From 8c3462079bf1d850d36a9bfc797d54018208a6c6 Mon Sep 17 00:00:00 2001
From: 疯狂的狮子Li <15040126243@163.com>
Date: 星期三, 17 一月 2024 23:05:21 +0800
Subject: [PATCH] update 优化 数据权限 使用预扫描mapper注解提升代码性能

---
 ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/config/MybatisPlusConfig.java                  |    3 
 ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/interceptor/PlusDataPermissionInterceptor.java |   32 +++-------
 ruoyi-common/ruoyi-common-encrypt/src/main/java/org/dromara/common/encrypt/core/EncryptorManager.java                     |    6 -
 ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/handler/PlusDataPermissionHandler.java         |   83 +++++++++++++++++++--------
 4 files changed, 73 insertions(+), 51 deletions(-)

diff --git a/ruoyi-common/ruoyi-common-encrypt/src/main/java/org/dromara/common/encrypt/core/EncryptorManager.java b/ruoyi-common/ruoyi-common-encrypt/src/main/java/org/dromara/common/encrypt/core/EncryptorManager.java
index 356b043..a6d3cf9 100644
--- a/ruoyi-common/ruoyi-common-encrypt/src/main/java/org/dromara/common/encrypt/core/EncryptorManager.java
+++ b/ruoyi-common/ruoyi-common-encrypt/src/main/java/org/dromara/common/encrypt/core/EncryptorManager.java
@@ -47,7 +47,7 @@
      * @param typeAliasesPackage 瀹炰綋绫诲寘
      */
     public EncryptorManager(String typeAliasesPackage) {
-        this.fieldCache = scanEncryptClasses(typeAliasesPackage);
+        scanEncryptClasses(typeAliasesPackage);
     }
 
 
@@ -109,8 +109,7 @@
     /**
      * 閫氳繃 typeAliasesPackage 璁剧疆鐨勬壂鎻忓寘 鎵弿缂撳瓨瀹炰綋
      */
-    private Map<Class<?>, Set<Field>> scanEncryptClasses(String typeAliasesPackage) {
-        Map<Class<?>, Set<Field>> fieldCache = new HashMap<>();
+    private void scanEncryptClasses(String typeAliasesPackage) {
         PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
         CachingMetadataReaderFactory factory = new CachingMetadataReaderFactory();
         String[] packagePatternArray = StringUtils.splitPreserveAllTokens(typeAliasesPackage, ConfigurableApplicationContext.CONFIG_LOCATION_DELIMITERS);
@@ -131,7 +130,6 @@
         } catch (Exception e) {
             log.error("鍒濆鍖栨暟鎹畨鍏ㄧ紦瀛樻椂鍑洪敊:{}", e.getMessage());
         }
-        return fieldCache;
     }
 
     /**
diff --git a/ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/config/MybatisPlusConfig.java b/ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/config/MybatisPlusConfig.java
index 1791b2b..c465c2a 100644
--- a/ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/config/MybatisPlusConfig.java
+++ b/ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/config/MybatisPlusConfig.java
@@ -8,6 +8,7 @@
 import com.baomidou.mybatisplus.extension.plugins.inner.OptimisticLockerInnerInterceptor;
 import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
 import org.dromara.common.core.factory.YmlPropertySourceFactory;
+import org.dromara.common.core.utils.SpringUtils;
 import org.dromara.common.mybatis.handler.InjectionMetaObjectHandler;
 import org.dromara.common.mybatis.interceptor.PlusDataPermissionInterceptor;
 import org.mybatis.spring.annotation.MapperScan;
@@ -41,7 +42,7 @@
      * 鏁版嵁鏉冮檺鎷︽埅鍣�
      */
     public PlusDataPermissionInterceptor dataPermissionInterceptor() {
-        return new PlusDataPermissionInterceptor();
+        return new PlusDataPermissionInterceptor(SpringUtils.getProperty("mybatis-plus.mapperPackage"));
     }
 
     /**
diff --git a/ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/handler/PlusDataPermissionHandler.java b/ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/handler/PlusDataPermissionHandler.java
index 6ddaa24..7d7fd84 100644
--- a/ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/handler/PlusDataPermissionHandler.java
+++ b/ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/handler/PlusDataPermissionHandler.java
@@ -2,7 +2,6 @@
 
