自动创建基本代码

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jar

mybatis-generator-core-1.3.2.jar

log4j-1.2.16.jar

log4j.properties

log4j.rootLogger=DEBUG, Console
#Console
log4j.appender.Console=org.apache.log4j.ConsoleAppender
log4j.appender.Console.layout=org.apache.log4j.PatternLayout
log4j.appender.Console.layout.ConversionPattern=%d [%t] %-5p [%c] - %m%n
log4j.logger.java.sql.ResultSet=INFO
log4j.logger.org.apache=INFO
log4j.logger.java.sql.Connection=DEBUG
log4j.logger.java.sql.Statement=DEBUG
log4j.logger.java.sql.PreparedStatement=DEBUG

 

gradle配置

group ‘org.zln.mybatis‘
version ‘1.0-SNAPSHOT‘

apply plugin: ‘java‘
sourceCompatibility = 1.8

repositories {
    mavenLocal()
    mavenCentral()
}

dependencies {

    compile fileTree(dir: ‘lib‘, include: [‘*.jar‘])

    compile group: ‘org.mybatis‘, name: ‘mybatis‘, version: ‘3.4.1‘
    compile group: ‘org.apache.commons‘, name: ‘commons-lang3‘, version: ‘3.4‘
    compile group: ‘mysql‘, name: ‘mysql-connector-java‘, version: ‘5.1.39‘

    compile group: ‘org.slf4j‘, name: ‘slf4j-api‘, version: ‘1.7.21‘
    compile group: ‘org.apache.logging.log4j‘, name: ‘log4j-slf4j-impl‘, version: ‘2.7‘
    compile group: ‘org.apache.logging.log4j‘, name: ‘log4j-core‘, version: ‘2.7‘
    compile group: ‘org.apache.logging.log4j‘, name: ‘log4j-api‘, version: ‘2.7‘


    testCompile group: ‘junit‘, name: ‘junit‘, version: ‘4.12‘


}

task mkdirs << {
    sourceSets*.java.srcDirs*.each { it.mkdirs() }
    sourceSets*.resources.srcDirs*.each { it.mkdirs() }
}

task listJars(description: ‘Display all compile jars.‘) << {
    configurations.compile.each { File file -> println file.name }
}

 

主配置文件

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>
   <context id="testTables" targetRuntime="MyBatis3">
      <commentGenerator>
         <!-- 是否去除自动生成的注释 true:是 : false:否 -->
         <property name="suppressAllComments" value="true" />
      </commentGenerator>
      <!--数据库连接的信息:驱动类、连接地址、用户名、密码 -->
      <jdbcConnection driverClass="com.mysql.jdbc.Driver"
         connectionURL="jdbc:mysql://localhost:3306/taotao?useSSL=false" userId="root"
         password="123456">
      </jdbcConnection>
      <!-- 默认false,把JDBC DECIMAL 和 NUMERIC 类型解析为 Integer,为 true时把JDBC DECIMAL 和
         NUMERIC 类型解析为java.math.BigDecimal -->
      <javaTypeResolver>
         <property name="forceBigDecimals" value="false" />
      </javaTypeResolver>

      <!-- targetProject:生成PO类的位置 -->
      <javaModelGenerator targetPackage="com.taotao.pojo"
         targetProject="src/main/java">
         <!-- enableSubPackages:是否让schema作为包的后缀 -->
         <property name="enableSubPackages" value="false" />
         <!-- 从数据库返回的值被清理前后的空格 -->
         <property name="trimStrings" value="true" />
      </javaModelGenerator>
        <!-- targetProject:mapper映射文件生成的位置 -->
      <sqlMapGenerator targetPackage="com.taotao.mapper"
         targetProject="src/main/resources">
         <!-- enableSubPackages:是否让schema作为包的后缀 -->
         <property name="enableSubPackages" value="false" />
      </sqlMapGenerator>
      <!-- targetPackage:mapper接口生成的位置 -->
      <javaClientGenerator type="XMLMAPPER"
         targetPackage="com.taotao.mapper"
         targetProject="src/main/java">
         <!-- enableSubPackages:是否让schema作为包的后缀 -->
         <property name="enableSubPackages" value="false" />
      </javaClientGenerator>
      <!-- 指定数据库表 -->
      <table schema="" tableName="tb_content"></table>
      <table schema="" tableName="tb_content_category"></table>
      <table schema="" tableName="tb_item"></table>
      <table schema="" tableName="tb_item_cat"></table>
      <table schema="" tableName="tb_item_desc"></table>
      <table schema="" tableName="tb_item_param"></table>
      <table schema="" tableName="tb_item_param_item"></table>
      <table schema="" tableName="tb_order"></table>
      <table schema="" tableName="tb_order_item"></table>
      <table schema="" tableName="tb_order_shipping"></table>
      <table schema="" tableName="tb_user"></table>

   </context>
</generatorConfiguration>

运行

GeneratorSqlmap

import java.io.File;
import java.util.ArrayList;
import java.util.List;

import org.mybatis.generator.api.MyBatisGenerator;
import org.mybatis.generator.config.Configuration;
import org.mybatis.generator.config.xml.ConfigurationParser;
import org.mybatis.generator.internal.DefaultShellCallback;

public class GeneratorSqlmap {

   public void generator() throws Exception{

      List<String> warnings = new ArrayList<>();
      boolean overwrite = true;
      //指定 逆向工程配置文件
      File configFile = new File("src/main/resources/generatorConfig.xml");
      System.out.println(configFile.getAbsolutePath());
      ConfigurationParser cp = new ConfigurationParser(warnings);
      Configuration config = cp.parseConfiguration(configFile);
      DefaultShellCallback callback = new DefaultShellCallback(overwrite);
      MyBatisGenerator myBatisGenerator = new MyBatisGenerator(config,callback, warnings);
      myBatisGenerator.generate(null);

   }
   public static void main(String[] args) throws Exception {
      try {
         GeneratorSqlmap generatorSqlmap = new GeneratorSqlmap();
         generatorSqlmap.generator();
      } catch (Exception e) {
         e.printStackTrace();
      }
     
   }

}

 

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