MyBatis-generator常见错误（搞了半天没找到什么错，删了重新建了一下就好了，莫名奇妙）

MyBatis-generator常见错误（整合）
 

错误一：(property*,plugin*,commentGenerator?,(connectionFactory|jdbcConnection)

    [INFO] Building ssm01 Maven Webapp 1.0-SNAPSHOT
    [INFO] ------------------------------------------------------------------------
    [INFO]
    [INFO] --- mybatis-generator-maven-plugin:1.3.5:generate (default-cli) @ ssm01 ---
    [ERROR] XML Parser Error on line 71: 元素类型为 "context" 的内容必须匹配 "(property*,plugin*,commentGenerator?,(connectionFactory|jdbcConnection),javaTypeResolver?,javaModelGenerator,sqlMapGenerator?,javaClientGenerator?,table+)"。
    [INFO] ------------------------------------------------------------------------

这个问题我都被折腾了好久。因为我把这段代码的位置，移动了好几个地方，就是差一个地方没有移动到，于是就被折腾了好久。

解决：代码顺序问题！！

以下是正确的 myBatisGeneratorConfig.xml 文件

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE generatorConfiguration PUBLIC
        "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"
        "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd" >
<generatorConfiguration>
    <!-- 本地数据库驱动程序jar包的全路径  使用时改称自己的本地路径-->
    <classPathEntry location="D:/software/Mavenrepo/mysql/mysql-connector-java/5.1.44/mysql-connector-java-5.1.44.jar"/>
    <context id="context" targetRuntime="MyBatis3">
        <!--定义生成的java类的编码格式-->
        <property name="javaFileEncoding" value="UTF-8"/>
        
        <!--suppressAllComments 设置为true 则不再生成注释-->
        <commentGenerator>
            <property name="suppressAllComments" value="true" />
        </commentGenerator>

        <!-- 数据库的相关配置 -->
        <jdbcConnection
                driverClass="com.mysql.jdbc.Driver"
                connectionURL="jdbc:mysql://localhost:3306/ssm_crud"
                userId="root"
                password="123"/>

        <javaTypeResolver>
            <property name="forceBigDecimals" value="false"/>
        </javaTypeResolver>

        <!-- 实体类生成的位置 -->
        <javaModelGenerator targetPackage="com.ltq.model" targetProject="src/main/java">
            <property name="trimStrings" value="true"/>
        </javaModelGenerator>

        <!-- Mapper.xml 文件的位置 -->
        <sqlMapGenerator targetPackage="mapper" targetProject="src/main/resources">
        </sqlMapGenerator>

        <!-- Mapper 接口文件的位置 -->
        <javaClientGenerator targetPackage="com.ltq.mapper" targetProject="src/main/java" type="XMLMAPPER">
        </javaClientGenerator>

        <!-- table指定每个生成表的生成策略  表名 和 model实体类名-->
        <table tableName="tbl_emp" domainObjectName="Employee" enableSelectByExample="true"
               enableDeleteByExample="true" enableCountByExample="true"
               enableUpdateByExample="true" selectByExampleQueryId="true">
            <property name="ignoreQualifiersAtRuntime" value="false"/>
            <property name="useActualColumnNames" value="false"/>
        </table>
        <table tableName="tbl_dept" domainObjectName="Department" enableSelectByExample="true"
               enableDeleteByExample="true" enableCountByExample="true"
               enableUpdateByExample="true" selectByExampleQueryId="true">
            <property name="ignoreQualifiersAtRuntime" value="false"/>
            <property name="useActualColumnNames" value="false"/>
        </table>
    </context>
</generatorConfiguration>

错误二：Exception getting JDBC Driver: com.mysql.jdbc.Driver

[ERROR] Failed to execute goal org.mybatis.generator:mybatis-generator-maven-plugin:1.3.5:generate (default-cli) on project ssm01: Execution default-cli of goal org.mybatis.generator:mybatis-generator-maven-plugin:1.3.5:generate failed: Exception getting JDBC Driver: com.mysql.jdbc.Driver -> [Help 1]

问题接一连二，用maven mybatis插件，如果不在plugin里面添加依赖包得引用的话，会找不到相关得jar包

解决：在pom.xml中添加依赖

    <!-- mybatis-generator -->
            <plugin>
              <groupId>org.mybatis.generator</groupId>
              <artifactId>mybatis-generator-maven-plugin</artifactId>
              <version>${org.mybatis.generator.version}</version>
              <configuration>
                <verbose>true</verbose>
                <overwrite>true</overwrite>
              </configuration>
              <!--
                    用maven mybatis插件
                    如果不在plugin里面添加依赖包得引用的话，会找不到相关得jar包，
                    在plugin外部得jar包，他不会去找到并执行，
                    所以要把plugin运行依赖得jar配置都放在里面
                    -->
              <dependencies>
                <dependency>
                  <groupId>org.mybatis</groupId>
                  <artifactId>mybatis</artifactId>
                  <version>${com.mybatis.mybatis.version}</version>
                </dependency>
                <dependency>
                  <groupId>mysql</groupId>
                  <artifactId>mysql-connector-java</artifactId>
                  <version>${mysql.version}</version>
                </dependency>
              </dependencies>
            </plugin>