mybatisplus代码生成器使用（mybatis-plus自动生成代码）

MyBatis-Plus自定义代码生成模板工具解析最近公司要求开发自定义ORM映射框架，支持DM8达梦数据库、MySQL、Oracle等数据库，本文就Spring Boot自定义MyBatis-Plus生成MySQL数据库进行列举说明，方便大家参考。可实现自定义Controller、实体类等工具。

mybatis-plus自动生成代码

MyBatis-Plus自定义代码生成模板工具解析

一、添加依赖

手动添加相关坐标依赖：

<!-- mybatis代码生成器 -->

<dependency>

<groupId>com.baomidou</groupId>

<artifactId>mybatis-plus-generator</artifactId>

<version>3.4.0</version>

</dependency>

<!-- mybatis核心代码 -->

<dependency>

<groupId>com.baomidou</groupId>

<artifactId>mybatis-plus-core</artifactId>

<version>3.4.0</version>

</dependency>

<!-- 数据库连接 -->

<dependency>

<groupId>mysql</groupId>

<artifactId>mysql-connector-java</artifactId>

<version>5.1.38</version>

</dependency>

<!-- 自定义模版引擎 -->

<dependency>

<groupId>org.freemarker</groupId>

<artifactId>freemarker</artifactId>

<version>2.3.30</version>

</dependency>

<!-- java模版引擎 -->

<dependency>

<groupId>org.apache.velocity</groupId>

<artifactId>velocity</artifactId>

<version>1.7</version>

</dependency>

二、添加bootstrap.yml文件增加MP配置

mybatis-plus:

mapper-locations: classpath:/mapper/*Mapper.xml

#实体扫描，多个package用逗号或者分号分隔

typeAliasesPackage: com.opendi.entity

global-config:

#主键类型 0:"数据库ID自增", 1:"用户输入ID",2:"全局唯一ID (数字类型唯一ID)", 3:"全局唯一ID UUID";

id-type: 0

#字段策略 0:"忽略判断",1:"非 NULL 判断"),2:"非空判断"

field-strategy: 2

#驼峰下划线转换

db-column-underline: true

#刷新mapper 调试神器

refresh-mapper: true

#数据库大写下划线转换

#capital-mode: true

#序列接口实现类配置

#key-generator: com.baomidou.springboot.xxx

#逻辑删除配置

#logic-delete-value: 0

#logic-not-delete-value: 1

#自定义填充策略接口实现

#meta-object-handler: com.baomidou.springboot.MyMetaObjectHandler

#自定义SQL注入器

#sql-injector: com.baomidou.springboot.xxx

configuration:

map-underscore-to-camel-case: true

cache-enabled: false

#不加这个查询数据为空时，字段将被隐藏

call-setters-on-nulls: true

三、增加MyBatis-Plus配置类

@EnableTransactionManagement

@Configuration

@MapperScan("com.opendi.mapper*")

@Slf4j

public class MybatisOpenDiPlusConfig {

/**

* mybatis-plus SQL执行效率插件

*/

@Bean

@Profile({"dev","test","uat"})// 设置 dev test uat环境开启

public PerformanceInterceptor performanceInterceptor() {

PerformanceInterceptor performanceInterceptor = new PerformanceInterceptor();

/*<!-- SQL 执行性能分析，开发环境使用，线上不推荐。 maxTime 指的是 sql 最大执行时长 -->*/

//performanceInterceptor.setMaxTime(1000);

/*<!--SQL是否格式化 默认false-->*/

//performanceInterceptor.setFormat(true);

return performanceInterceptor;

}

/**

* mybatis-plus分页插件<br>

* 文档：http://mp.baomidou.com<br>

*/

@Bean

public PaginationInterceptor paginationInterceptor() {

PaginationInterceptor paginationHxdiInterceptor = new PaginationInterceptor();

paginationHxdiInterceptor.setLocalPage(true);// 开启 PageHelper 的支持

return paginationHxdiInterceptor;

}

}

四、代码生成器模板

@Slf4j

public class OcdiGenerator {

// 运行主工具

public static void main(String[] args) {

AutoGenerator mpg = new AutoGenerator();

