.

src/com/lxyer/bbs/base/LxyKit.java

@@ -1,6 +1,8 @@
 package com.lxyer.bbs.base;
 
 import java.text.SimpleDateFormat;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 /**
  * Created by Lxy at 2017/11/29 15:17.
@@ -30,4 +32,39 @@ public final class LxyKit {
             return new SimpleDateFormat("yyyy-MM-dd").format(time);
 
     }
+
+    public static String delHTMLTag(String htmlStr){
+        String regEx_script="<script[^>]*?>[\\s\\S]*?<\\/script>"; //定义script的正则表达式
+        String regEx_style="<style[^>]*?>[\\s\\S]*?<\\/style>"; //定义style的正则表达式
+        String regEx_html="<[^>]+>"; //定义HTML标签的正则表达式
+
+        Pattern p_script=Pattern.compile(regEx_script,Pattern.CASE_INSENSITIVE);
+        Matcher m_script=p_script.matcher(htmlStr);
+        htmlStr=m_script.replaceAll(""); //过滤script标签
+
+        Pattern p_style=Pattern.compile(regEx_style,Pattern.CASE_INSENSITIVE);
+        Matcher m_style=p_style.matcher(htmlStr);
+        htmlStr=m_style.replaceAll(""); //过滤style标签
+
+        Pattern p_html=Pattern.compile(regEx_html,Pattern.CASE_INSENSITIVE);
+        Matcher m_html=p_html.matcher(htmlStr);
+        htmlStr=m_html.replaceAll(""); //过滤html标签
+
+        return htmlStr.trim(); //返回文本字符串
+    }
+
+    public static void main(String[] args) {
+        Pattern p = Pattern.compile("@*&nbsp;");
+
+        Matcher matcher = p.matcher("@nick&nbsp;[污]&nbsp;");
+
+        int count = 0;
+        while (matcher.find()) {
+            count++;
+
+
+
+        }
+
+    }
 }

src/com/lxyer/bbs/base/RetCodes.java

@@ -39,6 +39,12 @@ public abstract class RetCodes {
     @RetLabel("邮箱无效")
     public static final int RET_USER_EMAIL_ILLEGAL = 3002_0009;
 
+    @RetLabel("昵称无效")
+    public static final int RET_USER_NICKNAME_ILLEGAL = 3002_0010;
+
+    @RetLabel("昵称已存在")
+    public static final int RET_USER_NICKNAME_EXISTS = 3002_0011;
+
     //------------------------------------- 内容模块 -----------------------------------------
 
     //------------------------------------- 评论模块 -----------------------------------------

src/com/lxyer/bbs/base/user/UserService.java

@@ -1,6 +1,5 @@
 package com.lxyer.bbs.base.user;
 
-import com.jfinal.kit.Kv;
 import com.lxyer.bbs.base.BaseService;
 import com.lxyer.bbs.base.LxyKit;
 import com.lxyer.bbs.base.RetCodes;
@@ -16,7 +15,6 @@ import org.redkalex.cache.RedisCacheSource;
 
 import javax.annotation.Resource;
 import java.util.ArrayList;
-import java.util.Map;
 import java.util.Objects;
 import java.util.Random;
 
@@ -62,6 +60,7 @@ public class UserService extends BaseService {
     }
     @RestMapping(name = "userid")
     public int currentUserId(String sessionid){
+        if (sessionid == null) return 0;
         Integer userid = sessions.getAndRefresh(sessionid, sessionExpireSeconds);
         return userid == null ? 0 : userid;
     }
@@ -125,6 +124,16 @@ public class UserService extends BaseService {
 
     @RestMapping(name = "update", comment = "用户信息修改")
     public RetResult userUpdate(@RestSessionid String sessionid, @RestParam(name = "bean") User user, String[] columns){
+        String nickname = user.getNickname();
+        if (nickname == null && nickname.isEmpty())
+            return RetCodes.retResult(RET_USER_NICKNAME_ILLEGAL, "昵称无效");
+
+        nickname = nickname.replace(" ", "");
+        User _user = source.find(User.class, FilterNode.create("nickname", nickname));
+        if (_user != null && _user.getUserId() != currentUserId(sessionid))
+            return RetCodes.retResult(RET_USER_NICKNAME_EXISTS, "昵称已存在");
+
+        user.setNickname(nickname);//去除昵称中的空格
         source.updateColumn(user
                 ,FilterNode.create("userId", currentUserId(sessionid))
                 ,SelectColumn.createIncludes(columns)
@@ -154,11 +163,16 @@ public class UserService extends BaseService {
         return infos;
     }
 
-    @RestMapping(name = "stat", auth = false, comment = "用户数据统计")
+    /*@RestMapping(name = "stat", auth = false, comment = "用户数据统计")
     public Map userStat(){
 
         Number count = source.getNumberResult(User.class, FilterFunc.COUNT, "userId", FilterNode.create("status", FilterExpress.NOTEQUAL, -1));
 
         return Kv.by("count", count);
+    }*/
+
+    @RestMapping(name = "usercount", auth = false, comment = "用户数据统计")
+    public Number userCount() {
+        return source.getNumberResult(User.class, FilterFunc.COUNT, "userId", FilterNode.create("status", FilterExpress.NOTEQUAL, -1));
     }
 }

src/com/lxyer/bbs/servlet/IndexServlet.java

@@ -64,7 +64,10 @@ public class IndexServlet extends BaseServlet {
         //最新加入
         Sheet<UserInfo> lastReg = userService.lastReg();
 
-        Kv kv = Kv.by("top", top).set("contents", contents).set("hotReply", hotReply).set("lastReg", lastReg);
+        //用户统计
+        Number userCount = userService.userCount();
+
+        Kv kv = Kv.by("top", top).set("contents", contents).set("hotReply", hotReply).set("lastReg", lastReg).set("userCount", userCount);
         finish("index.html", kv);
     }