 import cn.hutool.core.annotation.AnnotationUtil;
 import cn.hutool.core.collection.CollUtil;
-import cn.hutool.core.util.ClassUtil;
 import cn.hutool.core.util.ObjectUtil;
 import lombok.extern.slf4j.Slf4j;
 import net.sf.jsqlparser.JSQLParserException;
@@ -10,6 +9,7 @@
 import net.sf.jsqlparser.expression.Parenthesis;
 import net.sf.jsqlparser.expression.operators.conditional.AndExpression;
 import net.sf.jsqlparser.parser.CCJSqlParserUtil;
+import org.apache.ibatis.io.Resources;
 import org.dromara.common.core.domain.dto.RoleDTO;
 import org.dromara.common.core.domain.model.LoginUser;
 import org.dromara.common.core.exception.ServiceException;
@@ -21,16 +21,26 @@
 import org.dromara.common.mybatis.enums.DataScopeType;
 import org.dromara.common.mybatis.helper.DataPermissionHelper;
 import org.dromara.common.satoken.utils.LoginHelper;
+import org.springframework.context.ConfigurableApplicationContext;
 import org.springframework.context.expression.BeanFactoryResolver;
+import org.springframework.core.io.Resource;
+import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
+import org.springframework.core.io.support.ResourcePatternResolver;
+import org.springframework.core.type.ClassMetadata;
+import org.springframework.core.type.classreading.CachingMetadataReaderFactory;
 import org.springframework.expression.BeanResolver;
 import org.springframework.expression.ExpressionParser;
 import org.springframework.expression.ParserContext;
 import org.springframework.expression.common.TemplateParserContext;
 import org.springframework.expression.spel.standard.SpelExpressionParser;
 import org.springframework.expression.spel.support.StandardEvaluationContext;
+import org.springframework.util.ClassUtils;
 
 import java.lang.reflect.Method;
-import java.util.*;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.function.Function;
 
@@ -58,9 +68,13 @@
      */
     private final BeanResolver beanResolver = new BeanFactoryResolver(SpringUtils.getBeanFactory());
 
+    public PlusDataPermissionHandler(String mapperPackage) {
+        scanMapperClasses(mapperPackage);
+    }
+
 
     public Expression getSqlSegment(Expression where, String mappedStatementId, boolean isSelect) {
-        DataColumn[] dataColumns = findAnnotation(mappedStatementId);
+        DataPermission dataPermission = getDataPermission(mappedStatementId);
         LoginUser currentUser = DataPermissionHelper.getVariable("user");
         if (ObjectUtil.isNull(currentUser)) {
             currentUser = LoginHelper.getLoginUser();
@@ -70,7 +84,7 @@
         if (LoginHelper.isSuperAdmin() || LoginHelper.isTenantAdmin()) {
             return where;
         }
-        String dataFilterSql = buildDataFilter(dataColumns, isSelect);
+        String dataFilterSql = buildDataFilter(dataPermission.value(), isSelect);
         if (StringUtils.isBlank(dataFilterSql)) {
             return where;
         }
@@ -144,43 +158,64 @@
         return "";
     }
 
-    public DataColumn[] findAnnotation(String mappedStatementId) {
-        StringBuilder sb = new StringBuilder(mappedStatementId);
-        int index = sb.lastIndexOf(".");
-        String clazzName = sb.substring(0, index);
-        String methodName = sb.substring(index + 1, sb.length());
-        Class<?> clazz;
+    /**
+     * 閫氳繃 mapperPackage 璁剧疆鐨勬壂鎻忓寘 鎵弿缂撳瓨鏈夋敞瑙g殑鏂规硶涓庣被
+     */
+    private void scanMapperClasses(String mapperPackage) {
+        PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
+        CachingMetadataReaderFactory factory = new CachingMetadataReaderFactory();
+        String[] packagePatternArray = StringUtils.splitPreserveAllTokens(mapperPackage, ConfigurableApplicationContext.CONFIG_LOCATION_DELIMITERS);
+        String classpath = ResourcePatternResolver.CLASSPATH_ALL_URL_PREFIX;
         try {
-            clazz = ClassUtil.loadClass(clazzName);
+            for (String packagePattern : packagePatternArray) {
+                String path = ClassUtils.convertClassNameToResourcePath(packagePattern);
+                Resource[] resources = resolver.getResources(classpath + path + "/*.class");
+                for (Resource resource : resources) {
+                    ClassMetadata classMetadata = factory.getMetadataReader(resource).getClassMetadata();
+                    Class<?> clazz = Resources.classForName(classMetadata.getClassName());
+                    findAnnotation(clazz);
+                }
+            }
         } catch (Exception e) {
-            return null;
+            log.error("鍒濆鍖栨暟鎹畨鍏ㄧ紦瀛樻椂鍑洪敊:{}", e.getMessage());
         }
-        List<Method> methods = Arrays.stream(ClassUtil.getDeclaredMethods(clazz))
-            .filter(method -> method.getName().equals(methodName)).toList();
+    }
+
+    private void findAnnotation(Class<?> clazz) {
         DataPermission dataPermission;
         // 鑾峰彇鏂规硶娉ㄨВ
-        for (Method method : methods) {
-            dataPermission = dataPermissionCacheMap.get(mappedStatementId);
-            if (ObjectUtil.isNotNull(dataPermission)) {
-                return dataPermission.value();
+        for (Method method : clazz.getMethods()) {
+            if (method.isDefault() || method.isVarArgs()) {
+                continue;
             }
+            String mappedStatementId = clazz.getName() + "." + method.getName();
             if (AnnotationUtil.hasAnnotation(method, DataPermission.class)) {
                 dataPermission = AnnotationUtil.getAnnotation(method, DataPermission.class);
                 dataPermissionCacheMap.put(mappedStatementId, dataPermission);
-                return dataPermission.value();
             }
-        }
-        dataPermission = dataPermissionCacheMap.get(clazz.getName());
-        if (ObjectUtil.isNotNull(dataPermission)) {
-            return dataPermission.value();
         }
         // 鑾峰彇绫绘敞瑙�
         if (AnnotationUtil.hasAnnotation(clazz, DataPermission.class)) {
             dataPermission = AnnotationUtil.getAnnotation(clazz, DataPermission.class);
             dataPermissionCacheMap.put(clazz.getName(), dataPermission);
-            return dataPermission.value();
+        }
+    }
+
+    public DataPermission getDataPermission(String mapperId) {
+        if (dataPermissionCacheMap.containsKey(mapperId)) {
+            return dataPermissionCacheMap.get(mapperId);
+        }
+        String clazzName = mapperId.substring(0, mapperId.lastIndexOf("."));
+        if (dataPermissionCacheMap.containsKey(clazzName)) {
+            return dataPermissionCacheMap.get(clazzName);
         }
         return null;
     }
 
