feat(config): 支持多数据库类型配置及动态分页方言

src/main/java/com/youlai/boot/config/MybatisConfig.java

@@ -7,6 +7,7 @@ import com.baomidou.mybatisplus.extension.plugins.inner.DataPermissionIntercepto
 import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
 import com.youlai.boot.plugin.mybatis.MyDataPermissionHandler;
 import com.youlai.boot.plugin.mybatis.MyMetaObjectHandler;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.transaction.annotation.EnableTransactionManagement;
@@ -21,16 +22,27 @@ import org.springframework.transaction.annotation.EnableTransactionManagement;
 @EnableTransactionManagement
 public class MybatisConfig {
 
+    @Value("${app.db-type:mysql}")
+    private String dbType;
+
     /**
      * 分页插件和数据权限插件
      */
     @Bean
     public MybatisPlusInterceptor mybatisPlusInterceptor() {
         MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
-        //数据权限
+        // 数据权限
         interceptor.addInnerInterceptor(new DataPermissionInterceptor(new MyDataPermissionHandler()));
-        //分页插件
+        // 分页插件，根据配置动态选择数据库类型
-        interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.MYSQL));
+        DbType mpDbType = DbType.MYSQL;
+        String type = dbType == null ? "mysql" : dbType.toLowerCase();
+        if ("postgres".equals(type) || "postgresql".equals(type)) {
+            mpDbType = DbType.POSTGRE_SQL;
+        } else if ("dm".equals(type) || "dameng".equals(type)) {
+            // 达梦更接近 Oracle 语法，这里选择 ORACLE 方言以获得较好兼容性
+            mpDbType = DbType.ORACLE;
+        }
+        interceptor.addInnerInterceptor(new PaginationInnerInterceptor(mpDbType));
 
         return interceptor;
     }

src/main/resources/application-dev.yml

@@ -1,13 +1,30 @@
 server:
   port: 8989
 
+# 数据库类型：用于 MyBatis-Plus 分页方言等（仅方言，不负责连接信息）
+app:
+  db-type: mysql # 可选：mysql | postgres | dm
+
 spring:
   datasource:
     type: com.alibaba.druid.pool.DruidDataSource
+    # === MySQL 数据源（默认启用） ===
     driver-class-name: com.mysql.cj.jdbc.Driver
     url: jdbc:mysql://www.youlai.tech:3306/youlai_boot?zeroDateTimeBehavior=convertToNull&useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai&autoReconnect=true&allowMultiQueries=true
     username: youlai
     password: 123456
+
+    # === PostgreSQL 数据源示例（按需启用） ===
+    # driver-class-name: org.postgresql.Driver
+    # url: jdbc:postgresql://127.0.0.1:5432/youlai_boot
+    # username: postgres
+    # password: 123456
+
+    # === 达梦 DM 数据源示例（按需启用，注意按实际驱动与 URL 调整） ===
+    # driver-class-name: dm.jdbc.driver.DmDriver
+    # url: jdbc:dm://127.0.0.1:5236?schema=YOULAI_BOOT
+    # username: SYSDBA
+    # password: 123456
   data:
     redis:
       database: 0
@@ -74,6 +91,8 @@ spring:
           response-format:
             type: json_object
 
+
+
 mybatis-plus:
   mapper-locations: classpath*:/mapper/**/*.xml
   global-config:

src/main/resources/application-prod.yml

@@ -4,10 +4,23 @@ server:
 spring:
   datasource:
     type: com.alibaba.druid.pool.DruidDataSource
+    # === MySQL 数据源（默认启用） ===
     driver-class-name: com.mysql.cj.jdbc.Driver
     url: jdbc:mysql://www.youlai.tech:3306/youlai_boot?zeroDateTimeBehavior=convertToNull&useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai&autoReconnect=true&allowMultiQueries=true
     username: youlai
     password: 123456
+
+    # === PostgreSQL 数据源示例（按需启用） ===
+    # driver-class-name: org.postgresql.Driver
+    # url: jdbc:postgresql://127.0.0.1:5432/youlai_boot
+    # username: postgres
+    # password: 123456
+
+    # === 达梦 DM 数据源示例（按需启用，注意按实际驱动与 URL 调整） ===
+    # driver-class-name: dm.jdbc.driver.DmDriver
+    # url: jdbc:dm://127.0.0.1:5236?schema=YOULAI_BOOT
+    # username: SYSDBA
+    # password: 123456
   data:
     redis:
       database: 11
@@ -173,7 +186,7 @@ springdoc:
   api-docs:
     path: /v3/api-docs
   group-configs:
-    - group: '系统管理'
+    - group: "系统管理"
       paths-to-match: "/**"
       packages-to-scan:
         - com.youlai.boot.auth.controller
@@ -243,7 +256,6 @@ wx:
     app-id: xxxxxx
     app-secret: xxxxxx
 
-
 # ==================== AI 命令系统配置 ====================
 ai:
   # 是否启用 AI 功能