Spring+SpringMVC+Mybatis（开发必备技能）04、mybatis自动生成mapper_dao_model(包含工具与视频讲解) 纯绿色版本、配套使用视频，100%运行成功

Spring+SpringMVC+Mybatis（开发必备技能）

04、mybatis自动生成mapper_dao_model(包含工具与视频讲解) 纯绿色版本、配套使用视频，100%运行成功

百度网盘链接：链接：https://pan.baidu.com/s/11cO4roAQ108D9E06IHrmGw 提取码：h63e

视频教程链接：

common_utils配套使用视频_哔哩哔哩_bilibili

目录

1、配置文件：

2、脚本文件：

3、执行效果：

生成mapper.xml文件示例：

生成model文件示例：

生成dao层文件示例：

---

1、配置文件：

其中修改数据库账号密码和链接就行

<?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><!-- 数据库驱动包位置 --><classPathEntry location="mysql-connector-java-5.1.24-bin.jar"/><context id="DB2Tables" targetRuntime="MyBatis3"><!-- 生成的代码注释，加入下面的配置控制 false:生成、true:不生成 --><commentGenerator><property name="suppressAllComments" value="false"/><property name="suppressDate" value="false"/></commentGenerator><!-- 数据库连接URL、用户名、密码 --><!-- Oracle连接 <jdbcConnection driverClass="oracle.jdbc.driver.OracleDriver"connectionURL="jdbc:oracle:thin:@localhost:1521:orcl"userId="tiger" password="123456"></jdbcConnection>--><!-- MySQL连接 --><jdbcConnection driverClass="com.mysql.jdbc.Driver"connectionURL="jdbc:mysql://localhost:3306/test?characterEncoding=utf8" userId="root" password="root"></jdbcConnection><!-- java类型处理器 --><javaTypeResolver><property name="forceBigDecimals" value="false"/></javaTypeResolver><!-- Model位置 --><javaModelGenerator targetPackage="main.java.com.item.model" targetProject="D:\laoshifu_hongmuxiangxun\"><property name="enableSubPackages" value="true"/><property name="trimStrings" value="true"/></javaModelGenerator><!-- mapper位置 --><sqlMapGenerator targetPackage="main.resources.mapper" targetProject="D:\laoshifu_hongmuxiangxun\"><property name="enableSubPackages" value="true"/></sqlMapGenerator><!-- dao位置 --><javaClientGenerator type="XMLMAPPER" targetPackage="main.java.com.item.dao" targetProject="D:\laoshifu_hongmuxiangxun\"><property name="enableSubPackages" value="true"/></javaClientGenerator><!-- %代表生成所有的表，如果只想生成某表，自己改成表名字就行 --><table tableName="%" schema="SCOTT" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false" ></table></context> </generatorConfiguration>

2、脚本文件：

chcp 65001 echo off title AutoMybatis_laoshifu mkdir D:\laoshifu_hongmuxiangxun cls java -jar mybatis-generator-core-1.3.2.jar -configfile generator.xml -overwrite start D:\laoshifu_hongmuxiangxun echo 如果生成正确，代码会生成在D盘的根目录下，结构为，java/com与java/resources可以直接复制，看到successfully代表生成完毕，按任意键结束。 pause

执行文件：

3、执行效果：

生成并打开对应生成文件夹位置：

生成mapper.xml文件示例：

<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" > <mapper namespace="main.java.com.item.dao.UsersMapper" ><resultMap id="BaseResultMap" type="main.java.com.item.model.Users" ><!--WARNING - @mbggeneratedThis element is automatically generated by MyBatis Generator, do not modify.This element was generated on Sat May 28 16:28:01 CST 2022.--><id column="id" property="id" jdbcType="INTEGER" /><result column="createDate" property="createdate" jdbcType="TIMESTAMP" /><result column="userName" property="username" jdbcType="VARCHAR" /><result column="introduce" property="introduce" jdbcType="VARCHAR" /></resultMap><sql id="Base_Column_List" ><!--WARNING - @mbggeneratedThis element is automatically generated by MyBatis Generator, do not modify.This element was generated on Sat May 28 16:28:01 CST 2022.-->id, createDate, userName, introduce</sql><select id="selectByPrimaryKey" resultMap="BaseResultMap" parameterType="java.lang.Integer" ><!--WARNING - @mbggeneratedThis element is automatically generated by MyBatis Generator, do not modify.This element was generated on Sat May 28 16:28:01 CST 2022.-->select <include refid="Base_Column_List" />from userswhere id = #{id,jdbcType=INTEGER}</select><delete id="deleteByPrimaryKey" parameterType="java.lang.Integer" ><!--WARNING - @mbggeneratedThis element is automatically generated by MyBatis Generator, do not modify.This element was generated on Sat May 28 16:28:01 CST 2022.-->delete from userswhere id = #{id,jdbcType=INTEGER}</delete><insert id="insert" parameterType="main.java.com.item.model.Users" ><!--WARNING - @mbggeneratedThis element is automatically generated by MyBatis Generator, do not modify.This element was generated on Sat May 28 16:28:01 CST 2022.-->insert into users (id, createDate, userName, introduce)values (#{id,jdbcType=INTEGER}, #{createdate,jdbcType=TIMESTAMP}, #{username,jdbcType=VARCHAR}, #{introduce,jdbcType=VARCHAR})</insert><insert id="insertSelective" parameterType="main.java.com.item.model.Users" ><!--WARNING - @mbggeneratedThis element is automatically generated by MyBatis Generator, do not modify.This element was generated on Sat May 28 16:28:01 CST 2022.-->insert into users<trim prefix="(" suffix=")" suffixOverrides="," ><if test="id != null" >id,</if><if test="createdate != null" >createDate,</if><if test="username != null" >userName,</if><if test="introduce != null" >introduce,</if></trim><trim prefix="values (" suffix=")" suffixOverrides="," ><if test="id != null" >#{id,jdbcType=INTEGER},</if><if test="createdate != null" >#{createdate,jdbcType=TIMESTAMP},</if><if test="username != null" >#{username,jdbcType=VARCHAR},</if><if test="introduce != null" >#{introduce,jdbcType=VARCHAR},</if></trim></insert><update id="updateByPrimaryKeySelective" parameterType="main.java.com.item.model.Users" ><!--WARNING - @mbggeneratedThis element is automatically generated by MyBatis Generator, do not modify.This element was generated on Sat May 28 16:28:01 CST 2022.-->update users<set ><if test="createdate != null" >createDate = #{createdate,jdbcType=TIMESTAMP},</if><if test="username != null" >userName = #{username,jdbcType=VARCHAR},</if><if test="introduce != null" >introduce = #{introduce,jdbcType=VARCHAR},</if></set>where id = #{id,jdbcType=INTEGER}</update><update id="updateByPrimaryKey" parameterType="main.java.com.item.model.Users" ><!--WARNING - @mbggeneratedThis element is automatically generated by MyBatis Generator, do not modify.This element was generated on Sat May 28 16:28:01 CST 2022.-->update usersset createDate = #{createdate,jdbcType=TIMESTAMP},userName = #{username,jdbcType=VARCHAR},introduce = #{introduce,jdbcType=VARCHAR}where id = #{id,jdbcType=INTEGER}</update> </mapper>

