springboot项目使用mybatis-plus一键生成所有代码
- pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.2.6.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com</groupId>
<artifactId>springboot-mybatis-plus-generator</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>springboot-mybatis-plus-generator</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-boot-starter</artifactId>
<version>3.3.1.tmp</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.1.41</version>
</dependency>
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-generator</artifactId>
<version>3.3.1.tmp</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.freemarker</groupId>
<artifactId>freemarker</artifactId>
<version>2.3.30</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.30</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
<exclusions>
<exclusion>
<groupId>org.junit.vintage</groupId>
<artifactId>junit-vintage-engine</artifactId>
</exclusion>
</exclusions>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
- application.yml
server:
port:8080
#数据库配置
spring:
datasource:
url: jdbc:mysql://localhost:3306/orcl?useUnicode=true&characterEncoding=utf8&useSSL=false&serverTimezone=UTC
username: root
password: 1234
driver-class-name: com.mysql.jdbc.Driver
#模板引擎配置
thymeleaf:
encoding: UTF-8
#suffix: .html 默认后缀
#prefix: classpath:/templates/ 默认前缀
mybatis:
mapperLocations: classpath:mapper/zcy/*.xml
typeAliasesPackage: com.springboot.mybatisplusgenerator.zcy.entity
- MyGenerator.java
package com.springboot.mybatisplusgenerator;
import com.baomidou.mybatisplus.core.exceptions.MybatisPlusException;
import com.baomidou.mybatisplus.core.toolkit.StringPool;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.baomidou.mybatisplus.generator.AutoGenerator;
import com.baomidou.mybatisplus.generator.InjectionConfig;
import com.baomidou.mybatisplus.generator.config.*;
import com.baomidou.mybatisplus.generator.config.po.TableInfo;
import com.baomidou.mybatisplus.generator.config.rules.NamingStrategy;
import com.baomidou.mybatisplus.generator.engine.FreemarkerTemplateEngine;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
public class MyGenerator {
public static String scanner(String someThing) {
Scanner scanner = new Scanner(System.in);
StringBuilder help = new StringBuilder();
help.append("请输入" + someThing + ":");
System.out.println(help.toString());
if (scanner.hasNext()) {
String sc = scanner.next();
if (StringUtils.isNotEmpty(sc)) {
return sc;
}
}
throw new MybatisPlusException("请输入正确的" + someThing + "!");
}
public static void main(String[]ags) {
// 代码生成器
AutoGenerator mpg = new AutoGenerator();
// 全局配置
GlobalConfig gc = new GlobalConfig();
String projectPath = System.getProperty("user.dir");
gc.setOutputDir(projectPath + "/src/main/java");
gc.setAuthor(MyGeneratorProperties.author);
gc.setOpen(false);
mpg.setGlobalConfig(gc);
// 数据源配置
DataSourceConfig dsc = new DataSourceConfig();
dsc.setUrl(MyGeneratorProperties.dataUrl);
dsc.setDriverName(MyGeneratorProperties.driverName);
dsc.setUsername(MyGeneratorProperties.username);
dsc.setPassword(MyGeneratorProperties.password);
mpg.setDataSource(dsc);
// 包配置
PackageConfig pc = new PackageConfig();
pc.setModuleName(scanner("请输入你的包名"));
pc.setParent(MyGeneratorProperties.parent);//你哪个父目录下创建包
mpg.setPackageInfo(pc);
// 自定义配置
InjectionConfig cfg = new InjectionConfig() {
@Override
public void initMap() {
// to do nothing
}
};
// 如果模板引擎是 freemarker
String templatePath = "/templates/mapper.xml.ftl";
// 自定义输出配置
List<FileOutConfig> focList = new ArrayList<>();
// 自定义配置会被优先输出
focList.add(new FileOutConfig(templatePath) {
@Override
public String outputFile(TableInfo tableInfo) {
// 自定义输出文件名 , 如果你 Entity 设置了前后缀、此处注意 xml 的名称会跟着发生变化!!
