pom.xml文件的配置
<dependency> <groupId>com.baomidou</groupId> <artifactId>mybatis-plus-boot-starter</artifactId> <version>3.3.0</version></dependency><dependency> <groupId>com.baomidou</groupId> <artifactId>mybatis-plus-generator</artifactId> <version>3.1.0</version></dependency><!-- 代码生成器模板 --><dependency> <groupId>org.apache.velocity</groupId> <artifactId>velocity</artifactId> <version>1.7</version></dependency>
CodeGenerator配置文件
import java.text.SimpleDateFormat;import java.util.Date;import java.util.HashMap;import java.util.Map;import com.baomidou.mybatisplus.annotation.DbType;import com.baomidou.mybatisplus.annotation.IdType;import com.baomidou.mybatisplus.generator.AutoGenerator;import com.baomidou.mybatisplus.generator.InjectionConfig;import com.baomidou.mybatisplus.generator.config.DataSourceConfig;import com.baomidou.mybatisplus.generator.config.GlobalConfig;import com.baomidou.mybatisplus.generator.config.PackageConfig;import com.baomidou.mybatisplus.generator.config.StrategyConfig;import com.baomidou.mybatisplus.generator.config.TemplateConfig;import com.baomidou.mybatisplus.generator.config.rules.NamingStrategy;import lombok.extern.java.Log;/** * 代码生成器 */@Logpublic class CodeGenerator { //项目存储位置 public static String PROJECT_GENERATE_DISK = "E:\\"; //包名 public static String PARENT_PACKAGE_NAME = "com"; //包名 public static String PACKAGE_NAME = "rent.security"; //数据库地址 public static String DB_URL = "jdbc:mysql://localhost:3306/mp?useUnicode=true&useSSL=false&characterEncoding=utf8&serverTimezone=UTC"; //数据库实例名 public static String DRIVER_CLASS_NAME = "com.mysql.jdbc.Driver"; //数据库用户 public static String USER = "root"; //数据库密码 public static String PASSWORD = "root"; //数据库schema public static String SCHEMA = "mp"; //要查询的表名 public static String TABLE_NAMES = "sys_role_menu"; //创建人 public static String AUTHOR = "jmm"; //是否强制带上注解 public static boolean ENABLE_TABLE_FIELD_ANNOTATION = false; //生成的注解带上IdType类型 public static IdType TABLE_IDTYPE = null; //生成的Service 接口类名是否以I开头 默认是以I开头 user表 -> IUserService, UserServiceImpl public static boolean SERVICE_CLASS_NAME_START_WITHI = false; /** * 全局配置 */ private static GlobalConfig GlobalGenerate() { GlobalConfig config = new GlobalConfig(); config.setActiveRecord(false)// 不需要ActiveRecord特性的请改为false .setIdType(TABLE_IDTYPE) .setEnableCache(false)// XML 二级缓存 .setAuthor(AUTHOR) .setBaseResultMap(true)// XML ResultMap .setBaseColumnList(false)// XML columList .setOutputDir(PROJECT_GENERATE_DISK + "\\java" ) .setFileOverride(true) .setControllerName("%sController" );//自定义文件命名，注意 %s 会自动填充表实体属性！ if (!SERVICE_CLASS_NAME_START_WITHI) { config.setServiceName("%sService" ); } return config; } /** * 数据源配置 */ private static DataSourceConfig DaoSourceGenerate() { DataSourceConfig dataSourceConfig = new DataSourceConfig(); DbType type = DbType.MYSQL; dataSourceConfig.setDbType(type)//数据库类型 .setUrl(DB_URL)//数据库地址 .setUsername(USER)//数据库用户名 .setPassword(PASSWORD)//数据库密码 .setDriverName(DRIVER_CLASS_NAME)//实例名 .setSchemaName(SCHEMA); return dataSourceConfig; } /** * 策略配置 */ private static StrategyConfig StrategyGenerate() { StrategyConfig strategyConfig = new StrategyConfig(); strategyConfig.setVersionFieldName("version" ) .setCapitalMode(true)// 全局大写命名 ORACLE 注意 .setEntityLombokModel(false) .setNaming(NamingStrategy.underline_to_camel)// 表名生成策略 .entityTableFieldAnnotationEnable(ENABLE_TABLE_FIELD_ANNOTATION) .setInclude(TABLE_NAMES)//修改替换成你需要的表名，多个表名传数组 .setEntityColumnConstant(true)// 【实体】是否生成字段常量（默认 false）public static final String ID = "test_id"; .setEntityBuilderModel(true);// 【实体】是否为构建者模型（默认 false）public User setName(String name) {this.name = name; return this;} return strategyConfig; } /** * 自定义模板配置 */ private static TemplateConfig TemplateGenerate() { TemplateConfig templateConfig = new TemplateConfig() .setController("templates/java/controller.java" ) .setService("templates/java/service.java" ) .setServiceImpl("templates/java/serviceImpl.java" ) .setMapper("templates/java/mapper.java" ); return templateConfig; } private static final String MODULE_NAME = "sysRoleMenu"; private static final String CLASS_NAME = "SysRoleMenu"; private static final String class_name = "sysRoleMenu"; /** * 自定义文件及key */ private static InjectionConfig FileGenerate() { InjectionConfig injectionConfig = new InjectionConfig() { @Override public void initMap() {//自定义参数 Map<String, Object> map = new HashMap<>(); //这些自定义的值在vm模板的语法是通过${cfg.xxx}来调用的。 