数据库表
SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;
-- ----------------------------
-- Table structure for tb_account
-- ----------------------------
DROP TABLE IF EXISTS `tb_account`;
CREATE TABLE `tb_account` (
`id` int(0) NOT NULL AUTO_INCREMENT,
`user_name` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
`password` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
`game_id` int(0) NOT NULL,
PRIMARY KEY (`id`) USING BTREE,
INDEX `game_id`(`game_id`) USING BTREE,
CONSTRAINT `tb_account_ibfk_1` FOREIGN KEY (`game_id`) REFERENCES `tb_game` (`id`) ON DELETE RESTRICT ON UPDATE RESTRICT
) ENGINE = InnoDB AUTO_INCREMENT = 5 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;
-- ----------------------------
-- Table structure for tb_game
-- ----------------------------
DROP TABLE IF EXISTS `tb_game`;
CREATE TABLE `tb_game` (
`id` int(0) NOT NULL AUTO_INCREMENT,
`name` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
`type` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
`operator` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 2 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;
-- ----------------------------
-- Table structure for tb_player
-- ----------------------------
DROP TABLE IF EXISTS `tb_player`;
CREATE TABLE `tb_player` (
`id` int(0) NOT NULL AUTO_INCREMENT,
`name` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
`age` int(0) NULL DEFAULT NULL,
`sex` int(0) NULL DEFAULT NULL,
PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 2 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;
-- ----------------------------
-- Table structure for tb_player_game
-- ----------------------------
DROP TABLE IF EXISTS `tb_player_game`;
CREATE TABLE `tb_player_game` (
`player_id` int(0) NOT NULL DEFAULT 0,
`game_id` int(0) NOT NULL DEFAULT 0,
PRIMARY KEY (`player_id`, `game_id`) USING BTREE,
INDEX `game_id`(`game_id`) USING BTREE,
CONSTRAINT `tb_player_game_ibfk_1` FOREIGN KEY (`player_id`) REFERENCES `tb_player` (`id`) ON DELETE RESTRICT ON UPDATE RESTRICT,
CONSTRAINT `tb_player_game_ibfk_2` FOREIGN KEY (`game_id`) REFERENCES `tb_game` (`id`) ON DELETE RESTRICT ON UPDATE RESTRICT
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;
-- ----------------------------
-- Table structure for tb_role
-- ----------------------------
DROP TABLE IF EXISTS `tb_role`;
CREATE TABLE `tb_role` (
`id` int(0) NOT NULL AUTO_INCREMENT,
`profession` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
`rank` int(0) NULL DEFAULT NULL,
`money` int(0) NULL DEFAULT NULL,
`account_id` int(0) NOT NULL,
PRIMARY KEY (`id`) USING BTREE,
UNIQUE INDEX `account_id`(`account_id`) USING BTREE,
CONSTRAINT `tb_role_ibfk_1` FOREIGN KEY (`account_id`) REFERENCES `tb_account` (`id`) ON DELETE RESTRICT ON UPDATE RESTRICT
) ENGINE = InnoDB AUTO_INCREMENT = 4 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;
SET FOREIGN_KEY_CHECKS = 1;
Maven 依赖包
<?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.dtinone</groupId>
<artifactId>MyBatisGenertorDemo</artifactId>
<version>1.0-SNAPSHOT</version>
<dependencies>
<!-- 导入 MyBatis 依赖包-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.2.8</version>
</dependency>
<!-- mysql jdbc驱动依赖包-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.15</version>
</dependency>
<!-- lombok 依赖包-->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.4</version>
</dependency>
<!-- log4j 日志依赖包-->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.7.5</version>
</dependency>
<!-- junit 单元测试依赖包-->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
</dependency>
<!-- MyBatis Generator 依赖包-->
