扩展 数据权限，详细说明在org.dromara.test.mapper.CustomSqlTest

ruoyi-admin/src/test/java/org/dromara/test/mapper/CustomSqlTest.java

@@ -0,0 +1,41 @@
+package org.dromara.test.mapper;
+
+public class CustomSqlTest {
+    /**
+     * mapper 接口
+     * @Mapper
+     * public interface ILoanMapper extends BaseMapper<Loan> {
+     *     @DataPermission({
+     *         @DataColumn(key = DataColumn.CUSTOM_SQL, value = "(#{#trackerId} = #{#user.userId}  or #{#salespersonId} = #{#user.userId})"),
+     *         @DataColumn(key = {"trackerId", "salespersonId"}, value = {"l.tracker_id", "l.salesperson_id"}),
+     *     })
+     *     Page<Loan> selectPageLoanList(@Param("page") Page<Loan> page, @Param(Constants.WRAPPER) Wrapper<Loan> queryWrapper);
+     * }
+     *
+     * mapper 文件
+     * <select id="selectPageLoanList" resultType="com.smart330.zr.loan.domain.entity.Loan">
+     *         select
+     *         <if test="ew.getSqlSelect != null">
+     *             ${ew.getSqlSelect}
+     *         </if>
+     *         <if test="ew.getSqlSelect == null">
+     *             *
+     *         </if>
+     *         from zr_loan l
+     *             ${ew.getCustomSqlSegment}
+     *     </select>
+     *
+     *  实体
+     *  public class Loan extends TenantEntity {
+     *      private Long id;
+     *      //业务员
+     *      private Long salespersonId;
+     *      //跟单员
+     *      private Long trackerId;
+     *      .....
+     *  }
+     *
+     * //结果： 业务员 与 跟单员都只能看自己的数据，但每条数据 既有跟单员也有业务员
+     *  select * from zr_loan  where (l.tracker_id = 1  or l.salesperson_id = 1)
+     */
+}

ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/annotation/DataColumn.java

@@ -15,6 +15,7 @@ import java.lang.annotation.*;
 @Retention(RetentionPolicy.RUNTIME)
 @Documented
 public @interface DataColumn {
+    String CUSTOM_SQL = "CustomSql";
 
     /**
      * 数据权限模板的占位符关键字，默认为 "deptName"

ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/enums/DataScopeType.java

@@ -4,6 +4,7 @@ import lombok.AllArgsConstructor;
 import lombok.Getter;
 import org.dromara.common.core.domain.model.LoginUser;
 import org.dromara.common.core.utils.StringUtils;
+import org.dromara.common.mybatis.annotation.DataColumn;
 import org.dromara.common.mybatis.helper.DataPermissionHelper;
 
 /**
@@ -56,7 +57,12 @@ public enum DataScopeType {
      * 使用 SpEL 表达式：`#{#userName} = #{#user.userId}`
      * 如果不满足条件，则使用默认 SQL 表达式：`1 = 0`
      */
-    SELF("5", " #{#userName} = #{#user.userId} ", " 1 = 0 ");
+    SELF("5", " #{#userName} = #{#user.userId} ", " 1 = 0 "),
+
+    /**
+     * 弹性数据权限（通过自定义SQL实现）
+     */
+    CUSTOM_SQL("6", " {" + DataColumn.CUSTOM_SQL + "} ", " 1 = 0 ");
 
     private final String code;
 

ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/handler/PlusDataPermissionHandler.java

@@ -3,6 +3,7 @@ package org.dromara.common.mybatis.handler;
 import cn.hutool.core.annotation.AnnotationUtil;
 import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.util.ObjectUtil;
+import cn.hutool.core.util.StrUtil;
 import lombok.extern.slf4j.Slf4j;
 import net.sf.jsqlparser.JSQLParserException;
 import net.sf.jsqlparser.expression.Expression;
@@ -37,10 +38,7 @@ import org.springframework.expression.spel.support.StandardEvaluationContext;
 import org.springframework.util.ClassUtils;
 
 import java.lang.reflect.Method;
-import java.util.Arrays;
+import java.util.*;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.function.Function;
 
@@ -144,13 +142,23 @@ public class PlusDataPermissionHandler {
             if (type == DataScopeType.ALL) {
                 return "";
             }
+
+            String sqlTemplate = type.getSqlTemplate();
+            if (type == DataScopeType.CUSTOM_SQL) {
+                //自定义SQL逻辑
+                DataColumn customColum = Arrays.stream(dataColumns).filter(c -> Arrays.asList(c.key()).contains(DataColumn.CUSTOM_SQL)).findFirst().orElseThrow(() -> new ServiceException("角色数据范围异常key配置异常 => " + role.getDataScope()));
+                Map<String, String> map = new HashMap<>();
+                map.put(DataColumn.CUSTOM_SQL, customColum.value()[0]);
+                sqlTemplate = StrUtil.format(sqlTemplate, map);
+            }
+
             boolean isSuccess = false;
             for (DataColumn dataColumn : dataColumns) {
                 if (dataColumn.key().length != dataColumn.value().length) {
                     throw new ServiceException("角色数据范围异常 => key与value长度不匹配");
                 }
                 // 不包含 key 变量 则不处理
-                if (!StringUtils.containsAny(type.getSqlTemplate(),
+                if (!StringUtils.containsAny(sqlTemplate,
                     Arrays.stream(dataColumn.key()).map(key -> "#" + key).toArray(String[]::new)
                 )) {
                     continue;
@@ -161,7 +169,7 @@ public class PlusDataPermissionHandler {
                 }
 
                 // 解析sql模板并填充
-                String sql = parser.parseExpression(type.getSqlTemplate(), parserContext).getValue(context, String.class);
+                String sql = parser.parseExpression(sqlTemplate, parserContext).getValue(context, String.class);
                 conditions.add(joinStr + sql);
                 isSuccess = true;
             }