maven项目下搭建SpringBoot框架
先介绍一下环境：首先我们需要jdk版本要是1.8或以上，这是java环境，我们要创建maven项目，还需要maven的一个环境，下面是maven下载地址：http://maven.apache.org/download.cgi
下一步：配置maven环境，与JDK配置方式一样，不介绍了。配置好了之后，我们还要更改一下配置：E:\home\Maven\apache-maven-3.3.9\conf 文件夹下的settings.xml文件
如图 55行，更改成你的路径
下面就是在我们编辑器里引入maven了，我这里使用的是eclipse ：window>preferences>maven>installations>add(maven解压路径)>Apply
请看过程
之后我们就要进行我们SpringBoot框架搭建了，我们需要在pom.xml里面添加一下配置
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.zwk.demo</groupId>
<artifactId>demo02</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>demo02</name>
<url>http://maven.apache.org</url>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0.4.RELEASE</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>
<!-- 项目设置:编码格式UTF-8 -->
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
<dependencies>
<!--单元测试依赖 -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
<!-- Spring Boot SpringMVC框架依赖 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!-- Spring Boot 测试依赖 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<!-- 热部署 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<optional>true</optional>
<!-- optional=true,依赖不会传递，该项目依赖devtools；之后依赖myboot项目的项目如果想要使用 devtools，需要重新引入 -->
<scope>true</scope><!-- 热部署 -->
</dependency>
</dependencies>
<!--打包插件-->
<build>
<plugins>
<!-- SpringBoot插件 -->
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
<!-- SpringBoot项目打包jar名称 -->
<finalName>demo02</finalName>
</build>
</project>
当我们点击保存时候，我们的eclipse会下载我们上面引入的这些加包库，下载的文件会放在maven解压文件repo下，等待下载
下面进行配置看是否搭建成功
App.java
package com.zwk.demo.demo02;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
/**
* Hello world!
*
*/
@SpringBootApplication
public class App
{
public static void main( String[] args )
{
SpringApplication.run(App.class, args);
}
}
创建HelloController.java
package com.zwk.demo.demo02;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class HelloController {
@RequestMapping("sayHello")
public String sayHello() {
return "欢迎进入springboot世界。。。。。。。。。。。";
}
}
在App.java run as java Application 启动，如果出现一下说明搭建成功
23:54:03.424 [main] DEBUG org.springframework.boot.devtools.settings.DevToolsSettings - Included patterns for restart : []
23:54:03.434 [main] DEBUG org.springframework.boot.devtools.settings.DevToolsSettings - Excluded patterns for restart : [/spring-boot-actuator/target/classes/, /spring-boot-devtools/target/classes/, /spring-boot/target/classes/, /spring-boot-starter-[\w-]+/, /spring-boot-autoconfigure/target/classes/, /spring-boot-starter/target/classes/]
23:54:03.435 [main] DEBUG org.springframework.boot.devtools.restart.ChangeableUrls - Matching URLs for reloading : [file:/E:/home/eclipse/eclipse-workspace/demo02/target/classes/]
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.0.4.RELEASE)
2018-10-15 23:54:05.441 INFO 8456 --- [ restartedMain] com.zwk.demo.demo02.App : Starting App on GFIN7P9MRH460MV with PID 8456 (E:\home\eclipse\eclipse-workspace\demo02\target\classes started by Administrator in E:\home\eclipse\eclipse-workspace\demo02)
2018-10-15 23:54:05.442 INFO 8456 --- [ restartedMain] com.zwk.demo.demo02.App : No active profile set, falling back to default profiles: default
2018-10-15 23:54:05.781 INFO 8456 --- [ restartedMain] ConfigServletWebServerApplicationContext : Refreshing org.springframework.boot.web.ser[email protected]79604826: startup date [Mon Oct 15 23:54:05 CST 2018]; root of context hierarchy
2018-10-15 23:54:09.590 INFO 8456 --- [ restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 80 (http)
2018-10-15 23:54:09.643 INFO 8456 --- [ restartedMain] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2018-10-15 23:54:09.643 INFO 8456 --- [ restartedMain] org.apache.catalina.core.StandardEngine : Starting Servlet Engine: Apache Tomcat/8.5.32
