feat(novel-front): 增加评论用户地理位置显示功能

novel-front/pom.xml

@@ -61,6 +61,12 @@
             <groupId>org.springframework.ai</groupId>
             <artifactId>spring-ai-openai-spring-boot-starter</artifactId>
         </dependency>
+
+        <dependency>
+            <groupId>org.lionsoul</groupId>
+            <artifactId>ip2region</artifactId>
+            <version>2.7.0</version>
+        </dependency>
     </dependencies>
 
     <build>

novel-front/src/main/java/com/java2nb/novel/controller/BookController.java

@@ -2,12 +2,14 @@ package com.java2nb.novel.controller;
 
 import com.java2nb.novel.core.bean.UserDetails;
 import com.java2nb.novel.core.enums.ResponseStatus;
+import com.java2nb.novel.core.utils.IpUtil;
 import com.java2nb.novel.entity.Book;
 import com.java2nb.novel.entity.BookCategory;
 import com.java2nb.novel.entity.BookComment;
 import com.java2nb.novel.entity.BookIndex;
 import com.java2nb.novel.service.BookContentService;
 import com.java2nb.novel.service.BookService;
+import com.java2nb.novel.service.IpLocationService;
 import com.java2nb.novel.vo.BookCommentVO;
 import com.java2nb.novel.vo.BookSettingVO;
 import com.java2nb.novel.vo.BookSpVO;
@@ -37,6 +39,8 @@ public class BookController extends BaseController {
 
     private final Map<String, BookContentService> bookContentServiceMap;
 
+    private final IpLocationService ipLocationService;
+
     /**
      * 查询首页小说设置列表数据
      */
@@ -158,6 +162,7 @@ public class BookController extends BaseController {
         if (userDetails == null) {
             return RestResult.fail(ResponseStatus.NO_LOGIN);
         }
+        comment.setLocation(ipLocationService.getLocation(IpUtil.getRealIp(request)));
         bookService.addBookComment(userDetails.getId(), comment);
         return RestResult.ok();
     }

novel-front/src/main/java/com/java2nb/novel/core/config/IpLocationConfig.java

@@ -0,0 +1,55 @@
+package com.java2nb.novel.core.config;
+
+import lombok.extern.slf4j.Slf4j;
+import org.lionsoul.ip2region.xdb.Searcher;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.core.io.ClassPathResource;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * IP 地址定位配置类
+ *
+ * @author xiongxiaoyang
+ * @date 2025/6/30
+ */
+@Slf4j
+@Configuration
+public class IpLocationConfig {
+
+    /**
+     * 使用 {@link Searcher} 实现高效的本地 IP 查询服务， 创建基于内存的 IP 地址查询对象，支持并发访问且仅需初始化一次。
+     *
+     * <p>该方法会将 ip2region.xdb 数据库文件加载到内存中，
+     * 并构建一个线程安全的 {@link Searcher} 实例，可用于高效、并发的 IP 地址定位查询。</p>
+     *
+     * <p>{@link Searcher} 实例是线程安全的，可以作为全局单例在整个应用中跨线程使用。</p>
+     *
+     * <p>通过配置 destroyMethod="close"，确保在 Spring 容器关闭时自动释放底层资源。</p>
+     */
+    @Bean(destroyMethod = "close")
+    public Searcher searcher() throws IOException {
+        // 1、从 classpath 加载整个 xdb 到内存。
+        try (InputStream inputStream = new ClassPathResource("ip2region.xdb").getInputStream()) {
+            File tempDbFile = File.createTempFile("ip2region", ".xdb");
+            try (FileOutputStream outputStream = new FileOutputStream(tempDbFile)) {
+                byte[] buffer = new byte[1024];
+                int bytesRead;
+                while ((bytesRead = inputStream.read(buffer)) != -1) {
+                    outputStream.write(buffer, 0, bytesRead);
+                }
+            }
+            // 确保程序退出时删除临时文件
+            tempDbFile.deleteOnExit();
+            byte[] cBuff = Searcher.loadContentFromFile(tempDbFile.getPath());
+
+            // 2、使用上述的 cBuff 创建一个完全基于内存的查询对象。
+            return Searcher.newWithBuffer(cBuff);
+        }
+    }
+
+}

