feat：增加租户切换的能力

yudao-framework/yudao-spring-boot-starter-biz-data-permission/src/main/java/cn/iocoder/yudao/framework/datapermission/core/db/DataPermissionRuleHandler.java

@@ -12,6 +12,8 @@ import net.sf.jsqlparser.schema.Table;
 
 import java.util.List;
 
+import static cn.iocoder.yudao.framework.security.core.util.SecurityFrameworkUtils.skipPermissionCheck;
+
 /**
  * 基于 {@link DataPermissionRule} 的数据权限处理器
  *
@@ -27,6 +29,11 @@ public class DataPermissionRuleHandler implements MultiDataPermissionHandler {
 
     @Override
     public Expression getSqlSegment(Table table, Expression where, String mappedStatementId) {
+        // 特殊：跨租户访问
+        if (skipPermissionCheck()) {
+            return null;
+        }
+
         // 获得 Mapper 对应的数据权限的规则
         List<DataPermissionRule> rules = ruleFactory.getDataPermissionRule(mappedStatementId);
         if (CollUtil.isEmpty(rules)) {

yudao-framework/yudao-spring-boot-starter-biz-data-permission/src/main/java/cn/iocoder/yudao/framework/datapermission/core/util/DataPermissionUtils.java

@@ -32,13 +32,12 @@ public class DataPermissionUtils {
      * @param runnable 逻辑
      */
     public static void executeIgnore(Runnable runnable) {
-        DataPermission dataPermission = getDisableDataPermissionDisable();
-        DataPermissionContextHolder.add(dataPermission);
+        addDisableDataPermission();
         try {
             // 执行 runnable
             runnable.run();
         } finally {
-            DataPermissionContextHolder.remove();
+            removeDataPermission();
         }
     }
 
@@ -50,14 +49,25 @@ public class DataPermissionUtils {
      */
     @SneakyThrows
     public static <T> T executeIgnore(Callable<T> callable) {
-        DataPermission dataPermission = getDisableDataPermissionDisable();
-        DataPermissionContextHolder.add(dataPermission);
+        addDisableDataPermission();
         try {
             // 执行 callable
             return callable.call();
         } finally {
-            DataPermissionContextHolder.remove();
+            removeDataPermission();
         }
     }
 
+    /**
+     * 添加忽略数据权限
+     */
+    public static void addDisableDataPermission(){
+        DataPermission dataPermission = getDisableDataPermissionDisable();
+        DataPermissionContextHolder.add(dataPermission);
+    }
+
+    public static void removeDataPermission(){
+        DataPermissionContextHolder.remove();
+    }
+
 }