Vert.X

Eclipse Vert.x is a tool-kit for building reactive applications on the JVM.

优点很多，不赘述。

Hello World

创建一个 Java maven 项目。

  • Project Struct
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│pom.xml
│  
└─src
    ├─main
    │  ├─java
    │  │  └─com
    │  │      └─ryo
    │  │          └─vertx
    │  │                  HelloWorldEmbedded.java
    │  │
    │  └─resources
    └─test
        └─java
  • pom.xml

主要是引入核心包，指定 JDK 版本。

  [xml]
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<?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>com.ryo</groupId>
    <artifactId>vertx</artifactId>
    <version>1.0-SNAPSHOT</version>

    <dependencies>

        <dependency>
            <groupId>io.vertx</groupId>
            <artifactId>vertx-core</artifactId>
            <version>3.4.2</version>
        </dependency>

    </dependencies>

    <build>

        <pluginManagement>
            <plugins>
                <!-- We specify the Maven compiler plugin as we need to set it to Java 1.8 -->
                <plugin>
                    <artifactId>maven-compiler-plugin</artifactId>
                    <version>3.1</version>
                    <configuration>
                        <source>1.8</source>
                        <target>1.8</target>
                    </configuration>
                </plugin>
            </plugins>
        </pluginManagement>

    </build>

</project>
  • HelloWorldEmbedded.java
  [java]
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package com.ryo.vertx;

import io.vertx.core.Vertx;

/**
 * Created by bbhou on 2017/9/30.
 */
public class HelloWorldEmbedded {

    public static void main(String[] args) {
        // Create an HTTP server which simply returns "Hello World!" to each request.
        Vertx.vertx().createHttpServer().requestHandler(req -> req.response().end("Hello World!")).listen(8080);
    }

}
  • Run & Visit

直接运行 main() 方法，浏览器访问

  [plaintext]
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localhost:8080

即可看到对应结果。