springboot第一天
1.导入相关starter
2.配置yml配置文件
3.创建主启动类
4.通过注解启动相关功能
5.运行主启动类
springboot的工程打jar包就ok
<!-- 继承SpringBoot官方指定的父工程 -->
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.8.RELEASE</version>
</parent>
1.1加入场景启动器
<dependencies>
<!-- 加入Web开发所需要的场景启动器 -->
<dependency>
<!-- 指定groupId和artifactId即可，版本已在父工程中定义 -->
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
</dependencies>
ALT+F5自动导入maven更新依赖
创建主启动类
package com.pyq;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication //表示是一个springboot工程
public class SpringBootDemo {
public static void main(String[] args) {
SpringApplication.run(SpringBootDemo.class,args);
}
}
创建控制器
package com.pyq.controller;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
@Controller
public class HelloHandler {
@ResponseBody
@RequestMapping("/hello/spring/boot")
public String helloSpringBoot() {
return "Hello SpringBoot";
}
}
然后直接可以启动成功
修改日志里面的启动图标
阅读启动日志
2020-04-13 10:26:32.038 INFO 186392 --- [ main] com.pyq.SpringBootDemo : Starting SpringBootDemo on Janker with PID 186392 (D:\pyq20workspace\zhongchouweb01\springboot-web\target\classes started by Administrator in D:\pyq20workspace\zhongchouweb01\springboot-web)
2020-04-13 10:26:32.040 INFO 186392 --- [ main] com.pyq.SpringBootDemo : No active profile set, falling back to default profiles: default
2020-04-13 10:26:32.074 INFO 186392 --- [ main] ationConfigEmbeddedWebApplicationContext : Refreshing org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@5606c0b: startup date [Mon Apr 13 10:26:32 CST 2020]; root of context hierarchy
2020-04-13 10:26:32.881 INFO 186392 --- [ main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat initialized with port(s): 8080 (http)
2020-04-13 10:26:32.888 INFO 186392 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2020-04-13 10:26:32.889 INFO 186392 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet Engine: Apache Tomcat/8.5.23
2020-04-13 10:26:32.955 INFO 186392 --- [ost-startStop-1] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2020-04-13 10:26:32.955 INFO 186392 --- [ost-startStop-1] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 885 ms
2020-04-13 10:26:33.071 INFO 186392 --- [ost-startStop-1] o.s.b.w.servlet.ServletRegistrationBean : Mapping servlet: 'dispatcherServlet' to [/]
2020-04-13 10:26:33.074 INFO 186392 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'characterEncodingFilter' to: [/*]
2020-04-13 10:26:33.075 INFO 186392 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]
2020-04-13 10:26:33.075 INFO 186392 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'httpPutFormContentFilter' to: [/*]
2020-04-13 10:26:33.075 INFO 186392 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'requestContextFilter' to: [/*]
2020-04-13 10:26:33.309 INFO 186392 --- [ main] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@5606c0b: startup date [Mon Apr 13 10:26:32 CST 2020]; root of context hierarchy
2020-04-13 10:26:33.354 INFO 186392 --- [ main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/hello/spring/boot]}" onto public java.lang.String com.pyq.controller.HelloHandler.helloSpringBoot()
2020-04-13 10:26:33.357 INFO 186392 --- [ main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error]}" onto public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.BasicErrorController.error(javax.servlet.http.HttpServletRequest)
2020-04-13 10:26:33.357 INFO 186392 --- [ main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)
2020-04-13 10:26:33.377 INFO 186392 --- [ main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2020-04-13 10:26:33.377 INFO 186392 --- [ main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2020-04-13 10:26:33.406 INFO 186392 --- [ main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**/favicon.ico] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2020-04-13 10:26:33.500 INFO 186392 --- [ main] o.s.j.e.a.AnnotationMBeanExporter : Registering beans for JMX exposure on startup
2020-04-13 10:26:33.540 INFO 186392 --- [ main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat started on port(s): 8080 (http)
2020-04-13 10:26:33.544 INFO 186392 --- [ main] com.pyq.SpringBootDemo : Started SpringBootDemo in 1.732 seconds (JVM running for 3.018)
2020-04-13 10:29:08.052 INFO 186392 --- [nio-8080-exec-1] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring FrameworkServlet 'dispatcherServlet'
2020-04-13 10:29:08.053 INFO 186392 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet : FrameworkServlet 'dispatcherServlet': initialization started
2020-04-13 10:29:08.073 INFO 186392 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet : FrameworkServlet 'dispatcherServlet': initialization completed in 20 ms
第二种创建方法
下载中
重要注解
主启动类上书写注解
@ComponentScan("com.pyq.handler.apple")
配置文件
properties 和 yml格式的配置文件后缀
applicaation.properties
server.prot= 空格+端口号
server.setvlet.context-path=/路径名称
C:\Users\Administrator.m2\settings.xml
<properties>
<java.version>1.8</java.version>
<maven-jar-plugin.version>3.1.1</maven-jar-plugin.version>
</properties>
这样可以解决相关maven的问题
加入mybatis的依赖配置信息
google_pan@163.com