// 选择 freemarker 引擎，默认 Veloctiy

// mpg.setTemplateEngine(new FreemarkerTemplateEngine());

// 全局配置

GlobalConfig gc = new GlobalConfig();

gc.setOutputDir("F://ocdi//");

gc.setFileOverride(true);

gc.setActiveRecord(true);// 不需要ActiveRecord特性的请改为false

gc.setEnableCache(false);// XML 二级缓存

gc.setBaseResultMap(true);// XML ResultMap

gc.setBaseColumnList(true);// XML columList

//gc.setKotlin(true);//是否生成 kotlin 代码

gc.setAuthor("Java功夫");

// 自定义文件命名，注意 %s 会自动填充表实体属性！

// gc.setMapperName("%sDao");

// gc.setXmlName("%sDao");

// gc.setServiceName("MP%sService");

// gc.setServiceImplName("%sServiceDiy");

// gc.setControllerName("%sAction");

mpg.setGlobalConfig(gc);

// 数据源配置

DataSourceConfig dsc = new DataSourceConfig();

dsc.setDbType(DbType.MYSQL);

dsc.setTypeConvert(new MySqlTypeConvert(){

// 自定义数据库表字段类型转换【可选】

@Override

public DbColumnType processTypeConvert(String fieldType) {

System.out.println("转换类型：" + fieldType);

// 注意！！processTypeConvert 存在默认类型转换，如果不是你要的效果请自定义返回、非如下直接返回。

return super.processTypeConvert(fieldType);

}

});

dsc.setDriverName("com.mysql.jdbc.Driver");

dsc.setUsername("root");

dsc.setPassword("ocdi");

dsc.setUrl("jdbc:mysql://192.168.3.5:3306/ocr-sba?characterEncoding=utf8");

mpg.setDataSource(dsc);

// 策略配置

StrategyConfig strategy = new StrategyConfig();

// strategy.setCapitalMode(true);// 全局大写命名 ORACLE 注意

//strategy.setTablePrefix(new String[] { "tlog_", "tsys_" });// 此处可以修改为您的表前缀

strategy.setNaming(NamingStrategy.underline_to_camel);// 表名生成策略

strategy.setInclude(new String[] { "app_certificate" }); // 需要生成的表

// strategy.setExclude(new String[]{"test"}); // 排除生成的表

// 自定义实体父类

// strategy.setSuperEntityClass("com.ocdi.demo.TestEntity");

// 自定义实体，公共字段

// strategy.setSuperEntityColumns(new String[] { "create_date", "update_date" });

// 自定义 mapper 父类

// strategy.setSuperMapperClass("com.ocdi.demo.TestMapper");

// 自定义 service 父类

// strategy.setSuperServiceClass("com.ocdi.demo.TestService");

// 自定义 service 实现类父类

// strategy.setSuperServiceImplClass("com.ocdi.demo.TestServiceImpl");

// 自定义 controller 父类

// strategy.setSuperControllerClass("com.ocdi.demo.TestController");

// 【实体】是否生成字段常量（默认 false）

// public static final String ID = "test_id";

strategy.setEntityColumnConstant(true);

// 【实体】是否为构建者模型（默认 false）

// public User setName(String name) {this.name = name; return this;}

//strategy.setEntityBuilderModel(true);

mpg.setStrategy(strategy);

// 包配置

PackageConfig pc = new PackageConfig();

pc.setParent("com.opendi");

pc.setController("controller");

pc.setEntity("model");

mpg.setPackageInfo(pc);

// 注入自定义配置，可以在 VM 中使用 cfg.abc 【可无】 ${cfg.abc}

InjectionConfig cfg = new InjectionConfig() {

@Override

public void initMap() {

Map<String, Object> map = new HashMap<String, Object>();

map.put("dce", this.getConfig().getGlobalConfig().getAuthor() + "-mp");

this.setMap(map);

}

};

// 自定义 xxListIndex.html 生成

List<FileOutConfig> focList = new ArrayList<FileOutConfig>();

focList.add(new FileOutConfig("/templatesMybatis/list.html.vm") {

@Override

public String outputFile(TableInfo tableInfo) {

// 自定义输入文件名称

return "F://ocdi//html//" + tableInfo.getEntityName() + "ListIndex.html";