novel-front/src/main/java/com/java2nb/novel/service/IpLocationService.java

@@ -0,0 +1,24 @@
+package com.java2nb.novel.service;
+
+/**
+ * IP 地址定位服务类
+ *
+ * <p>该服务用于实现 IP 地址到地理位置的查询功能，
+ * 包括国家、省份、城市等信息。</p>
+ *
+ * <p>此类设计为 Spring 管理的 Service Bean，支持在 Controller 或其他 Service 中注入使用。</p>
+ *
+ * @author xiongxiaoyang
+ * @date 2025/6/30
+ */
+public interface IpLocationService {
+
+    /**
+     * 根据 IP 地址查询地理位置信息
+     *
+     * @param ip 待查询的 IP 地址（IPv4）
+     * @return 如果是中国 IP，返回省份；否则返回国家
+     */
+    String getLocation(String ip);
+
+}

novel-front/src/main/java/com/java2nb/novel/service/impl/IpLocationServiceImpl.java

@@ -0,0 +1,56 @@
+package com.java2nb.novel.service.impl;
+
+import com.java2nb.novel.core.utils.IpUtil;
+import com.java2nb.novel.service.IpLocationService;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.lionsoul.ip2region.xdb.Searcher;
+import org.springframework.stereotype.Service;
+import org.springframework.util.StringUtils;
+
+/**
+ * IpLocationService 实现类
+ *
+ * @author xiongxiaoyang
+ * @date 2025/6/30
+ */
+@Slf4j
+@Service
+@RequiredArgsConstructor
+public class IpLocationServiceImpl implements IpLocationService {
+
+    private final Searcher searcher;
+
+    @Override
+    public String getLocation(String ip) {
+        try {
+            // 示例返回："中国|0|湖北省|武汉市|电信"
+            String region = searcher.search(ip);
+            String[] regions = region.split("\\|");
+            if (regions.length > 0) {
+                // 国家
+                String country = regions[0];
+                if ("0".equals(country)) {
+                    // 内网IP，直接获取本机公网IP
+                    String publicIp = IpUtil.getPublicIP();
+                    log.info("内网IP：{}，本机公网IP：{}", ip, publicIp);
+                    if (StringUtils.hasText(publicIp)) {
+                        return getLocation(publicIp);
+                    }
+                } else if ("中国".equals(country)) {
+                    // 是中国，则返回省份（第三个字段）
+                    String province = regions.length > 2 ? regions[2] : "未知地区";
+                    // 去掉最后一个“省”字
+                    return province.endsWith("省") ? province.substring(0, province.length() - 1) : province;
+                } else {
+                    // 非中国，返回国家名
+                    return country;
+                }
+            }
+        } catch (Exception e) {
+            log.error(e.getMessage(), e);
+        }
+        return "未知地区";
+    }
+
+}

novel-front/src/main/resources/mybatis/mapping/BookCommentMapper.xml

@@ -4,7 +4,7 @@
 <mapper namespace="com.java2nb.novel.mapper.FrontBookCommentMapper">
 
     <select id="listCommentByPage"  resultType="com.java2nb.novel.vo.BookCommentVO">
-        select t1.id,t1.book_id,t1.comment_content,t1.reply_count,t1.create_time,t2.username create_user_name,t2.user_photo create_user_photo
+        select t1.id,t1.book_id,t1.comment_content,t1.location,t1.reply_count,t1.create_time,t2.username create_user_name,t2.user_photo create_user_photo
         from book_comment t1 inner join user t2 on t1.create_user_id = t2.id
         <trim>
             <if test="bookId != null">

