mybatis-plus逆向code generator pgsql实践
mybatis-plus逆向code generator pgsql实践
- 环境准备
-
- 重要工具的版本
- 供参考pom依赖
- 待逆向的SQL
- 配置文件
-
- CodeGenerator配置类
- 配置类说明
环境准备
重要工具的版本
- jdk1.8.0_131
- springboot 2.7.6
- mybatis-plus 3.5.7
- pgsql 14.15
供参考pom依赖
<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>4.0.0modelVersion>
<groupId>com.tghgroupId>
<artifactId>parent-demoartifactId>
<version>0.0.1-SNAPSHOTversion>
<name>parent-demoname>
<description>parent-demodescription>
<modules>
<module>security-demomodule>
modules>
<properties>
<java.version>1.8java.version>
<project.build.sourceEncoding>UTF-8project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8project.reporting.outputEncoding>
<spring-boot.version>2.7.6spring-boot.version>
properties>
<packaging>pompackaging>
<dependencies>
<dependency>
<groupId>org.springframework.bootgroupId>
<artifactId>spring-boot-starter-securityartifactId>
dependency>
<dependency>
<groupId>org.springframework.bootgroupId>
<artifactId>spring-boot-starter-thymeleafartifactId>
dependency>
<dependency>
<groupId>org.springframework.bootgroupId>
<artifactId>spring-boot-starter-webartifactId>
dependency>
<dependency>
<groupId>org.thymeleaf.extrasgroupId>
<artifactId>thymeleaf-extras-springsecurity5artifactId>
dependency>
<dependency>
<groupId>org.springframework.bootgroupId>
<artifactId>spring-boot-devtoolsartifactId>
<scope>runtimescope>
<optional>trueoptional>
dependency>
<dependency>
<groupId>org.postgresqlgroupId>
<artifactId>postgresqlartifactId>
<scope>runtimescope>
dependency>
<dependency>
<groupId>com.baomidougroupId>
<artifactId>mybatis-plus-boot-starterartifactId>
<version>3.5.7version>
dependency>
<dependency>
<groupId>com.baomidougroupId>
<artifactId>mybatis-plus-generatorartifactId>
<version>3.5.7version>
dependency>
<dependency>
<groupId>com.github.xiaoymingroupId>
<artifactId>knife4j-openapi2-spring-boot-starterartifactId>
<version>4.4.0version>
dependency>
<dependency>
<groupId>org.freemarkergroupId>
<artifactId>freemarkerartifactId>
<version>2.3.30version>
dependency>
<dependency>
<groupId>org.projectlombokgroupId>
<artifactId>lombokartifactId>
<optional>trueoptional>
dependency>
<dependency>
<groupId>org.springframework.bootgroupId>
<artifactId>spring-boot-starter-testartifactId>
<scope>testscope>
dependency>
<dependency>
<groupId>org.springframework.securitygroupId>
<artifactId>spring-security-testartifactId>
<scope>testscope>
dependency>
<dependency>
<groupId>com.alibaba.fastjson2groupId>
<artifactId>fastjson2artifactId>
<version>2.0.51version>
dependency>
dependencies>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.bootgroupId>
<artifactId>spring-boot-dependenciesartifactId>
<version>${spring-boot.version}version>
<type>pomtype>
<scope>importscope>
dependency>
dependencies>
dependencyManagement>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.pluginsgroupId>
<artifactId>maven-compiler-pluginartifactId>
<version>3.8.1version>
<configuration>
<source>1.8source>
<target>1.8target>
<encoding>UTF-8encoding>
configuration>
plugin>
<plugin>
<groupId>org.springframework.bootgroupId>
<artifactId>spring-boot-maven-pluginartifactId>
<version>${spring-boot.version}version>
<configuration>
<mainClass>com.tgh.parentdemo.ParentDemoApplicationmainClass>
<skip>trueskip>
configuration>
<executions>
<execution>
<id>repackageid>
<goals>
<goal>repackagegoal>
goals>
execution>
executions>
plugin>
plugins>
build>
project>
待逆向的SQL
-- 文档主表
CREATE TABLE t_document_m (
doc_m_id varchar(32) COLLATE pg_catalog.default NOT NULL,
doc_m_name varchar(100) COLLATE pg_catalog.default,
relate_biz_id varchar(32) COLLATE pg_catalog.default,
create_time timestamp(0),
create_by_uuid varchar(32) COLLATE pg_catalog.default,
create_by_account varchar(32) COLLATE pg_catalog.default,
create_by_name varchar(100) COLLATE pg_catalog.default,
last_update_time timestamp(0),
last_update_uuid varchar(32) COLLATE pg_catalog.default,
last_update_account varchar(32) COLLATE pg_catalog.default,
last_update_name varchar(100) COLLATE pg_catalog.default,
CONSTRAINT t_document_m_pkey PRIMARY KEY (doc_m_id)
)
;
COMMENT ON COLUMN t_document_m.doc_m_id IS '文档主表ID';
