mybatis+SpringBoot逆向工程
准备:
1. mysql数据库里有建好的表
2.相关的开发环境
步骤:
1. 新建Maven项目
2. 在pom.xml里添加相关依赖和bulid插件
3. 编写mybatis逆向工程的配置文件 generatorConfig.xml
4. maven build
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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.rambo</groupId>
<artifactId>mbg</artifactId>
<version>0.0.1-SNAPSHOT</version>
<!-- 设置编码和Java版本 -->
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
<!-- 设置顶层SpringBoot版本号 -->
<dependencyManagement>
<dependencies>
<dependency>
<!-- Import dependency management from Spring Boot -->
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-dependencies</artifactId>
<version>2.0.1.RELEASE</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<!-- 测试模块 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<!-- 缓冲模块 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-cache</artifactId>
</dependency>
<!-- jdbc模块 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>
<!-- mybatis模块 -->
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>1.3.2</version>
</dependency>
<!-- mysql模块 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>
</dependencies>
<build>
<plugins>
<!-- SpringBoot插件 -->
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
<!-- mybatis逆向工程插件 -->
<plugin>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-maven-plugin</artifactId>
<version>1.3.5</version>
<configuration>
<configurationFile>src/main/resources/generatorConfig.xml</configurationFile>
<verbose>true</verbose>
<overwrite>true</overwrite>
</configuration>
<dependencies>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.46</version>
</dependency>
</dependencies>
</plugin>
</plugins>
</build>
</project>
generatorConfig.xml(放在src/main/resources文件夹下)
<?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>
<!--执行generator插件生成文件的命令: call mvn mybatis-generator:generate -e -->
<!-- 引入配置文件 -->
<!-- <properties resource="mybatis-generator/mybatisGeneratorinit.properties"/> -->
<!--classPathEntry:数据库的JDBC驱动,换成你自己的驱动位置 可选 -->
<!--<classPathEntry location="D:\generator_mybatis\mysql-connector-java-5.1.24-bin.jar" /> -->
<!-- 一个数据库一个context -->
<!--defaultModelType="flat" 大数据字段,不分表 -->
<context id="context1">
<!-- 自动识别数据库关键字,默认false,如果设置为true,根据SqlReservedWords中定义的关键字列表;
一般保留默认值,遇到数据库关键字(Java关键字),使用columnOverride覆盖 -->
<property name="autoDelimitKeywords" value="true" />
<!-- 生成的Java文件的编码 -->
<property name="javaFileEncoding" value="utf-8" />
<!-- beginningDelimiter和endingDelimiter:指明数据库的用于标记数据库对象名的符号,比如ORACLE就是双引号,MYSQL默认是`反引号; -->
<property name="beginningDelimiter" value="`" />
<property name="endingDelimiter" value="`" />
<!-- 格式化java代码 -->
<property name="javaFormatter" value="org.mybatis.generator.api.dom.DefaultJavaFormatter"/>
<!-- 格式化XML代码 -->
<property name="xmlFormatter" value="org.mybatis.generator.api.dom.DefaultXmlFormatter"/>
<plugin type="org.mybatis.generator.plugins.SerializablePlugin" />
<plugin type="org.mybatis.generator.plugins.ToStringPlugin" />
<commentGenerator>
<property name="suppressAllComments" value="true"/><!-- 是否取消注释 -->
<property name="suppressDate" value="true" /> <!-- 是否生成注释代时间戳-->
</commentGenerator>
<!-- jdbc连接 -->
<jdbcConnection driverClass="com.mysql.jdbc.Driver"
connectionURL="jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf-8"
userId="root" password="123456">
</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>
<!-- 生成的实体包路径,包含实体类和Example类(用来定制sql的) -->
<javaModelGenerator targetPackage="com.rambo.domain"
targetProject="src/main/java" />
<!-- 生成的Mapper.xml路径 -->
<sqlMapGenerator targetPackage="mybatis-mapping"
targetProject="src/main/resources" />
<!-- 生成的mapper类 -->
<javaClientGenerator targetPackage="com.rambo.dao"
targetProject="src/main/java" type="XMLMAPPER" />
<!-- table可以有多个,每个数据库中的表都可以写一个table,tableName表示要匹配的数据库表,-->
<!-- 也可以在tableName属性中通过使用%通配符来匹配所有数据库表,只有匹配的表才会自动生成文件 -->
<table schema="" tableName="tb_user" domainObjectName="User"
enableCountByExample="true" enableUpdateByExample="true"
enableDeleteByExample="true" enableSelectByExample="true"
selectByExampleQueryId="true">
<property name="useActualColumnNames" value="false" />
<generatedKey column="id" sqlStatement="JDBC" identity="true" />
</table>
</context>
</generatorConfiguration>