<dependency>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-core</artifactId>
<version>1.3.7</version>
</dependency>
</dependencies>
<!--添加 Maven Generator 插件-->
<build>
<plugins>
<plugin>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-maven-plugin</artifactId>
<version>1.3.7</version>
<configuration>
<configurationFile>src/main/resources/generatorConfig.xml</configurationFile>
<verbose>true</verbose>
<overwrite>true</overwrite>
</configuration>
</plugin>
</plugins>
</build>
</project>
MyBatisGenerator配置模版
<?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>
<!--指定特定数据库的jdbc驱动jar包的位置-->
<classPathEntry location="F:\Program Files\maven-3.5.4\.m2\repository\mysql\mysql-connector-java\8.0.15\mysql-connector-java-8.0.15.jar"/>
<context id="default" targetRuntime="MyBatis3">
<plugin type="org.mybatis.generator.plugins.ToStringPlugin"></plugin>
<!-- optional，旨在创建class时，对注释进行控制 -->
<commentGenerator>
<property name="suppressDate" value="true"/>
<property name="suppressAllComments" value="true"/>
<property name="javaFileEncoding" value="UTF-8"/>
</commentGenerator>
<!--jdbc的数据库连接，直接写死也可以 -->
<jdbcConnection
driverClass="com.mysql.cj.jdbc.Driver"
connectionURL="jdbc:mysql://localhost:3306/mybatis?characterEncoding=utf8&serverTimezone=UTC&allowMultiQueries=true"
userId="root"
password="123456">
</jdbcConnection>
<!-- 非必需，类型处理器，在数据库类型和java类型之间的转换控制-->
<javaTypeResolver>
<property name="forceBigDecimals" value="false"/>
</javaTypeResolver>
<!-- Model模型生成器,用来生成含有主键key的类，记录类 以及查询Example类
targetPackage 指定生成的model生成所在的包名
targetProject 指定在该项目下所在的路径
-->
<javaModelGenerator targetPackage="entity" targetProject="src/main/java">
<!-- 是否允许子包，即targetPackage.schemaName.tableName -->
<property name="enableSubPackages" value="false"/>
<!-- 是否对model添加 构造函数 -->
<property name="constructorBased" value="false"/>
<!-- 建立的Model对象是否 不可改变 即生成的Model对象不会有 setter方法，只有构造方法 -->
<property name="immutable" value="false"/>
<!-- 设置是否在getter方法中，对String类型字段调用trim()方法 -->
<property name="trimStrings" value="false"/>
</javaModelGenerator>
<!--mapper映射文件生成所在的目录 为每一个数据库的表生成对应的SqlMap文件 -->
<sqlMapGenerator targetPackage="mappers" targetProject="src/main/resources">
<property name="enableSubPackages" value="false"/>
</sqlMapGenerator>
<!-- 客户端代码，生成易于使用的针对Model对象和XML配置文件 的代码
type="ANNOTATEDMAPPER",生成Java Model 和基于注解的Mapper对象
type="MIXEDMAPPER",生成基于注解的Java Model 和相应的Mapper对象
type="XMLMAPPER",生成SQLMap XML文件和独立的Mapper接口
-->
<!-- targetPackage：mapper接口dao生成的位置 -->
<javaClientGenerator type="XMLMAPPER" targetPackage="mapper" targetProject="src/main/java">
<!-- enableSubPackages:是否让schema作为包的后缀 -->
<property name="enableSubPackages" value="false" />
</javaClientGenerator>
<table tableName="tb_role"
domainObjectName="RoleEntity"
enableCountByExample="false"
enableUpdateByExample="false"
enableDeleteByExample="false"
enableSelectByExample="false"
selectByExampleQueryId="false">
<!-- 上面的属性都可以使用子标签形式表示 -->
<!-- 是否使用真实字段名，设置为false将自动驼峰转换 -->
<property name="useActualColumnNames" value="false" />
<!-- 还可以对表中的字段进行类型转换 -->
<!-- 这里转换的原因是会自动将个位的int值自动转化为Boolean，所以指定为Integer -->
<columnOverride column="sex" javaType="Integer"/>
</table>
<table tableName="tb_account" domainObjectName="AccountEntity" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false"></table>
<table tableName="tb_game" domainObjectName="GameEntity" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false"></table>
<table tableName="tb_player" domainObjectName="PlayerEntity" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false"></table>
</context>
</generatorConfiguration>
