• 将 Maven生成的java项目转化为支持 Eclipse IDE的项目

    转自： http://www.xuebuyuan.com/1297046.html

    将 Maven生成的java项目转化为支持 Eclipse IDE的项目
     

    在前一篇文章中，我们使用maven创建了一个java 项目， 但是这个项目不能导入 Eclipse IDE, 因为它不是 Eclipse style的项目。

    Here’s a guide to show you how to convert the Maven generated Java project to Eclipse supported style project.

    1. mvn eclipse:eclipse
    It’s really easy to do it. Navigate to your Java project folder, where pom.xml file
    is placed. And issue this command :
     
    1. mvn eclipse:eclipse
    完整的运行情况，可能像这样：
    1. C:Usersadminhenrycublog>mvn eclipse:eclipse
    2. [INFO] Scanning for projects...
    3. Downloading: http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-eclips
    4. e-plugin/maven-metadata.xml
    5. Downloaded: http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-eclipse
    6. -plugin/maven-metadata.xml (680 B at 0.2 KB/sec)
    7. Downloading: http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-eclips
    8. e-plugin/2.8/maven-eclipse-plugin-2.8.pom
    9. Downloaded: http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-eclipse
    10. -plugin/2.8/maven-eclipse-plugin-2.8.pom (12 KB at 3.7 KB/sec)
    11. Downloading: http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-plugin
    12. s/17/maven-plugins-17.pom
    13. Downloaded: http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-plugins
    14. /17/maven-plugins-17.pom (13 KB at 8.6 KB/sec)
    15. Downloading: http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-eclips
    16. e-plugin/2.8/maven-eclipse-plugin-2.8.jar
    17. Downloaded: http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-eclipse
    18. -plugin/2.8/maven-eclipse-plugin-2.8.jar (202 KB at 5.4 KB/sec)
    19. [INFO]
    20. [INFO] ------------------------------------------------------------------------
    21. [INFO] Building henrycublog 1.0-SNAPSHOT
    22. [INFO] ------------------------------------------------------------------------
    23. [INFO]
    24. [INFO] >>> maven-eclipse-plugin:2.8:eclipse (default-cli) @ henrycublog >>>
    25. [INFO]
    26. [INFO] <<< maven-eclipse-plugin:2.8:eclipse (default-cli) @ henrycublog <<<
    27. [INFO]
    28. [INFO] --- maven-eclipse-plugin:2.8:eclipse (default-cli) @ henrycublog ---
    29. Downloading: http://repo1.maven.org/maven2/org/codehaus/plexus/plexus-interactiv
    30. ity-jline/1.0-alpha-5/plexus-interactivity-jline-1.0-alpha-5.pom
    31. Downloaded: http://repo1.maven.org/maven2/org/codehaus/plexus/plexus-interactivi
    32. ty-jline/1.0-alpha-5/plexus-interactivity-jline-1.0-alpha-5.pom (772 B at 0.7 KB
    33. /sec)
    34. Downloading: http://repo1.maven.org/maven2/jline/jline/0.9.1/jline-0.9.1.pom
    35. Downloaded: http://repo1.maven.org/maven2/jline/jline/0.9.1/jline-0.9.1.pom (145
    36. B at 0.1 KB/sec)
    37. Downloading: http://repo1.maven.org/maven2/org/apache/maven/maven-archiver/2.2/m
    38. aven-archiver-2.2.pom
    39. Downloaded: http://repo1.maven.org/maven2/org/apache/maven/maven-archiver/2.2/ma
    40. ven-archiver-2.2.pom (2 KB at 1.3 KB/sec)
    41. Downloading: http://repo1.maven.org/maven2/org/apache/maven/shared/maven-shared-
    42. components/3/maven-shared-components-3.pom
    43. Downloaded: http://repo1.maven.org/maven2/org/apache/maven/shared/maven-shared-c
    44. omponents/3/maven-shared-components-3.pom (2 KB at 2.0 KB/sec)
    45. Downloading: http://repo1.maven.org/maven2/org/codehaus/plexus/plexus-resources/
    46. 1.0-alpha-7/plexus-resources-1.0-alpha-7.pom
    47. Downloaded: http://repo1.maven.org/maven2/org/codehaus/plexus/plexus-resources/1
    48. .0-alpha-7/plexus-resources-1.0-alpha-7.pom (2 KB at 1.3 KB/sec)
