添加搜索模块，热搜前十，个人搜索记录，搜索记录添加，搜索记录删除，敏感词替换，redis配置没添加

src/main/java/com/lovenav/utils/RedisKeyUtils.java

@@ -0,0 +1,23 @@
+package com.lovenav.utils;
+
+public class RedisKeyUtils {
+    /** * 分隔符号 */
+    private static final String SPLIT = ":";
+    private static final String SEARCH = "search";
+    private static final String SEARCH_HISTORY = "search-history";
+    private static final String HOT_SEARCH = "hot-search";
+    private static final String SEARCH_TIME = "search-time";
+    /** * 每个用户的个人搜索记录hash */
+    public static String getSearchHistoryKey(String userId){
+        return SEARCH + SPLIT + SEARCH_HISTORY + SPLIT + userId;
+    }
+    /** * 总的热搜zset */
+    public static String getHotSearchKey(){
+        return SEARCH + SPLIT + HOT_SEARCH;
+    }
+    /** * 每个搜索记录的时间戳记录：key-value */
+    public static String getSearchTimeKey(String searchKey){
+        return SEARCH + SPLIT + SEARCH_TIME + SPLIT + searchKey;
+    }
+
+}