La123123.
/
im-backed
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

获取用户状态使用批量指令，减少io开销

master
xsx 2 years ago
parent
3440cbe522
commit
9a2d1a2def
7 changed files with 94 additions and 71 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 14
      im-client/src/main/java/com/bx/imclient/IMClient.java
  2. 29
      im-client/src/main/java/com/bx/imclient/sender/IMSender.java
  3. 11
      im-platform/src/main/java/com/bx/implatform/controller/UserController.java
  4. 2
      im-platform/src/main/java/com/bx/implatform/service/IUserService.java
  5. 48
      im-platform/src/main/java/com/bx/implatform/service/impl/UserServiceImpl.java
  6. 59
      im-ui/src/components/friend/AddFriend.vue
  7. 2
      im-ui/src/view/Home.vue

14
im-client/src/main/java/com/bx/imclient/IMClient.java
View File

@ -6,7 +6,9 @@ import com.bx.imcommon.model.IMPrivateMessage;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
@Configuration
public class IMClient {
@ -23,6 +25,16 @@ public class IMClient {
return imSender.isOnline(userId);
}
/**
* 判断多个用户是否在线
*
* @param userIds 用户id列表
* @return 在线的用户列表
*/
public List<Long> isOnline(List<Long> userIds){
return imSender.isOnline(userIds);
}
/**
* 发送私聊消息（发送结果通过MessageListener接收）
*

29
im-client/src/main/java/com/bx/imclient/sender/IMSender.java
View File

@ -1,5 +1,6 @@
package com.bx.imclient.sender;
import cn.hutool.core.collection.CollectionUtil;
import com.bx.imclient.listener.MessageListenerMulticaster;
import com.bx.imcommon.contant.IMRedisKey;
import com.bx.imcommon.enums.IMCmdType;
@ -13,7 +14,7 @@ import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import java.util.stream.Collectors;
@Service
public class IMSender {
@ -153,4 +154,30 @@ public class IMSender {
String key = String.join(":", IMRedisKey.IM_USER_SERVER_ID, userId.toString(), "*");
return !redisTemplate.keys(key).isEmpty();
}
public List<Long> isOnline(List<Long> userIds){
if(CollectionUtil.isEmpty(userIds)){
return Collections.emptyList();
}
// 把所有用户的key都存起来
Map<String,Long> keyMap = new HashMap<>();
for(Long id:userIds){
for (Integer terminal : IMTerminalType.codes()) {
String key = String.join(":", IMRedisKey.IM_USER_SERVER_ID, id.toString(), terminal.toString());
keyMap.put(key,id);
}
}
// 批量拉取
List<Object> serverIds = redisTemplate.opsForValue().multiGet(keyMap.keySet());
int idx = 0;
List<Long> onlineIds = new LinkedList<>();
for (Map.Entry<String,Long> entry : keyMap.entrySet()) {
// serverid有值表示用户在线
if(serverIds.get(idx++) != null){
onlineIds.add(entry.getValue());
}
}
// 去重并返回
return onlineIds.stream().distinct().collect(Collectors.toList());
}
}

11
im-platform/src/main/java/com/bx/implatform/controller/UserController.java
View File

@ -1,6 +1,5 @@
package com.bx.implatform.controller;
import com.bx.implatform.dto.ModifyPwdDTO;
import com.bx.implatform.entity.User;
import com.bx.implatform.result.Result;
import com.bx.implatform.result.ResultUtils;
@ -60,17 +59,9 @@ public class UserController {
return ResultUtils.success();
}
@GetMapping("/findByNickName")
@ApiOperation(value = "查找用户",notes="根据昵称查找用户")
public Result<List<UserVO>> findByNickName(@NotEmpty(message = "用户昵称不可为空") @RequestParam("nickName") String nickName){
return ResultUtils.success( userService.findUserByNickName(nickName));
}
@GetMapping("/findByName")
@ApiOperation(value = "查找用户",notes="根据用户名或昵称查找用户")
public Result<List<UserVO>> findByName(@NotEmpty(message = "用户名称不可为空") @RequestParam("name") String name){
public Result<List<UserVO>> findByName(@RequestParam("name") String name){
return ResultUtils.success( userService.findUserByName(name));
}
}

