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();
}
}
}
