重构：初步封装后端 CRUD 公共组件（BaseController、BaseService、BaseServiceImpl）

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/handler/CrudRequestMappingHandlerMapping.java

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+/*
+ * Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package top.charles7c.cnadmin.common.handler;
+
+import static top.charles7c.cnadmin.common.annotation.CrudRequestMapping.Api;
+
+import java.lang.reflect.Method;
+
+import lombok.NoArgsConstructor;
+
+import org.springframework.lang.NonNull;
+import org.springframework.web.servlet.mvc.method.RequestMappingInfo;
+import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping;
+
+import cn.hutool.core.util.ArrayUtil;
+import cn.hutool.core.util.StrUtil;
+
+import top.charles7c.cnadmin.common.annotation.CrudRequestMapping;
+import top.charles7c.cnadmin.common.util.ExceptionUtils;
+
+/**
+ * CRUD 请求映射器处理器映射器
+ *
+ * @author Charles7c
+ * @since 2023/1/27 10:30
+ */
+@NoArgsConstructor
+public class CrudRequestMappingHandlerMapping extends RequestMappingHandlerMapping {
+
+    @Override
+    protected RequestMappingInfo getMappingForMethod(@NonNull Method method, @NonNull Class<?> handlerType) {
+        RequestMappingInfo requestMappingInfo = super.getMappingForMethod(method, handlerType);
+        if (requestMappingInfo == null) {
+            return null;
+        }
+
+        // 如果没有声明 @CrudRequestMapping 注解，直接返回
+        if (!handlerType.isAnnotationPresent(CrudRequestMapping.class)) {
+            return requestMappingInfo;
+        }
+
+        // 获取 @CrudRequestMapping 注解信息
+        CrudRequestMapping crudRequestMapping = handlerType.getDeclaredAnnotation(CrudRequestMapping.class);
+        // 拼接路径前缀（合并了 @RequestMapping 的部分能力）
+        String pathPrefix = crudRequestMapping.value();
+        if (StrUtil.isNotBlank(pathPrefix)) {
+            requestMappingInfo = RequestMappingInfo.paths(pathPrefix).build().combine(requestMappingInfo);
+        }
+
+        // 过滤 API
+        Api[] apiArr = crudRequestMapping.api();
+        // 如果非本类中定义，且 API 列表中不包含，则忽略
+        Api api = ExceptionUtils.exToNull(() -> Api.valueOf(method.getName().toUpperCase()));
+        if (method.getDeclaringClass() != handlerType && !ArrayUtil.containsAny(apiArr, Api.ALL, api)) {
+            return null;
+        }
+        return requestMappingInfo;
+    }
+}