feat(core): ReflectUtils 新增 createMethodReference 方法（由 CRUD 模块迁移）

continew-starter-core/src/main/java/top/continew/starter/core/util/ReflectUtils.java

@@ -17,11 +17,17 @@
 package top.continew.starter.core.util;
 
 import cn.hutool.core.util.ReflectUtil;
+import top.continew.starter.core.constant.StringConstants;
+import top.continew.starter.core.exception.BusinessException;
 
+import java.lang.invoke.MethodHandleProxies;
+import java.lang.invoke.MethodHandles;
 import java.lang.reflect.Field;
+import java.lang.reflect.Method;
 import java.lang.reflect.Modifier;
 import java.util.Arrays;
 import java.util.List;
+import java.util.function.Function;
 import java.util.stream.Collectors;
 
 /**
@@ -60,4 +66,27 @@ public class ReflectUtils {
         Field[] fields = ReflectUtil.getFields(beanClass);
         return Arrays.stream(fields).filter(f -> !Modifier.isStatic(f.getModifiers())).collect(Collectors.toList());
     }
+
+    /**
+     * 通过反射创建方法引用，支持在父类中查找方法
+     *
+     * @param clazz      实体类类型
+     * @param methodName 方法名
+     * @param <T>        实体类类型
+     * @param <K>        返回值类型
+     * @return Function<T, K> 方法引用
+     * @throws IllegalArgumentException 如果参数不合法
+     * @author lishuyan
+     * @since 2.13.2
+     */
+    @SuppressWarnings("unchecked")
+    public static <T, K> Function<T, K> createMethodReference(Class<T> clazz, String methodName) {
+        try {
+            Method method = ReflectUtil.getMethodByName(clazz, methodName);
+            method.setAccessible(true);
+            return MethodHandleProxies.asInterfaceInstance(Function.class, MethodHandles.lookup().unreflect(method));
+        } catch (Exception e) {
+            throw new BusinessException("创建方法引用失败：" + clazz.getName() + StringConstants.DOT + methodName, e);
+        }
+    }
 }

continew-starter-extension/continew-starter-extension-crud/continew-starter-extension-crud-mf/src/main/java/top/continew/starter/extension/crud/service/CrudServiceImpl.java

@@ -27,13 +27,10 @@ import cn.hutool.core.util.ReflectUtil;
 import cn.hutool.extra.spring.SpringUtil;
 import com.mybatisflex.core.paginate.Page;
 import com.mybatisflex.core.query.QueryWrapper;
-import jakarta.el.MethodNotFoundException;
 import jakarta.servlet.http.HttpServletResponse;
 import org.springframework.data.domain.Sort;
-import org.springframework.lang.NonNull;
 import org.springframework.transaction.annotation.Transactional;
 import top.continew.starter.core.constant.StringConstants;
-import top.continew.starter.core.exception.BusinessException;
 import top.continew.starter.core.util.ReflectUtils;
 import top.continew.starter.core.util.TreeUtils;
 import top.continew.starter.core.util.validation.ValidationUtils;
@@ -50,10 +47,7 @@ import top.continew.starter.extension.crud.model.query.SortQuery;
 import top.continew.starter.extension.crud.model.resp.LabelValueResp;
 import top.continew.starter.extension.crud.model.resp.PageResp;
 
-import java.lang.invoke.MethodHandleProxies;
-import java.lang.invoke.MethodHandles;
 import java.lang.reflect.Field;
-import java.lang.reflect.Method;
 import java.util.List;
 import java.util.Optional;
 import java.util.function.Function;
@@ -123,9 +117,10 @@ public class CrudServiceImpl<M extends BaseMapper<T>, T extends BaseIdDO, L, D,
             return TreeUtil.build(list, rootId, treeNodeConfig, (node,
                                                                  tree) -> buildTreeField(isSimple, node, tree, treeField));
         } else {
-            Function<L, Long> getId = createMethodReference(listClass, CharSequenceUtil.genGetter(treeField.value()));
-            Function<L, Long> getParentId = createMethodReference(listClass, CharSequenceUtil.genGetter(treeField
-                .parentIdKey()));
+            Function<L, Long> getId = ReflectUtils.createMethodReference(listClass, CharSequenceUtil.genGetter(treeField
+                .value()));
+            Function<L, Long> getParentId = ReflectUtils.createMethodReference(listClass, CharSequenceUtil
+                .genGetter(treeField.parentIdKey()));
             // 构建多根节点树
             return TreeUtils.buildMultiRoot(list, getId, getParentId, treeNodeConfig, (node,
                                                                                        tree) -> buildTreeField(isSimple, node, tree, treeField));
@@ -155,53 +150,6 @@ public class CrudServiceImpl<M extends BaseMapper<T>, T extends BaseIdDO, L, D,
         }
     }
 
