如何配置pom.xml用maven打包java工程

最近因为项目须要,研究了一下maven的打包,项目要作到java

1,生成3个目录/lib,/conf,/bin目录apache

2,把全部的jar目录编译、拷贝到/lib目录(包括maven的jar包和lib目录下的jar,以及编译的jar包)eclipse

3,把全部的启动脚本从工程根目录拷贝到/bin目录maven

4,把全部的配置文件从src/main/resources拷贝到/confui

下面是配置的pom.xml,我把相关的配置都加了注释,一看就能明白,把build节点拷贝到大家的项目中,就基本能够用了:)url

<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>test</groupId>
    <artifactId>test.common</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>jar</packaging>

    <name>test.common</name>
    <url>http://maven.apache.org</url>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>

    <dependencies>
    <!-- 这里省略n行 -->
    </dependencies>


    <build>
        <sourceDirectory>src/main/java</sourceDirectory>
        <resources>
            <!-- 把src/main/resources目录下全部的文件拷贝到conf目录中 -->
            <resource>
                <directory>src/main/resources</directory>
                <targetPath>${project.build.directory}/conf</targetPath>
            </resource>
            <!-- 把lib目录下全部的文件拷贝到lib目录中
            (可能有些jar包没有办法在maven中找到,须要放在lib目录中) -->
            <resource>
                <directory>lib</directory>
                <targetPath>${project.build.directory}/lib</targetPath>
            </resource>
            <!-- 把放在根目录下的脚本文件.sh,.bat拷贝到bin目录中 -->
            <resource>
                <directory>.</directory>
                <includes>
                    <include>**/*.sh</include>
                    <include>**/*.bat</include>
                </includes>
                <targetPath>${project.build.directory}/bin</targetPath>
            </resource>
        </resources>

        <plugins>
            <!-- 用于编译的plugin -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.1</version>
                <configuration>
                    <fork>true</fork>
                    <defaultLibBundleDir>lib</defaultLibBundleDir>
                    <source>1.7</source>
                    <target>1.7</target>
                    <encoding>UTF-8</encoding>
                    <!-- 若是配置了JAVA_HOME,下面应该能够不用配 -->
                    <executable>C:\Program Files (x86)\Java\jdk1.8.0_91\bin\javac.exe</executable>
                </configuration>
            </plugin>
            
            <!-- 用于生成jar包的plugin -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-jar-plugin</artifactId>
                <version>2.6</version>
                <configuration>
                    <!-- 把生成的jar包放在lib目录下(和其余全部jar包一块儿) -->
                    <outputDirectory>${project.build.directory}/lib</outputDirectory>
                    <archive>
                        <manifest>
                            <addClasspath>true</addClasspath>
                            <classpathPrefix>lib/</classpathPrefix>
                        </manifest>
                    </archive>
                    <excludes>
                    <!-- 排除掉一些文件,不要放到jar包中,
                    这里是为了排除掉src/main/resources中的文件(它们应该放到conf目录)
                    这里只能指定要排除的目标文件,而不能指定源文件,虽然不够完美,可是基本能达到目的。 -->
                        <exclude>*.xml</exclude>
                        <exclude>*.properties</exclude>
                    </excludes>
                </configuration>
            </plugin>
            
            <!-- 用于拷贝maven依赖的plugin -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-dependency-plugin</artifactId>
                <version>2.10</version>
                <executions>
                    <execution>
                        <id>copy-dependencies</id>
                        <phase>package</phase>
                        <goals>
                            <goal>copy-dependencies</goal>
                        </goals>
                        <configuration>
                        <!-- 把依赖的全部maven jar包拷贝到lib目录中(这样全部的jar包都在lib目录中) -->
                            <outputDirectory>${project.build.directory}/lib</outputDirectory>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
            
            <!-- 用于拷贝resource的plugin -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-resources-plugin</artifactId>
                <version>2.7</version>
                <configuration>
                    <encoding>UTF-8</encoding>
                </configuration>
            </plugin>

            <!-- 配置生成源代码jar的plugin -->
            <plugin>
                <artifactId>maven-source-plugin</artifactId>
                <version>2.4</version>
                <configuration>
                    <attach>true</attach>
                    <encoding>UTF-8</encoding>
                    <!-- 配置源代码jar文件的存放路径,和其余jar文件一块儿放在lib目录 -->
                    <outputDirectory>${project.build.directory}/lib</outputDirectory>
                </configuration>
                <executions>
                    <execution>
                        <phase>compile</phase>
                        <goals>
                            <goal>jar</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
            
        </plugins>
    </build>
</project>

而后执行maven package打包。若是是eclipse,在Project Explorer-> Run As –> Maven Build… –>在Goals中输入package,点Run进行编译。spa

在bin目录下的启动脚本start.bat能够这么写:xml

@ECHO OFF
set CLASSPATH=%JAVA_HOME%/lib
set JAVA=%JAVA_HOME%/bin/java

set CLASSPATH=%CLASSPATH%;../conf
set JAVA_OPTIONS=-Djava.ext.dirs="../lib"

"%JAVA%" -Xms512m -Xmx1024m -classpath "%CLASSPATH%" %JAVA_OPTIONS% test.HangqingEntrance

以上:ip

把conf目录添加到CLASSPATH中,由于conf目录保存的是从src/main/resources拷贝来的配置文件。ci

设置-Djava.ext.dirs="../lib" 。由于jar包都放在lib目录。

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