COMMENT ON COLUMN t_document_m.doc_m_name IS '文档主表名称';
COMMENT ON COLUMN t_document_m.relate_biz_id IS '关联业务ID';
COMMENT ON COLUMN t_document_m.create_time IS '创建时间';
COMMENT ON COLUMN t_document_m.create_by_uuid IS '创建人uuid';
COMMENT ON COLUMN t_document_m.create_by_account IS '创建人账号';
COMMENT ON COLUMN t_document_m.create_by_name IS '创建人名称';
COMMENT ON COLUMN t_document_m.last_update_time IS '最后更新时间';
COMMENT ON COLUMN t_document_m.last_update_uuid IS '最后跟新人uuid';
COMMENT ON COLUMN t_document_m.last_update_account IS '最后更新人账号';
COMMENT ON COLUMN t_document_m.last_update_name IS '最后更新人名称';
COMMENT ON TABLE t_document_m IS '文档主表';
-- 文档明细表
CREATE TABLE t_document_d (
doc_d_id varchar(32) COLLATE pg_catalog.default NOT NULL,
doc_m_id varchar(32) COLLATE pg_catalog.default,
doc_d_name varchar(255) COLLATE pg_catalog.default,
file_id varchar(32) COLLATE pg_catalog.default,
file_name varchar(100) COLLATE pg_catalog.default,
file_suffix varchar(10) COLLATE pg_catalog.default,
file_size varchar(10) COLLATE pg_catalog.default,
create_time timestamp(0),
create_by_uuid varchar(32) COLLATE pg_catalog.default,
create_by_account varchar(32) COLLATE pg_catalog.default,
create_by_name varchar(100) COLLATE pg_catalog.default,
last_update_time timestamp(0),
last_update_uuid varchar(32) COLLATE pg_catalog.default,
last_update_account varchar(32) COLLATE pg_catalog.default,
last_update_name varchar(100) COLLATE pg_catalog.default,
CONSTRAINT t_document_d_pkey PRIMARY KEY (doc_d_id)
)
;
COMMENT ON COLUMN t_document_d.doc_d_id IS '文档明细ID';
COMMENT ON COLUMN t_document_d.doc_m_id IS '文档主表ID';
COMMENT ON COLUMN t_document_d.doc_d_name IS '文档主表名称';
COMMENT ON COLUMN t_document_d.file_id IS '文件业务ID';
COMMENT ON COLUMN t_document_d.file_name IS '文件名称';
COMMENT ON COLUMN t_document_d.file_suffix IS '文件后缀';
COMMENT ON COLUMN t_document_d.file_size IS '单位kb';
COMMENT ON COLUMN t_document_d.create_time IS '创建时间';
COMMENT ON COLUMN t_document_d.create_by_uuid IS '创建人uuid';
COMMENT ON COLUMN t_document_d.create_by_account IS '创建人账号';
COMMENT ON COLUMN t_document_d.create_by_name IS '创建人名称';
COMMENT ON COLUMN t_document_d.last_update_time IS '最后更新时间';
COMMENT ON COLUMN t_document_d.last_update_uuid IS '最后跟新人uuid';
COMMENT ON COLUMN t_document_d.last_update_account IS '最后更新人账号';
COMMENT ON COLUMN t_document_d.last_update_name IS '最后更新人名称';
COMMENT ON TABLE t_document_d IS '文档明细表';
配置文件
CodeGenerator配置类
参考代码生成器的快速生成
package com.mapper;
import com.baomidou.mybatisplus.generator.FastAutoGenerator;
import com.baomidou.mybatisplus.generator.config.OutputFile;
import com.baomidou.mybatisplus.generator.config.rules.DbColumnType;
import com.baomidou.mybatisplus.generator.engine.FreemarkerTemplateEngine;
import java.sql.Types;
import java.util.Collections;
/**
* @author PineTree
* @description: TODO
* @date 2025/2/12 22:56
*/
public class CodeGenerator {
public static void main(String[] args) {
FastAutoGenerator.create("jdbc:postgresql://192.168.32.155:8848/security-demo", "postgres", "postgres")
.globalConfig(builder -> {
builder.author("PineTree") // 设置作者
.enableSwagger() // 开启 swagger 模式
.outputDir("F:\\Development-files\\Java\\parent-demo\\security-demo\\src\\main\\java"); // 指定输出目录
})
.dataSourceConfig(builder ->
builder.typeConvertHandler((globalConfig, typeRegistry, metaInfo) -> {
int typeCode = metaInfo.getJdbcType().TYPE_CODE;
if (typeCode == Types.SMALLINT) {
// 自定义类型转换
return DbColumnType.INTEGER;
}
return typeRegistry.getColumnType(metaInfo);
})
)
.packageConfig(builder ->
builder.parent("com.tgh") // 设置父包名
.moduleName("securitydemo") // 设置父包模块名
.pathInfo(Collections.singletonMap(OutputFile.xml, "F:\\Development-files\\Java\\parent-demo\\security-demo\\src\\main\\resources\\mapper")) // 设置mapperXml生成路径
)
.strategyConfig(builder ->
builder.addInclude("t_document_d", "t_document_m") // 设置需要生成的表名
.addTablePrefix("t_", "c_") // 设置过滤表前缀
)
.templateEngine(new FreemarkerTemplateEngine()) // 使用Freemarker引擎模板，默认的是Velocity引擎模板
.execute();
}
}
配置类说明
运行后会在指定的目录和包下生成class和xml文件，一般情况下，只需要修改这六处地方即可，若有进一步需求，后续补充
本博客设计到的代码commit记录可参考：
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