}

});

cfg.setFileOutConfigList(focList);

mpg.setCfg(cfg);

// 自定义 xxAdd.html 生成

focList.add(new FileOutConfig("/templatesMybatis/add.html.vm") {

@Override

public String outputFile(TableInfo tableInfo) {

// 自定义输入文件名称

return "F://ocdi//html//" + tableInfo.getEntityName() + "Add.html";

}

});

cfg.setFileOutConfigList(focList);

mpg.setCfg(cfg);

// 自定义 xxUpdate.html生成

focList.add(new FileOutConfig("/templatesMybatis/update.html.vm") {

@Override

public String outputFile(TableInfo tableInfo) {

// 自定义输入文件名称

return "F://ocdi//html//" + tableInfo.getEntityName() + "Update.html";

}

});

cfg.setFileOutConfigList(focList);

mpg.setCfg(cfg);

// 关闭默认 xml 生成，调整生成 至 根目录

/*TemplateConfig tc = new TemplateConfig();

tc.setXml(null);

mpg.setTemplate(tc);*/

// 自定义模板配置，可以 copy 源码 mybatis-plus/src/main/resources/templates 下面内容修改，

// 放置自己项目的 src/main/resources/templates 目录下, 默认名称一下可以不配置，也可以自定义模板名称

TemplateConfig tc = new TemplateConfig();

tc.setController("/templatesMybatis/controller.java.vm");

tc.setService("/templatesMybatis/service.java.vm");

tc.setServiceImpl("/templatesMybatis/serviceImpl.java.vm");

tc.setEntity("/templatesMybatis/entity.java.vm");

tc.setMapper("/templatesMybatis/mapper.java.vm");

tc.setXml("/templatesMybatis/mapper.xml.vm");

// 如上任何一个模块如果设置 空 OR Null 将不生成该模块。

mpg.setTemplate(tc);

// 执行生成

mpg.execute();

// 打印注入设置【可无】

log.info(mpg.getCfg().getMap().get("dce"));

}

}

五、使用的模板示例

自定义controller模板文件 com

5.1controller.java.vm

package ${package.Controller};

#if(${restControllerStyle})

import org.springframework.web.bind.annotation.RequestMethod;

import org.springframework.web.bind.annotation.RestController;

#else

import org.springframework.stereotype.Controller;

#end

#if(${superControllerClassPackage})

import ${superControllerClassPackage};

#end

import com.alibaba.fastjson.JSON;

import com..constant.Constant;

import com.opendi.model.BootStrapTable;

import org.springframework.ui.Model;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.web.bind.annotation.RequestMethod;

import org.springframework.web.bind.annotation.ResponseBody;

import org.springframework.web.bind.annotation.GetMapping;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import ${package.Service}.${table.serviceName};

import ${package.Entity}.${entity};

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import java.util.List;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.Map;

/**

*

* @author ${author}

* @since ${date}

*/

#if(${restControllerStyle})

@RestController

#else

@Controller

#end

@RequestMapping("/a#if(${package.ModuleName})/${package.ModuleName}#end/#if(${controllerMappingHyphenStyle})${controllerMappingHyphen}#else${table.entityPath}#end")

#if(${superControllerClass})

public class ${table.controllerName} extends ${superControllerClass} {

#else

public class ${table.controllerName} {

#end

private final Logger logger = LoggerFactory.getLogger(${table.controllerName}.class);

@Autowired

public ${table.serviceName} i${entity}Service;

/**

* 跳转列表页面

* @param request

* @param model

* @return

*/

@RequestMapping(method= RequestMethod.GET,value = {"/${table.entityPath}Index"})

public String index(HttpServletRequest request, Model model) {

return "${table.entityPath}ListIndex";

}

/**

* 分页查询数据

*

* @param bootStrapTable 分页信息

* @param ${table.entityPath} 查询条件

* @return

*/

@ResponseBody

@GetMapping("/get${entity}PageList")

public Map<String, Object> get${entity}List(BootStrapTable<${entity}> bootStrapTable,${entity} ${table.entityPath}) {

