feat: 新增了分页 Utils

src/main/java/icu/sunway/ai_spring_example/Config/OpenApiConfig.java

@@ -0,0 +1,22 @@
+package icu.sunway.ai_spring_example.Config;
+
+import io.swagger.v3.oas.models.OpenAPI;
+import io.swagger.v3.oas.models.info.Info;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+/**
+ * OpenAPI配置类
+ */
+@Configuration
+public class OpenApiConfig {
+
+    @Bean
+    public OpenAPI customOpenAPI() {
+        return new OpenAPI()
+                .info(new Info()
+                        .title("Swagger API文档")
+                        .version("1.0.0")
+                        .description("查询 API 文档"));
+    }
+}

src/main/java/icu/sunway/ai_spring_example/Config/SecurityConfig.java

@@ -11,23 +11,21 @@ import org.springframework.security.web.SecurityFilterChain;
 @EnableWebSecurity
 public class SecurityConfig {
 
-    @Bean
-    public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
-        http
-                // 启用跨域配置
-                .cors(cors -> cors.configurationSource(
-                        request -> new org.springframework.web.cors.CorsConfiguration().applyPermitDefaultValues()))
-                // 禁用默认的登录表单和HTTP基本认证
-                .formLogin(form -> form.disable())
-                .httpBasic(basic -> basic.disable())
-                // 允许所有请求通过，取消默认登录验证
-                .authorizeHttpRequests((authz) -> authz
-                        .anyRequest().permitAll())
-                // 禁用CSRF保护
-                .csrf(csrf -> csrf.disable())
-                // 设置会话创建策略为无状态
-                .sessionManagement(session -> session.sessionCreationPolicy(SessionCreationPolicy.STATELESS));
+        @Bean
+        public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
+                http
+                                // 禁用默认的登录表单和HTTP基本认证
+                                .formLogin(form -> form.disable())
+                                .httpBasic(basic -> basic.disable())
+                                // 允许所有请求通过，取消默认登录验证
+                                .authorizeHttpRequests((authz) -> authz
+                                                .anyRequest().permitAll())
+                                // 禁用CSRF保护
+                                .csrf(csrf -> csrf.disable())
+                                // 设置会话创建策略为无状态
+                                .sessionManagement(session -> session
+                                                .sessionCreationPolicy(SessionCreationPolicy.STATELESS));
 
-        return http.build();
-    }
+                return http.build();
+        }
 }

src/main/java/icu/sunway/ai_spring_example/Controller/ExampleEntityController/EaxmpleEntityController.java

@@ -1,4 +1,4 @@
-package icu.sunway.ai_spring_example.Controllers;
+package icu.sunway.ai_spring_example.Controller.ExampleEntityController;
 
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.RestController;

src/main/java/icu/sunway/ai_spring_example/Utils/PageUtils.java

@@ -0,0 +1,111 @@
+package icu.sunway.ai_spring_example.Utils;
+
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.List;
+
+/**
+ * 分页工具类
+ */
+public class PageUtils {
+
+    /**
+     * 默认页码
+     */
+    public static final Integer DEFAULT_PAGE = 1;
+
+    /**
+     * 默认每页数量
+     */
+    public static final Integer DEFAULT_LIMIT = 10;
+
+    /**
+     * 最大每页数量
+     */
+    public static final Integer MAX_LIMIT = 100;
+
+    /**
+     * 分页结果类
+     * 
+     * @param <T> 数据类型
+     */
+    @Data
+    @AllArgsConstructor
+    @NoArgsConstructor
+    public static class PaginationResult<T> {
+        private Integer currentPage;
+        private Integer pageSize;
+        private Long totalItems;
+        private Integer totalPages;
+        private List<T> list;
+    }
+
+    /**
+     * 验证和调整分页参数
+     * 
+     * @param page  页码
+     * @param limit 每页数量
+     * @return 调整后的分页参数数组 [page, limit]
+     */
+    public static Integer[] validatePageParams(Integer page, Integer limit) {
+        // 验证页码
+        if (page == null || page < 1) {
+            page = DEFAULT_PAGE;
+        }
+
+        // 验证每页数量
+        if (limit == null || limit < 1 || limit > MAX_LIMIT) {
+            limit = DEFAULT_LIMIT;
+        }
+
+        return new Integer[] { page, limit };
+    }
+
+    /**
+     * 创建Page对象
+     * 
+     * @param page  页码
+     * @param limit 每页数量
+     * @return Page对象
+     */
+    public static <T> Page<T> createPage(Integer page, Integer limit) {
+        Integer[] params = validatePageParams(page, limit);
+        return new Page<>(params[0], params[1]);
+    }
+
+    /**
+     * 将MyBatis Plus的Page结果转换为分页结果
+     * 
+     * @param pageResult MyBatis Plus的Page结果
+     * @return 分页结果
+     */
+    public static <T> PaginationResult<T> createPaginationResult(IPage<T> pageResult) {
+        return new PaginationResult<>(
+                (int) pageResult.getCurrent(),
+                (int) pageResult.getSize(),
+                pageResult.getTotal(),
+                (int) pageResult.getPages(),
+                pageResult.getRecords());
+    }
+
+    /**
+     * 创建空的分页结果
+     * 
+     * @param page  页码
+     * @param limit 每页数量
+     * @return 空的分页结果
+     */
+    public static <T> PaginationResult<T> createEmptyPaginationResult(Integer page, Integer limit) {
+        Integer[] params = validatePageParams(page, limit);
+        return new PaginationResult<>(
+                params[0],
+                params[1],
+                0L,
+                0,
+                List.of());
+    }
+}