SpringBoot+MybatisPlus+Mysql+Sharding-JDBC分库分表

@Data
@TableName("bu_order")
public class Order {
    @TableId
    private Long orderId;
    private Integer orderType;
    private Long userId;
    private Double amount;
    private Integer orderStatus;
    @TableLogic
    @JsonIgnore
    private Boolean deleted;
}

@Mapper
public interface OrderMapper extends BaseMapper<Order> {
}

spring:
  config:
    use-legacy-processing: true
  shardingsphere:
    datasource:
      ds1:
        driver-class-name: com.mysql.cj.jdbc.Driver
        type: com.alibaba.druid.pool.DruidDataSource
        url: jdbc:mysql://127.0.0.1:3306/sharding-jdbc2?serverTimezone=UTC
        username: root
        password: 123456
      names: ds1
    props:
      sql:
        show: true
    sharding:
      tables:
        bu_order:
          actual-data-nodes: ds1.bu_order_$->{0..1}
          key-generator:
            column: order_id
            type: SNOWFLAKE
          table-strategy:
            inline:
              algorithm-expression: bu_order_${user_id%2}
              sharding-column: user_id

@Test
public void addOrders() {
    for (long i = 1; i <= 10; i++) {
        Order order = new Order();
        order.setOrderId(i);
        order.setOrderType(RandomUtil.randomEle(Arrays.asList(1, 2)));
        order.setUserId(RandomUtil.randomEle(Arrays.asList(101L, 102L, 103L)));
        order.setAmount(1000.0 * i);
        orderMapper.insert(order);
    }
}

@GetMapping("/list")
public AjaxResult list(Order order) {
    LambdaQueryWrapper<Order> wrapper = Wrappers.lambdaQuery(order);
    return AjaxResult.success(orderMapper.selectList(wrapper));
}

@GetMapping("/page")
public AjaxResult page(Page<Order> page, Order order) {
    return AjaxResult.success(orderMapper.selectPage(page, Wrappers.lambdaQuery(order)));
}

@GetMapping("/detail/{orderId}")
public AjaxResult detail(@PathVariable Long orderId) {
    return AjaxResult.success(orderMapper.selectById(orderId));
}

@DeleteMapping("/delete/{orderId}")
public AjaxResult delete(@PathVariable Long orderId) {
    return AjaxResult.success(orderMapper.deleteById(orderId));
}

@PutMapping("/edit")
public AjaxResult edit(@RequestBody Order order) {
    return AjaxResult.success(orderMapper.updateById(order));
}