Your story may not have a happy beginning, but that doesn't make you who you are, it is restof your story, who you choose to be.

你或者没有一个幸福的开始,然而这并不可能代表你的所有,接下来你的生存取决于你的抉择。——《功夫熊猫2》

根本概述

既然决定去做一件事件,就好比把本人铺成一张稿纸,不论是信笔涂鸦还是书写舒畅,就纵情去享受和体验就好。每一提高一点,天道酬勤,谁都会是大赢家。只管是在这个难堪的二十几岁,正是应该丰盛本人和晋升本人的时候,去经验一些非议,成长才会更快。就像是缓存清零,重新启动,所有还是原来模样......在根底入门篇时候,简略概述了Micronaut配置操作。接下来,针对于这一方面做更近一步的学习。比方,在开发工具方面的配置,在Micronaut相干命令和API的使用,创立完Demo工程的我的项目构造解析以及我的项目构建等。

开发IDE配置

Micronaut开发工具有IntelliJ IDEA ,Eclipse,Visual Studio Code三种。
IntelliJ IDEA配置

[1].减少Micronaut插件IntelliJ IDEA配置

[2].对于Maven 和Gradle工具的配置:

创立我的项目工程

  • Micronaut CLI Project Creation Commands:

[⚠️注意事项]:
Micronaut创立工程反对的模板如下:
create-app:创立Micronaut根底应用程序
create-cli-app:创立Micronaut命令行应用程序
create-function-app:创立Micronaut函数应用程序,默认应用AWS
create-messaging-app:创立Micronaut音讯队列应用程序,默认应用Kafka
create-grpc-app:创立Micronaut分布式GRPC应用程序
  • Create Command Flags:

[⚠️注意事项]:
Micronaut创立工程反对的参数如下:
--lang:反对java, groovy, kotlin语言
--test:反对junit, spock测试框架
--build:反对gradle, gradle_kotlin, maven构建工具
--features:反对泛滥第三方框架
--inplace:反对替换参数

在本地工程目录:/Users/Projects/GitlabCloud/pandora-cloud-platform中:

MacBook-Pro:pandora-cloud-platform root$ cd /Users/Projects/GitlabCloud/pandora-cloud-platformMacBook-Pro:pandora-cloud-platform root$ lsLICENSE                pandora-cloud-gatewayREADME.en.md            pandora-cloud-modelREADME.md            pandora-cloud-platform.imlpandora-cloud-console        pandora-cloud-programpandora-cloud-core        pandora-cloud-schedulepandora-cloud-dependencies    pom.xmlpandora-cloud-frameworkMacBook-Pro:pandora-cloud-platform root$

输出:mn create-app com.pandora-cloud-monitor --build maven --lang=java

MacBook-Pro:pandora-cloud-platform root$ mn create-app com.pandora-cloud-monitor --build maven --lang=java| Generating Java project...| Application created at /Users/Projects/GitlabCloud/pandora-cloud-platform/pandora-cloud-monitorMacBook-Pro:pandora-cloud-platform root$

工程构造

我的项目工程机构如下:

  • .gitignore:分布式版本控制系统git的配置文件,意思为疏忽提交

在 .gitingore 文件中,遵循相应的语法,即在每一行指定一个疏忽规定。 如:.log、/target/、.idea

  • mvnw:全名是maven wrapper的文件

它的作用是在maven-wrapper.properties文件中记录你要应用的maven版本,当用户执行mvnw clean 命令时,发现以后用户的maven版本和冀望的版本不统一,那么就下载冀望的版本,而后用冀望的版本来执行mvn命令,比方mvn clean命令。