    49. Downloading: http://repo1.maven.org/maven2/biz/aQute/bndlib/0.0.145/bndlib-0.0.1
    50. 45.pom
    51. Downloaded: http://repo1.maven.org/maven2/biz/aQute/bndlib/0.0.145/bndlib-0.0.14
    52. 5.pom (886 B at 0.7 KB/sec)
    53. Downloading: http://repo1.maven.org/maven2/org/apache/maven/shared/maven-osgi/0.
    54. 2.0/maven-osgi-0.2.0.pom
    55. Downloaded: http://repo1.maven.org/maven2/org/apache/maven/shared/maven-osgi/0.2
    56. .0/maven-osgi-0.2.0.pom (2 KB at 2.0 KB/sec)
    57. Downloading: http://repo1.maven.org/maven2/biz/aQute/bndlib/0.0.203/bndlib-0.0.2
    58. 03.pom
    59. Downloaded: http://repo1.maven.org/maven2/biz/aQute/bndlib/0.0.203/bndlib-0.0.20
    60. 3.pom (886 B at 0.7 KB/sec)
    61. Downloading: http://repo1.maven.org/maven2/org/eclipse/core/resources/3.3.0-v200
    62. 70604/resources-3.3.0-v20070604.pom
    63. Downloaded: http://repo1.maven.org/maven2/org/eclipse/core/resources/3.3.0-v2007
    64. 0604/resources-3.3.0-v20070604.pom (2 KB at 1.1 KB/sec)
    65. Downloading: http://repo1.maven.org/maven2/org/codehaus/plexus/plexus-interactiv
    66. ity-jline/1.0-alpha-5/plexus-interactivity-jline-1.0-alpha-5.jar
    67. Downloading: http://repo1.maven.org/maven2/jline/jline/0.9.1/jline-0.9.1.jar
    68. Downloading: http://repo1.maven.org/maven2/org/apache/maven/maven-archiver/2.2/m
    69. aven-archiver-2.2.jar
    70. Downloading: http://repo1.maven.org/maven2/org/codehaus/plexus/plexus-resources/
    71. 1.0-alpha-7/plexus-resources-1.0-alpha-7.jar
    72. Downloading: http://repo1.maven.org/maven2/biz/aQute/bndlib/0.0.145/bndlib-0.0.1
    73. 45.jar
    74. Downloaded: http://repo1.maven.org/maven2/org/codehaus/plexus/plexus-interactivi
    75. ty-jline/1.0-alpha-5/plexus-interactivity-jline-1.0-alpha-5.jar (6 KB at 5.4 KB/
    76. sec)
    77. Downloading: http://repo1.maven.org/maven2/org/apache/maven/shared/maven-osgi/0.
    78. 2.0/maven-osgi-0.2.0.jar
    79. Downloaded: http://repo1.maven.org/maven2/org/apache/maven/shared/maven-osgi/0.2
    80. .0/maven-osgi-0.2.0.jar (13 KB at 6.8 KB/sec)
    81. Downloading: http://repo1.maven.org/maven2/org/eclipse/core/resources/3.3.0-v200
    82. 70604/resources-3.3.0-v20070604.jar
    83. Downloaded: http://repo1.maven.org/maven2/org/codehaus/plexus/plexus-resources/1
    84. .0-alpha-7/plexus-resources-1.0-alpha-7.jar (23 KB at 5.1 KB/sec)
    85. Downloaded: http://repo1.maven.org/maven2/org/apache/maven/maven-archiver/2.2/ma
    86. ven-archiver-2.2.jar (10 KB at 1.5 KB/sec)
    87. Downloaded: http://repo1.maven.org/maven2/biz/aQute/bndlib/0.0.145/bndlib-0.0.14
    88. 5.jar (112 KB at 6.5 KB/sec)
    89. Downloaded: http://repo1.maven.org/maven2/jline/jline/0.9.1/jline-0.9.1.jar (46
    90. KB at 2.6 KB/sec)
    91. Downloaded: http://repo1.maven.org/maven2/org/eclipse/core/resources/3.3.0-v2007
    92. 0604/resources-3.3.0-v20070604.jar (663 KB at 6.5 KB/sec)
    93. [INFO] Using Eclipse Workspace: null
    94. [INFO] Adding default classpath container: org.eclipse.jdt.launching.JRE_CONTAIN
    95. ER
    96. [INFO] Not writing settings - defaults suffice
    97. [INFO] Wrote Eclipse project for "henrycublog" to C:Usersadminhenrycublog.
    98. [INFO]
    99. [INFO] ------------------------------------------------------------------------
    100. [INFO] BUILD SUCCESS
    101. [INFO] ------------------------------------------------------------------------
    102. [INFO] Total time: 2:48.142s
    103. [INFO] Finished at: Wed Nov 09 11:31:54 CST 2011
    104. [INFO] Final Memory: 8M/58M
    105. [INFO] ------------------------------------------------------------------------
    106. C:Usersadminhenrycublog>

