feat:新增shardingsphere

spring-boot/sjdemo/.gitignore

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+HELP.md
+/target/
+!.mvn/wrapper/maven-wrapper.jar
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+/build/
+
+### VS Code ###
+.vscode/

spring-boot/sjdemo/pom.xml

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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>
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.1.3.RELEASE</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+    <groupId>com.fanxb</groupId>
+    <artifactId>sjdemo</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>sjdemo</name>
+    <description>sharding-jdbc分库分表demo</description>
+
+    <properties>
+        <java.version>1.8</java.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.mybatis.spring.boot</groupId>
+            <artifactId>mybatis-spring-boot-starter</artifactId>
+            <version>2.0.0</version>
+        </dependency>
+
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>io.shardingsphere</groupId>
+            <artifactId>sharding-jdbc-spring-boot-starter</artifactId>
+            <version>3.1.0</version>
+        </dependency>
+        <!--druid versoin-->
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>druid</artifactId>
+            <version>1.1.14</version>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

spring-boot/sjdemo/src/main/java/com/fanxb/sjdemo/SjdemoApplication.java

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+package com.fanxb.sjdemo;
+
+import org.mybatis.spring.annotation.MapperScan;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+@MapperScan(basePackages = "com.fanxb.sjdemo.dao")
+public class SjdemoApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(SjdemoApplication.class, args);
+    }
+
+}

spring-boot/sjdemo/src/main/java/com/fanxb/sjdemo/dao/BaseOperate.java

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+package com.fanxb.sjdemo.dao;
+
+/**
+ * 类功能简述：
+ * 类功能详述：
+ *
+ * @author fanxb
+ * @date 2019/3/22 15:21
+ */
+public interface BaseOperate <T>{
+    long addOne(T t);
+}

spring-boot/sjdemo/src/main/java/com/fanxb/sjdemo/dao/OrderDao.java

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+package com.fanxb.sjdemo.dao;
+
+import com.fanxb.sjdemo.entity.Order;
+
+/**
+ * 类功能简述：
+ * 类功能详述：
+ *
+ * @author fanxb
+ * @date 2019/3/22 16:25
+ */
+public interface OrderDao {
+    long addOne(Order order);
+
+}

spring-boot/sjdemo/src/main/java/com/fanxb/sjdemo/dao/UserDao.java

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+package com.fanxb.sjdemo.dao;
+
+import com.fanxb.sjdemo.entity.User;
+import org.apache.ibatis.annotations.Param;
+
+import java.util.List;
+
+/**
+ * 类功能简述：
+ * 类功能详述：
+ *
+ * @author fanxb
+ * @date 2019/3/22 15:29
+ */
+public interface UserDao  {
+    long addOne(User user);
+
+    User getOneById(int id);
+}

spring-boot/sjdemo/src/main/java/com/fanxb/sjdemo/entity/Order.java

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+package com.fanxb.sjdemo.entity;
+
+import lombok.Data;
+
+import java.util.Date;
+
+@Data
+public class Order {
+
+  private long orderId;
+  private long uId;
+  private Date createTime;
+  private long totalPrice;
+
+}

spring-boot/sjdemo/src/main/java/com/fanxb/sjdemo/entity/OrderItem.java

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+package com.fanxb.sjdemo.entity;
+
+
+import lombok.Data;
+
+@Data
+public class OrderItem {
+
+    private long orderItemId;
+    private long orderId;
+    private String name;
+    private long price;
+
+}

spring-boot/sjdemo/src/main/java/com/fanxb/sjdemo/entity/User.java

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+package com.fanxb.sjdemo.entity;
+
+
+public class User {
+
+  private long uId;
+  private String name;
+  private long age;
+
+    public long getuId() {
+        return uId;
+    }
+
+    public void setuId(long uId) {
+        this.uId = uId;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public long getAge() {
+        return age;
+    }
+
+    public void setAge(long age) {
+        this.age = age;
+    }
+}

spring-boot/sjdemo/src/main/java/com/fanxb/sjdemo/service/OrderService.java

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+package com.fanxb.sjdemo.service;
+
+import com.fanxb.sjdemo.dao.OrderDao;
+import com.fanxb.sjdemo.entity.Order;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+/**
+ * 类功能简述：
+ * 类功能详述：
+ *
+ * @author fanxb
+ * @date 2019/3/22 16:44
+ */
+@Service
+public class OrderService {
+    private Logger logger = LoggerFactory.getLogger(OrderService.class);
+
+    @Autowired
+    private OrderDao orderDao;
+
+    public void insertOne(Order order) {
+        long id = orderDao.addOne(order);
+        logger.info("订单插入id：{}", order.getOrderId());
+    }
+}

spring-boot/sjdemo/src/main/java/com/fanxb/sjdemo/service/UserService.java

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+package com.fanxb.sjdemo.service;
+
+import com.fanxb.sjdemo.dao.UserDao;
+import com.fanxb.sjdemo.entity.User;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+/**
+ * 类功能简述：
+ * 类功能详述：
+ *
+ * @author fanxb
+ * @date 2019/3/22 15:36
+ */
+@Service
+public class UserService {
+    Logger logger = LoggerFactory.getLogger(UserService.class);
+
+    @Autowired
+    private UserDao dao;
+
+    public void addOne(String name, int age) {
+        User user = new User();
+        user.setName(name);
+        user.setAge(age);
+        long id= dao.addOne(user);
+        logger.info("插入id:{}", user.getuId());
+    }
+
+    public User getOne(int id){
+        return dao.getOneById(id);
+    }
+}

