自动创建基本代码

Posted 2020-08-25 KoKo

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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();

      }

      

   }



}