-    /**
-     * 通过反射创建方法引用，支持在父类中查找方法
-     *
-     * @param clazz      实体类类型
-     * @param methodName 方法名
-     * @param <T>        实体类类型
-     * @param <K>        返回值类型
-     * @return Function<T, K> 方法引用
-     * @throws IllegalArgumentException 如果参数不合法
-     * @throws MethodNotFoundException  如果在类层次结构中找不到指定方法
-     */
-    @SuppressWarnings("unchecked")
-    public static <T, K> Function<T, K> createMethodReference(@NonNull Class<T> clazz, @NonNull String methodName) {
-        Method method = getMethod(clazz, methodName);
-        try {
-            // 设置访问权限并返回方法引用
-            method.setAccessible(true);
-            return MethodHandleProxies.asInterfaceInstance(Function.class, MethodHandles.lookup().unreflect(method));
-        } catch (Exception e) {
-            throw new BusinessException("创建方法引用失败: " + clazz.getName() + "." + methodName, e);
-        }
-    }
-
-    /**
-     * 获取方法（包括父类）
-     *
-     * @param clazz      实体类
-     * @param methodName 方法名
-     * @param <T>        实体类
-     * @return 方法
-     */
-    private static <T> Method getMethod(Class<T> clazz, String methodName) {
-        Class<?> currentClass = clazz;
-        Method method = null;
-        // 查找方法（包括父类）
-        while (currentClass != null) {
-            try {
-                method = currentClass.getDeclaredMethod(methodName);
-                break;
-            } catch (NoSuchMethodException e) {
-                // 继续查找父类
-                currentClass = currentClass.getSuperclass();
-            }
-        }
-        return method;
-    }
-
     @Override
     public D get(Long id) {
         T entity = super.getById(id);

continew-starter-extension/continew-starter-extension-crud/continew-starter-extension-crud-mp/src/main/java/top/continew/starter/extension/crud/service/CrudServiceImpl.java

@@ -30,13 +30,10 @@ import cn.hutool.extra.spring.SpringUtil;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
-import jakarta.el.MethodNotFoundException;
 import jakarta.servlet.http.HttpServletResponse;
 import org.springframework.data.domain.Sort;
-import org.springframework.lang.NonNull;
 import org.springframework.transaction.annotation.Transactional;
 import top.continew.starter.core.constant.StringConstants;
-import top.continew.starter.core.exception.BusinessException;
 import top.continew.starter.core.util.ClassUtils;
 import top.continew.starter.core.util.ReflectUtils;
 import top.continew.starter.core.util.TreeUtils;
@@ -56,10 +53,7 @@ import top.continew.starter.extension.crud.model.query.SortQuery;
 import top.continew.starter.extension.crud.model.resp.LabelValueResp;
 import top.continew.starter.extension.crud.model.resp.PageResp;
 
-import java.lang.invoke.MethodHandleProxies;
-import java.lang.invoke.MethodHandles;
 import java.lang.reflect.Field;
-import java.lang.reflect.Method;
 import java.util.*;
 import java.util.function.Function;
 
@@ -128,9 +122,10 @@ public class CrudServiceImpl<M extends BaseMapper<T>, T extends BaseIdDO, L, D,
             return TreeUtil.build(list, rootId, treeNodeConfig, (node,
                                                                  tree) -> buildTreeField(isSimple, node, tree, treeField));
         } else {
-            Function<L, Long> getId = createMethodReference(listClass, CharSequenceUtil.genGetter(treeField.value()));
-            Function<L, Long> getParentId = createMethodReference(listClass, CharSequenceUtil.genGetter(treeField
-                .parentIdKey()));
+            Function<L, Long> getId = ReflectUtils.createMethodReference(listClass, CharSequenceUtil.genGetter(treeField
+                .value()));
+            Function<L, Long> getParentId = ReflectUtils.createMethodReference(listClass, CharSequenceUtil
+                .genGetter(treeField.parentIdKey()));
             // 构建多根节点树
             return TreeUtils.buildMultiRoot(list, getId, getParentId, treeNodeConfig, (node,
                                                                                        tree) -> buildTreeField(isSimple, node, tree, treeField));
@@ -160,52 +155,6 @@ public class CrudServiceImpl<M extends BaseMapper<T>, T extends BaseIdDO, L, D,
         }
     }
 
-    /**
-     * 通过反射创建方法引用，支持在父类中查找方法
-     *
-     * @param clazz      实体类类型
-     * @param methodName 方法名
-     * @param <T>        实体类类型
-     * @param <K>        返回值类型
-     * @return Function<T, K> 方法引用
-     * @throws IllegalArgumentException 如果参数不合法
-     * @throws MethodNotFoundException  如果在类层次结构中找不到指定方法
-     */
-    @SuppressWarnings("unchecked")
-    public static <T, K> Function<T, K> createMethodReference(@NonNull Class<T> clazz, @NonNull String methodName) {
-        try {
-            Method method = getMethod(clazz, methodName);
-            method.setAccessible(true);
-            return MethodHandleProxies.asInterfaceInstance(Function.class, MethodHandles.lookup().unreflect(method));
-        } catch (Exception e) {
-            throw new BusinessException("创建方法引用失败：" + clazz.getName() + StringConstants.DOT + methodName, e);
-        }
-    }
-
-    /**
-     * 获取方法（包括父类）
-     *
-     * @param clazz      实体类
-     * @param methodName 方法名
-     * @param <T>        实体类
-     * @return 方法
-     */
-    private static <T> Method getMethod(Class<T> clazz, String methodName) {
-        Class<?> currentClass = clazz;
-        Method method = null;
-        // 查找方法（包括父类）
-        while (currentClass != null) {
-            try {
-                method = currentClass.getDeclaredMethod(methodName);
-                break;
-            } catch (NoSuchMethodException e) {
-                // 继续查找父类
-                currentClass = currentClass.getSuperclass();
-            }
-        }
-        return method;
-    }
-
     @Override
     public D get(Long id) {
         T entity = super.getById(id, false);