  • mvn文件夹:寄存mvnw相干文件

寄存着maven-wrapper.properties和相干jar包以及名为MavenWrapperDownloader的java文件

  • mvn.cmd:执行mvnw命令的cmd入口

注:mvnw文件实用于Linux(bash),mvnw.cmd实用于Windows 环境。

  • pom.xml:我的项目对象模型
<?xml version="1.0" encoding="UTF-8"?><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>pandora.cloud.generator</groupId>  <artifactId>pandora-cloud-generator</artifactId>  <version>0.1</version>  <properties>    <micronaut.version>1.2.6</micronaut.version>    <jdk.version>1.8</jdk.version>    <maven.compiler.target>${jdk.version}</maven.compiler.target>    <maven.compiler.source>${jdk.version}</maven.compiler.source>    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>    <exec.mainClass>pandora.cloud.generator.Application</exec.mainClass>    <maven-surefire-plugin.version>2.22.2</maven-surefire-plugin.version>    <maven-failsafe-plugin.version>2.22.2</maven-failsafe-plugin.version>  </properties>  <repositories>    <repository>      <id>jcenter.bintray.com</id>      <url>https://jcenter.bintray.com</url>    </repository>  </repositories>  <dependencyManagement>    <dependencies>      <dependency>        <groupId>io.micronaut</groupId>        <artifactId>micronaut-bom</artifactId>        <version>${micronaut.version}</version>        <type>pom</type>        <scope>import</scope>      </dependency>    </dependencies>  </dependencyManagement>  <dependencies>    <dependency>      <groupId>io.micronaut</groupId>      <artifactId>micronaut-inject</artifactId>      <scope>compile</scope>    </dependency>    <dependency>      <groupId>io.micronaut</groupId>      <artifactId>micronaut-validation</artifactId>      <scope>compile</scope>    </dependency>    <dependency>      <groupId>io.micronaut</groupId>      <artifactId>micronaut-runtime</artifactId>      <scope>compile</scope>    </dependency>    <dependency>      <groupId>io.micronaut</groupId>      <artifactId>micronaut-http-server-netty</artifactId>      <scope>compile</scope>    </dependency>    <dependency>      <groupId>io.micronaut</groupId>      <artifactId>micronaut-http-client</artifactId>      <scope>compile</scope>    </dependency>    <dependency>      <groupId>ch.qos.logback</groupId>      <artifactId>logback-classic</artifactId>      <version>1.2.3</version>      <scope>runtime</scope>    </dependency>    <dependency>      <groupId>org.junit.jupiter</groupId>      <artifactId>junit-jupiter-api</artifactId>      <scope>test</scope>    </dependency>    <dependency>      <groupId>org.junit.jupiter</groupId>      <artifactId>junit-jupiter-engine</artifactId>      <scope>test</scope>    </dependency>    <dependency>      <groupId>io.micronaut.test</groupId>      <artifactId>micronaut-test-junit5</artifactId>      <scope>test</scope>    </dependency>  </dependencies>  <build>    <plugins>      <plugin>        <groupId>org.apache.maven.plugins</groupId>        <artifactId>maven-shade-plugin</artifactId>        <version>3.1.0</version>        <executions>          <execution>            <phase>package</phase>            <goals>              <goal>shade</goal>            </goals>            <configuration>              <transformers>                <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">                  <mainClass>${exec.mainClass}</mainClass>                </transformer>                <transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>              </transformers>            </configuration>          </execution>        </executions>      </plugin>      <plugin>        <groupId>org.codehaus.mojo</groupId>        <artifactId>exec-maven-plugin</artifactId>        <version>1.6.0</version>        <configuration>          <executable>java</executable>          <arguments>            <argument>-classpath</argument>            <classpath/>            <argument>-noverify</argument>            <argument>-XX:TieredStopAtLevel=1</argument>            <argument>-Dcom.sun.management.jmxremote</argument>            <argument>${exec.mainClass}</argument>          </arguments>        </configuration>      </plugin>    </plugins>    <pluginManagement>      <plugins>        <plugin>          <groupId>org.apache.maven.plugins</groupId>          <artifactId>maven-surefire-plugin</artifactId>          <version>${maven-surefire-plugin.version}</version>          <configuration>            <detail>true</detail>            <includes>              <include>%regex[.*]</include>            </includes>          </configuration>        </plugin>        <plugin>          <groupId>org.apache.maven.plugins</groupId>          <artifactId>maven-failsafe-plugin</artifactId>          <version>${maven-failsafe-plugin.version}</version>          <executions>            <execution>              <goals>                <goal>integration-test</goal>                <goal>verify</goal>              </goals>            </execution>          </executions>        </plugin>        <plugin>          <groupId>org.apache.maven.plugins</groupId>          <artifactId>maven-compiler-plugin</artifactId>          <version>3.7.0</version>          <configuration>            <compilerArgs>              <arg>-parameters</arg>            </compilerArgs>            <annotationProcessorPaths>                  <path>                    <groupId>io.micronaut</groupId>                    <artifactId>micronaut-inject-java</artifactId>                    <version>1.2.6</version>                  </path>                  <path>                    <groupId>io.micronaut</groupId>                    <artifactId>micronaut-validation</artifactId>                    <version>1.2.6</version>                  </path>            </annotationProcessorPaths>          </configuration>          <executions>            <execution>              <id>test-compile</id>              <goals>                <goal>testCompile</goal>              </goals>              <configuration>                <compilerArgs>                  <arg>-parameters</arg>                </compilerArgs>                <annotationProcessorPaths>                  <path>                    <groupId>io.micronaut</groupId>                    <artifactId>micronaut-inject-java</artifactId>                    <version>1.2.6</version>                  </path>                  <path>                    <groupId>io.micronaut</groupId>                    <artifactId>micronaut-validation</artifactId>                    <version>1.2.6</version>                  </path>                </annotationProcessorPaths>              </configuration>            </execution>          </executions>        </plugin>      </plugins>    </pluginManagement>  </build></project>

pom.xml次要形容了我的项目的maven坐标,依赖关系,开发者须要遵循的规定,缺点管理系统,组织和licenses,以及其余所有的我的项目相干因素,是我的项目级别的配置文件。

  • src:寄存开发代码和资源目录

  • Dockerfile :构建Docker镜像的配置文件
FROM adoptopenjdk/openjdk11-openj9:jdk-11.0.1.13-alpine-slimCOPY target/pandora-cloud-generator-*.jar pandora-cloud-generator.jarEXPOSE 8080CMD java -Dcom.sun.management.jmxremote -noverify ${JAVA_OPTS} -jar pandora-cloud-generator.jar
  • micronaut-cli.yml:micronaut 利用的配置文件
profile: servicedefaultPackage: pandora.cloud.generator---testFramework: junitsourceLanguage: java

我的项目启动

Micronaut应用程序的启动形式和Springboot利用启动一样,通过调用Micronaut.run来实现:

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