报错说找不到driver-class-name核对了很多次都没问题啊
报错:
D:\jdk1.8.0_121\bin\java.exe -Dmaven.multiModuleProjectDirectory=D:\mycode\demo_mybits\demo "-Dmaven.home=D:\software\idea\IntelliJ IDEA 2018.2.6\plugins\maven\lib\maven3" "-Dclassworlds.conf=D:\software\idea\IntelliJ IDEA 2018.2.6\plugins\maven\lib\maven3\bin\m2.conf" "-javaagent:D:\software\idea\IntelliJ IDEA 2018.2.6\lib\idea_rt.jar=7115:D:\software\idea\IntelliJ IDEA 2018.2.6\bin" -Dfile.encoding=UTF-8 -classpath "D:\software\idea\IntelliJ IDEA 2018.2.6\plugins\maven\lib\maven3\boot\plexus-classworlds-2.5.2.jar" org.codehaus.classworlds.Launcher -Didea.version=2018.2.6 mybatis-generator:generate -e
[INFO] Error stacktraces are turned on.
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building demo 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- mybatis-generator-maven-plugin:1.3.2:generate (default-cli) @ demo ---
[INFO] Connecting to the Database
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.637 s
[INFO] Finished at: 2019-11-11T09:52:35+08:00
[INFO] Final Memory: 14M/245M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.mybatis.generator:mybatis-generator-maven-plugin:1.3.2:generate (default-cli) on project demo: Execution default-cli of goal org.mybatis.generator:mybatis-generator-maven-plugin:1.3.2:generate failed: Exception getting JDBC Driver: {spring.datasource.driver-class-name} -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.mybatis.generator:mybatis-generator-maven-plugin:1.3.2:generate (default-cli) on project demo: Execution default-cli of goal org.mybatis.generator:mybatis-generator-maven-plugin:1.3.2:generate failed: Exception getting JDBC Driver
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:212)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:863)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:288)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:199)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
at org.codehaus.classworlds.Launcher.main(Launcher.java:47)
Caused by: org.apache.maven.plugin.PluginExecutionException: Execution default-cli of goal org.mybatis.generator:mybatis-generator-maven-plugin:1.3.2:generate failed: Exception getting JDBC Driver
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:145)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:207)
... 21 more
Caused by: java.lang.RuntimeException: Exception getting JDBC Driver
at org.mybatis.generator.internal.db.ConnectionFactory.getDriver(ConnectionFactory.java:85)
at org.mybatis.generator.internal.db.ConnectionFactory.getConnection(ConnectionFactory.java:54)
at org.mybatis.generator.config.Context.getConnection(Context.java:526)
at org.mybatis.generator.config.Context.introspectTables(Context.java:436)
at org.mybatis.generator.api.MyBatisGenerator.generate(MyBatisGenerator.java:222)
at org.mybatis.generator.maven.MyBatisGeneratorMojo.execute(MyBatisGeneratorMojo.java:203)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
... 22 more
Caused by: java.lang.ClassNotFoundException: {spring.datasource.driver-class-name}
at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:50)
at org.codehaus.plexus.classworlds.realm.ClassRealm.unsynchronizedLoadClass(ClassRealm.java:271)
at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:247)
at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:239)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:348)
at org.mybatis.generator.internal.ObjectFactory.internalClassForName(ObjectFactory.java:150)
at org.mybatis.generator.internal.ObjectFactory.externalClassForName(ObjectFactory.java:121)
at org.mybatis.generator.internal.db.ConnectionFactory.getDriver(ConnectionFactory.java:82)
... 28 more
[ERROR]
[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 read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginExecutionException
