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  • Maven创建Web项目(idea)

    web项目创建

    Web项目开发需要导入许多的第三方jar包,用Maven创建web项目就可以将这一操作免去。

    本项目是在idea下创建的,idea自带Maven,如果还未了解Maven的同学可以看上一篇Maven入门。

    首先在idea下新建新的项目,并选择web-app模式

    然后就是和创建普通java项目一样的步骤了(请查看Maven入门篇)

    项目建好后,目录结构如下:(会发现目录很简单,没有java目录,也没有text目录)

    所以我们需要自己创建其他目录,这里只创建java目即可。可以看到java文件夹和webapp,还有resources目录

    都是有特定颜色和图标的,直接创建的目录是默认为普通目录,需要我们将改Maven项目jar包导入方式设为自动

    导入(查看Maven入门篇)。值得注意的是,创建过程中,我是先设置的自动导包,然后创建的文件,导致这些

    目录的颜色都没有变化,从新设置也没用用。这时可以使用手动设置(推荐从新创建项目)。

    右击目录,对目录操作,选择目录类型。

    GAV坐标


     新建的Maven项目都会有一个pom.xml的配置文件。

     该文件用于管理:源代码、配置文件、开发者的信息和角色、问题追踪系统、组织信息、项目授权、项目的url、项目的依赖关系等等

     最常用的操作就是配置Jar包的坐标,Maven则会根据该GAV坐标导入该坐标下的Jar包。

     pom目录的主要组成

    • groupId 

      这是项目组的编号,这在组织或项目中通常是独一无二的。 例如,一家银行集团com.company.bank拥有所有银行相关项目

    • artifactId

       项目名称

    • version

       项目的当前版本号

    • packaging

        项目的打包方式,最常见的是jar(接口调用)和war(项目部署)两种

    • scope

        用来控制依赖和编译,测试,运行classpath的关系。有一些属性可选

         compile:默认编译依赖范围。对编译,测试,运行三种都有效

         test:测试依赖范围。对测试的classpath有效

         provided:对于编译,测试的classpath都有效,但对于运行无效。例如servlet-api,Tomcat提供,Junit只需在测试的时候使用。

       

    一些常用的GAV坐标


    <!--junit-->
    <dependency>
        <groupId>junit</groupId>
        <artifactId>junit</artifactId>
        <version>4.11</version>
        <scope>test</scope>
    </dependency>
    
    <!-- spring--> 
    <!--全部导入--> 
    <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-web</artifactId>
                <version>4.0.2.RELEASE</version>
    </dependency>
    <!--指定导入-->
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-test</artifactId>  
        <version>4.0.2.RELEASE</version>  
        <scope>test</scope>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-core</artifactId>  
        <version>4.0.2.RELEASE</version>  
        <exclusions>  
            <exclusion>  
                <groupId>commons-logging</groupId>  
                <artifactId>commons-logging</artifactId>  
            </exclusion>  
        </exclusions>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-context</artifactId>  
        <version>4.0.2.RELEASE</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-beans</artifactId>  
        <version>4.0.2.RELEASE</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-expression</artifactId>  
        <version>4.0.2.RELEASE</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-aop</artifactId>  
        <version>4.0.2.RELEASE</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-aspects</artifactId>  
        <version>4.0.2.RELEASE</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-messaging</artifactId>  
        <version>4.0.2.RELEASE</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-instrument</artifactId>  
        <version>4.0.2.RELEASE</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-instrument-tomcat</artifactId>  
        <version>4.0.2.RELEASE</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-oxm</artifactId>  
        <version>4.0.2.RELEASE</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-jdbc</artifactId>  
        <version>4.0.2.RELEASE</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-orm</artifactId>  
        <version>4.0.2.RELEASE</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-tx</artifactId>  
        <version>4.0.2.RELEASE</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-jms</artifactId>  
        <version>4.0.2.RELEASE</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-web</artifactId>  
        <version>4.0.2.RELEASE</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-webmvc</artifactId>  
        <version>4.0.2.RELEASE</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-webmvc-portlet</artifactId>  
        <version>4.0.2.RELEASE</version>  
    </dependency>  
    <dependency>  
        <groupId>org.springframework</groupId>  
        <artifactId>spring-websocket</artifactId>  
        <version>4.0.2.RELEASE</version>  
    </dependency>  
    <dependency>  
        <groupId>aopalliance</groupId>  
        <artifactId>aopalliance</artifactId>  
        <version>1.0</version>  
    </dependency>  
    <dependency>  
        <groupId>org.aspectj</groupId>  
        <artifactId>aspectjweaver</artifactId>  
        <version>1.7.4</version>  
    </dependency>  
    
    <!-- JPA 2.0 --> 
    <dependency>  
        <groupId>org.hibernate</groupId>  
        <artifactId>hibernate-entitymanager</artifactId>  
        <version>4.3.3.Final</version>  
    </dependency> 
    
    <!--hibernate5.x -->
    <dependency>  
        <groupId>org.hibernate</groupId> 
        <artifactId>hibernate-core</artifactId> 
        <version>5.2.1.Final</version> 
    </dependency>
    
    <!-- 添加Log4J依赖 -->
    <dependency>
        <groupId>log4j</groupId>
        <artifactId>log4j</artifactId>
        <version>1.2.16</version>
    </dependency>
    