novel-front/src/main/resources/templates/book/book_comment.html

@@ -135,7 +135,7 @@
                                 "<div class=\"user_heads fl\" vals=\"389\">" +
                                 "<img src=\""+(comment.createUserPhoto ? comment.createUserPhoto : '/images/man.png')+"\" class=\"user_head\" alt=\"\">" +
                                 "<span class=\"user_level1\" style=\"display: none;\">见习</span></div>" +
-                                "<ul class=\"pl_bar fr\">\t\t\t<li class=\"name\">"+(comment.createUserName.substr(0, 4) + "****" + comment.createUserName.substr(comment.createUserName.length - 3, 3))+"</li><li class=\"dec\">" +
+                                "<ul class=\"pl_bar fr\">\t\t\t<li class=\"name\">"+(comment.createUserName)+"<span style='padding-left: 10px' class=\"other\">"+(comment.location ? comment.location + "读者" : '')+"</span></li><li class=\"dec\">" +
                                 comment.commentContent+
                                 "</li><li class=\"other cf\">" +
                                 "<span class=\"time fl\">"+comment.createTime+"</span>" +

novel-front/src/main/resources/templates/book/book_detail.html

@@ -95,7 +95,7 @@
                             <span class="block">暂无评论</span>
                         </div>
                         <div class="commentBar" id="commentPanel" th:style="${bookCommentPageBean.total == 0}? 'display:none'">
-                            <div th:each="comment: ${bookCommentPageBean.list}" class="comment_list cf"><div class="user_heads fl" vals="389"><img th:src="${comment.createUserPhoto}?${comment.createUserPhoto}:'/images/man.png'" class="user_head" alt=""><span class="user_level1" style="display: none;">见习</span></div><ul class="pl_bar fr">			<li class="name" th:text="${#strings.substring(comment.createUserName,0,4)}+'****'+${#strings.substring(comment.createUserName,#strings.length(comment.createUserName)-3,#strings.length(comment.createUserName))}"></li><li class="dec" th:utext="${comment.commentContent}"></li><li class="other cf"><span class="time fl" th:text="${#calendars.format(comment.createTime, 'yyyy-MM-dd HH:mm:ss')}"></span><span class="fr"><a href="javascript:void(0);" onclick="javascript:BookDetail.AddAgreeTotal(77,this);" class="zan" style="display: none;">赞<i class="num">(0)</i></a></span></li>		</ul>	</div>
+                            <div th:each="comment: ${bookCommentPageBean.list}" class="comment_list cf"><div class="user_heads fl" vals="389"><img th:src="${comment.createUserPhoto}?${comment.createUserPhoto}:'/images/man.png'" class="user_head" alt=""><span class="user_level1" style="display: none;">见习</span></div><ul class="pl_bar fr">			<li class="name"><span th:text="${#strings.substring(comment.createUserName,0,4)}+'****'+${#strings.substring(comment.createUserName,#strings.length(comment.createUserName)-3,#strings.length(comment.createUserName))}"></span><span style="padding-left: 10px" class="other" th:if="${comment.location}" th:text="${comment.location} + '读者'"></span></span></li><li class="dec" th:utext="${comment.commentContent}"></li><li class="other cf"><span class="time fl" th:text="${#calendars.format(comment.createTime, 'yyyy-MM-dd HH:mm:ss')}"></span><span class="fr"><a href="javascript:void(0);" onclick="javascript:BookDetail.AddAgreeTotal(77,this);" class="zan" style="display: none;">赞<i class="num">(0)</i></a></span></li>		</ul>	</div>
 
                         </div>
 
@@ -319,7 +319,7 @@
                                 "<div class=\"user_heads fl\" vals=\"389\">" +
                                 "<img src=\""+(comment.createUserPhoto ? comment.createUserPhoto : '/images/man.png')+"\" class=\"user_head\" alt=\"\">" +
                                 "<span class=\"user_level1\" style=\"display: none;\">见习</span></div>" +
-                                "<ul class=\"pl_bar fr\">\t\t\t<li class=\"name\">"+(comment.createUserName)+"</li><li class=\"dec\">" +
+                                "<ul class=\"pl_bar fr\">\t\t\t<li class=\"name\">"+(comment.createUserName)+"<span style='padding-left: 10px' class=\"other\">"+(comment.location ? comment.location + "读者" : '')+"</span></li><li class=\"dec\">" +
                                 comment.commentContent+
                                 "</li><li class=\"other cf\">" +
                                 "<span class=\"time fl\">"+comment.createTime+"</span>" +