+    /**
+     * 鏄惁鏃犳晥
+     */
+    public boolean invalid(String mapperId) {
+        return getDataPermission(mapperId) == null;
+    }
 }
diff --git a/ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/interceptor/PlusDataPermissionInterceptor.java b/ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/interceptor/PlusDataPermissionInterceptor.java
index 0ab0c11..f287846 100644
--- a/ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/interceptor/PlusDataPermissionInterceptor.java
+++ b/ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/interceptor/PlusDataPermissionInterceptor.java
@@ -1,13 +1,10 @@
 package org.dromara.common.mybatis.interceptor;
 
-import cn.hutool.core.collection.ConcurrentHashSet;
-import cn.hutool.core.util.ArrayUtil;
 import com.baomidou.mybatisplus.core.plugins.InterceptorIgnoreHelper;
 import com.baomidou.mybatisplus.core.toolkit.PluginUtils;
 import com.baomidou.mybatisplus.extension.parser.JsqlParserSupport;
 import com.baomidou.mybatisplus.extension.plugins.inner.InnerInterceptor;
-import org.dromara.common.mybatis.annotation.DataColumn;
-import org.dromara.common.mybatis.handler.PlusDataPermissionHandler;
+import lombok.extern.slf4j.Slf4j;
 import net.sf.jsqlparser.expression.Expression;
 import net.sf.jsqlparser.statement.delete.Delete;
 import net.sf.jsqlparser.statement.select.PlainSelect;
@@ -22,11 +19,11 @@
 import org.apache.ibatis.mapping.SqlCommandType;
 import org.apache.ibatis.session.ResultHandler;
 import org.apache.ibatis.session.RowBounds;
+import org.dromara.common.mybatis.handler.PlusDataPermissionHandler;
 
 import java.sql.Connection;
 import java.sql.SQLException;
 import java.util.List;
-import java.util.Set;
 
 /**
  * 鏁版嵁鏉冮檺鎷︽埅鍣�
@@ -34,13 +31,14 @@
  * @author Lion Li
  * @version 3.5.0
  */
+@Slf4j
 public class PlusDataPermissionInterceptor extends JsqlParserSupport implements InnerInterceptor {
 
-    private final PlusDataPermissionHandler dataPermissionHandler = new PlusDataPermissionHandler();
-    /**
-     * 鏃犳晥娉ㄨВ鏂规硶缂撳瓨鐢ㄤ簬蹇�熻繑鍥�
-     */
-    private final Set<String> invalidCacheSet = new ConcurrentHashSet<>();
+    private final PlusDataPermissionHandler dataPermissionHandler;
+
+    public PlusDataPermissionInterceptor(String mapperPackage) {
+        this.dataPermissionHandler = new PlusDataPermissionHandler(mapperPackage);
+    }
 
     @Override
     public void beforeQuery(Executor executor, MappedStatement ms, Object parameter, RowBounds rowBounds, ResultHandler resultHandler, BoundSql boundSql) throws SQLException {
@@ -49,12 +47,7 @@
             return;
         }
         // 妫�鏌ユ槸鍚︽棤鏁� 鏃犳暟鎹潈闄愭敞瑙�
-        if (invalidCacheSet.contains(ms.getId())) {
-            return;
-        }
-        DataColumn[] dataColumns = dataPermissionHandler.findAnnotation(ms.getId());
-        if (ArrayUtil.isEmpty(dataColumns)) {
-            invalidCacheSet.add(ms.getId());
+        if (dataPermissionHandler.invalid(ms.getId())) {
             return;
         }
         // 瑙f瀽 sql 鍒嗛厤瀵瑰簲鏂规硶
@@ -72,12 +65,7 @@
                 return;
             }
             // 妫�鏌ユ槸鍚︽棤鏁� 鏃犳暟鎹潈闄愭敞瑙�
-            if (invalidCacheSet.contains(ms.getId())) {
-                return;
-            }
-            DataColumn[] dataColumns = dataPermissionHandler.findAnnotation(ms.getId());
-            if (ArrayUtil.isEmpty(dataColumns)) {
-                invalidCacheSet.add(ms.getId());
+            if (dataPermissionHandler.invalid(ms.getId())) {
                 return;
             }
             PluginUtils.MPBoundSql mpBs = mpSh.mPBoundSql();

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