JavaWeb博客系统后端-连接数据库
拉大锯
发表于
2020-01-25 05:06
3968
数据库
datasouces
mysql
数据
web
JavaWeb博客系统后端-系列
系列文章
给项目添加依赖
打开pom.xml文件,添加数据库相关的依赖,做android开发的叫依赖,做web开发的叫坐标。
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-pool2</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
添加完如下所示:
<?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>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0.3.RELEASE</version>
</parent>
<groupId>net.sunofbeach.blog</groupId>
<artifactId>sob-blog-system</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<name>sob-blog</name>
<url>https://www.sunofbeach.net</url>
<inceptionYear>2020-Now</inceptionYear>
<properties>
<java.version>1.8</java.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<spring-cloud.version>Finchley.RELEASE</spring-cloud.version>
</properties>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!--数据库相关的-->
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-pool2</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
</dependencies>
<build>
<finalName>sob-blog-1.0.0</finalName>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<mainClass>net.sunofbeaches.BlogApplication</mainClass>
<includeSystemScope>true</includeSystemScope>
</configuration>
</plugin>
</plugins>
</build>
</project>
然后导入一下依赖,等待导入完成
配置数据库信息
之前我们在配置文件里配置了端口和名称,接下来我们配置一下数据库相关的内容
application.yml
spring:
application:
name: sob-blog
datasource:
url: jdbc:mysql://localhost:3306/sob_blog?characterEncoding=utf-8&useSSL=false
driver-class-name: com.mysql.jdbc.Driver
username: root
password: 123456
server:
port: 8080
上要是看datasource那一段
项目测试
直接运行起来,没有什么报错的话,就是没问题了。
注意问题
- 信息不要填错
- 如果是远程路径,或者是网络路径则填写网络路径
- 要记得开放端口
- 驱动不要错
如果有其他问题的话,到提问模块发帖子吧。