MybatisPlus代码生成器（即取即用版本）

痛定思痛。 2022-03-02 03:48 312阅读 0赞

package com.risktech.web;
    
    import com.baomidou.mybatisplus.annotation.DbType;
    import com.baomidou.mybatisplus.core.exceptions.MybatisPlusException;
    import com.baomidou.mybatisplus.core.toolkit.StringPool;
    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 org.apache.commons.lang3.StringUtils;
    
    import java.io.File;
    import java.io.IOException;
    import java.util.*;
    
    // 演示例子，执行 main 方法控制台输入模块表名回车自动生成对应项目目录中
    public class CodeGenerator {
        /**
         * 项目路径
         *
         */
        private static String canonicalPath = "H:\\IDEAworkspace\\risktech_1";
    
        /**
         * 基本包名
         */
        private static String basePackage = "com.risktech.web";
    
        /**
         * 作者
         */
        private static String authorName = "CS";
    
    
        private static String[] tables = {"r_basic_company_service","r_basic_role_menu","r_basic_service_menu"};
        /**
         * table前缀
         */
        private static  String[] prefix = {"r_basic","t_basic","t_matrix","t_node"};
    
        /**
         * 数据库类型
         */
        private static DbType dbType = DbType.MYSQL;
    
        /**
         * 数据库配置四要素
         */
        private static String driverName = "com.mysql.jdbc.Driver";
        private static String url = "jdbc:mysql://192.168.0.116:3306/risktech?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false";
        private static String username = "root";
        private static String password = "123456";
    
    
        public static void main(String[] args) {
            // 代码生成器
            AutoGenerator mpg = new AutoGenerator();
    
            /**
             * 获取项目路径
             */
            try {
                canonicalPath = new File("").getCanonicalPath();
            } catch (IOException e) {
                e.printStackTrace();
            }
    
            // 全局配置
            GlobalConfig globalConfig = new GlobalConfig();
            globalConfig.setOutputDir(canonicalPath + "/src/main/java");
            globalConfig.setFileOverride(true);
            globalConfig.setActiveRecord(true);
            globalConfig.setEnableCache(false);
            globalConfig.setBaseResultMap(true);
            globalConfig.setBaseColumnList(true);
            globalConfig.setOpen(true);
            globalConfig.setAuthor(authorName);
            globalConfig.setMapperName("%sMapper");
            globalConfig.setXmlName("%sMapper");
            globalConfig.setServiceName("%sService");
            globalConfig.setServiceImplName("%sServiceImpl");
            globalConfig.setControllerName("%sController");
            mpg.setGlobalConfig(globalConfig);
    
            // 数据源配置
            DataSourceConfig dataSourceConfig = new DataSourceConfig();
            dataSourceConfig.setDriverName(driverName);
            dataSourceConfig.setDbType(dbType);
            dataSourceConfig.setUrl(url);
            dataSourceConfig.setUsername(username);
            dataSourceConfig.setPassword(password);
            mpg.setDataSource(dataSourceConfig);
    
            // 包配置
            PackageConfig packageConfig = new PackageConfig();
            packageConfig.setParent(basePackage);
            packageConfig.setController("controller");
            packageConfig.setEntity("entity");
            packageConfig.setMapper("mapper");
            packageConfig.setService("service");
            packageConfig.setServiceImpl("service.impl");
            mpg.setPackageInfo(packageConfig);
    
            // 自定义配置
            InjectionConfig cfg = new InjectionConfig() {
                @Override
                public void initMap() {
                    // to do nothing
                }
            };
    
            /**
             * 注入自定义配置
             */
            // 注入自定义配置，可以在 VM 中使用 cfg.abc 设置的值
            InjectionConfig abc = new InjectionConfig() {
                @Override
                public void initMap() {
                    Map<String, Object> map = new HashMap<String, Object>();
                    map.put("abc", this.getConfig().getGlobalConfig().getAuthor() + "-mp");
                    this.setMap(map);
                }
            };
            //自定义文件输出位置（非必须）
            List<FileOutConfig> fileOutList = new ArrayList<FileOutConfig>();
            fileOutList.add(new FileOutConfig("/templates/mapper.xml.vm") {
                @Override
                public String outputFile(TableInfo tableInfo) {
                    return canonicalPath + "/src/main/resources/mapper/" + tableInfo.getEntityName() + "Mapper.xml";
                }
            });
            abc.setFileOutConfigList(fileOutList);
            mpg.setCfg(abc);
    
            // 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
            StrategyConfig strategyConfig = new StrategyConfig();
            strategyConfig.setTablePrefix(prefix);
            strategyConfig.setNaming(NamingStrategy.underline_to_camel);
            strategyConfig.setInclude(tables);
            strategyConfig.setEntityBuilderModel(true);
            mpg.setStrategy(strategyConfig);
            mpg.execute();
        }
    
    }