启动类处设置：
@PropertySource("classpath:application.properties")
@PropertySource("classpath:source/icafe.properties")
实现类处：
@Value("${**.**.**}")
private String var;
配置多个文件：
@PropertySource(value = {"classpath:demo.properties","classpath:demoadd.properties"})
2）定时任务启动类处设置：
@EnableScheduling
@SpringBootApplication(scanBasePackages = {"com.**.**.**"},
exclude = { DataSourceAutoConfiguration.class,
DataSourceTransactionManagerAutoConfiguration.class })
Job类处：
@Component