map.put("moduleName", MODULE_NAME); map.put("ClassName", CLASS_NAME); map.put("className", class_name); map.put("packageName", PARENT_PACKAGE_NAME + "." + PACKAGE_NAME); map.put("author", AUTHOR); map.put("datetime", new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date())); this.setMap(map); } }; return injectionConfig; } /** * 包配置 */ public static PackageConfig PackageGenerate() { PackageConfig pc = new PackageConfig().setParent("com" ) .setModuleName(PACKAGE_NAME) .setController("controller") .setEntity("domain") .setMapper("dao") .setXml("mapper"); return pc; } public static void main(String[] args) { //全局配置 GlobalConfig config = GlobalGenerate(); //配置数据源 DataSourceConfig dataSourceConfig = DaoSourceGenerate(); //配置策略 StrategyConfig strategyConfig = StrategyGenerate(); //配置模板 TemplateConfig templateConfig = TemplateGenerate(); //自定义值 InjectionConfig injectionConfig = FileGenerate(); //配置包 PackageConfig packageConfig = PackageGenerate(); //生成代码 new AutoGenerator().setGlobalConfig(config) .setTemplate(templateConfig)//自定义模板路径 .setCfg(injectionConfig) .setDataSource(dataSourceConfig) .setStrategy(strategyConfig) .setPackageInfo(packageConfig) .execute(); }}
一定要注意！！！InjectionConfig方法中自定义的Map返回对象可以返回给模板调用，调用方法是${cfg.xxx}
vm模板代码实例
package ${package.Controller}; //这样写是依据步骤2的PackageConfig方法配置import java.util.List;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.GetMapping;import org.springframework.web.bind.annotation.PathVariable;import org.springframework.web.bind.annotation.PostMapping;import org.springframework.web.bind.annotation.RequestMapping;import ${package.Entity}.${cfg.ClassName};import ${package.Service}.${cfg.ClassName}Service;import com.rent.model.AjaxResult;/** * ${cfg.moduleName}Controller * * @author ${author} * @date ${cfg.datetime} */@Controller@RequestMapping("/${cfg.moduleName}/${cfg.className}")public class ${cfg.ClassName}Controller extends BaseController @Autowired private ${cfg.ClassName}Service ${cfg.className}Service; /** * 查询${cfg.className}列表 */ @GetMapping("/list") public TableDataInfo list(@RequestParam int pageNumber, @RequestParam int pageSize) { Page<${cfg.ClassName}> page = ${cfg.className}Service.select${cfg.ClassName}Page(pageNumber, pageSize); return page; } /** * 新增保存${cfg.ClassName} */ @PostMapping("/add${cfg.ClassName}") public AjaxResult addSave(${cfg.ClassName} ${cfg.ClassName}) { boolean ret = ${cfg.ClassName}Service.save(${cfg.ClassName}); return new AjaxResult(ret, ret ? "成功" : "失败"); } /** * 修改保存${cfg.ClassName} */ @PostMapping("/edit") public AjaxResult editSave(${cfg.ClassName} ${cfg.ClassName}) { boolean ret = ${cfg.ClassName}Service.updateById(${cfg.ClassName}); return new AjaxResult(ret, ret ? "成功" : "失败"); } @PostMapping("deleteById") @ApiOperation("根据ID删除${cfg.ClassName}") public AjaxResult<${cfg.ClassName}> deleteById(Long id) { boolean ret = ${cfg.ClassName}Service.removeById(id); return new AjaxResult(true, ret ? "成功" : "失败"); } @PostMapping("findById") @ApiOperation("根据ID查询${cfg.ClassName}") public AjaxResult<${cfg.ClassName}> findById(Long id) { ${cfg.ClassName} user = ${cfg.ClassName}Service.getById(id); return new AjaxResult(true, "成功", user); }}
最后如果需要更详细的vm调用请参阅官方文档：https://baomidou.com/config/generator-config.html#datasource
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失败是成功的亲娘，没有失败哪来的成功呢?诺贝尔如果不经历千万次的失败，
