SpringBoot集成ShardingSphere-JDBC 5.3.X实现分库分表

1.导入POM依赖

pom.xml

<dependencies>
    <!-- Spring Boot Web -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
        <version>3.0.8</version>
    </dependency>

    <!-- MyBatis-Plus -->
    <dependency>
        <groupId>com.baomidou</groupId>
        <artifactId>mybatis-plus-boot-starter</artifactId>
        <version>3.5.5</version>
    </dependency>

    <!-- MySQL Connector -->
    <dependency>
        <groupId>com.mysql</groupId>
        <artifactId>mysql-connector-j</artifactId>
        <version>8.0.33</version>
        <scope>runtime</scope>
    </dependency>

    <!-- Spring Boot JDBC Starter -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-jdbc</artifactId>
        <version>3.0.8</version>
    </dependency>

    <!-- Spring Data Redis -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-data-redis</artifactId>
        <version>3.0.8
1. 引入依赖 在 `pom.xml` 中引入 `shardingsphere-jdbc-core` 依赖: ```xml <dependency> <groupId>org.apache.shardingsphere</groupId> <artifactId>shardingsphere-jdbc-core</artifactId> <version>5.0.0-alpha</version> </dependency> ``` 2. 配置数据源 在 `application.yml` 中配置数据源: ```yaml spring: datasource: type: com.zaxxer.hikari.HikariDataSource driver-class-name: com.mysql.jdbc.Driver url: jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf8&useSSL=false&serverTimezone=GMT%2B8 username: root password: root sharding: jdbc: # 数据源列表 datasource: ds0: type: com.zaxxer.hikari.HikariDataSource driver-class-name: com.mysql.jdbc.Driver jdbc-url: jdbc:mysql://localhost:3306/test0?useUnicode=true&characterEncoding=utf8&useSSL=false&serverTimezone=GMT%2B8 username: root password: root ds1: type: com.zaxxer.hikari.HikariDataSource driver-class-name: com.mysql.jdbc.Driver jdbc-url: jdbc:mysql://localhost:3306/test1?useUnicode=true&characterEncoding=utf8&useSSL=false&serverTimezone=GMT%2B8 username: root password: root # 分片规则配置 sharding: default-data-source: ds0 # 默认数据源 tables: user: actual-data-nodes: ds${0..1}.user_${0..1} # 实际数据节点 database-strategy: inline: sharding-column: id # 分片键 algorithm-expression: ds${id % 2} # 分库算法 table-strategy: inline: sharding-column: id # 分片键 algorithm-expression: user_${id % 2} # 分表算法 ``` 3. 编写代码 ```java @Service public class UserServiceImpl implements UserService { @Autowired private JdbcTemplate jdbcTemplate; @Override public void addUser(User user) { String sql = "INSERT INTO user (id, name) VALUES (?, ?)"; Object[] params = new Object[] { user.getId(), user.getName() }; int count = jdbcTemplate.update(sql, params); System.out.println("插入 " + count + " 条记录"); } @Override public List<User> getUsers() { String sql = "SELECT * FROM user"; return jdbcTemplate.query(sql, new BeanPropertyRowMapper<>(User.class)); } } ``` 4. 测试 编写测试方法: ```java @SpringBootTest class UserServiceImplTest { @Autowired private UserService userService; @Test void addUser() { User user = new User(); user.setId(1L); user.setName("张三"); userService.addUser(user); } @Test void getUsers() { List<User> users = userService.getUsers(); System.out.println(users); } } ``` 执行测试方法,查看控制台输出和数据库表中的数据,验证分库分表是否成功实现
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