springboot项目使用mybatis-plus一键生成所有代码

其他 2021-03-01 23:17:33 阅读次数: 0

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);
    }

}

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