Settings for Maven plugins in Eclipse and related usage issues with MAVEN engineering in eclipse

1. Using Maven in Eclipse:

A, the Maven plugin in Eclipse is built-in.

b, settings for the Maven plugin, set two items in Windows----Preferences----Maven:

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Note: In installations, click Add ..., and then set your own apache-maven-3.2.2 installed as the installation directory.

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Note: In User Settings, set the Settings.xml file in the apache-maven-3.2.2/conf directory that you installed for yourself, and the Local repsitory directory will change as well.

2. Create a Java MAVEN project: (Create a Web project for subsequent replenishment)

A. Right-click in the package Explorer to create a new MAVEN project. (If right click does not exist, you can set it in window----Preferences--------------------------- Eclipse, as a familiar process, skilled skipped. ）

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b, check-to create a simple project (skip the Classic settings option), type GroupID, Artifactid, version content, and how to generate it, the Java project generates a jar package, and the Web project generates a war package.

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C, the generated Java engineering maven JRE System Library is version j2se-1.5, if you want to change to version j2se-1.7, you need to make some changes in the settings.xml file. (In fact, the 1.5 version is not much of a problem, that is, generics on the diamond can also appear in the problem.) ）

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Note: This file is the file in the Conf directory of the MAVEN core program you installed, add the following to the Profiles tag

    <profile>
        <id>jdk-1.7</id>
        <activation>
            <activebydefault>true</activebydefault>
            <jdk>1.7</jdk>
        </activation>
        <properties>
            < Maven.compiler.source>1.7</maven.compiler.source>
            <maven.compiler.target>1.7</maven.compiler.target>
             <maven.compiler.compilerversion>1.7</maven.compiler.compilerversion>
         </properties>
    </profile>

D. Re-create a Java MAVEN project after modification and find that the JRE System Library has been modified.

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3. Common commands for using MAVEN engineering in Eclipse: (In fact, it is very simple, the mouse points to Pom.xml, right-click, Run as can be displayed.) ）

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Note: If you need to compile the main program for this MAVEN project, click the second maven build ... After that, enter compile in the goals and click Run.

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Settings for Maven plugins in Eclipse and related usage issues with MAVEN engineering in eclipse