demo测试

已于 2024-08-21 16:52:35 修改
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分类专栏： 笔记 文章标签： maven spring boot
于 2024-08-16 14:20:53 首次发布
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本文链接：https://blog.youkuaiyun.com/qq_53325717/article/details/141258544
版权

https://www.cnblogs.com/yanyangxue2016/p/8963047.html

目录

接口

在这里插入图片描述

common

CodeGenerator

package com.llz.demo.common;

import com.baomidou.mybatisplus.core.exceptions.MybatisPlusException;
import com.baomidou.mybatisplus.core.toolkit.StringPool;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
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 java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
public class CodeGenerator {
    /**
     * <p>
     * 读取控制台内容
     * </p>
     */
    public static String scanner(String tip) {
        Scanner scanner = new Scanner(System.in);
        StringBuilder help = new StringBuilder();
        help.append("请输⼊" + tip + "：");
        System.out.println(help.toString());
        if (scanner.hasNext()) {
            String ipt = scanner.next();
            if (StringUtils.isNotBlank(ipt)) {
                return ipt;
            }
        }
        throw new MybatisPlusException("请输⼊正确的" + tip + "！");
    }
    /**
     * 操作步骤：
     * 1.修改数据源包括地址密码信息，对应代码标记：⼀、 下同
     * 2.模块配置，可以修改包名
     * 3.修改模板（这步可忽略）
     * @param args
     */
    public static void main(String[] args) {
        // 代码⽣成器
        AutoGenerator mpg = new AutoGenerator();
        // 全局配置
        GlobalConfig gc = new GlobalConfig();
        String projectPath = System.getProperty("user.dir")+"/";
        System.out.println(projectPath);
        gc.setOutputDir(projectPath + "/src/main/java");
        gc.setAuthor("demo");
        gc.setOpen(false);
        gc.setSwagger2(true); //实体属性 Swagger2 注解
        gc.setBaseResultMap(true);// XML ResultMap
        gc.setBaseColumnList(true);// XML columList
        //去掉service接⼝⾸字⺟的I, 如DO为User则叫UserService
        gc.setServiceName("%sService");
        mpg.setGlobalConfig(gc);
        // 数据源配置
        DataSourceConfig dsc = new DataSourceConfig();
        // ⼀、修改数据源
        dsc.setUrl("jdbc:mysql://localhost:3306/wms?useUnicode=true&characterEncoding=UTF8&useSSL=false");
                // dsc.setSchemaName("public");
//                dsc.setDriverName("com.mysql.jdbc.Driver");
                dsc.setDriverName("com.mysql.cj.jdbc.Driver");
        dsc.setUsername("root");
        dsc.setPassword("123456");
        mpg.setDataSource(dsc);
        // 包配置
        PackageConfig pc = new PackageConfig();
        //pc.setModuleName(scanner("模块名"));
        // ⼆、模块配置
        pc.setParent("com.llz.demo")
                .setEntity("entity")
                .setMapper("mapper")
                .setService("service")
                .setServiceImpl("service.impl")
                .setController("controller");
        mpg.setPackageInfo(pc);
        // ⾃定义配置
        InjectionConfig cfg = new InjectionConfig() {
            @Override
            public void initMap() {
                // to do nothing
            }
        };
        // 如果模板引擎是 freemarker
        String templatePath = "templates/mapper.xml.ftl";
        // 如果模板引擎是 velocity
        // String templatePath = "/templates/mapper.xml.vm";
        // ⾃定义输出配置
        List<FileOutConfig> focList = new ArrayList<>();
        // ⾃定义配置会被优先输出
        focList.add(new FileOutConfig(templatePath) {
            @Override
            public String outputFile(TableInfo tableInfo) {
                // ⾃定义输出⽂件名 ， 如果你 Entity 设置了前后缀、此处注意 xml 的名称会跟着发⽣变化！！
                return projectPath + "/src/main/resources/mapper/" + pc.getModuleName()
                        + "/" + tableInfo.getEntityName() + "Mapper" +
                        StringPool.DOT_XML;
            }
        });
 /*
 cfg.setFileCreate(new IFileCreate() {
 @Override
 public boolean isCreate(ConfigBuilder configBuilder, FileType fileType,
String filePath) {
 // 判断⾃定义⽂件夹是否需要创建
 checkDir("调⽤默认⽅法创建的⽬录，⾃定义⽬录⽤");
 if (fileType == FileType.MAPPER) {
 // 已经⽣成 mapper ⽂件判断存在，不想重新⽣成返回 false
 return !new File(filePath).exists();
 }
 // 允许⽣成模板⽂件
 return true;
 }
 });
 */
        cfg.setFileOutConfigList(focList);
        mpg.setCfg(cfg);
        //3. ⽣成代码并测试
        //四、实现增删改查
        // 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
        // 三、修改模板
 /*templateConfig.setEntity("templates/entity2.java");
 templateConfig.setService("templates/service2.java");
 templateConfig.setController("templates/controller2.java");
 templateConfig.setMapper("templates/mapper2.java");
 templateConfig.setServiceImpl("templates/serviceimpl2.java");*/
        templateConfig.setXml(null);
        mpg.setTemplate(templateConfig);
        // 策略配置
        StrategyConfig strategy = new StrategyConfig();
        strategy.setNaming(NamingStrategy.underline_to_camel);
        strategy.setColumnNaming(NamingStrategy.underline_to_camel);
        // strategy.setSuperEntityClass("你⾃⼰的⽗类实体,没有就不⽤设置!");
        //strategy.setSuperEntityClass("BaseEntity");
        strategy.setEntityLombokModel(true);
        strategy.setRestControllerStyle(true);
        // 公共⽗类
        //strategy.setSuperControllerClass("BaseController");
        // strategy.setSuperControllerClass("你⾃⼰的⽗类控制器,没有就不⽤设置!");
        // 写于⽗类中的公共字段
        // strategy.setSuperEntityColumns("id");
        strategy.setInclude(scanner("表名，多个英⽂逗号分割").split(","));
        strategy.setControllerMappingHyphenStyle(true);
        //strategy.setTablePrefix(pc.getModuleName() + "_");
        // 忽略表前缀tb_,⽐如说tb_user,直接映射成user对象
        // 四、注意是否要去掉表前缀
        //strategy.setTablePrefix("tb_");
        mpg.setStrategy(strategy);
        mpg.setTemplateEngine(new FreemarkerTemplateEngine());
        mpg.execute();
    }
}

