spring boot shardingsphere mybatis-plus druid mysql 搭建mysql数据库读写分离架构
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##父pom.xml
<?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>2.2.2.RELEASE</version>
</parent>
<groupId>com.yym</groupId>
<artifactId>yympro</artifactId>
<version>1.0</version>
<packaging>pom</packaging>
</project>
##模块pom.xml
<?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>com.yym</groupId>
<artifactId>yympro</artifactId>
<version>1.0</version>
</parent>
<groupId>com.yym</groupId>
<artifactId>service</artifactId>
<version>1.0</version>
<packaging>jar</packaging>
<name>service</name>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>11</maven.compiler.source>
<maven.compiler.target>11</maven.compiler.target>
<alibaba-druid>1.1.22</alibaba-druid>
<dynamic-datasource-spring-boot-starter.version>3.1.1</dynamic-datasource-spring-boot-starter.version>
<mybatis-plus-boot-starter>3.3.2</mybatis-plus-boot-starter>
<shardingsphere>4.1.1</shardingsphere>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>${alibaba-druid}</version>
</dependency>
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-boot-starter</artifactId>
<version>${mybatis-plus-boot-starter}</version>
</dependency>
<!--<dependency>
<groupId>com.baomidou</groupId>
<artifactId>dynamic-datasource-spring-boot-starter</artifactId>
<version>${dynamic-datasource-spring-boot-starter.version}</version>
</dependency>-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
<dependency>
<groupId>org.apache.shardingsphere</groupId>
<artifactId>sharding-jdbc-spring-boot-starter</artifactId>
<version>${shardingsphere}</version>
</dependency>
</dependencies>
<build>
<pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
<plugins>
<!-- clean lifecycle, see https://maven.apache.org/ref/current/maven-core/lifecycles.html#clean_Lifecycle -->
<plugin>
<artifactId>maven-clean-plugin</artifactId>
<version>3.1.0</version>
</plugin>
<!-- default lifecycle, jar packaging: see https://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_jar_packaging -->
<plugin>
<artifactId>maven-resources-plugin</artifactId>
<version>3.0.2</version>
</plugin>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
</plugin>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.22.1</version>
</plugin>
<plugin>
<artifactId>maven-jar-plugin</artifactId>
<version>3.0.2</version>
</plugin>
<plugin>
<artifactId>maven-install-plugin</artifactId>
<version>2.5.2</version>
</plugin>
<plugin>
<artifactId>maven-deploy-plugin</artifactId>
<version>2.8.2</version>
</plugin>
<!-- site lifecycle, see https://maven.apache.org/ref/current/maven-core/lifecycles.html#site_Lifecycle -->
<plugin>
<artifactId>maven-site-plugin</artifactId>
<version>3.7.1</version>
</plugin>
<plugin>
<artifactId>maven-project-info-reports-plugin</artifactId>
<version>3.0.0</version>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</pluginManagement>
</build>
</project>
##yml配置
server:
port: 8866
servlet:
context-path: /yym
tomcat:
max-threads: 300
connection-timeout: 57000
max-connections: 500
connection-timeout: 57000
spring:
datasource:
dynamic:
primary: master
strict: false # 严格模式
datasource:
master:
type: com.alibaba.druid.pool.DruidDataSource
driver-class-name: com.mysql.cj.jdbc.Driver
url: jdbc:mysql://192.168.3.156:3306/yymdb?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8
username: yym
password: 123456
druid:
initialSize: 5
minIdle: 5
maxActive: 20
maxWait: 60000
timeBetweenEvictionRunsMillis: 60000
minEvictableIdleTimeMillis: 300000
validationQuery: SELECT 1 FROM DUAL
testWhileIdle: true
testOnBorrow: false
testOnReturn: false
webStatFilter:
enabled: true
statViewServlet:
enabled: true
url-pattern: /druid/*
# 控制台管理用户名和密码
login-username: admin
