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[add] CommandLineRunner接口的使用

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	`1`	`+package demo.web.config;`
	`2`	`+`
	`3`	`+import org.springframework.boot.CommandLineRunner;`
	`4`	`+import org.springframework.core.annotation.Order;`
	`5`	`+import org.springframework.stereotype.Component;`
	`6`	`+`
	`7`	`+/**`
	`8`	`+ * parent`
	`9`	`+ * demo.web.config`
	`10`	`+ * Spring Boot的CommandLineRunner接口主要用于实现在应用初始化后,去执行一段代码块逻辑,如初始化数据等`
	`11`	`+ * 这段初始化代码在整个应用生命周期内只会执行一次。`
	`12`	`+ *`
	`13`	`+ * @author BlueDriver`
	`14`	`+ * @email cpwu@foxmail.com`
	`15`	`+ * @date 2019年06月05日 09:01 Wednesday`
	`16`	`+ * 参考:https://www.cnblogs.com/chenpi/p/9696310.html`
	`17`	`+ */`
	`18`	`+@Component`
	`19`	`+@Order(1)//如果有多个实现CommandLineRunner的类,指定执行顺序,会从小到大一次执行`
	`20`	`+public class ApplicationStartupRunner implements CommandLineRunner {`
	`21`	`+ @Override`
	`22`	`+ public void run(String... args) throws Exception {`
	`23`	`+ System.err.println(">>>>>>>>>>>>>>>服务启动后执行,可用户执行初始化数据等操作<<<<<<<<<<<<");`
	`24`	`+ }`
	`25`	`+}`

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