Map<String,Object> result = new HashMap<String,Object>();

try {

result = bootStrapTable.setRows(i${entity}Service.selectPage(bootStrapTable,${table.entityPath}));

} catch (Exception e) {

logger.error("get${entity}List -=- {}",e.toString());

result.put(Constant.BOOTSTAP_TABLE_ROWS, new ArrayList<>());

result.put(Constant.BOOTSTRAP_TABLE_TOTAL, 0);

}

return result;

}

/**

* 跳转添加页面

* @param request

* @param response

* @param model

* @return

*/

@RequestMapping(method=RequestMethod.GET,value="/${table.entityPath}Add")

public String ${table.entityPath}Add(HttpServletRequest request,HttpServletResponse response,Model model) {

try {

}catch (Exception ex){

log.error("${table.entityPath}Add -=- {}",ex.toString());

}

return "${table.entityPath}Add";

}

/**

* 跳转修改页面

* @param request

* @param id 实体ID

* @return

*/

@RequestMapping(method=RequestMethod.GET,value="/${table.entityPath}Update")

public String ${table.entityPath}Update(HttpServletRequest request,Long id) {

try {

${entity} ${table.entityPath} = i${entity}Service.selectById(id);

request.setAttribute("${table.entityPath}",${table.entityPath});

}catch (Exception ex){

log.error("${table.entityPath}Update -=- {}",ex.toString());

}

return "${table.entityPath}Upd";

}

/**

* 保存和修改公用的

* @param ${table.entityPath} 传递的实体

* @return 0 失败 1 成功

*/

@ResponseBody

@RequestMapping(method=RequestMethod.POST,value="/${table.entityPath}Save")

public int ${table.entityPath}Save(${entity} ${table.entityPath}) {

int count = 0;

try {

count = i${entity}Service.insertOrUpdate(${table.entityPath}) ? 1 : 0;

} catch (Exception e) {

log.error("${table.entityPath}Save -=- {}",e.toString());

}

return count;

}

/**

* 根据id删除对象

* @param id 实体ID

* @return 0 失败 1 成功

*/

@ResponseBody

@RequestMapping(method= RequestMethod.POST,value="/${table.entityPath}Delete")

public int ${table.entityPath}Delete(Long id){

int count = 0;

try {

count = i${entity}Service.deleteById(id) ? 1 : 0;

}catch (Exception e){

log.error("${table.entityPath}Delete -=- {}",e.toString());

}

return count;

}

/**

* 批量删除对象

* @param item 实体集合ID

* @return 0 失败 1 成功

*/

@ResponseBody

@RequestMapping(method= RequestMethod.POST,value="/${table.entityPath}BatchDelete")

public int deleteBatchIds(String item){

int count = 0;

try {

List<Long> ids = (List<Long>) JSON.parse(item);

count = i${entity}Service.deleteBatchIds(ids) ? 1 : 0;

}catch (Exception e){

log.error("${table.entityPath}BatchDelete -=- {}",e.toString());

}

return count;

}

}

5.2entity.java.vm

package ${package.Entity};

#if(${activeRecord})import java.io.Serializable;

#end#foreach($pkg in ${table.importPackages})import ${pkg};#end#if(${entityLombokModel})

import com.baomidou.mybatisplus.annotations.Version;

import lombok.Data;import lombok.experimental.Accessors;#end

/*** <p>* $!{table.comment}* </p>** @author ${author}* @since ${date}*/#if(${entityLombokModel})@Data@Accessors(chain = true)#end#if(${table.convert})@TableName("${table.name}")#end#if(${superEntityClass})public class ${entity} extends ${superEntityClass}#if(${activeRecord})<${entity}>#end {#elseif(${activeRecord})public class ${entity} extends Model<${entity}> {#elsepublic class ${entity} implements Serializable {#end

private static final long serialVersionUID = 1L;