return projectPath + "/src/main/resources/mapper/" + pc.getModuleName()
+ "/" + tableInfo.getEntityName() + "Mapper" + StringPool.DOT_XML;
}
});
cfg.setFileOutConfigList(focList);
mpg.setCfg(cfg);
// 配置模板
TemplateConfig templateConfig = new TemplateConfig();
// 配置自定义输出模板
//指定自定义模板路径,注意不要带上.ftl/.vm, 会根据使用的模板引擎自动识别
// templateConfig.setEntity("templates/entity2.java");
// templateConfig.setService();
// templateConfig.setController();
templateConfig.setXml(null);
mpg.setTemplate(templateConfig);
// 策略配置,数据库表配置
StrategyConfig strategy = new StrategyConfig();
//数据库表映射到实体的命名策略
strategy.setNaming(NamingStrategy.underline_to_camel);
//数据库表字段映射到实体类的命名策略
strategy.setColumnNaming(NamingStrategy.underline_to_camel);
//自定义继承entity类,添加这一个会在生成实体类的时候继承entity
//strategy.setSuperEntityClass("com.wy.testCodeGenerator.entity");
//实体是否为lombok模型
strategy.setEntityLombokModel(true);
//生成@RestController控制器
strategy.setRestControllerStyle(true);
//是否继承controller
// strategy.setSuperControllerClass("com.wy.testCodeGenerator.controller");
strategy.setInclude(scanner("表名,多个英文逗号分割").split(","));
strategy.setSuperEntityColumns("id");
//驼峰转连字符串
strategy.setControllerMappingHyphenStyle(true);
//表前缀
strategy.setTablePrefix(pc.getModuleName() + "_");
mpg.setStrategy(strategy);
mpg.setTemplateEngine(new FreemarkerTemplateEngine());
mpg.execute();
}
}
- MyGeneratorProperties.java
package com.springboot.mybatisplusgenerator;
/**
* @author zhaochengyang
* @version 1.0
* @date 2020/4/13 10:41
*/
public class MyGeneratorProperties {
//作者名称
public static String author="zhaochengyang";
//数据连接地址
public static String dataUrl="jdbc:mysql://localhost:3306/orcl?useUnicode=true&characterEncoding=utf8&useSSL=false&serverTimezone=UTC";
public static String driverName="com.mysql.jdbc.Driver";
public static String username="root";
public static String password="1234";
//你哪个父目录下创建包
public static String parent="com.springboot.mybatisplusgenerator";
}
-
自定模板
-
controller.java.ftl
package ${package.Controller};
import ${package.Service}.*;
import ${package.Entity}.*;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import com.alibaba.fastjson.JSONArray;
import java.util.HashMap;
import java.util.Map;
<#if restControllerStyle>
import org.springframework.web.bind.annotation.RestController;
<#else>
import org.springframework.stereotype.Controller;
</#if>
<#if superControllerClassPackage??>
import ${superControllerClassPackage};
</#if>
/**
* <p>
* ${table.comment!} 前端控制器
* </p>
* * @author ${author}
* @since ${date}
*/
<#if restControllerStyle>
@RestController
<#else>
@Controller
</#if>
@RequestMapping("<#if package.ModuleName??>/${package.ModuleName}</#if>/<#if controllerMappingHyphenStyle??>${controllerMappingHyphen}<#else>${table.entityPath}</#if>")
<#if kotlin>
class ${table.controllerName}<#if superControllerClass??> : ${superControllerClass}()</#if>
<#else>
<#if superControllerClass??>
public class ${table.controllerName} extends ${superControllerClass} {
<#else>
public class ${table.controllerName} {
</#if>
@Autowired
private ${table.serviceName} Service;
@GetMapping("/getbyid")
@ResponseBody
public String getbyid(int id) {
Map<String,Object> map = new HashMap<>();
${entity} entity=Service.getById(id);
map.put("data",entity);
return JSONArray.toJSONString(map);
}
@RequestMapping("/add")
