1，maven 项目搭建

具体可以百度,不在赘述.

POM 代码:

<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">

<modelVersion>4.0.0</modelVersion>

<groupId>xt_001</groupId>

<artifactId>xt_demo</artifactId>

<version>1.0-SNAPSHOT</version>

<parent>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter-parent</artifactId>

<version>2.1.6.RELEASE</version>

</parent>

<dependencies>

<dependency>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter-web</artifactId>

</dependency>

<dependency>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter-jdbc</artifactId>

</dependency>

<dependency>

<groupId>org.mybatis.spring.boot</groupId>

<artifactId>mybatis-spring-boot-starter</artifactId>

<version>2.0.1</version>

</dependency>

<dependency>

<groupId>mysql</groupId>

<artifactId>mysql-connector-java</artifactId>

<version>5.1.47</version>

</dependency>

<dependency>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter-thymeleaf</artifactId>

<version>2.1.0.RELEASE</version>

</dependency>

<dependency>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-devtools</artifactId>

<version>2.0.0.RELEASE</version>

</dependency>

<dependency>

<groupId>com.alibaba</groupId>

<artifactId>fastjson</artifactId>

<version>1.2.41</version>

</dependency>

</dependencies>

<build>

<plugins>

<plugin>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-maven-plugin</artifactId>

</plugin>

</plugins>

<resources>

<!-- IDEA-解决: org.apache.ibatis.binding.BindingException:Invalid bound statement (not found) -->

           <resource>

<directory>src/main/java</directory>

<includes>

<include>**/*.xml</include>

</includes>

</resource>

</resources>

</build>

</project>

2.新建如截图文件夹

application.yml:

spring:

 profiles:

   active: dev

application-dev.yml:

server:

port:8084

spring:

datasource:

username: root

password: mysql

url: jdbc:mysql://localhost:3306/test1?useUnicode=true&characterEncoding=utf-8&autoReconnect=true&serverTimezone=UTC&useSSL=false

driver-class-name: com.mysql.jdbc.Driver

thymeleaf:

cache:false

    prefix: classpath:/templates/

suffix: .html

encoding: UTF-8

servlet:

content-type: text/html

mode: HTML5

mybatis:

#  mapper 文件夹在resources 路径下时:

  mapper-locations: classpath:mapper/*.xml

#  mapper 文件夹在package  com.xt 路径下时

#  mapper-locations: classpath:mapper/*Mapper.xml

#  mapper-locations: classpath:com/xt/mapper/*Mapper.xml

  type-aliases-package: com.xt.entity

application-prd.yml:

可以拷贝application-dev.yml

3.AppMain.java 代码:

package com.xt;

import org.mybatis.spring.annotation.MapperScan;

import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication

@MapperScan("com.xt.dao")

public class AppMain {

public static void main(String[] args) {

SpringApplication.run(AppMain.class);

}

}

@MapperScan("com.xt.dao") 作用可以百度

4.关于easy-code plugin 用法(根据MySQL数据库表,直接生成entity/service/serviceImpl/dao/mapper):

可以参考 https://www.cnblogs.com/chafe/p/9506001.html

也可以百度 idea easycode plugin

方法二:

https://github.com/838934287/mvc-generate-tool 也可以下载该小工具,修改下MySQL URL 即可使用,也很方面,并且template也可以自己修改.