## ---------- BEGIN 字段循环遍历 ----------#foreach($field in ${table.fields})#if(${field.keyFlag})#set($keyPropertyName=${field.propertyName})#end#if("$!field.comment" != "")/*** ${field.comment}*/#end#if(${field.keyFlag})## 主键#if(${field.keyIdentityFlag})@TableId(value="${field.name}", type= IdType.AUTO)#elseif(${field.convert})@TableId("${field.name}")#end## 普通字段#elseif(${field.fill})## ----- 存在字段填充设置 -----#if(${field.convert})@TableField(value = "${field.name}", fill = FieldFill.${field.fill})#else@TableField(fill = FieldFill.${field.fill})#end#elseif(${field.convert})@TableField("${field.name}")#end## 乐观锁注解#if(${versionFieldName}==${field.name})@Version#end## 逻辑删除注解#if(${logicDeleteFieldName}==${field.name})@TableLogic#endprivate ${field.propertyType} ${field.propertyName};#end## ---------- END 字段循环遍历 ----------

#if(!${entityLombokModel})#foreach($field in ${table.fields})#if(${field.propertyType.equals("boolean")})#set($getprefix="is")#else#set($getprefix="get")#end

public ${field.propertyType} ${getprefix}${field.capitalName}() {return ${field.propertyName};}

#if(${entityBuilderModel})public ${entity} set${field.capitalName}(${field.propertyType} ${field.propertyName}) {#elsepublic void set${field.capitalName}(${field.propertyType} ${field.propertyName}) {#endthis.${field.propertyName} = ${field.propertyName};#if(${entityBuilderModel})return this;#end}#end#end

#if(${entityColumnConstant})#foreach($field in ${table.fields})public static final String ${field.name.toUpperCase()} = "${field.name}";

#end#end#if(${activeRecord})@Overrideprotected Serializable pkVal() {#if(${keyPropertyName})return this.${keyPropertyName};#elsereturn this.id;#end}

#end#if(!${entityLombokModel})@Overridepublic String toString() {return "${entity}{" +#foreach($field in ${table.fields})#if($!{velocityCount}==1)"${field.propertyName}=" + ${field.propertyName} +#else", ${field.propertyName}=" + ${field.propertyName} +#end#end"}";}#end}

5.3mapper.java.vm

package ${package.Mapper};

import ${package.Entity}.${entity};import ${superMapperClassPackage};

/*** <p>* $!{table.comment} Mapper 接口* </p>** @author ${author}* @since ${date}*/public interface ${table.mapperName} extends ${superMapperClass}<${entity}> {

}

mapper.xml.vm

<?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="${package.Mapper}.${table.mapperName}">

#if(${enableCache})<!-- 开启二级缓存 --><cache type="org.mybatis.caches.ehcache.LoggingEhcache"/>

#end#if(${baseResultMap})<!-- 通用查询映射结果 --><resultMap type="${package.Entity}.${entity}">#foreach($field in ${table.fields})#if(${field.keyFlag})##生成主键排在第一位<id column="${field.name}" property="${field.propertyName}" />#end#end#foreach($field in ${table.commonFields})##生成公共字段<result column="${field.name}" property="${field.propertyName}" />#end#foreach($field in ${table.fields})#if(!${field.keyFlag})##生成普通字段<result column="${field.name}" property="${field.propertyName}" />#end#end</resultMap>

#end#if(${baseColumnList})<!-- 通用查询结果列 --><sql>#foreach($field in ${table.commonFields})#if(${field.name} == ${field.propertyName})${field.name}#else${field.name} AS ${field.propertyName}#end,#end${table.fieldNames}</sql>#end</mapper>

5.4 service.java.vm

package ${package.Service};

import com.baomidou.mybatisplus.plugins.Page;import ${package.Entity}.${entity};import ${superServiceClassPackage};import com.opendi.model.BootStrapTable;

import java.util.List;

/*** <p>* $!{table.comment} 服务类* </p>** @author ${author}* @since ${date}*/public interface ${table.serviceName} extends ${superServiceClass}<${entity}> {

/*** 分页查询* @param bootStrapTable* @param ${table.entityPath}* @return*/Page<${entity}> selectPage(BootStrapTable<${entity}> bootStrapTable,${entity} ${table.entityPath});

