使用mybatis-generator插件生成postgresql数据库model、mapper、xml

<build>
    <plugins>
      <!-- mybatis generator 自动生成代码插件 -->
      <plugin>
        <groupId>org.mybatis.generator</groupId>
        <artifactId>mybatis-generator-maven-plugin</artifactId>
        <version>1.3.2</version>
        <configuration>
          <configurationFile>${basedir}/src/main/resources/generator/generatorConfig.xml</configurationFile>
          <overwrite>true</overwrite>
          <verbose>true</verbose>
        </configuration>
        <!-- 配置数据库链接及mybatis generator core依赖 生成mapper时使用 -->
        <dependencies>
          <dependency>
            <groupId>org.postgresql</groupId>
            <artifactId>postgresql</artifactId>
            <version>42.2.20</version>
          </dependency>
          <dependency>
            <groupId>org.mybatis.generator</groupId>
            <artifactId>mybatis-generator-core</artifactId>
            <version>1.3.2</version>
          </dependency>
        </dependencies>
      </plugin>
 
    </plugins>
  </build>

<?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">
<!-- 配置生成器 -->
<generatorConfiguration>
    <context id="DB2Tables" targetRuntime="MyBatis3">
 
        <commentGenerator>
            <property name="suppressDate" value="true"/>
            <!-- 是否去除自动生成的注释 true：是 ： false:否 -->
            <property name="suppressAllComments" value="true"/>
        </commentGenerator>
 
        <!-- 数据库链接URL，用户名、密码 -->
        <jdbcConnection driverClass="org.postgresql.Driver"
                        connectionURL="jdbc:postgresql://x.xxx.xx.xxx:5432/utscs_platform"
                        userId="xxxxx"
                        password="xxxxxxx">
        </jdbcConnection>
 
        <!-- 类型转换 -->
        <javaTypeResolver>
            <!-- 是否使用BigDecimals，false可自动转化以下类型(Long Integer Short等) -->
            <property name="forceBigDecimals" value="false"/>
        </javaTypeResolver>
 
        <!-- 生成模型的包名和位置-->
        <javaModelGenerator targetPackage="com.lets.utscs.platform.web.entity" targetProject="src/main/java">
            <property name="enableSubPackages" value="true"/>
            <property name="trimStrings" value="true"/>
        </javaModelGenerator>
 
        <!-- 生成映射文件的包名和位置-->
        <sqlMapGenerator targetPackage="mappers" targetProject="src/main/resources">
            <property name="enableSubPackages" value="true"/>
        </sqlMapGenerator>
 
        <!-- 生成DAO的包名和位置 -->
        <javaClientGenerator type="XMLMAPPER" targetPackage="com.lets.utscs.platform.web.mapper" targetProject="src/main/java">
            <property name="enableSubPackages" value="true"/>
        </javaClientGenerator>
 
        <!-- 要生成的表 tableName是数据库中的表名或视图名 domainObjectName是实体类名-->
 
        <table tableName="sys_alarm_data" domainObjectName="SysAlarmData" enableCountByExample="false"
               enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false"
               selectByExampleQueryId="false"></table>
        <table tableName="sys_center_control" domainObjectName="SysCenterControl" enableCountByExample="false"
               enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false"
               selectByExampleQueryId="false"></table>
        <table tableName="sys_date_schedule" domainObjectName="SysDateSchedule" enableCountByExample="false"
               enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false"
               selectByExampleQueryId="false"></table>
        <table tableName="sys_dept" domainObjectName="SysDept" enableCountByExample="false"
               enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false"
               selectByExampleQueryId="false"></table>
       
    </context>
 
</generatorConfiguration>

mybatis-generator:generate -e