Maven

项目管理工具maven

2017-04-18  本文已影响272人  liangxifeng833

我jdk版本是1.7.0_95,在网上查了一下1.7属于java7
maven3.3+版本都支持java7,所以我使用3.3.9的maven版本
下载地址:http://mirrors.hust.edu.cn/apache//maven/maven-3/3.3.9/binaries/apache-maven-3.3.9-bin.tar.gz

一,安装maven

sudo wget http://mirrors.hust.edu.cn/apache//maven/maven-3/3.3.9/binaries/apache-maven-3.3.9-bin.tar.gz
sudo tar zxvf apache-maven-3.3.9-bin.tar.gz
cp -r apache-maven-3.3.9  /usr/local/

配置环境变量,设置路径并编辑文件 ~/.profile or /etc/profile ,在后面添加下面代码:

export M2_HOME=/usr/local/apache-maven-3.3.9
export M2=$M2_HOME/bin
export MAVEN_OPTS="-Xms256m -Xmx512m"
export PATH=$M2:$PATH

重新加载修改的配置文件

$ sudo  source ~/.profile
$ sudo source /etc/profile

测试maven

$ mvn -v
Apache Maven 3.3.9 (bb52d8502b132ec0a5a3f4c09453c07478323dc5; 2015-11-11T00:41:47+08:00)
Maven home: /usr/local/apache-maven-3.3.9
Java version: 1.7.0_95, vendor: Oracle Corporation
Java home: /usr/lib/jvm/java-7-openjdk-amd64/jre
Default locale: zh_CN, platform encoding: UTF-8
OS name: "linux", version: "3.16.0-67-generic", arch: "amd64", family: "unix"

