springboot静态工具类读取application.yml以及系统配置参数

import org.springframework.context.EnvironmentAware;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.env.Environment;
import org.springframework.stereotype.Component;

@Component
@Configuration
public class SystemConfig implements EnvironmentAware{
	
    private static Environment env;
	
    /**
     * 获取属性
     * @param key
     * @return
     */
    public static String getProperty(String key){
    	String value=env.getProperty(key);
    	return value;
    }

    /**
     * 获取属性
     * @param key 属性key
     * @param defaultValue 属性value
     * @return
     */
    public static String getProperty(String key,String defaultValue){
    	String value=env.getProperty(key);
        value=value==null?defaultValue:value;
        return value;
    }

	@Override
	public void setEnvironment(Environment environment) {
		env=environment;
	}

}