Unknown lifecycle phase "mybatis-generator-generate"

1、错误描述

Microsoft Windows [版本 6.1.7601]
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C:UsersAdministrator>mvn mybatis-generator-generate
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 0.161 s
[INFO] Finished at: 2016-03-03T22:48:36+08:00
[INFO] Final Memory: 7M/171M
[INFO] ------------------------------------------------------------------------
[ERROR] The goal you specified requires a project to execute but there is no POM
 in this directory (C:UsersAdministrator). Please verify you invoked Maven fro
m the correct directory. -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e swit
ch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please rea
d the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MissingProject
Exception

C:UsersAdministrator>cd F:workspacesMybatis

C:UsersAdministrator>f:

F:workspacesMybatis>mvn mybatis-generator-generate
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building Mybatis 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 0.141 s
[INFO] Finished at: 2016-03-03T22:49:53+08:00
[INFO] Final Memory: 7M/171M
[INFO] ------------------------------------------------------------------------
[ERROR] Unknown lifecycle phase "mybatis-generator-generate". You must specify a
 valid lifecycle phase or a goal in the format <plugin-prefix>:<goal> or <plugin
-group-id>:<plugin-artifact-id>[:<plugin-version>]:<goal>. Available lifecycle p
hases are: validate, initialize, generate-sources, process-sources, generate-res
ources, process-resources, compile, process-classes, generate-test-sources, proc
ess-test-sources, generate-test-resources, process-test-resources, test-compile,
 process-test-classes, test, prepare-package, package, pre-integration-test, int
egration-test, post-integration-test, verify, install, deploy, pre-clean, clean,
 post-clean, pre-site, site, post-site, site-deploy. -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e swit
ch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please rea
d the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/LifecyclePhase
NotFoundException

F:workspacesMybatis>

2、错误原因

     pom.xml：

<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>com.you.mybatis</groupId>
  <artifactId>Mybatis</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>war</packaging>
  
  <build>
  	  <plugins>
	  	  <plugin>
		    <groupId>org.mybatis.generator</groupId>
		    <artifactId>mybatis-generator-maven-plugin</artifactId>
		    <version>1.3.2</version>
		    <configuration>
		        <configurationFile>src/main/resources/generatorConfig.xml</configurationFile>
		        <verbose>true</verbose>
		        <overwrite>true</overwrite>
		    </configuration>
		    <executions>
		        <execution>
		        	<id>generate</id>
		        	<goals>
		        	   <goal>generate</goal>
		        	</goals>
		        </execution>
		    </executions>
		    <dependencies>
		        <dependency>
		            <groupId>org.mybatis.generator</groupId>
		            <artifactId>mybatis-generator-core</artifactId>
		            <version>1.3.2</version>
		        </dependency>
		    </dependencies>
		</plugin>
	  </plugins>
  </build>
</project>

          Maven命令出现错误

3、解决办法

     修改命令

     mvn mybatis-generator:generate