Spring-Boot Banner
下载Spring-Boot源码,目录结构spring-boot-2.1.0.M2\spring-boot-2.1.0.M2\spring-boot-project\spring-boot\src\main\java\org\springframework\boot
Banner为接口具体实现类二个,https://docs.spring.io/spring-boot/docs/2.0.5.RELEASE/api/
一个存放图片资源,一个存放资源。
package com.jachs.jurisdiction.Jurisdiction; import java.io.BufferedInputStream; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileReader; import org.springframework.boot.ImageBanner; import org.springframework.boot.ResourceBanner; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.boot.builder.SpringApplicationBuilder; import org.springframework.boot.web.servlet.support.SpringBootServletInitializer; import org.springframework.core.io.InputStreamResource; @SpringBootApplication public class JurisdictionApplication{ /* @Override protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) { System.out.println("in"); try { builder.banner(new ImageBanner(new InputStreamResource(new FileInputStream("C:\\Users\\Jachs\\Desktop\\a.png")))); } catch (FileNotFoundException e) { e.printStackTrace(); } return builder.sources(JurisdictionApplication.class); } */ public static void main(String[] args) throws FileNotFoundException { // SpringApplication.run(LoginAction.class, args); // SpringApplication.run(JurisdictionApplication.class, args); SpringApplication application = new SpringApplication(JurisdictionApplication.class); application.setBanner(new ImageBanner(new InputStreamResource(new FileInputStream("C:\\Users\\Jachs\\Desktop\\a.png")))); // application.setBanner(new ResourceBanner(new InputStreamResource(new FileInputStream("C:\\Users\\Jachs\\Desktop\\s.txt")))); application.run(args); } }
实现ImageBanner是打印的为图片二进制,为实现自己独特的打印采用ResourceBanner指定一个文本写入类容初始化时打印。
************************ ************************ *******HellWord********* ************************ ************************ 2018-09-14 16:25:21.462 INFO 5940 --- [ main] c.j.j.J.JurisdictionApplication : Starting JurisdictionApplication on ZhanChaoHan with PID 5940 (C:\Users\Jachs\Downloads\Jurisdiction\target\classes started by zhanchaohan in C:\Users\Jachs\Downloads\Jurisdiction) 2018-09-14 16:25:21.467 INFO 5940 --- [ main] c.j.j.J.JurisdictionApplication : No active profile set, falling back to default profiles: default 2018-09-14 16:25:23.480 INFO 5940 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http) 2018-09-14 16:25:23.517 INFO 5940 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat] 2018-09-14 16:25:23.517 INFO 5940 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet Engine: Apache Tomcat/9.0.12 2018-09-14 16:25:23.531 INFO 5940 --- [ main] o.a.catalina.core.AprLifecycleListener : The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: [D:\jdk-8u5-windows-x64\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;D:/jdk-8u5-windows-x64/bin/../jre/bin/server;D:/jdk-8u5-windows-x64/bin/../jre/bin;D:/jdk-8u5-windows-x64/bin/../jre/lib/amd64;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;F:\MySql\bin;D:\php-7.0.10\php-7.0.10;D:\php-7.0.10\php-7.0.10\ext;F:\TortoiseSVN\bin;F:\VisualSVN-Server-3.5.6-x64.msi\VisualSVN Serve\bin;E:\BaiDu\C#\运行Java\ikvm-7.2.4630.5\bin;D:\aspectj1.8\bin;D:\cygwin\bin;F:\Git\cmd;E:\BaiDu\JAVA\java\Apache\Maven\gradle-4.6-bin\gradle-4.6\bin;D:\jdk-8u5-windows-x64\bin;E:\BaiDu\JAVA\java\Apache\Maven\apache-maven-3.5.3-bin\apache-maven-3.5.3\bin;F:\es\zookeeper\bin;F:\es\kafka-eagle-bin-1.2.3\kafka-eagle-bin-1.2.3\kafka-eagle-web-1.2.3-bin\bin;E:\sts-bundle\sts-3.8.4.RELEASE;;.] 2018-09-14 16:25:23.720 INFO 5940 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext 2018-09-14 16:25:23.720 INFO 5940 --- [ main] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 2187 ms 2018-09-14 16:25:23.766 INFO 5940 --- [ main] o.s.b.w.servlet.ServletRegistrationBean : Servlet dispatcherServlet mapped to [/] 2018-09-14 16:25:23.772 INFO 5940 --- [ main] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'characterEncodingFilter' to: [/*] 2018-09-14 16:25:23.773 INFO 5940 --- [ main] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'hiddenHttpMethodFilter' to: [/*] 2018-09-14 16:25:23.773 INFO 5940 --- [ main] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'formContentFilter' to: [/*] 2018-09-14 16:25:23.774 INFO 5940 --- [ main] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'requestContextFilter' to: [/*] 2018-09-14 16:25:23.859 INFO 5940 --- [ main] o.s.s.concurrent.ThreadPoolTaskExecutor : Initializing ExecutorService 'applicationTaskExecutor' 2018-09-14 16:25:24.699 INFO 5940 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 8080 (http) with context path '' 2018-09-14 16:25:24.706 INFO 5940 --- [ main] c.j.j.J.JurisdictionApplication : Started JurisdictionApplication in 4.06 seconds (JVM running for 4.971) 2018-09-14 16:25:25.447 INFO 5940 --- [on(2)-127.0.0.1] inMXBeanRegistrar$SpringApplicationAdmin : Application shutdown requested. 2018-09-14 16:25:25.452 INFO 5940 --- [on(2)-127.0.0.1] o.s.s.concurrent.ThreadPoolTaskExecutor : Shutting down ExecutorService 'applicationTaskExecutor'
默认打印采用的是SpringBootBanner代码如下，可以自己改造
/* * Copyright 2012-2018 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.springframework.boot; import java.io.PrintStream; import org.springframework.boot.ansi.AnsiColor; import org.springframework.boot.ansi.AnsiOutput; import org.springframework.boot.ansi.AnsiStyle; import org.springframework.core.env.Environment; /** * Default Banner implementation which writes the 'Spring' banner. * * @author Phillip Webb */ class SpringBootBanner implements Banner { private static final String[] BANNER = { "", " . ____ _ __ _ _", " /\\\\ / ___'_ __ _ _(_)_ __ __ _ \\ \\ \\ \\", "( ( )\\___ | '_ | '_| | '_ \\/ _` | \\ \\ \\ \\", " \\\\/ ___)| |_)| | | | | || (_| | ) ) ) )", " ' |____| .__|_| |_|_| |_\\__, | / / / /", " =========|_|==============|___/=/_/_/_/" }; private static final String SPRING_BOOT = " :: Spring Boot :: "; private static final int STRAP_LINE_SIZE = 42; @Override public void printBanner(Environment environment, Class<?> sourceClass, PrintStream printStream) { for (String line : BANNER) { printStream.println(line); } String version = SpringBootVersion.getVersion(); version = (version != null) ? " (v" + version + ")" : ""; StringBuilder padding = new StringBuilder(); while (padding.length() < STRAP_LINE_SIZE - (version.length() + SPRING_BOOT.length())) { padding.append(" "); } printStream.println(AnsiOutput.toString(AnsiColor.GREEN, SPRING_BOOT, AnsiColor.DEFAULT, padding.toString(), AnsiStyle.FAINT, version)); printStream.println(); } }
不想显示初始化Banner时。
application.setBannerMode(Mode.OFF);
Mode说明
该枚举三个CONSOLE打印到控制台,LOG打印到log日志,OFF不打印。
