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@@ -26,4 +26,41 @@ |
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- Maven3.0+ |
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- MySQL8.0 |
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- redis6.0+ |
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<br> |
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<br> |
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## 多数据源配置指南 |
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1. 在你需要用到多数据源的项目/模块中引入多数据源jar包的maven依赖 |
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```xml |
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<dependency> |
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<groupId>com.cnbm</groupId> |
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<artifactId>ym-dynamic-datasource</artifactId> |
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<version>1.0-SNAPSHOT</version> |
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</dependency> |
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``` |
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2. 配置文件中,配置多数据源,注意必须以`dynamic.datasource`作为前缀,如下(slave1,slave2可以自己随意命名,数据源不限于2个): |
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```yml |
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dynamic: |
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datasource: |
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slave1: |
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driver-class-name: com.mysql.cj.jdbc.Driver |
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url: jdbc:mysql://localhost:3306/mysql?useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai&nullCatalogMeansCurrent=true |
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username: xxx |
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password: xxx |
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slave2: |
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driver-class-name: com.mysql.cj.jdbc.Driver |
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url: jdbc:mysql://localhost:3306/myysql?useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai&nullCatalogMeansCurrent=true |
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username: xxx |
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password: xxx |
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``` |
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3. 在service实现中,需要指定数据源的方法上面添加注解,比如,在login这个方法调用时,指定用`slave1`这个数据源 |
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```java |
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@DataSource("slave1") |
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public Result login(HttpServletRequest request, LoginParam loginParam) { |
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...... |
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} |
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``` |
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4. 验证 |
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可以在日志中看到类似输出:`set datasource is slave1` |