MyBatis-Flex 尝鲜

MyBatis-Flex

官网:官网地址

快速上手:


<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0modelVersion>
    <parent>
        <groupId>org.springframework.bootgroupId>
        <artifactId>spring-boot-starter-parentartifactId>
        <version>2.7.12version>
        <relativePath/> 
    parent>
    <groupId>com.examplegroupId>
    <artifactId>demoartifactId>
    <version>0.0.1-SNAPSHOTversion>
    <name>mybatis-flex-testname>
    <description>mybatis-flex-testdescription>
    <properties>
        <java.version>11java.version>
    properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-webartifactId>
        dependency>
        <dependency>
            <groupId>com.mybatis-flexgroupId>
            <artifactId>mybatis-flex-spring-boot-starterartifactId>
            <version>1.7.5version>
        dependency>
        <dependency>
            <groupId>com.mysqlgroupId>
            <artifactId>mysql-connector-jartifactId>
            <scope>runtimescope>
        dependency>
        <dependency>
            <groupId>com.zaxxergroupId>
            <artifactId>HikariCPartifactId>
        dependency>
        <dependency>
            <groupId>com.mybatis-flexgroupId>
            <artifactId>mybatis-flex-processorartifactId>
            <version>1.7.5version>
        dependency>

        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-testartifactId>
        dependency>
    dependencies>



    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.bootgroupId>
                <artifactId>spring-boot-maven-pluginartifactId>
                <configuration>
                    <mainClass>com.example.demo.DemoApplicationmainClass>
                    <skip>trueskip>
                configuration>
            plugin>
        plugins>
    build>

project>

创建实体类 User

package com.example.demo.entity;

import com.mybatisflex.annotation.Id;
import com.mybatisflex.annotation.KeyType;
import com.mybatisflex.annotation.Table;


import java.util.Date;


@Table("user")
public class User {
    @Id(keyType = KeyType.Auto)
    private Integer id;
    private String nickname;
    private String username;
    private String account;
    private String password;
    private String phone;
    private  Integer sex;
    private String avatar;
    private  String wechat;
    private Integer userType;
    private Integer integral;
    private Integer vip;
    private String reserve;
    private Integer sort;
    private  Integer auth;
    private  Integer status;
    private Boolean del;
    private Date createTime;
    private Date updateTime;



    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public String getNickname() {
        return nickname;
    }

    public void setNickname(String nickname) {
        this.nickname = nickname;
    }

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getAccount() {
        return account;
    }

    public void setAccount(String account) {
        this.account = account;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public String getPhone() {
        return phone;
    }

    public void setPhone(String phone) {
        this.phone = phone;
    }

    public Integer getSex() {
        return sex;
    }

    public void setSex(Integer sex) {
        this.sex = sex;
    }

    public String getAvatar() {
        return avatar;
    }

    public void setAvatar(String avatar) {
        this.avatar = avatar;
    }

    public String getWechat() {
        return wechat;
    }

    public void setWechat(String wechat) {
        this.wechat = wechat;
    }

    public Integer getUserType() {
        return userType;
    }

    public void setUserType(Integer userType) {
        this.userType = userType;
    }

    public Integer getIntegral() {
        return integral;
    }

    public void setIntegral(Integer integral) {
        this.integral = integral;
    }

    public Integer getVip() {
        return vip;
    }

    public void setVip(Integer vip) {
        this.vip = vip;
    }

    public String getReserve() {
        return reserve;
    }

    public void setReserve(String reserve) {
        this.reserve = reserve;
    }

    public Integer getSort() {
        return sort;
    }

    public void setSort(Integer sort) {
        this.sort = sort;
    }

    public Integer getAuth() {
        return auth;
    }

    public void setAuth(Integer auth) {
        this.auth = auth;
    }

    public Integer getStatus() {
        return status;
    }

    public void setStatus(Integer status) {
        this.status = status;
    }

    public Boolean getDel() {
        return del;
    }

    public void setDel(Boolean del) {
        this.del = del;
    }

    public Date getCreateTime() {
        return createTime;
    }

    public void setCreateTime(Date createTime) {
        this.createTime = createTime;
    }

    public Date getUpdateTime() {
        return updateTime;
    }

    public void setUpdateTime(Date updateTime) {
        this.updateTime = updateTime;
    }