    <!--mybatis-->
    <dependency>  
        <groupId>org.mybatis</groupId>  
        <artifactId>mybatis</artifactId>  
        <version>3.2.5</version>  
    </dependency>  
    <dependency>  
        <groupId>org.mybatis</groupId>  
        <artifactId>mybatis-spring</artifactId>  
        <version>1.2.2</version>  
        <exclusions>  
            <exclusion>  
                <groupId>org.springframework</groupId>  
                <artifactId>spring-asm</artifactId>  
            </exclusion>  
            <exclusion>  
                <groupId>org.springframework</groupId>  
                <artifactId>spring-tx</artifactId>  
            </exclusion>  
            <exclusion>  
                <groupId>org.springframework</groupId>  
                <artifactId>spring-jdbc</artifactId>  
            </exclusion>  
            <exclusion>  
                <groupId>org.springframework</groupId>  
                <artifactId>spring-aop</artifactId>  
            </exclusion>  
            <exclusion>  
                <groupId>org.springframework</groupId>  
                <artifactId>spring-core</artifactId>  
            </exclusion>  
            <exclusion>  
                <groupId>org.springframework</groupId>  
                <artifactId>spring-context</artifactId>  
            </exclusion>  
        </exclusions>  
    </dependency>
    
    <!--dom4j-->
    <dependency>  
        <groupId>com.alibaba</groupId>  
        <artifactId>druid</artifactId>  
        <version>1.0.3</version>  
    </dependency> 
    
    <!--c3p0-->
    <dependency>  
        <groupId>c3p0</groupId>  
        <artifactId>c3p0</artifactId>  
        <version>0.9.1.2</version>  
    </dependency> 
    
    <!-- mysql数据库的驱动包 -->
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <version>5.1.6</version>
    </dependency>  
    
    <!--web项目-->
    <dependency>  
        <groupId>javax.servlet</groupId>  
        <artifactId>javax.servlet-api</artifactId>  
        <version>3.0.1</version>  
        <scope>provided</scope>  
    </dependency>  
    <dependency>  
        <groupId>javax.servlet</groupId>  
        <artifactId>jstl</artifactId>  
        <version>1.2</version>  
        <scope>provided</scope>  
    </dependency>  
    <dependency>  
        <groupId>taglibs</groupId>  
        <artifactId>standard</artifactId>  
        <version>1.1.2</version>  
        <scope>provided</scope>  
    </dependency>  
    <dependency>  
        <groupId>javax.servlet.jsp</groupId>  
        <artifactId>javax.servlet.jsp-api</artifactId>  
        <version>2.3.1</version>  
        <scope>provided</scope>  
    </dependency>  
    
    <!--apache-commons-->
    <dependency>  
        <groupId>org.apache.commons</groupId>  
        <artifactId>commons-lang3</artifactId>  
        <version>3.2.1</version>  
    </dependency>  
    <dependency>  
        <groupId>commons-io</groupId>  
        <artifactId>commons-io</artifactId>  
        <version>2.4</version>  
    </dependency>  
    <dependency>  
        <groupId>org.apache.commons</groupId>  
        <artifactId>commons-collections4</artifactId>  
        <version>4.0</version>  
    </dependency>  
    <dependency>  
        <groupId>commons-logging</groupId>  
        <artifactId>commons-logging</artifactId>  
        <version>1.1.3</version>  
    </dependency>  
    <dependency>  
        <groupId>commons-codec</groupId>  
        <artifactId>commons-codec</artifactId>  
        <version>1.8</version>  
    </dependency>  
    <dependency>  
        <groupId>commons-beanutils</groupId>  
        <artifactId>commons-beanutils</artifactId>  
        <version>1.8.3</version>  
    </dependency>  
    <dependency>  
        <groupId>commons-chain</groupId>  
        <artifactId>commons-chain</artifactId>  
        <version>1.2</version>  
    </dependency>  
    <dependency>  
        <groupId>commons-fileupload</groupId>  
        <artifactId>commons-fileupload</artifactId>  
        <version>1.3.1</version>  
    </dependency>  
    <dependency>  
        <groupId>org.apache.commons</groupId>  
        <artifactId>commons-math3</artifactId>  
        <version>3.2</version>  
    </dependency>  
    <dependency>  
        <groupId>org.apache.commons</groupId>  
        <artifactId>commons-pool2</artifactId>  
        <version>2.2</version>  
    </dependency>  
    <dependency>  
        <groupId>org.apache.commons</groupId>  
        <artifactId>commons-digester3</artifactId>  
        <version>3.2</version>  
    </dependency>  
    <dependency>  
        <groupId>commons-net</groupId>  
        <artifactId>commons-net</artifactId>  
        <version>3.3</version>  
    </dependency>  
    <dependency>  
        <groupId>commons-dbutils</groupId>  
        <artifactId>commons-dbutils</artifactId>  
        <version>1.5</version>  
    </dependency>  
    <dependency>  
        <groupId>org.apache.commons</groupId>  
        <artifactId>commons-email</artifactId>  
        <version>1.3.2</version>  
    </dependency> 
    <!--Struts--> <dependency> <groupId>org.apache.struts</groupId> <artifactId>struts2-core</artifactId> <version>2.5.13</version> </dependency> <!-- Oracle Jdbc Driver --> <dependency> <groupId>com.oracle</groupId> <artifactId>ojdbc14</artifactId> <version>10.2.0.4.0</version> </dependency> <!--Gson--> <dependency> <groupId>com.google.code.gson</groupId> <artifactId>gson</artifactId> <version>2.8.2</version> </dependency>

        

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  • 原文地址:https://www.cnblogs.com/lwjQAQ/p/10104767.html
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