二,常用命令

[INFO] Installing /home/lxf/workspaceEE/hongxing-bge/target/hongxing-bge-0.0.1-SNAPSHOT.jar to /home/lxf/.m2/repository/com/hongxing/bge/hongxing-bge/0.0.1-SNAPSHOT/hongxing-bge-0.0.1-SNAPSHOT.jar
[INFO] Installing /home/lxf/workspaceEE/hongxing-bge/pom.xml to /home/lxf/.m2/repository/com/hongxing/bge/hongxing-bge/0.0.1-SNAPSHOT/hongxing-bge-0.0.1-SNAPSHOT.pom
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 2.194 s
[INFO] Finished at: 2017-04-12T10:01:53+08:00
[INFO] Final Memory: 12M/217M
[INFO] ------------------------------------------------------------------------
```

mvn archetype:generate -DarchetypeCatalog=internal -DgroupId=com.lxf.maven03 -DartifactId=maven03-model -Dversion=1.0.0snapshoot -Dpackage=com.lxf.maven03.model -DarchetypeCatalog=internal

二,第一个demo

<?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/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <!--项目的包名 -->
    <groupId>com.lxf.maven01</groupId>
    <!--模块名 -->
    <artifactId>maven01-model</artifactId>
    <version>0.0.1SNAPSHOT</version>

    <!--项目引入插件所需要的额外依赖 -->  
    <dependencies>  
    <!--参见dependencies/dependency元素 -->  
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.10</version>
        </dependency>  
    </dependencies> 
</project>

三,maven的坐标(构件)

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四,maven仓库

maven在编译的时候会检查本地仓库是否有所需要的坐标(构件),如果没有则到远程仓库获取,远程仓库地址为:解压jar -xf /usr/local/apache-maven-3.3.9/lib/maven-model-builder-3.3.9.jar, 解压后org/apache/maven/model/pom-4.0.0.xml,所有子xml都继承该xml,该xml中的<url>https://repo.maven.apache.org/maven2</url>就是全球远程中央仓库地址;

    <mirror>
      <id>maven.net.cn</id>
      <mirrorOf>central</mirrorOf><!--也可以使用通配符* -->
      <name>central mirror in china</name>
      <url>http://maven.net.cn/content/groups/public</url>
    </mirror>
   <localRepository>/path/to/local/repo</localRepository>

五,Eclipse中使用maven

六,maven的生命周期

一个项目要经过:清理 编译 测试 打包 集成测试 验证 部署

七,依赖传递

  <dependencies>
    <dependency>
      <!-- shanji依赖nge -->
      <groupId>com.hongxing.bge</groupId>
      <artifactId>hongxing-nge</artifactId>
      <version>0.0.1-SNAPSHOT</version>
      
      <!-- 清除对bge的依赖 -->
      <exclusions>
          <exclusion>
                    <groupId>com.hongxing.bge</groupId>
                 <artifactId>hongxing-bge</artifactId>
          </exclusion>

      </exclusions>
    </dependency>
  </dependencies>

八,依赖冲突

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九,maven的继承和聚合

  <groupId>com.hongxing</groupId>
  <artifactId>hongxingi-juhe</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>pom</packaging>

  <modules>
    <module>../hongxing-bge</module>
    <module>../hongxing-nge</module>
    <module>../hongxing-shanji</module>
  </modules>

在这个项目的pom.xml右键使用run as 使用install的时候会自动将bge,nge,shanji的jar包安装到本地仓库

  <groupId>com.hongxing</groupId>
  <artifactId>hongxingi-parent</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>pom</packaging>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <junit.version>3.8.1</junit.version>
  </properties>

  <dependencyManagement>
   <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>${junit.version}</version>
      <scope>test</scope>
    </dependency>
  </dependencies>   
  </dependencyManagement>

在hongxing-shanji的maven项目中的pom.xml中的junit修改为从hongxing.parent项目继承过来的junit

<parent>
      <groupId>com.hongxing</groupId>
      <artifactId>hongxing-parent</artifactId>
      <version>0.1.1</version>
</parent>

十,使用maven创建web项目

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点击next选择已有的mave项目

如果想在maven项目中使用maven部署和单元测试,需要如下步骤:
(1)需要在项目名上(alipay)右键->new source Folder新建如下(这是maven的约定)
src/main/java (将java源文件放在该source Folder下,比如:action servler等)
src/test/java (将单元测试java原文件放在该source Folder下,注意内部的报名要和src/main/java下的包名一致)
src/main/resources (将公共资源文件放在source Folder下,比如:config.properties 配置文件


maven-web.jpg

(2)在src目录右键->新建Folder目录,名字为webapp,网站静态文件存放处,里面放META-INF ,WEB-INF,以及css js html jsp等

(3)修改发布规则(参考文章:http://www.cnblogs.com/zhaoyang/archive/2012/01/07/2315455.html)

使用maven将项目部署到远程服务器

参考文章1:http://www.cnblogs.com/guogangj/p/5505228.html
参考文章2:http://www.cnblogs.com/taoweiji/p/3859860.html

<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>wxpay</groupId>
  <artifactId>wxpay</artifactId>
  <version>1.0.0</version>
  <packaging>war</packaging>
  <name>wxpay</name>
    <dependencies>
    
        <dependency>
        <groupId>javax.servlet</groupId>
        <artifactId>javax.servlet-api</artifactId>
         <version>3.0.1</version>
         <!-- 只在编译和测试时运行 -->
         <scope>provided</scope>
    </dependency>
    
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
        </dependency>
 
         <dependency>
            <groupId>dom4j</groupId>
            <artifactId>dom4j</artifactId>
            <version>1.6.1</version>
        </dependency>       
        
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>2.8.4</version>
           </dependency>
           
           <dependency>
            <groupId>net.sf.json-lib</groupId>
            <artifactId>json-lib</artifactId>
            <version>2.4</version>
            <classifier>jdk15</classifier><!-- 指定jdk版本 -->
                <scope>compile</scope>
                <exclusions>
                    <exclusion>
                        <groupId>org.jruby</groupId>
                        <artifactId>jruby</artifactId>
                    </exclusion>
                    <exclusion>
                        <groupId>org.codehaus.groovy</groupId>
                        <artifactId>groovy-all</artifactId>
                    </exclusion>
                    <exclusion>
                        <groupId>log4j</groupId>
                        <artifactId>log4j</artifactId>
                    </exclusion>
                </exclusions>
            </dependency>
            
            <dependency>
                <groupId>net.sf.ezmorph</groupId>
                <artifactId>ezmorph</artifactId>
                <version>1.0.6</version>
                <scope>compile</scope>
            </dependency>
            <dependency>
                <groupId>org.apache.httpcomponents</groupId>
                <artifactId>httpclient</artifactId>
                <version>4.5.2</version>
            </dependency>
            <dependency>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-resources-plugin</artifactId>
                <version>2.4.3</version>
            </dependency>
            <dependency>
                <groupId>mysql</groupId>
                <artifactId>mysql-connector-java</artifactId>
                <version>5.1.39</version>
             </dependency>
    </dependencies>
    
     <!-- 开发环境 -->
    <properties>
        <warPackageName>alipay</warPackageName>
        <tomcat.deploy.server>localTestServer</tomcat.deploy.server>
        <tomcat.deploy.serverUrl>http://localhost:8081/manager/text</tomcat.deploy.serverUrl>
    </properties>

   <!-- 生产环境 -->
    <profiles>
        <profile>
            <id>deploy2production</id>
            <properties>
                <tomcat.deploy.server>productionServer</tomcat.deploy.server>
                <tomcat.deploy.serverUrl>http://120.26.93.30:8080/manager/text</tomcat.deploy.serverUrl>
            </properties>
        </profile>
    </profiles>
    
  <build>    
    <finalName>${warPackageName}</finalName>
    <plugins>
     <!-- 部署相关 -->
      <plugin>  
               <groupId>org.apache.tomcat.maven</groupId>
               <artifactId>tomcat7-maven-plugin</artifactId>
               <version>2.2</version>
                <configuration>  
                    <url>${tomcat.deploy.serverUrl}</url>  
                    <server>${tomcat.deploy.server}</server>  
                    <path>/${warPackageName}</path>
                </configuration>  
         </plugin>  
    </plugins>
  </build>
</project>
    <!-- liangxifeng modify 新增国内镜像地址 -->                                                                                                       
    <mirror>
      <id>alimaven</id>
      <name>aliyun maven</name>
      <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
      <mirrorOf>central</mirrorOf>            
    </mirror>
    <!-- liangxifeng modify 部署配置-->  
    <server>
        <id>productionServer</id>
        <username>deployer</username>
        <password>123456</password>
    </server>
    <server>
        <id>localTestServer</id>
        <username>deployer</username>
        <password>654321</password>
    </server>
  <role rolename="manager-script"/>
  <user username="deployer" password="654321" roles="manager-script"/>

生成测试覆盖率

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单元测试命名约定

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生成测试报告

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maven的6类属性

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资源过滤

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生成项目站点

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            <!--pmd是java代码分析工具,可以发现代码中潜在的bug,无用代码,可优化代码,重复代码等 -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-pmd-plugin</artifactId>                                                                                              
                <version>2.5</version>
            </plugin>

使用mvn site后,除了生成PMD报告外,还会生成CPD报告(包含了代码拷贝粘贴结果)

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Maven远程Tomcat热部署

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