spring-boot/sjdemo/src/main/resources/application-sharding.yml

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+sharding:
+  jdbc:
+    datasource:
+      names: ds0,ds1,ds2
+      ds0:
+        type: com.alibaba.druid.pool.DruidDataSource
+        driver-class-name: com.mysql.jdbc.Driver
+        url: jdbc:mysql://10.82.27.177:3306/ds0
+        username: root
+        password: 123456
+      ds1:
+        type: com.alibaba.druid.pool.DruidDataSource
+        driver-class-name: com.mysql.jdbc.Driver
+        url: jdbc:mysql://10.82.27.177:3306/ds1
+        username: root
+        password: 123456
+      ds2:
+        type: com.alibaba.druid.pool.DruidDataSource
+        driver-class-name: com.mysql.jdbc.Driver
+        url: jdbc:mysql://10.82.27.177:3306/ds2
+        username: root
+        password: 123456
+    config:
+      sharding:
+        # 默认数据源，可以将不分库分表的数据表放在这里
+        default-data-source-name: ds2
+        default-database-strategy:
+          inline:
+            sharding-column: uId
+            algorithm-expression: ds$->{uId % 2}
+        tables:
+          order:
+            key-generator-column-name: orderId
+            actual-data-nodes: ds$->{0..1}.order$->{0..1}
+            table-strategy:
+              inline:
+                sharding-column: orderId
+                algorithm-expression: order$->{orderId%2}
+          order_item:
+            key-generator-column-name: orderItemId
+            actual-data-nodes: ds$->{0..1}.order_item$->{0..1}
+            table-strategy:
+              inline:
+                sharding-column: orderId
+                algorithm-expression: orderItemId$->{orderId%2}
+      props:
+        sql.show: true

spring-boot/sjdemo/src/main/resources/application.yml

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+spring:
+  profiles:
+    active: sharding
+mybatis:
+  mapper-locations: classpath:mapper/*.xml
+  type-aliases-package: com.fanxb.sjdemo.entity
+  configuration:
+    log-impl: org.apache.ibatis.logging.stdout.StdOutImpl

spring-boot/sjdemo/src/main/resources/mapper/OrderMapper.xml

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+<?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.fanxb.sjdemo.dao.OrderDao">
+
+    <insert id="addOne" useGeneratedKeys="true" keyProperty="orderId">
+        insert into order(uId,createTime,totalPrice) values(#{uId},#{createTime},#{totalPrice})
+    </insert>
+
+</mapper>

spring-boot/sjdemo/src/main/resources/mapper/UserMapper.xml

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+<?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.fanxb.sjdemo.dao.UserDao">
+
+    <insert id="addOne"  useGeneratedKeys="true" keyProperty="uId">
+        insert into user(name,age) values(#{name},#{age})
+    </insert>
+    
+    <select id="getOneById" resultType="User">
+        select * from user where uId=#{id}
+    </select>
+
+</mapper>

spring-boot/sjdemo/src/test/java/com/fanxb/sjdemo/SjdemoApplicationTests.java

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+package com.fanxb.sjdemo;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import javax.annotation.Resource;
+import javax.sql.DataSource;
+import java.sql.Connection;
+import java.sql.Statement;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class SjdemoApplicationTests {
+
+    private Logger logger = LoggerFactory.getLogger(this.getClass());
+
+    @Resource
+    private DataSource dataSource;
+
+    @Test
+    public void contextLoads() throws Exception {
+        String sql = "SELECT i.* FROM order o JOIN order_item i ON o.orderId=i.orderId WHERE o.uId=? AND o.orderId=?";
+        try (
+                Connection conn = dataSource.getConnection();
+                Statement statement = conn.createStatement();
+        ) {
+            Boolean res = statement.execute("insert into user(name,age) value('2012-12-12 12:12:12',1212)");
+            logger.info(res.toString());
+        }
+    }
+}
+

spring-boot/sjdemo/src/test/java/com/fanxb/sjdemo/serviceTest/OrderServiceTest.java

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+package com.fanxb.sjdemo.serviceTest;
+
+import com.fanxb.sjdemo.entity.Order;
+import com.fanxb.sjdemo.service.OrderService;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import java.util.Date;
+
+/**
+ * 类功能简述：
+ * 类功能详述：
+ *
+ * @author fanxb
+ * @date 2019/3/22 15:47
+ */
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class OrderServiceTest {
+
+    @Autowired
+    private OrderService orderService;
+
+    @Test
+    public void addOrderTest() {
+        Order order = new Order();
+        order.setUId(12);
+        order.setCreateTime(new Date());
+        order.setTotalPrice(12);
+        orderService.insertOne(order);
+    }
+}

spring-boot/sjdemo/src/test/java/com/fanxb/sjdemo/serviceTest/UserServiceTest.java

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+package com.fanxb.sjdemo.serviceTest;
+
+import com.fanxb.sjdemo.service.UserService;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+/**
+ * 类功能简述：
+ * 类功能详述：
+ *
+ * @author fanxb
+ * @date 2019/3/22 15:47
+ */
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class UserServiceTest {
+
+    private Logger logger = LoggerFactory.getLogger(UserServiceTest.class);
+
+    @Autowired
+    private UserService userService;
+
+    @Test
+    public void addUserTest(){
+        userService.addOne("xiaoming",12);
+    }
+
+    @Test
+    public void getOneTest(){
+        logger.info(userService.getOne(1).toString());
+    }
+}