    @Override
    public String toString() {
        return "User{" +
                "id=" + id +
                ", nickname='" + nickname + '\'' +
                ", username='" + username + '\'' +
                ", account='" + account + '\'' +
                ", password='" + password + '\'' +
                ", phone='" + phone + '\'' +
                ", sex=" + sex +
                ", avatar='" + avatar + '\'' +
                ", wechat='" + wechat + '\'' +
                ", userType=" + userType +
                ", integral=" + integral +
                ", vip=" + vip +
                ", reserve='" + reserve + '\'' +
                ", sort=" + sort +
                ", auth=" + auth +
                ", status=" + status +
                ", del=" + del +
                ", createTime=" + createTime +
                ", updateTime=" + updateTime +
                '}';
    }
}

注意:可以使用Lombok 插件 但是可能会不兼容 导致项目无法正常启动 同时springboot版本不能太高2.7.x就可以了

创建Mapper接口

package com.example.demo.mapper;

import com.example.demo.entity.User;
import com.mybatisflex.core.BaseMapper;

public interface UserMapper extends BaseMapper<User> {
}

测试SQL脚本

/*
 Navicat Premium Data Transfer

 Source Server         : localhost_3306
 Source Server Type    : MySQL
 Source Server Version : 50737
 Source Host           : localhost:3306
 Source Schema         : db_test

 Target Server Type    : MySQL
 Target Server Version : 50737
 File Encoding         : 65001

 Date: 21/12/2023 12:57:00
*/

SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;

-- ----------------------------
-- Table structure for user
-- ----------------------------
DROP TABLE IF EXISTS `user`;
CREATE TABLE `user`  (
  `id` bigint(20) NOT NULL AUTO_INCREMENT,
  `nickname` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '昵称',
  `username` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '真实用户名(身份证上的用户名)',
  `account` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '登录账号',
  `password` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '密码',
  `phone` varchar(11) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '手机号',
  `sex` int(1) NULL DEFAULT 0 COMMENT '性别(0保密,1女,2男)',
  `avatar` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '头像',
  `wechat` varchar(25) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '微信号',
  `user_type` int(1) NULL DEFAULT NULL COMMENT '用户类型(0超级管理员,1管理员,2系统用户)',
  `integral` int(11) NOT NULL DEFAULT 0 COMMENT '用户积分',
  `vip` int(1) NULL DEFAULT 3 COMMENT 'vip等级',
  `reserve` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '备用字段',
  `sort` int(1) NULL DEFAULT 1 COMMENT '排序 数字越小越靠前',
  `auth` int(1) NOT NULL DEFAULT 0 COMMENT '用户是否认证(1已认证,0未认证)',
  `status` int(1) NOT NULL DEFAULT 0 COMMENT ' 用户状态(1,可用,0禁用)',
  `del` bigint(1) NULL DEFAULT NULL COMMENT '逻辑删除(1 删除 ,0 未删除)',
  `create_time` datetime NOT NULL COMMENT '创建时间',
  `update_time` datetime NOT NULL COMMENT '更新时间',
  PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 294 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci ROW_FORMAT = DYNAMIC;

SET FOREIGN_KEY_CHECKS = 1;

测试类

package com.example.demo;

import com.example.demo.entity.User;
import com.example.demo.mapper.UserMapper;
import com.mybatisflex.core.query.QueryWrapper;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;

import java.util.List;

import static com.example.demo.entity.table.UserTableDef.USER;


@SpringBootTest
class DemoApplicationTests {

    @Autowired
    private UserMapper userMapper;

    @Test
    void testFlex() {
        QueryWrapper queryWrapper = QueryWrapper.create()
                .select().where(USER.ID.between(1,30));
        List<User> users = userMapper.selectListByQuery(queryWrapper);
        users.forEach(System.out::println);
    }
}

测试效果

MyBatis-Flex 尝鲜_第1张图片
至此完成项目搭建,其他细节看官方文档

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