Maven-使用Maven将Main方法或指定方法打包可执行jar包

以你之姓@ 2023-10-07 23:46 57阅读 0赞

#### 场景 ####

做一个简单的main方法：从控制台窗口中输入url测试访问api接口

#### 代码 ####

##### main方法 #####

package org.example;
    
    import cn.hutool.core.date.DateUtil;
    import cn.hutool.core.util.StrUtil;
    import cn.hutool.http.HttpUtil;
    
    import java.util.Arrays;
    import java.util.Date;
    import java.util.List;
    import java.util.Scanner;
    
    public class Main {
        
        public static void main(String[] args) {
        
            Scanner input = new Scanner(System.in);
            List<String> requestTypes = Arrays.asList("get", "post");
            String joinTypes = StrUtil.join(" or ", requestTypes);
            System.out.println("请输入请求类型：" + joinTypes);
            String inputChar;
            inputChar = input.nextLine();
            while (StrUtil.isBlank(inputChar) || !requestTypes.contains(inputChar.toLowerCase())) {
        
                System.out.println("无效输入，请重新输入..");
                inputChar = input.nextLine();
            }
            String requestUrl = "";
            int timeout = 3000;
            if (inputChar.equals("get")) {
        
                System.out.println("请输入请求url");
                inputChar = input.nextLine();
                while (StrUtil.isBlank(inputChar)) {
        
                    System.out.println("无效输入，请重新输入url..");
                    inputChar = input.nextLine();
                }
                requestUrl = inputChar.trim();
                System.out.println("输入的URL==》" + requestUrl);
                System.out.println("请求超时时间（毫秒）：" + timeout);
                System.out.println("开始请求url:" + DateUtil.formatDateTime(new Date()));
                String responceData = HttpUtil.get(requestUrl, timeout);
                System.out.println("请求返回↓↓↓：" + DateUtil.formatDateTime(new Date()));
                System.out.println(responceData);
            }else if(inputChar.equals("post")){
        
                System.out.println("请输入请求url");
                inputChar = input.nextLine();
                while (StrUtil.isBlank(inputChar)) {
        
                    System.out.println("无效输入，请重新输入url..");
                    inputChar = input.nextLine();
                }
                requestUrl = inputChar.trim();
                System.out.println("输入的URL==》" + requestUrl);
                System.out.println("请输入请求体");
                inputChar = input.nextLine();
                while (StrUtil.isBlank(inputChar)) {
        
                    System.out.println("无效输入，请重新输入请求体..");
                    inputChar = input.nextLine();
                }
                String requestBody = inputChar.trim();
                System.out.println("输入的请求体==》" + requestBody);
                System.out.println("请求超时时间（毫秒）：" + timeout);
                System.out.println("开始请求url:" + DateUtil.formatDateTime(new Date()));
                String responceData = HttpUtil.post(requestUrl, requestBody, timeout);
                System.out.println("请求返回↓↓↓：" + DateUtil.formatDateTime(new Date()));
                System.out.println(responceData);
            }
        }
    }

##### maven配置 #####

<?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>org.example</groupId>
        <artifactId>TestAPI</artifactId>
        <version>1.0-SNAPSHOT</version>
    
        <properties>
            <maven.compiler.source>8</maven.compiler.source>
            <maven.compiler.target>8</maven.compiler.target>
            <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        </properties>
    
        <name>TestAPI</name>
    
        <dependencies>
            <dependency>
                <groupId>cn.hutool</groupId>
                <artifactId>hutool-all</artifactId>
                <version>5.6.3</version>
            </dependency>
        </dependencies>
        <build>
            <finalName>${name}</finalName>
            <plugins>
                <plugin>
                    <groupId>org.apache.maven.plugins</groupId>
                    <artifactId>maven-assembly-plugin</artifactId>
                    <version>2.3</version>
                    <configuration>
                        
                        <appendAssemblyId>false</appendAssemblyId>
                        <descriptorRefs>
                            <descriptorRef>jar-with-dependencies</descriptorRef>
                        </descriptorRefs>
                        <archive>
                            <manifest>
                                
                                <addClasspath>true</addClasspath>
                                
                                <classpathPrefix>lib/</classpathPrefix>
                                
                                <mainClass>org.example.Main</mainClass>
                            </manifest>
                        </archive>
                    </configuration>
                    <executions>
                        <execution>
                            <id>make-assembly</id>
                            
                            <phase>package</phase>
                            <goals>
                                <goal>assembly</goal>
                            </goals>
                        </execution>
                    </executions>
                </plugin>
            </plugins>
        </build>
    </project>

#### 打包package ####

执行 `mvn package`命令打包

#### 运行 ####

`java -jar TestAPI.jar`

#### 效果 ####

![在这里插入图片描述][5a7edcbe419b423aa58e088c3dc63c76.png]

[5a7edcbe419b423aa58e088c3dc63c76.png]: https://img-blog.csdnimg.cn/5a7edcbe419b423aa58e088c3dc63c76.png