List<HxdiType> selectList(${entity} ${table.entityPath});}

5.5 serviceImpl.java.vm

package ${package.ServiceImpl};

import com.baomidou.mybatisplus.mapper.EntityWrapper;import com.baomidou.mybatisplus.plugins.Page;import com.opendi.model.BootStrapTable;import ${package.Entity}.${entity};import ${package.Mapper}.${table.mapperName};import ${package.Service}.${table.serviceName};import ${superServiceImplClassPackage};import org.springframework.stereotype.Service;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.transaction.annotation.Transactional;import com.opendi.utils.lang.StringUtils;

import java.util.List;/*** <p>* $!{table.comment} 服务实现类* </p>** @author ${author}* @since ${date}*/@Service@Transactionalpublic class ${table.serviceImplName} extends ${superServiceImplClass}<${table.mapperName}, ${entity}> implements ${table.serviceName} {

@Autowiredprivate ${table.mapperName} ${table.entityPath}Mapper;

@Overridepublic Page<${entity}> selectPage(BootStrapTable<${entity}> bootStrapTable, ${entity} ${table.entityPath}) {EntityWrapper<${entity}> entityWrapper = new EntityWrapper<${entity}>();getEntityWrapper(entityWrapper,${table.entityPath});return super.selectPage(bootStrapTable.getPagePlus(),entityWrapper);}

@Overridepublic List<${entity}> selectList(${entity} ${table.entityPath}) {EntityWrapper<${entity}> entityWrapper = new EntityWrapper<${entity}>();getEntityWrapper(entityWrapper,${table.entityPath});return super.selectList(entityWrapper);}

/*** 公共查询条件* @param entityWrapper* @return*/public EntityWrapper<${entity}> getEntityWrapper(EntityWrapper<${entity}> entityWrapper,${entity} ${table.entityPath}){//条件拼接#foreach($field in ${table.fields})#if(!${field.keyFlag})if (StringUtils.isNotBlank(${table.entityPath}.${getprefix}${field.capitalName}())){entityWrapper.like(${entity}.${field.name.toUpperCase()},${table.entityPath}.${getprefix}${field.capitalName}());}#end#endreturn entityWrapper;}}

html 页面代码生成器 前端页面使用super ui 可自行修改 基本语法一样的

5.6 update.html.vm

默认都不能为空，生成之后 自行删减

<!DOCTYPE html><html lang="en" xmlns="http://ment}</label><div><input name="${field.propertyName}" value=""/></div></div>#end#end

<div><label></label><div><button type="submit"><i></i> 保存</button><button type="button" οnclick="layer_close();"><iclass="fa fa-close"></i> 关闭</button></div></div></div></form></div></section></body><div th:replace="common/common_foot :: foot"></div><script th:src="@{/content/plugins/jquery.validation/jquery.validate.js}"></script><script th:src="@{/content/plugins/jquery.validation/validate-methods.js}"></script><script th:src="@{/content/common/validation/common.validation.js}"></script><script th:inline="javascript">#macro(dian).#end #set($bootstrapTable = '$table')

$(function () {$(".select2").select2({placeholder: "请选择",width: "100%" //设置下拉框的宽度});$('input[type="checkbox"].minimal, input[type="radio"].minimal').iCheck({checkboxClass: 'icheckbox_square-blue',radioClass: 'iradio_square-blue',increaseArea: '20%' // optional});$("#form-admin-add").validate({rules: {#foreach($field in ${table.fields})#if(!${field.keyFlag})##生成普通字段${field.propertyName}: {required: true}#if(${table.fields.size()} != ${velocityCount}),#end#end#end},onkeyup: false,submitHandler: function (form) {$.ajax({url: getRootPath()+"/a/${table.entityPath}/${table.entityPath}Save",type: "Post",dataType: "json",data: $(form).serialize(),success: function (result) {if (result > 0) {opaler();} else {opalerNO();}//刷新父级页面parent.$bootstrapTable#dian()bootstrapTable('refresh'); //再刷新DT}});}});});</script></html>

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（340）个朋友认为回复得到帮助。