entity

user

package com.llz.demo.entity;

import com.baomidou.mybatisplus.annotation.IdType;
import com.baomidou.mybatisplus.annotation.TableId;
import com.baomidou.mybatisplus.annotation.TableField;
import java.io.Serializable;
import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;
import lombok.Data;
import lombok.EqualsAndHashCode;

/**
 * <p>
 * 
 * </p>
 *
 * @author demo
 * @since 2024-08-14
 */
@Data
@EqualsAndHashCode(callSuper = false)
@ApiModel(value="User对象", description="")
public class User implements Serializable {

    private static final long serialVersionUID = 1L;

    @ApiModelProperty(value = "主键")
    @TableId(value = "id", type = IdType.AUTO)
    private Integer id;

    @ApiModelProperty(value = "账号")
    private String no;

    @ApiModelProperty(value = "姓名")
    private String name;

    @ApiModelProperty(value = "密码")
    private String password;

    @ApiModelProperty(value = "年龄")
    private Integer age;

    @ApiModelProperty(value = "性别, 0-女, 1-男")
    private Integer sex;

    @ApiModelProperty(value = "手机号")
    private String phone;

    @ApiModelProperty(value = "角色, 0-超级管理员, 1-管理员, 2-用户")
    private Integer roleId;

    @ApiModelProperty(value = "是否有效，Y有效，其他无效")
    @TableField("isValid")
    private String isvalid;


}

mapper

UserMapper

package com.llz.demo.mapper;

import com.llz.demo.entity.User;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import org.apache.ibatis.annotations.Mapper;

import javax.annotation.Resource;

/**
 * <p>
 *  Mapper 接口
 * </p>
 *
 * @author demo
 * @since 2024-08-14
 */
@Mapper
public interface UserMapper extends BaseMapper<User> {

}

controller

UserController

package com.llz.demo.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.llz.demo.common.QueryPageParam;
import com.llz.demo.entity.User;
import com.llz.demo.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * <p>
 *  前端控制器
 * </p>
 *
 * @author demo
 * @since 2024-08-14
 */
@RestController
@RequestMapping("/user")
public class UserController {
    @Autowired
    private UserService userService;
//    查询
    @GetMapping("/list")
    public List<User> list(){
        return userService.list();
    }

