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
<?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>
<groupId>com.tgh</groupId>
<artifactId>parent-demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>parent-demo</name>
<description>parent-demo</description>
<modules>
<module>security-demo</module>
</modules>
<properties>
<java.version>1.8</java.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<spring-boot.version>2.7.6</spring-boot.version>
</properties>
<packaging>pom</packaging>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.thymeleaf.extras</groupId>
<artifactId>thymeleaf-extras-springsecurity5</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-boot-starter</artifactId>
<version>3.5.7</version>
</dependency>
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-generator</artifactId>
<version>3.5.7</version>
</dependency>
<dependency>
<groupId>com.github.xiaoymin</groupId>
<artifactId>knife4j-openapi2-spring-boot-starter</artifactId>
<version>4.4.0</version>
</dependency>
<dependency>
<groupId>org.freemarker</groupId>
<artifactId>freemarker</artifactId>
<version>2.3.30</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.alibaba.fastjson2</groupId>
<artifactId>fastjson2</artifactId>
<version>2.0.51</version>
</dependency>
</dependencies>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-dependencies</artifactId>
<version>${spring-boot.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<version>${spring-boot.version}</version>
<configuration>
<mainClass>com.tgh.parentdemo.ParentDemoApplication</mainClass>
<skip>true</skip>
</configuration>
<executions>
<execution>
<id>repackage</id>
<goals>
<goal>repackage</goal>
</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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