@ResponseBody
public String add(${entity} entity) {
Map<String,Object> map = new HashMap<>();
boolean is =Service.save(entity);
if(is){
map.put("mgs","执行成功");
}else {
map.put("mgs","执行错误");
}
return JSONArray.toJSONString(map);
}
@RequestMapping("/update")
@ResponseBody
public String update(${entity} entity) {
Map<String,Object> map = new HashMap<>();
boolean is=Service.updateById(entity);
if(is){
map.put("mgs","执行成功");
}else {
map.put("mgs","执行错误");
}
return JSONArray.toJSONString(map);
}
@RequestMapping("/del")
@ResponseBody
public String del(int id) {
Map<String,Object> map = new HashMap<>();
boolean is=Service.removeById(id);
if(is){
map.put("mgs","执行成功");
}else {
map.put("mgs","执行错误");
}
return JSONArray.toJSONString(map);
}
}
</#if>
- entity.java.ftl
package ${package.Entity};
<#list table.importPackages as pkg>
import ${pkg};
</#list>
<#if swagger2>
import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;
</#if>
<#if entityLombokModel>
import lombok.Data;
import lombok.EqualsAndHashCode;
import lombok.experimental.Accessors;
</#if>
/**
* <p>
* ${table.comment!}
* </p>
*
* @author ${author}
* @since ${date}
*/
<#if entityLombokModel>
@Data
<#if superEntityClass??>
@EqualsAndHashCode(callSuper = true)
<#else>
@EqualsAndHashCode(callSuper = false)
</#if>
@Accessors(chain = true)
</#if>
<#if table.convert>
@TableName("${table.name}")
</#if>
<#if swagger2>
@ApiModel(value="${entity}对象", description="${table.comment!}")
</#if>
<#if superEntityClass??>
public class ${entity} extends ${superEntityClass}<#if activeRecord><${entity}></#if> {
<#elseif activeRecord>
public class ${entity} extends Model<${entity}> {
<#else>
public class ${entity} implements Serializable {
</#if>
<#if entitySerialVersionUID>
private static final long serialVersionUID = 1L;
</#if>
<#-- ---------- BEGIN 字段循环遍历 ---------->
<#list table.fields as field>
<#if field.keyFlag>
<#assign keyPropertyName="${field.propertyName}"/>
</#if>
<#if field.comment!?length gt 0>
<#if swagger2>
@ApiModelProperty(value = "${field.comment}")
<#else>
/**
* ${field.comment}
*/
</#if>
</#if>
<#if field.keyFlag>
<#-- 主键 -->
<#if field.keyIdentityFlag>
@TableId(value = "${field.name}", type = IdType.AUTO)
<#elseif idType??>
@TableId(value = "${field.name}", type = IdType.${idType})
<#elseif field.convert>
@TableId("${field.name}")
</#if>
<#-- 普通字段 -->
<#elseif field.fill??>
<#-- ----- 存在字段填充设置 ----->
<#if field.convert>
@TableField(value = "${field.name}", fill = FieldFill.${field.fill})
<#else>
@TableField(fill = FieldFill.${field.fill})
</#if>
<#elseif field.convert>
@TableField("${field.name}")
</#if>
<#-- 乐观锁注解 -->
<#if (versionFieldName!"") == field.name>
@Version
</#if>
<#-- 逻辑删除注解 -->
<#if (logicDeleteFieldName!"") == field.name>
@TableLogic
</#if>
private ${field.propertyType} ${field.propertyName};
</#list>
<#------------ END 字段循环遍历 ---------->
<#if !entityLombokModel>
<#list table.fields as field>
<#if field.propertyType == "boolean">
<#assign getprefix="is"/>
<#else>
<#assign getprefix="get"/>
</#if>
public ${field.propertyType} ${getprefix}${field.capitalName}() {
return ${field.propertyName};
}
<#if entityBuilderModel>
public ${entity} set${field.capitalName}(${field.propertyType} ${field.propertyName}) {
<#else>
public void set${field.capitalName}(${field.propertyType} ${field.propertyName}) {