//    删除
    @GetMapping("/delete")
    public boolean delete(Integer id){
        return userService.removeById(id);
    }

//    新增
    @PostMapping("/save")
    public boolean save(@RequestBody User user){
        return userService.save(user);
    }
//    修改
    @PostMapping("/mod")
    public boolean mod(@RequestBody User user){
        return userService.updateById(user);
    }

    @PostMapping("/saveOrmod")
    public boolean saveOrmod(@RequestBody User user){
        return userService.saveOrUpdate(user);
    }
//      模糊匹配
    @PostMapping("/listP")
    public List<User> listP(@RequestBody User user){
        LambdaQueryWrapper<User> lambdaQueryWrapper = new LambdaQueryWrapper();
        lambdaQueryWrapper.like(User::getName,user.getName());
        return userService.list(lambdaQueryWrapper);
    }

    @PostMapping("/listPage")
    public List<User> listPage(@RequestBody QueryPageParam query){
        System.out.println(query);

        System.out.println("num==="+query.getPageNum());
        System.out.println("size==="+query.getPageSize());
        System.out.println("param==="+query.getParam());

    }


}

service

UserService

package com.llz.demo.service;

import com.llz.demo.entity.User;
import com.baomidou.mybatisplus.extension.service.IService;

/**
 * <p>
 *  服务类
 * </p>
 *
 * @author demo
 * @since 2024-08-14
 */
public interface UserService extends IService<User> {

}

impl

UserServiceImpl

package com.llz.demo.service.impl;

import com.llz.demo.entity.User;
import com.llz.demo.mapper.UserMapper;
import com.llz.demo.service.UserService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.stereotype.Service;

/**
 * <p>
 *  服务实现类
 * </p>
 *
 * @author demo
 * @since 2024-08-14
 */
@Service
public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements UserService {

}

mapper.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.llz.demo.mapper.UserMapper">

    <!-- 通用查询映射结果 -->
    <resultMap id="BaseResultMap" type="com.llz.demo.entity.User">
        <id column="id" property="id" />
        <result column="no" property="no" />
        <result column="name" property="name" />
        <result column="password" property="password" />
        <result column="age" property="age" />
        <result column="sex" property="sex" />
        <result column="phone" property="phone" />
        <result column="role_id" property="roleId" />
        <result column="isValid" property="isvalid" />
    </resultMap>

    <!-- 通用查询结果列 -->
    <sql id="Base_Column_List">
        id, no, name, password, age, sex, phone, role_id, isValid
    </sql>


</mapper>

pom.xml

<?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.llz</groupId>
    <artifactId>demo</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>demo</name>
    <description>demo</description>
    <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>2.6.13</spring-boot.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>com.mysql</groupId>
            <artifactId>mysql-connector-j</artifactId>
            <scope>runtime</scope>
        </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.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
        </dependency>
        <!-- https://mvnrepository.com/artifact/com.baomidou/mybatis-plus-boot-starter -->
        <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-boot-starter</artifactId>
            <version>3.4.1</version>
        </dependency>

        <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-generator</artifactId>
            <version>3.4.1</version>
        </dependency>
        <dependency>
            <groupId>org.freemarker</groupId>
            <artifactId>freemarker</artifactId>
            <version>2.3.30</version>
        </dependency>
        <dependency>
            <groupId>com.spring4all</groupId>
            <artifactId>spring-boot-starter-swagger</artifactId>
            <version>1.5.1.RELEASE</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.llz.demo.DemoApplication</mainClass>
                    <skip>true</skip>
                </configuration>
                <executions>
                    <execution>
                        <id>repackage</id>
                        <goals>
                            <goal>repackage</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

</project>

application.yml

server:
  port: 8090

spring:
  datasource:
    url: jdbc:mysql://localhost:3306/test?useUnicode=true&useSSL=false&characterEncoding=utf8
    username: root
    password: 123456
    driver-class-name: com.mysql.cj.jdbc.Driver
mybatis-plus:
  configuration:
    log-impl: org.apache.ibatis.logging.stdout.StdOutImpl
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