生成model文件示例：

package main.java.com.item.model;import java.util.Date;public class Users {/*** This field was generated by MyBatis Generator.* This field corresponds to the database column users.id** @mbggenerated Sat May 28 16:28:01 CST 2022*/private Integer id;/*** This field was generated by MyBatis Generator.* This field corresponds to the database column users.createDate** @mbggenerated Sat May 28 16:28:01 CST 2022*/private Date createdate;/*** This field was generated by MyBatis Generator.* This field corresponds to the database column users.userName** @mbggenerated Sat May 28 16:28:01 CST 2022*/private String username;/*** This field was generated by MyBatis Generator.* This field corresponds to the database column users.introduce** @mbggenerated Sat May 28 16:28:01 CST 2022*/private String introduce;/*** This method was generated by MyBatis Generator.* This method returns the value of the database column users.id** @return the value of users.id** @mbggenerated Sat May 28 16:28:01 CST 2022*/public Integer getId() {return id;}/*** This method was generated by MyBatis Generator.* This method sets the value of the database column users.id** @param id the value for users.id** @mbggenerated Sat May 28 16:28:01 CST 2022*/public void setId(Integer id) {this.id = id;}/*** This method was generated by MyBatis Generator.* This method returns the value of the database column users.createDate** @return the value of users.createDate** @mbggenerated Sat May 28 16:28:01 CST 2022*/public Date getCreatedate() {return createdate;}/*** This method was generated by MyBatis Generator.* This method sets the value of the database column users.createDate** @param createdate the value for users.createDate** @mbggenerated Sat May 28 16:28:01 CST 2022*/public void setCreatedate(Date createdate) {this.createdate = createdate;}/*** This method was generated by MyBatis Generator.* This method returns the value of the database column users.userName** @return the value of users.userName** @mbggenerated Sat May 28 16:28:01 CST 2022*/public String getUsername() {return username;}/*** This method was generated by MyBatis Generator.* This method sets the value of the database column users.userName** @param username the value for users.userName** @mbggenerated Sat May 28 16:28:01 CST 2022*/public void setUsername(String username) {this.username = username == null ? null : username.trim();}/*** This method was generated by MyBatis Generator.* This method returns the value of the database column users.introduce** @return the value of users.introduce** @mbggenerated Sat May 28 16:28:01 CST 2022*/public String getIntroduce() {return introduce;}/*** This method was generated by MyBatis Generator.* This method sets the value of the database column users.introduce** @param introduce the value for users.introduce** @mbggenerated Sat May 28 16:28:01 CST 2022*/public void setIntroduce(String introduce) {this.introduce = introduce == null ? null : introduce.trim();} }

生成dao层文件示例：

package main.java.com.item.dao;import main.java.com.item.model.Users;public interface UsersMapper {/*** This method was generated by MyBatis Generator.* This method corresponds to the database table users** @mbggenerated Sat May 28 16:28:01 CST 2022*/int deleteByPrimaryKey(Integer id);/*** This method was generated by MyBatis Generator.* This method corresponds to the database table users** @mbggenerated Sat May 28 16:28:01 CST 2022*/int insert(Users record);/*** This method was generated by MyBatis Generator.* This method corresponds to the database table users** @mbggenerated Sat May 28 16:28:01 CST 2022*/int insertSelective(Users record);/*** This method was generated by MyBatis Generator.* This method corresponds to the database table users** @mbggenerated Sat May 28 16:28:01 CST 2022*/Users selectByPrimaryKey(Integer id);/*** This method was generated by MyBatis Generator.* This method corresponds to the database table users** @mbggenerated Sat May 28 16:28:01 CST 2022*/int updateByPrimaryKeySelective(Users record);/*** This method was generated by MyBatis Generator.* This method corresponds to the database table users** @mbggenerated Sat May 28 16:28:01 CST 2022*/int updateByPrimaryKey(Users record); }

总结

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