springboot结合mysql配置

package com.future.finance;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.jdbc.core.JdbcTemplate;

import java.util.List;
import java.util.Map;

@SpringBootApplication
public class FinanceApplication {

    public static void main(String[] args) {
        ConfigurableApplicationContext context = SpringApplication.run(FinanceApplication.class, args);

        JdbcTemplate jdbcTemplate = context.getBean(JdbcTemplate.class);
        List<Map<String, Object>> result = jdbcTemplate.queryForList("SELECT * FROM information");
        System.out.println(result);
    }

}

spring.datasource.url=jdbc:mysql://localhost:3306/finance?characterEncoding=utf-8&allowMultiQueries=true&serverTimezone=GMT%2B8
spring.datasource.username=jack
spring.datasource.password=jack123456
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver

plugins {
    id 'org.springframework.boot' version '2.3.4.RELEASE'
    id 'io.spring.dependency-management' version '1.0.10.RELEASE'
    id 'java'
}

group = 'com.future'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = '1.8'

repositories {
    mavenCentral()
}

dependencies {

    implementation 'org.springframework.boot:spring-boot-starter-web'
    implementation 'org.mybatis.spring.boot:mybatis-spring-boot-starter:2.1.3'
    runtimeOnly 'mysql:mysql-connector-java:8.0.17'
    testImplementation('org.springframework.boot:spring-boot-starter-test') {
        exclude group: 'org.junit.vintage', module: 'junit-vintage-engine'
    }
}

test {
    useJUnitPlatform()
}