使用MyBatis快速生成代码的几种方法

打开IDEA  > settings > Plugins > Marketplace
安装Free MyBatis Plugin 和 Easy Code 两个插件

<?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>
    <!-- mysql-connector-java 版本需要与pom中引得版本一致 -->
    <classPathEntry location="C:\.m2\repository\mysql\mysql-connector-java\5.1.6\mysql-connector-java-5.1.6.jar" />

    <context id="DB2Tables" targetRuntime="MyBatis3">

        <!-- 不加注释，因为默认注释是英文的 -->
        <commentGenerator>
            <property name="addRemarkComments" value="true"/>
            <property name="suppressDate" value="true"/>
        </commentGenerator>

        <!-- 数据库连接信息 -->
        <jdbcConnection driverClass="com.mysql.jdbc.Driver"
                        connectionURL="jdbc:mysql://localhost:3306/sqmall?characterEncoding=utf-8&amp;useSSL=false&amp;serverTimezone=UTC"
                        userId="root"
                        password="root">
        </jdbcConnection>

        <javaTypeResolver >
            <property name="forceBigDecimals" value="false" />
        </javaTypeResolver>

        <!-- targetPackage 文件生成在指定包下，targetProject 路径-->
        <javaModelGenerator targetPackage="com.seven.mall.entity" targetProject="src/main/java">
            <property name="enableSubPackages" value="true" />
            <property name="trimStrings" value="true" />
        </javaModelGenerator>

        <sqlMapGenerator targetPackage="mappers"  targetProject="src/main/resources">
            <property name="enableSubPackages" value="true" />
        </sqlMapGenerator>

        <javaClientGenerator type="XMLMAPPER" targetPackage="com.seven.mall.dao"  targetProject="src/main/java">
            <property name="enableSubPackages" value="true" />
        </javaClientGenerator>

        <!-- domainObjectName 即生成后entity的名字 -->
        <table tableName = "mall_category" domainObjectName="Category" />
        <table tableName = "mall_order" domainObjectName="Order" />

    </context>
</generatorConfiguration>

<!-- dependency和plugin中jar的版本根据自己需求选择，但同一个jar版本要保持一致 -->
<!-- 配置在dependencies中 -->
<dependency>
	<groupId>org.mybatis.generator</groupId>
	<artifactId>mybatis-generator-core</artifactId>
	<version>1.3.7</version>
</dependency>
<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <version>5.1.6</version>
</dependency>
   <!-- 配置在plugins中 -->
<plugin>
	<groupId>org.mybatis.generator</groupId>
	<artifactId>mybatis-generator-maven-plugin</artifactId>
	<version>1.3.7</version>
	<configuration>
	    <overwrite>true</overwrite>   <!-- 重复生成时覆盖掉上次生成的文件 -->
	</configuration>
</plugin>

//
// Source code recreated from a .class file by IntelliJ IDEA
// (powered by Fernflower decompiler)
//

package org.mybatis.generator.plugins;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
import org.mybatis.generator.api.IntrospectedColumn;
import org.mybatis.generator.api.IntrospectedTable;
import org.mybatis.generator.api.PluginAdapter;
import org.mybatis.generator.api.Plugin.ModelClassType;
import org.mybatis.generator.api.dom.java.Interface;
import org.mybatis.generator.api.dom.java.Method;
import org.mybatis.generator.api.dom.java.TopLevelClass;

public class LombokPlugin extends PluginAdapter {
    public LombokPlugin() {
    }

    public boolean validate(List<String> list) {
        return true;
    }

    public boolean modelBaseRecordClassGenerated(TopLevelClass topLevelClass, IntrospectedTable introspectedTable) {
        topLevelClass.addImportedType("lombok.Data");
        topLevelClass.addImportedType("lombok.Builder");
        topLevelClass.addImportedType("lombok.NoArgsConstructor");
        topLevelClass.addImportedType("lombok.AllArgsConstructor");
        topLevelClass.addAnnotation("@Data");
        topLevelClass.addJavaDocLine("/**");
        topLevelClass.addJavaDocLine("* Created by Mybatis Generator on " + this.date2Str(new Date()));
        topLevelClass.addJavaDocLine("*/");
        return true;
    }

    public boolean clientGenerated(Interface interfaze, TopLevelClass topLevelClass, IntrospectedTable introspectedTable) {
        interfaze.addJavaDocLine("/**");
        interfaze.addJavaDocLine("* Created by Mybatis Generator on " + this.date2Str(new Date()));
        interfaze.addJavaDocLine("*/");
        return true;
    }

    public boolean modelSetterMethodGenerated(Method method, TopLevelClass topLevelClass, IntrospectedColumn introspectedColumn, IntrospectedTable introspectedTable, ModelClassType modelClassType) {
        return false;
    }

    public boolean modelGetterMethodGenerated(Method method, TopLevelClass topLevelClass, IntrospectedColumn introspectedColumn, IntrospectedTable introspectedTable, ModelClassType modelClassType) {
        return false;
    }

    private String date2Str(Date date) {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");
        return sdf.format(date);
    }
}