spring boot 、mybatis-plus、shiro整合入门教程(一)——mybatis-plus代码生成器

最近在研究spring boot、mybatis-plus、shiro等技术框架的整合，为此设计了一套简单的权限系统，在其中实现了主要的业务功能，增加一些功能代码和技术技巧，提高自己的代码能力 项目整体结构图： 项目整体依赖的pom文件：

<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.agile.demo</groupId> <artifactId>agile_demo</artifactId> <version>1.0-SNAPSHOT</version> <packaging>jar</packaging> <description>agile-demo</description> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.1.3.RELEASE</version> </parent> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> <java.version>1.8</java.version> <mybatis-plus.version>3.1.0</mybatis-plus.version> <mysql.version>8.0.15</mysql.version> <minio.version>6.0.2</minio.version> <shiro.version>1.4.0</shiro.version> <kaptcha.version>0.0.9</kaptcha.version> <hutool.version>4.4.5</hutool.version> <commons.fileupload.version>1.3.3</commons.fileupload.version> <commons.io.version>2.5</commons.io.version> <druid.version>1.1.15</druid.version> <mybatis-plus-generator.version>3.1.0</mybatis-plus-generator.version> <freemarker.version>2.3.28</freemarker.version> <fastjson.version>1.2.31</fastjson.version> <dynamic-datasource.version>2.5.4</dynamic-datasource.version> <commons.version>3.8.1</commons.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-aop</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-redis</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-freemarker</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-configuration-processor</artifactId> <optional>true</optional> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-devtools</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.boot</groupId> <artifactId>spring-boot-starter-jdbc</artifactId> </dependency> <dependency> <groupId>com.baomidou</groupId> <artifactId>mybatis-plus-extension</artifactId> <version>${mybatis-plus.version}</version> </dependency> <dependency> <groupId>com.baomidou</groupId> <artifactId>mybatis-plus-boot-starter</artifactId> <version>${mybatis-plus.version}</version> </dependency> <dependency> <groupId>com.baomidou</groupId> <artifactId>dynamic-datasource-spring-boot-starter</artifactId> <version>${dynamic-datasource.version}</version> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>${mysql.version}</version> </dependency> <dependency> <groupId>commons-fileupload</groupId> <artifactId>commons-fileupload</artifactId> <version>${commons.fileupload.version}</version> </dependency> <dependency> <groupId>commons-io</groupId> <artifactId>commons-io</artifactId> <version>${commons.io.version}</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-actuator</artifactId> </dependency> <dependency> <groupId>io.minio</groupId> <artifactId>minio</artifactId> <version>${minio.version}</version> </dependency> <dependency> <groupId>cn.hutool</groupId> <artifactId>hutool-all</artifactId> <version>${hutool.version}</version> </dependency> <dependency> <groupId>org.apache.shiro</groupId> <artifactId>shiro-core</artifactId> <version>${shiro.version}</version> </dependency> <dependency> <groupId>org.apache.shiro</groupId> <artifactId>shiro-spring</artifactId> <version>${shiro.version}</version> </dependency> <dependency> <groupId>com.github.axet</groupId> <artifactId>kaptcha</artifactId> <version>${kaptcha.version}</version> </dependency> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <scope>provided</scope> </dependency> <dependency> <groupId>com.baomidou</groupId> <artifactId>mybatis-plus-generator</artifactId> <version>${mybatis-plus-generator.version}</version> </dependency> <dependency> <groupId>org.freemarker</groupId> <artifactId>freemarker</artifactId> <version>${freemarker.version}</version> </dependency> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>${fastjson.version}</version> </dependency> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-lang3</artifactId> <version>${commons.version}</version> </dependency> </dependencies> <build> <finalName>${artifactId}</finalName> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> <configuration> <fork>true</fork> </configuration> </plugin> </plugins> </build> </project>

第一步，先把mybatis-plus的代码生成器整合进去

<dependency> <groupId>com.baomidou</groupId> <artifactId>mybatis-plus-generator</artifactId> <version>${mybatis-plus-generator.version}</version> </dependency> <dependency> <groupId>org.freemarker</groupId> <artifactId>freemarker</artifactId> <version>${freemarker.version}</version> </dependency>``` 第二步，编写代码生成器的代码 public class CodeGenerate { public static void main(String[] args) { //用来获取Mybatis-Plus.properties文件的配置信息 final ResourceBundle rb = ResourceBundle.getBundle("mybatis-plus"); // 代码生成器 AutoGenerator mpg = new AutoGenerator(); // 全局配置 GlobalConfig gc = new GlobalConfig(); gc.setOutputDir(rb.getString("OutputDir")); gc.setOpen(false); gc.setBaseResultMap(true); gc.setBaseColumnList(true); gc.setAuthor(rb.getString("author")); gc.setMapperName("%sMapper"); gc.setXmlName("%sMapper"); gc.setServiceName("%sService"); gc.setServiceImplName("%sServiceImpl"); gc.setControllerName("%sController"); mpg.setGlobalConfig(gc); // 数据源配置 com.baomidou.mybatisplus.generator.config.DataSourceConfig dsc = new DataSourceConfig(); dsc.setDbType(DbType.MYSQL); dsc.setUrl(rb.getString("url")); dsc.setDriverName("com.mysql.jdbc.Driver"); dsc.setUsername(rb.getString("userName")); dsc.setPassword(rb.getString("password")); mpg.setDataSource(dsc); // 自定义配置 InjectionConfig cfg = new InjectionConfig() { @Override public void initMap() { // to do nothing } }; List<FileOutConfig> focList = new ArrayList<>(); focList.add(new FileOutConfig("/templates/mapper.xml.ftl") { @Override public String outputFile(TableInfo tableInfo) { // 自定义输入文件名称 return rb.getString("OutputDirXml") + "/mapper/" + rb.getString("className") + "/" + tableInfo.getEntityName() + StringPool.DOT_XML; } }); cfg.setFileOutConfigList(focList); mpg.setCfg(cfg); mpg.setTemplate(new TemplateConfig().setXml(null)); // 策略配置 StrategyConfig strategy = new StrategyConfig(); strategy.setNaming(NamingStrategy.underline_to_camel); strategy.setColumnNaming(NamingStrategy.underline_to_camel); strategy.setEntityLombokModel(true); strategy.setInclude(new String[]{rb.getString("tableName")}); mpg.setStrategy(strategy); mpg.setTemplateEngine(new FreemarkerTemplateEngine()); mpg.execute(); }

}``` 第三步：自动生成器的配置

#此处为本项目src所在路径（代码生成器输出路径） OutputDir=/Users/yiliu/IdeaProjects/agile-demo/src/main/java #mapper.xml的生成位置 OutputDirXml=/Users/yiliu/IdeaProjects/agile-demo/src/main/java #数据库表名(此处切不可为空，如果为空，则默认读取数据库的所有表名) tableName=sys_log #装代码的文件夹名 className= #设置作者 author=liuyi #自定义包路径 parent= #数据库地址 url=jdbc:mysql://localhost:3306/agile_demo?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT+8&nullCatalogMeansCurrent=true&tinyInt1isBit=false userName=root password=

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