Spring Boot 小试牛刀

Spring Boot配置 基本pom ，编写启动类，spring 注入 使用。

cmd 端 spring boot的启动方式 应该不会涉及到线程安全问题？

pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>org.springframework.samples</groupId>
    <artifactId>runner</artifactId>
    <version>1.0</version>
    <properties>
        <java.version>1.8</java.version>
    </properties>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.4.1.RELEASE</version>
    </parent>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter</artifactId>
        </dependency>
        <!-- https://mvnrepository.com/artifact/commons-dbcp/commons-dbcp -->
        <dependency>
            <groupId>commons-dbcp</groupId>
            <artifactId>commons-dbcp</artifactId>
            <version>1.4</version>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>
</project>

Application

/**
 * 
 */
package com.liang;

import java.sql.Connection;
import java.util.List;

import javax.sql.DataSource;

import org.apache.commons.dbcp.BasicDataSource;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.jdbc.DataSourceBuilder;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.ImportResource;
import org.springframework.context.annotation.Primary;
import org.springframework.stereotype.Component;

/**
 * @author robin
 *
 */
@SpringBootApplication
@ComponentScan("com.liang")
public class Application  implements CommandLineRunner   {

	private static final Logger log = LoggerFactory.getLogger(Application.class);  
	

	private static String init;
	
	@Autowired
	private ScopeBean scopeBean;
	
	//java -jar myproject.jar --spring.config.location=D:\workspace\runner\target\dbconnection.properties
	@Bean
	@Primary
	public DataSource dataSource() {
		log.error("-----------------dataSource---------start");
		BasicDataSource dataSource = new BasicDataSource();  
        dataSource.setDriverClassName(init);  
        dataSource.setUrl(init);  
        dataSource.setUsername(init);  
        dataSource.setPassword(init); 
        log.error("-----------------dataSource---------end");
        return dataSource; 
        
	}

//	@Bean
//	@ConfigurationProperties(prefix="datasource.secondary")
//	public DataSource secondaryDataSource() {
//	    return DataSourceBuilder.create().build();
//	}
	
	
	//PropertyPlaceholderConfigurer
	//java -jar myproject.jar --spring.config.location=classpath:/default.properties,classpath:/override.properties
//	@Autowired
//	HelloBean helloBean;
//	@Autowired
//	OtherProperty other;
//	@Autowired
//	DataSource dataSource;
	
    @Override  
    public void run(String... args) throws Exception {  
    	log.error("-----------------run---------start");
    	scopeBean.setArg1(init);
    	//helloBean.getWorld();
//    	String ls = other.getName();
    	System.out.println("#########");
//    	/Connection connection = dataSource.getConnection();
    	System.out.println(scopeBean.getDataSource());
//    	log.info("----------------------------------------->" + );
    	System.out.println("#########");
    	try{
            Thread.currentThread().sleep(10000);
         }catch(InterruptedException ie){
             ie.printStackTrace();
         } 
    	log.error("-----------------run---------end");
    	System.out.println(scopeBean.getArg1());
    }
	
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		log.error("-----------------main---------start");
		init = args[0];
		System.out.println("----------init--------" + init);
        SpringApplication.run(Application.class, args);
        log.error("-----------------main---------end");
	}

}

ScopeBean

package com.liang;

import javax.sql.DataSource;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;

@Component
public class ScopeBean {
	private String arg1;

	
	@Autowired
	DataSource dataSource;
	
	public String getDataSource(){
		System.out.println("---------------getDataSource-------");
		return dataSource.toString();
	}
	
	
	public String getArg1() {
		return arg1;
	}

	public void setArg1(String arg1) {
		this.arg1 = arg1;
	}
	
	
}