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docs: improve README #2

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6 changes: 4 additions & 2 deletions README.md
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Original file line number Diff line number Diff line change
@@ -1,3 +1,5 @@


# MultipleDataSource
使用ssm框架，配置多数据源自动切换
## 说明
Expand Down Expand Up @@ -82,11 +84,11 @@ SpringBoot 版本 2.0.3
return multipleDataSource;
}
```
4. 如果需要切换数据源，则在指定的方法上加上`@DataSource`注解即可
4. 如果需要切换数据源，则在指定的方法上加上`@DataSource`注解即可，未标注时默认使用 `db1`
```java
@Override
@DataSource(DataSourceEnum.DB2)
public List<Student> selectList(Wrapper<Student> wrapper) {
return super.selectList(wrapper);
}
```
```