仍然是同步的。故原子类型不合适作同步变量使用。
图示：

添加第三方JAR包后，为了使第三方包也能打包进SpringBoot的boot-inf/lib目录。
执行打包指令：mvn package

		
			org.springframework.boot
			spring-boot-starter-web
		

		
			org.springframework.boot
			spring-boot-starter-test
			test
		

		
		
			com.aliyun
			aliyun-java-sdk-core
			3.2.3
			system
			${project.basedir}/libs/aliyun-java-sdk-core-3.2.3.jar
		
		
			com.aliyun
			aliyun-java-sdk-dysmsapi
			1.0.0
			system
			${project.basedir}/libs/aliyun-java-sdk-dysmsapi-1.0.0.jar
		
		
			com.aliyun.mns
			aliyun-sdk-mns
			1.1.8
			system
			${project.basedir}/libs/aliyun-sdk-mns-1.1.8.jar
		
		
			com.aliyun
			aliyun-java-sdk-dybaseapi
			1.0.0
			system
			${project.basedir}/libs/aliyun-java-sdk-dybaseapi-1.0.0.jar
		
		
			com.aliyun.alicom
			alicom-mns-receive-sdk
			1.0.0
			system
			${project.basedir}/libs/alicom-mns-receive-sdk-1.0.0.jar
		

        
        
            org.apache.httpcomponents
            httpclient
            4.5.3
        
        
            org.apache.httpcomponents
            httpasyncclient
            4.1.3
        

        
            org.apache.httpcomponents
            httpcore
            4.4.1
        
        
            org.apache.httpcomponents
            httpcore-nio
            4.4.1
        
        
            org.apache.commons
            commons-lang3
            3.1
        
    
	
		
			
				org.springframework.boot
				spring-boot-maven-plugin
			
		
        
            
                libs
                BOOT-INF/lib/
                
                    **/*.jar
                
            
            
                src/main/resources
                BOOT-INF/classes/