spring.datasource.validationQuery=SELECT 1 FROM DUAL

spring.datasource.testWhileIdle=true

spring.datasource.testOnBorrow=false

spring.datasource.testOnReturn=false

spring.datasource.poolPreparedStatements=true

spring.datasource.maxPoolPreparedStatementPerConnectionSize=20

spring.datasource.filters=stat,wall,log4j

spring.datasource.connectionProperties=druid.stat.mergeSql=true;druid.stat.slowSqlMillis=5000

#Redis（需要启动 Redis） start

Redis 数据库索引（默认为 0）

spring.redis.database=0

Redis 服务器地址

spring.redis.host=127.0.0.1

Redis 服务器连接端口

spring.redis.port=6379

Redis 服务器连接密码（默认为空）

spring.redis.password=

连接超时时间（毫秒）

spring.redis.timeout=50000

#Redis end

#thymeleaf start

#视图解析器的前缀放在这个文件夹

spring.thymeleaf.prefix=classpath:/templates/

#后缀

spring.thymeleaf.suffix=.html

#模式

spring.thymeleaf.mode=LEGACYHTML5

spring.thymeleaf.servlet.content-type=text/html

#编码格式

spring.thymeleaf.encoding=utf-8

#不用缓存

spring.thymeleaf.cache=false

spring.resources.chain.strategy.content.enabled=true

spring.resources.chain.strategy.content.paths=/**

#thymeleaf end

七、System.out.println()的快捷键

直接输入 sout，然后回车键，或者按 Tab 键

八、一个完整的 pom.xml 实例?

<?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http 《一线大厂 Java 面试题解析+后端开发学习笔记+最新架构讲解视频+实战项目源码讲义》无偿开源 威信搜索公众号【编程进阶路】 ://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>com.aher</groupId>

<artifactId>seoSys</artifactId>

<version>1.0-SNAPSHOT</version>

<name>seoSys</name>

<description>Demo project for Spring Boot</description>

<parent>

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

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

<version>2.3.4.RELEASE</version>

</parent>

<properties>

<java.version>1.8</java.version>

<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

</properties>

<dependencies>

<dependency>

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

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

</dependency>

<dependency>

<groupId>com.alibaba</groupId>

<artifactId>druid</artifactId>

<version>1.1.4</version>

</dependency>

<dependency>

<groupId>mysql</groupId>

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

<version>5.1.44</version>

</dependency>

<dependency>

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

<artifactId>spring-boot-starter-data-jpa</artifactId>

</dependency>

<dependency>

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

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

<optional>true</optional>

</dependency>

<!-- lombok（通过注解的方式，在编译时自动为属性生成构造器、getter/setter、equals、hashcode、toString 方法。

在源码中没有 getter 和 setter 方法，但是在编译生成的字节码文件中有 getter 和 setter 方法。） -->

<dependency>

<groupId>org.projectlombok</groupId>

<artifactId>lombok</artifactId>

<version>1.16.20</version>

<scope>provided</scope>

</dependency>

<dependency>

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

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

<version>1.4.7.RELEASE</version>

</dependency>

<dependency>

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

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

</dependency>

<dependency>

<groupId>net.sourceforge.nekohtml</groupId>

<artifactId>nekohtml</artifactId>

<version>1.9.22</version>

</dependency>

<dependency>

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

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

</dependency>

<dependency>

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

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

</dependency>

<dependency>

<groupId>com.alibaba</groupId>

<artifactId>fastjson</artifactId>

<version>1.2.41</version>

</dependency>

<dependency>

<groupId>io.springfox</groupId>

<artifactId>springfox-swagger-ui</artifactId>

<version>2.7.0</version>

</dependency>

<dependency>

<groupId>io.springfox</groupId>