mybatis-plus:代碼自動生成器

5、代碼自動生成器

可以自動生成部分代碼，并且注解生成的比自己寫的還要标準。總之很好用！

package com.danmo;

import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.annotation.FieldFill;
import com.baomidou.mybatisplus.annotation.IdType;
import com.baomidou.mybatisplus.core.exceptions.MybatisPlusException;
import com.baomidou.mybatisplus.generator.AutoGenerator;
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.po.TableFill;
import com.baomidou.mybatisplus.generator.config.rules.DateType;
import com.baomidou.mybatisplus.generator.config.rules.NamingStrategy;
import org.junit.platform.commons.util.StringUtils;
import org.springframework.boot.test.context.SpringBootTest;

import java.util.ArrayList;
import java.util.Scanner;

@SpringBootTest
public class CodeGenerator {
    /**
     * 讀取控制台内容
     */
    public static String scanner(String tip) {
        Scanner scanner = new Scanner(System.in);
        StringBuilder help = new StringBuilder();
        help.append("請輸入" + tip + "：");
        System.out.println(help.toString());
        if (scanner.hasNext()) {
            String ipt = scanner.next();
            if (StringUtils.isNotBlank(ipt)) {
                return ipt;
            }
        }
        throw new MybatisPlusException("請輸入正确的" + tip + "！");
    }

    public static void main(String[] args) {
        // 代碼生成器
        AutoGenerator mpg = new AutoGenerator();
        // 配置政策

        //1、全局配置
        GlobalConfig gc = new GlobalConfig();
        String projectPath = System.getProperty("user.dir");
        gc.setOutputDir(projectPath + "/src/main/java");
        gc.setAuthor("淡墨");
        gc.setOpen(false);
        gc.setFileOverride(false);
        gc.setServiceName("%sService");
        gc.setIdType(IdType.AUTO);
        gc.setDateType(DateType.ONLY_DATE);
        gc.setSwagger2(true);
        mpg.setGlobalConfig(gc);

        //2.設定資料源
        DataSourceConfig dsc = new DataSourceConfig();
        dsc.setUrl("jdbc:mysql://localhost:3306/mybatis?serverTimezone=UTC&useUnicode=true&characterEncoding=utf-8&serverTimezone=GMT%2B8");
        dsc.setDriverName("com.mysql.jdbc.Driver");
        dsc.setUsername("root");
        dsc.setPassword("");
        dsc.setDbType(DbType.MYSQL);
        mpg.setDataSource(dsc);

        //3.包的配置
        PackageConfig pc = new PackageConfig();
        pc.setModuleName(scanner("子產品名"));
        pc.setParent("com.danmo");
        pc.setEntity("Pojo");
        pc.setMapper("Mapper");
        pc.setService("Service");
        pc.setController("Controller");
        mpg.setPackageInfo(pc);

        //4、政策設定
        StrategyConfig strategy = new StrategyConfig();
        strategy.setInclude(scanner("表名，多個英文逗号分割").split(","));
        strategy.setNaming(NamingStrategy.underline_to_camel);
        strategy.setColumnNaming(NamingStrategy.underline_to_camel);
        strategy.setEntityLombokModel(true);
        mpg.setStrategy(strategy);

        //自動填充配置
        TableFill createTime = new TableFill("create_time", FieldFill.INSERT);
        TableFill updateTime = new TableFill("update_time", FieldFill.INSERT_UPDATE);
        ArrayList<TableFill> tableFills = new ArrayList<>();
        tableFills.add(createTime);
        tableFills.add(updateTime);
        strategy.setTableFillList(tableFills);
        // 樂觀鎖
        strategy.setVersionFieldName("version");
        strategy.setRestControllerStyle(true);
        strategy.setControllerMappingHyphenStyle(true);
        mpg.setStrategy(strategy);
        mpg.execute();
    }
}