login-password: admin
filter:
stat:
enabled: true
# 慢SQL记录
log-slow-sql: true
slow-sql-millis: 1000
merge-sql: true
wall:
config:
multi-statement-allow: true
shardingsphere:
datasource:
names: master,slave0
master:
type: com.alibaba.druid.pool.DruidDataSource
driver-class-name: com.mysql.cj.jdbc.Driver
url: jdbc:mysql://192.168.3.188:3308/yymdb?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8
username: yym
password: 123456
druid:
initialSize: 5
minIdle: 5
maxActive: 20
maxWait: 60000
timeBetweenEvictionRunsMillis: 60000
minEvictableIdleTimeMillis: 300000
validationQuery: SELECT 1 FROM DUAL
testWhileIdle: true
testOnBorrow: false
testOnReturn: false
webStatFilter:
enabled: true
statViewServlet:
enabled: true
url-pattern: /druid/*
# 控制台管理用户名和密码
login-username: admin
login-password: admin
filter:
stat:
enabled: true
# 慢SQL记录
log-slow-sql: true
slow-sql-millis: 1000
merge-sql: true
wall:
config:
multi-statement-allow: true
slave0:
type: com.alibaba.druid.pool.DruidDataSource
driver-class-name: com.mysql.cj.jdbc.Driver
url: jdbc:mysql://192.168.3.188:3309/yymdb?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8
username: yym
password: 123456
druid:
initialSize: 5
minIdle: 5
maxActive: 20
maxWait: 60000
timeBetweenEvictionRunsMillis: 60000
minEvictableIdleTimeMillis: 300000
validationQuery: SELECT 1 FROM DUAL
testWhileIdle: true
testOnBorrow: false
testOnReturn: false
webStatFilter:
enabled: true
statViewServlet:
enabled: true
url-pattern: /druid/*
# 控制台管理用户名和密码
login-username: admin
login-password: admin
filter:
stat:
enabled: true
# 慢SQL记录
log-slow-sql: true
slow-sql-millis: 1000
merge-sql: true
wall:
config:
multi-statement-allow: true
masterslave:
load-balance-algorithm-type: ROUND_ROBIN
name: ms
master-data-source-name: master
slave-data-source-names: slave0
mybatis-plus:
mapper-locations: classpath*:mapper/**/*Mapper.xml
global-config:
db-config:
id-type: auto
table-underline: true
logging:
config: classpath:config/logback-spring.xml
##mapper.xml
<?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="com.newland.mbop.mapper.PortalInfoDefMapper">
</mapper>
##TestMapper
package com.yym.mapper;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.yym.entity.Test;
import org.apache.ibatis.annotations.Mapper;
@Mapper
public interface TestMapper extends BaseMapper<Test> {
}
##TestService
package com.yym.service;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.yym.entity.Test;
import com.yym.mapper.TestMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
@Service
public class TestService {
@Autowired
private TestMapper testMapper;
public Test query(Test test) {
return testMapper.selectOne(new QueryWrapper<Test>().eq("name", test.getName()));
}
public int add(Test test) {
return testMapper.insert(test);
}
}
##TestController
package com.yym.controller;
import com.yym.entity.Test;
import com.yym.service.TestService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import java.util.concurrent.TimeUnit;
@RestController
@RequestMapping("/test/v1/")
public class TestController {
@Autowired
private TestService testService;
Logger logger = LoggerFactory.getLogger(TestController.class);
public TestController() {
logger.info("TestController");
}
@PostMapping("tomcatTimeOut")
public String tomcatTimeOut() {
try {
TimeUnit.SECONDS.sleep(120);
}catch (Exception e) {
e.printStackTrace();
}
return "sc";
}
@GetMapping("query")
public String query() {
Test test = new Test();
test.setName("yym");
Test testDB = testService.query(test);
return testDB.getAddress();
}
@GetMapping("add")
public String add() {
Test test = new Test();
test.setName("斑鸠");
test.setAddress("枯藤老树昏鸠");
int count = testService.add(test);
return count>0?"success":"fail";
}
}
##浏览器访问
##数据库