动态加html标签

src/main/java/cn/meteor/beyondclouds/modules/post/service/impl/PostServiceImpl.java

@@ -112,6 +112,7 @@ public class PostServiceImpl extends ServiceImpl<PostMapper, Post> implements IP
         User user = userService.getById(post.getUserId());
         post.setUserNick(user.getNickName());
         post.setUserAvatar(user.getUserAvatar());
+        post.setContent(TopicUtils.encodeTopic(post.getContent()));
         //2.保存动态
         save(post);
 

src/main/java/cn/meteor/beyondclouds/util/TopicUtils.java

 package cn.meteor.beyondclouds.util;
 
 import lombok.extern.slf4j.Slf4j;
+import org.apache.kafka.common.protocol.types.Field;
 import org.springframework.util.Assert;
 
 import java.util.ArrayList;
@@ -19,6 +20,20 @@ public class TopicUtils {
 
     private static final Pattern topicPattern = Pattern.compile("(#([^#]+?)#)");
 
+    public static String encodeTopic(String str) {
+        Assert.hasText(str, "str must not be empty");
+
+        Matcher matcher = topicPattern.matcher(str);
+
+        StringBuffer buffer = new StringBuffer();
+        while (matcher.find()) {
+            String tmp = "<a href='/topic/detail/" + matcher.group(2) + "'>" + matcher.group(1) + "</a>";
+            matcher.appendReplacement(buffer, tmp);
+        }
+        matcher.appendTail(buffer);
+        return buffer.toString();
+    }
+
     public static List<String> parseTopics(String str) {
         Assert.hasText(str, "str must not be empty");
 
@@ -37,6 +52,7 @@ public class TopicUtils {
 
     public static void main(String[] args) {
         System.out.println(TopicUtils.parseTopics("#哈哈哈#今#哈哈哈#天你吃饭了吗#吃了#######"));
+        System.out.println(TopicUtils.encodeTopic("#哈哈哈#今#哈哈哈#天你吃饭了吗#吃了#######哈哈#a#b"));
     }
 
 }