<?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><!--指定数据库jar包 --><classPathEntry location="G:/jar/mysql-connector-java-5.1.37-bin.jar" /><context id="DB2Tables" targetRuntime="MyBatis3"><commentGenerator><!-- 是否去除自动生成的注释 true：是 ： false:否 --><property name="suppressAllComments" value="true" /></commentGenerator><!--JDBC连接配置，driver,url,user,password --><jdbcConnection driverClass="com.mysql.jdbc.Driver"connectionURL="jdbc:mysql://localhost:3306/mybatis?character=utf8"userId="root" password="root"></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.mybatis.po"targetProject=".\src"><property name="enableSubPackages" value="false" /><property name="trimStrings" value="true" /></javaModelGenerator><!-- targetProject:mapper映射文件生成的位置 --><sqlMapGenerator targetPackage="com.pb.mybatis.mapping"targetProject=".\src"><!-- 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" /></sqlMapGenerator><!-- targetPackage：mapper接口生成的位置 --><javaClientGenerator type="XMLMAPPER"targetPackage="com.pb.mybatis.mapper" targetProject=".\src"><!-- enableSubPackages:是否让schema作为包的后缀 --><property name="enableSubPackages" value="false" /></javaClientGenerator><!--指定要生成的表  --><table tableName="author"></table><table tableName="blog"></table><table tableName="posts"></table></context></generatorConfiguration>

import java.io.File;
import java.io.IOException;
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.exception.XMLParserException;
import org.mybatis.generator.internal.DefaultShellCallback;public class GeneratorSqlmap {public void generator() throws Exception{List<String> warnings = new ArrayList<String>();boolean overwrite = true;//指定 逆向工程配置文件File configFile = new File("generatorConfig.xml"); 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();}}}

package com.pb.ssm.mapper;import static org.junit.Assert.fail;import java.util.Date;
import java.util.List;import javax.crypto.Cipher;import org.junit.Before;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;import com.pb.ssm.po.Author;
import com.pb.ssm.po.AuthorExample;
import com.pb.ssm.po.AuthorExample.Criteria;public class AuthorMapperTest {private ApplicationContext applicationContext;private AuthorMapper authorMapper;@Beforepublic void setUp() throws Exception {applicationContext=new ClassPathXmlApplicationContext("ApplicationContext.xml");authorMapper=(AuthorMapper) applicationContext.getBean("authorMapper");}//根据条件查询记录数
    @Testpublic void testCountByExample() {AuthorExample example=new AuthorExample();//可以加条件，不加条件默认查询全部Criteria criteria=example.createCriteria();//加条件，介绍不是空的
        criteria.andAuthorBioIsNotNull();int num=authorMapper.countByExample(example);System.out.println("num="+num);}//根据条件删除
    @Testpublic void testDeleteByExample() {AuthorExample example=new AuthorExample();//可以加条件，不加条件默认查询全部Criteria criteria=example.createCriteria();criteria.andAuthorUsernameEqualTo("程序员");int num=authorMapper.deleteByExample(example);System.out.println("num="+num);}//根据主键ID删除
    @Testpublic void testDeleteByPrimaryKey() {int num=authorMapper.deleteByPrimaryKey(18);System.out.println("num="+num);}//插入
    @Testpublic void testInsert() {Author author=new Author();author.setAuthorUsername("再测试一下");author.setAuthorPassword("admin123");author.setAuthorEmail("admin1234@qq.com");int num=authorMapper.insert(author);System.out.println("num="+num);//这个方法插入，默认不会把数据库自增加ID返回，如果需要，可以手动增加System.out.println("插入后的ID"+author.getAuthorId());}//插入
    @Testpublic void testInsertSelective() {Author author=new Author();author.setAuthorUsername("再测试一下");author.setAuthorPassword("admin123");author.setAuthorEmail("admin1234@qq.com");author.setRegisterTime(new Date());int num=authorMapper.insert(author);System.out.println("num="+num);//这个方法插入，默认不会把数据库自增加ID返回，如果需要，可以手动增加System.out.println("插入后的ID"+author.getAuthorId());}//自定义 条件查询
    @Testpublic void testSelectByExample() {//声明一个对象AuthorExample authorExample=new AuthorExample();//创建criteria对象添加条件 and 连接Criteria criteria=authorExample.createCriteria();//需要手动加%criteria.andAuthorUsernameLike("%张三%");List<Author> list=authorMapper.selectByExample(authorExample);System.out.println(list.size());}//根据主键ID查询
    @Testpublic void testSelectByPrimaryKey() {Author author= authorMapper.selectByPrimaryKey(6);System.out.println(author.getAuthorUsername()+"..."+author.getAuthorBio());}@Testpublic void testUpdateByExampleSelective() {fail("Not yet implemented");}@Testpublic void testUpdateByExample() {fail("Not yet implemented");}@Testpublic void testUpdateByPrimaryKeySelective() {fail("Not yet implemented");}@Testpublic void testUpdateByPrimaryKey() {fail("Not yet implemented");}}