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;@Autowiredprivate ScopeBean scopeBean;//java -jar myproject.jar --spring.config.location=D:\workspace\runner\target\dbconnection.properties@Bean@Primarypublic 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;@Componentpublic class ScopeBean {private String arg1;@AutowiredDataSource dataSource;public String getDataSource(){System.out.println("---------------getDataSource-------");return dataSource.toString();}public String getArg1() {return arg1;}public void setArg1(String arg1) {this.arg1 = arg1;}}