面试题一览

第一章-SpringCloud概述

视频教程：https://www.bilibili.com/video/BV18E411x7eT?p=7

2020.3月适用的较新版本

image-20200728104250772

1SpringCloud介绍

SpringCloud和SpringBoot的版本区分

https://spring.io/projects/spring-cloud/拉到最下面

Release Train Boot Version
Hoxton 2.2.x
Greenwich 2.1.x
Finchley 2.0.x
Edgware 1.5.x
Dalston 1.5.x

详细版本：https://start.spring.io/actuator/info 返回为JSON串，可用在线格式化工具查看

2构建微服务架构

父模块 packaging是pom表示，这仅仅是一个静态的文件xml，而不会导入依赖

新建一个maven工程

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<?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>org.example</groupId>
<artifactId>SpringCloud_sgg</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>pom</packaging>
<!-- 统一管理jar包版本 -->
<properties>
 <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 <maven.compiler.source>1.8</maven.compiler.source>
 <maven.compiler.target>1.8</maven.compiler.target>
 <junit.version>4.12</junit.version>
 <log4j.version>1.2.17</log4j.version>
 <lombok.version>1.18.10</lombok.version>
 <mysql.version>8.0.21</mysql.version>
 <druid.version>1.1.21</druid.version>
 <mybatis.spring.boot.version>1.3.0</mybatis.spring.boot.version>
</properties>

<!-- 子模块继承之后，提供作用：锁定版本+子modlue不用写groupId和version  -->
<dependencyManagement>
 <dependencies>
   
   <!--spring boot 2.2.2-->
   <dependency>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-dependencies</artifactId>
     <version>2.2.2.RELEASE</version>
     <type>pom</type>
     <scope>import</scope>
   </dependency>
   
   <!--spring cloud Hoxton.SR1-->
   <dependency>
     <groupId>org.springframework.cloud</groupId>
     <artifactId>spring-cloud-dependencies</artifactId>
     <version>Hoxton.SR1</version>
     <type>pom</type>
     <scope>import</scope>
   </dependency>
   
   <!--spring cloud alibaba 2.1.0.RELEASE-->
   <dependency>
     <groupId>com.alibaba.cloud</groupId>
     <artifactId>spring-cloud-alibaba-dependencies</artifactId>
     <version>2.1.0.RELEASE</version>
     <type>pom</type>
     <scope>import</scope>
   </dependency>
   
   <dependency>
     <groupId>mysql</groupId>
     <artifactId>mysql-connector-java</artifactId>
     <version>${mysql.version}</version>
   </dependency>
   
   <dependency>
     <groupId>com.alibaba</groupId>
     <artifactId>druid</artifactId>
     <version>${druid.version}</version>
   </dependency>
   
   <dependency>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot-starter</artifactId>
     <version>${mybatis.spring.boot.version}</version>
   </dependency>
   
   <dependency>
     <groupId>junit</groupId>
     <artifactId>junit</artifactId>
     <version>${junit.version}</version>
   </dependency>
   
   <dependency>
     <groupId>log4j</groupId>
     <artifactId>log4j</artifactId>
     <version>${log4j.version}</version>
   </dependency>
   
   <dependency>
     <groupId>org.projectlombok</groupId>
     <artifactId>lombok</artifactId>
     <version>${lombok.version}</version>
     <optional>true</optional>
   </dependency>
 </dependencies>
</dependencyManagement>
</project>

子模块

1.建module 2.改POM 3.写YML 4.主启动 5.业务类

第二章-