    Note
    If this is your first time to run this command, it may take some time to download all required dependency to convert your project to Eclipse style project.

     
    2. Verify Java Project

    After that, you will notice two new files are created – “.classpath” and “.project“. Both files are created for Eclipse IDE.

    File : .classpath

    1. <classpath>
    2. <classpathentry kind="src" path="src/test/java" output="target/test-classes" including="**/*.java"/>
    3. <classpathentry kind="src" path="src/main/java" including="**/*.java"/>
    4. <classpathentry kind="output" path="target/classes"/>
    5. <classpathentry kind="var" path="M2_REPO/junit/junit/3.8.1/junit-3.8.1.jar"/>
    6. <classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
    7. </classpath>

    Wait, M2_REPO !?
    Did you notice a “M2_REPO” classpath variable is generated? For first time, you have to add
    this M2_REPO classpath variable to your Eclipse IDE    . Otherwise, Eclipse will raise error about your imported project later.

    当然，如果你已经安装了maven eclipse插件，那就很简单了。window>Preferences>Maven>Installations>Add(添加你的maven安装位置)

    如果你没有安装Maven插件，按以下方法添加M2_REPO:

    Define and add M2_REPO classpath variable manually to Eclipse IDE. Follow below steps :

    1. Eclipse IDE, menu bar
    2. Select Window > Preferences
    3. Select Java > Build Path > Classpath Variables
    4. Click on the new button > defined a new M2_REPO variable and point it to your local Maven repository

    Done.

    File : .project

    1. <projectDescription>
    2. <name>henrycublog</name>
    3. <comment>NO_M2ECLIPSE_SUPPORT: Project files created with the maven-eclipse-plugin are not supported in M2Eclipse.</comment>
    4. <projects/>
    5. <buildSpec>
    6. <buildCommand>
    7. <name>org.eclipse.jdt.core.javabuilder</name>
    8. </buildCommand>
    9. </buildSpec>
    10. <natures>
    11. <nature>org.eclipse.jdt.core.javanature</nature>
    12. </natures>
    13. </projectDescription>

    3. Import into Eclipse IDE

    Now, import it into Eclipse IDE, follow below steps :

    In Eclipse IDE, menu bar , File -> Import… -> General -> Existing Projects into Workspace -> select root directory (select your project folder) -> Done.
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  • 原文地址：https://www.cnblogs.com/alicegu2009/p/6050094.html
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