ytrdgfdtr的专栏

<dependency> <groupId>com.baomidou</groupId> <artifactId>mybatis-plus-boot-starter</artifactId> <version>3.4.1</version> </dependency> <!-- myba...

<?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="cn.SysUserMapper"> <resultMap id="sysUserResult" type="cn.sysSy.

1.application.properties里加spring.profiles.active=dev2.application-dev.yml里################### 项目启动端口 ###################server: port: 8081################### spring配置 ###################spring: # profiles: dev datasource:# url: j