2018-10-15 23:54:09.682 INFO 8456 --- [ost-startStop-1] 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: [E:\home\jdk\jdk1.8.0_66\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;E:/home/jdk/jre1.8.0_66/bin/server;E:/home/jdk/jre1.8.0_66/bin;E:/home/jdk/jre1.8.0_66/lib/amd64;C:\Program Files (x86)\Common Files\Oracle\Java\javapath;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\Intel\WiFi\bin\;C:\Program Files\Common Files\Intel\WirelessCommon\;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;E:\home\mysql\mysql-5.7.23-winx64\mysql-5.7.23-winx64\bin;E:\home\jdk\jdk1.8.0_66\bin;C:\Program Files\Microsoft SQL Server\110\DTS\Binn\;C:\Program Files (x86)\Microsoft SQL Server\110\Tools\Binn\;C:\Program Files\Microsoft SQL Server\110\Tools\Binn\;C:\Program Files (x86)\Microsoft SQL Server\110\Tools\Binn\ManagementStudio\;C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE\PrivateAssemblies\;C:\Program Files (x86)\Microsoft SQL Server\110\DTS\Binn\;E:\home\Maven\apache-maven-3.3.9\bin;C:\Users\Administrator\AppData\Local\Microsoft\WindowsApps;C:\Program Files\Intel\WiFi\bin\;C:\Program Files\Common Files\Intel\WirelessCommon\;E:\home\eclipse\eclipse-jee-2018-09-win32-x86_64\eclipse;;.]
2018-10-15 23:54:09.812 INFO 8456 --- [ost-startStop-1] o.a.c.c.C.[Tomcat].[localhost].[/demo2] : Initializing Spring embedded WebApplicationContext
2018-10-15 23:54:09.813 INFO 8456 --- [ost-startStop-1] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 4038 ms
2018-10-15 23:54:09.906 INFO 8456 --- [ost-startStop-1] o.s.b.w.servlet.ServletRegistrationBean : Servlet dispatcherServlet mapped to [/]
2018-10-15 23:54:09.909 INFO 8456 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'characterEncodingFilter' to: [/*]
2018-10-15 23:54:09.909 INFO 8456 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]
2018-10-15 23:54:09.909 INFO 8456 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'httpPutFormContentFilter' to: [/*]
2018-10-15 23:54:09.909 INFO 8456 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'requestContextFilter' to: [/*]
2018-10-15 23:54:10.162 INFO 8456 --- [ restartedMain] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**/favicon.ico] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2018-10-15 23:54:10.477 INFO 8456 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.boot.web.ser[email protected]79604826: startup date [Mon Oct 15 23:54:05 CST 2018]; root of context hierarchy
2018-10-15 23:54:10.678 INFO 8456 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/sayHello]}" onto public java.lang.String com.zwk.demo.demo02.HelloController.sayHello()
2018-10-15 23:54:10.686 INFO 8456 --- [ restartedMain] 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.servlet.error.BasicErrorController.error(javax.servlet.http.HttpServletRequest)
2018-10-15 23:54:10.687 INFO 8456 --- [ restartedMain] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.servlet.error.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)
2018-10-15 23:54:10.747 INFO 8456 --- [ restartedMain] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2018-10-15 23:54:10.747 INFO 8456 --- [ restartedMain] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2018-10-15 23:54:11.033 INFO 8456 --- [ restartedMain] o.s.b.d.a.OptionalLiveReloadServer : LiveReload server is running on port 35729
2018-10-15 23:54:11.093 INFO 8456 --- [ restartedMain] o.s.j.e.a.AnnotationMBeanExporter : Registering beans for JMX exposure on startup
2018-10-15 23:54:11.174 INFO 8456 --- [ restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 80 (http) with context path '/demo2'
2018-10-15 23:54:11.178 INFO 8456 --- [ restartedMain] com.zwk.demo.demo02.App : Started App in 7.691 seconds (JVM running for 11.142)
如果有錯，可以一起交流。