用用maven 建项目

默认创建个java
>mvn archetype:generate
贴命令后信息：

1: internal -> appfuse-basic-jsf (AppFuse archetype for creating a web application with Hibernate, Spring and JSF)
2: internal -> appfuse-basic-spring (AppFuse archetype for creating a web application with Hibernate, Spring and Spring MVC)
3: internal -> appfuse-basic-struts (AppFuse archetype for creating a web application with Hibernate, Spring and Struts 2)
4: internal -> appfuse-basic-tapestry (AppFuse archetype for creating a web application with Hibernate, Spring and Tapestry 4)
5: internal -> appfuse-core (AppFuse archetype for creating a jar application with Hibernate and Spring and XFire)
6: internal -> appfuse-modular-jsf (AppFuse archetype for creating a modular application with Hibernate, Spring and JSF)
7: internal -> appfuse-modular-spring (AppFuse archetype for creating a modular application with Hibernate, Spring and Spring MVC)
8: internal -> appfuse-modular-struts (AppFuse archetype for creating a modular application with Hibernate, Spring and Struts 2)
9: internal -> appfuse-modular-tapestry (AppFuse archetype for creating a modular application with Hibernate, Spring and Tapestry 4)
10: internal -> maven-archetype-j2ee-simple (A simple J2EE Java application)
11: internal -> maven-archetype-marmalade-mojo (A Maven plugin development project using marmalade)
12: internal -> maven-archetype-mojo (A Maven Java plugin development project)
13: internal -> maven-archetype-portlet (A simple portlet application)
14: internal -> maven-archetype-profiles ()
15: internal -> maven-archetype-quickstart ()
16: internal -> maven-archetype-site-simple (A simple site generation project)
17: internal -> maven-archetype-site (A more complex site project)
18: internal -> maven-archetype-webapp (A simple Java web application)
19: internal -> jini-service-archetype (Archetype for Jini service project creation)
20: internal -> softeu-archetype-seam (JSF+Facelets+Seam Archetype)
21: internal -> softeu-archetype-seam-simple (JSF+Facelets+Seam (no persistence) Archetype)
22: internal -> softeu-archetype-jsf (JSF+Facelets Archetype)
23: internal -> jpa-maven-archetype (JPA application)
24: internal -> spring-osgi-bundle-archetype (Spring-OSGi archetype)
25: internal -> confluence-plugin-archetype (Atlassian Confluence plugin archetype)
26: internal -> jira-plugin-archetype (Atlassian JIRA plugin archetype)
27: internal -> maven-archetype-har (Hibernate Archive)
28: internal -> maven-archetype-sar (JBoss Service Archive)
29: internal -> wicket-archetype-quickstart (A simple Apache Wicket project)
30: internal -> scala-archetype-simple (A simple scala project)
31: internal -> lift-archetype-blank (A blank/empty liftweb project)
32: internal -> lift-archetype-basic (The basic (liftweb) project)
33: internal -> cocoon-22-archetype-block-plain ([http://cocoon.apache.org/2.2/maven-plugins/])
34: internal -> cocoon-22-archetype-block ([http://cocoon.apache.org/2.2/maven-plugins/])
35: internal -> cocoon-22-archetype-webapp ([http://cocoon.apache.org/2.2/maven-plugins/])
36: internal -> myfaces-archetype-helloworld (A simple archetype using MyFaces)
37: internal -> myfaces-archetype-helloworld-facelets (A simple archetype using MyFaces and facelets)
38: internal -> myfaces-archetype-trinidad (A simple archetype using Myfaces and Trinidad)
39: internal -> myfaces-archetype-jsfcomponents (A simple archetype for create custom JSF components using MyFaces)
40: internal -> gmaven-archetype-basic (Groovy basic archetype)
41: internal -> gmaven-archetype-mojo (Groovy mojo archetype)
Choose a number:  (1/2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23/24/25/26/27/28/29/30/31/32/33/34/35/36/37/38/39/40/41) 15:

* 输入需要创建的项目,这里创建普通java项目,按照选择输入15,默认就可以了;
* Define value for groupId:输入组织ID;
* Define value for groupId:输入项目名称;
* Define value for version:输入版本号,可以直接回车,默认是1.0-SNAPSHOT;
* Define value for package:java的包名,如com.组织ID.项目名（个爱好较好）;

完成以上输入后,命令行显示以上信息,输入y即完成创建.

创建完成给IDE赋值，俺用eclipse

>mvn eclipse:eclipse -DdownloadSources=true -DdownloadJavadocs=true -DjdkLevel=1.6

用起来还是蛮爽的。