Process finished with exit code 1
application.properties
## 服务器端口,如果不配置默认是8080端口
server.port=9090
## 数据库设置
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
spring.datasource.url=jdbc:mysql://localhost:3306/boot_demo?serverTimezone=UTC&useUnicode=true&characterEncoding=utf8
spring.datasource.username=root
spring.datasource.password=x5
## mybatis配置
# 参数类型的包别名设置
mybatis.typeAliasesPackage=com.example.demo.model
# 指向映射xml文件目录
mybatis.mapperLocations=classpath:mapper/*.xml
pagehelper.helperDialect=mysql
pagehelper.reasonable=true
pagehelper.supportMethodsArguments=true
pagehelper.params=count=countSql
pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.2.0.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.example</groupId>
<artifactId>demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>demo</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>1.3.2</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper-spring-boot-starter</artifactId>
<version>1.2.10</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
<plugin>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-maven-plugin</artifactId>
<version>1.3.7</version>
<configuration>
<verbose>true</verbose>
<overwrite>true</overwrite>
</configuration>
<dependencies>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.18</version>
<scope>runtime</scope>
</dependency>
</dependencies>
</plugin>
</plugins>
</build>
</project>
generatorConfig.xml
<?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>
<!--导入配置文件-->
<properties resource="application.properties"></properties>
<!-- 一个数据库一个context -->
<context id="default">
<!-- 注释生成设置 -->
<commentGenerator>
<!-- 是否生成注释代时间戳-->
<property name="suppressDate" value="true" />
<!-- 是否取消注释 -->
<property name="suppressAllComments" value="true" />
</commentGenerator>
<!--jdbc的数据库连接-->
<jdbcConnection driverClass="{spring.datasource.driver-class-name}" connectionURL="{spring.datasource.url}" userId="{spring.datasource.username}" password="{spring.datasource.password}">
<property name="nullCatalogMeansCurrent" value="true" />
</jdbcConnection>
<!-- 类型转换 -->
<javaTypeResolver>
<!-- 是否使用bigDecimal, false可自动转化以下类型(Long, Integer, Short, etc.) -->
<property name="forceBigDecimals" value="false" />
</javaTypeResolver>
<!-- targetPackage:生成的实体类所在的包 -->
<!-- targetProject:生成的实体类所在的硬盘位置 -->
<javaModelGenerator targetPackage="com.example.demo.model" targetProject="src/main/java">
<!-- 是否允许子包 -->
<property name="enableSubPackages" value="false" />
<!-- 是否对modal添加构造函数 -->
<property name="constructorBased" value="true" />
<!-- 是否清理从数据库中查询出的字符串左右两边的空白字符 -->
<property name="trimStrings" value="true" />
<!-- 建立modal对象是否不可改变 即生成的modal对象不会有setter方法,只有构造方法 -->
<property name="immutable" value="false" />
</javaModelGenerator>
<!-- targetPackage 和 targetProject:生成的 mapper xml 文件的包和位置 -->
<sqlMapGenerator targetPackage="mapper" targetProject="src/main/resources">
<!-- 是否在当前路径下新加一层schema,ex:false路径com.qikegu.demo.model, com.qikegu.demo.model.[schemaName] -->
<property name="enableSubPackages" value="false" />
<!-- 是否针对string类型的字段在set的时候进行trim调用 -->
<property name="trimStrings" value="true"/>
</sqlMapGenerator>
<!-- targetPackage 和 targetProject:生成的 java interface 文件的包和位置 -->
<javaClientGenerator type="XMLMAPPER" targetPackage="com.example.demo.repository" targetProject="src/main/java">
<!-- 是否在当前路径下新加一层schema,ex:false路径com.qikegu.demo.model, com.qikegu.demo.model.[schemaName] -->
<property name="enableSubPackages" value="false" />
</javaClientGenerator>
<!-- 配置表信息 -->
<!-- schema即为数据库名 tableName为对应的数据库表 domainObjectName是要生成的实体类 enable*ByExample, 是否生成 example类 -->
<!-- 不同的表,修改tableName和domainObjectName就可以 -->
<table tableName="user" domainObjectName="User" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false">
</table>
</context>
</generatorConfiguration>