</#if>
this.${field.propertyName} = ${field.propertyName};
<#if entityBuilderModel>
return this;
</#if>
}
</#list>
</#if>
<#if entityColumnConstant>
<#list table.fields as field>
public static final String ${field.name?upper_case} = "${field.name}";
</#list>
</#if>
<#if activeRecord>
@Override
protected Serializable pkVal() {
<#if keyPropertyName??>
return this.${keyPropertyName};
<#else>
return null;
</#if>
}
</#if>
<#if !entityLombokModel>
@Override
public String toString() {
return "${entity}{" +
<#list table.fields as field>
<#if field_index==0>
"${field.propertyName}=" + ${field.propertyName} +
<#else>
", ${field.propertyName}=" + ${field.propertyName} +
</#if>
</#list>
"}";
}
</#if>
}
- mapper.java.ftl
package ${package.Mapper};
import ${package.Entity}.${entity};
import ${superMapperClassPackage};
/**
* <p>
* ${table.comment!} Mapper 接口
* </p>
*
* @author ${author}
* @since ${date}
*/
<#if kotlin>
interface ${table.mapperName} : ${superMapperClass}<${entity}>
<#else>
public interface ${table.mapperName} extends ${superMapperClass}<${entity}> {
}
</#if>
- mapper.xml.ftl
<?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"/>
</#if>
<#if baseResultMap>
<!-- 通用查询映射结果 -->
<resultMap id="BaseResultMap" type="${package.Entity}.${entity}">
<#list table.fields as field>
<#if field.keyFlag><#--生成主键排在第一位-->
<id column="${field.name}" property="${field.propertyName}" />
</#if>
</#list>
<#list table.commonFields as field><#--生成公共字段 -->
<result column="${field.name}" property="${field.propertyName}" />
</#list>
<#list table.fields as field>
<#if !field.keyFlag><#--生成普通字段 -->
<result column="${field.name}" property="${field.propertyName}" />
</#if>
</#list>
</resultMap>
</#if>
<#if baseColumnList>
<!-- 通用查询结果列 -->
<sql id="Base_Column_List">
<#list table.commonFields as field>
${field.name},
</#list>
${table.fieldNames}
</sql>
</#if>
</mapper>
- service.java.ftl
package ${package.Service};
import ${package.Entity}.${entity};
import ${superServiceClassPackage};
/**
* <p>
* ${table.comment!} 服务类
* </p>
*
* @author ${author}
* @since ${date}
*/
<#if kotlin>
interface ${table.serviceName} : ${superServiceClass}<${entity}>
<#else>
public interface ${table.serviceName} extends ${superServiceClass}<${entity}> {
}
</#if>
- serviceImpl.java.ftl
package ${package.ServiceImpl};
import ${package.Entity}.${entity};
import ${package.Mapper}.${table.mapperName};
import ${package.Service}.${table.serviceName};
import ${superServiceImplClassPackage};
import org.springframework.stereotype.Service;
/**
* <p>
* ${table.comment!} 服务实现类
* </p>
*
* @author ${author}
* @since ${date}
*/
@Service
<#if kotlin>
open class ${table.serviceImplName} : ${superServiceImplClass}<${table.mapperName}, ${entity}>(), ${table.serviceName} {
}
<#else>
public class ${table.serviceImplName} extends ${superServiceImplClass}<${table.mapperName}, ${entity}> implements ${table.serviceName} {
}
</#if>
- 入口文件
package com.springboot.mybatisplusgenerator;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
@MapperScan("com.springboot.mybatisplusgenerator.zcy.mapper")
public class SpringbootMybatisPlusGeneratorApplication {
public static void main(String[] args) {
SpringApplication.run(SpringbootMybatisPlusGeneratorApplication.class, args);
}
}