2
im-platform/src/main/java/com/bx/implatform/service/IUserService.java
View File

@ -25,8 +25,6 @@ public interface IUserService extends IService<User> {
void update(UserVO vo);
List<UserVO> findUserByNickName(String nickname);
List<UserVO> findUserByName(String name);
List<Long> checkOnline(String userIds);

48
im-platform/src/main/java/com/bx/implatform/service/impl/UserServiceImpl.java
View File

@ -6,8 +6,11 @@ import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.bx.imclient.IMClient;
import com.bx.imcommon.util.JwtUtil;
import com.bx.implatform.config.JwtProperties;
import com.bx.implatform.dto.LoginDTO;
import com.bx.implatform.dto.ModifyPwdDTO;
import com.bx.implatform.dto.RegisterDTO;
import com.bx.implatform.entity.Friend;
import com.bx.implatform.entity.GroupMember;
import com.bx.implatform.entity.User;
@ -20,9 +23,6 @@ import com.bx.implatform.service.IUserService;
import com.bx.implatform.session.SessionContext;
import com.bx.implatform.session.UserSession;
import com.bx.implatform.util.BeanUtils;
import com.bx.imcommon.util.JwtUtil;
import com.bx.implatform.dto.LoginDTO;
import com.bx.implatform.dto.RegisterDTO;
import com.bx.implatform.vo.LoginVO;
import com.bx.implatform.vo.UserVO;
import lombok.extern.slf4j.Slf4j;
@ -32,7 +32,7 @@ import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.LinkedList;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
@ -62,7 +62,7 @@ public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements IU
* 用户登录
*
* @param dto 登录dto
* @return
* @return 登录token
*/
@Override
@ -96,7 +96,7 @@ public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements IU
* 用refreshToken换取新 token
*
* @param refreshToken
* @return
* @return 登录token
*/
@Override
public LoginVO refreshToken(String refreshToken) {
@ -206,24 +206,6 @@ public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements IU
}
/**
* 根据用户昵称查询用户，最多返回20条数据
*
* @param nickname 用户昵称
* @return
*/
@Override
public List<UserVO> findUserByNickName(String nickname) {
LambdaQueryWrapper<User> queryWrapper = Wrappers.lambdaQuery();
queryWrapper.like(User::getNickName,nickname).last("limit 20");
List<User> users = this.list(queryWrapper);
return users.stream().map(u-> {
UserVO vo = BeanUtils.copyProperties(u,UserVO.class);
vo.setOnline(imClient.isOnline(u.getId()));
return vo;
}).collect(Collectors.toList());
}
/**
* 根据用户昵称查询用户，最多返回20条数据
*
@ -238,9 +220,11 @@ public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements IU
.like(User::getNickName,name)
.last("limit 20");
List<User> users = this.list(queryWrapper);
List<Long> userIds = users.stream().map(User::getId).collect(Collectors.toList());
List<Long> onlineUserIds = imClient.isOnline(userIds);
return users.stream().map(u-> {
UserVO vo = BeanUtils.copyProperties(u,UserVO.class);
vo.setOnline(imClient.isOnline(u.getId()));
vo.setOnline(onlineUserIds.contains(u.getId()));
return vo;
}).collect(Collectors.toList());
}
@ -249,19 +233,13 @@ public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements IU
* 判断用户是否在线，返回在线的用户id列表
*
* @param userIds 用户id，多个用‘,’分割
* @return
* @return 在线用户id列表
*/
@Override
public List<Long> checkOnline(String userIds) {
String[] idArr = userIds.split(",");
List<Long> onlineIds = new LinkedList<>();
for(String userId:idArr){
if(imClient.isOnline(Long.parseLong(userId))){
onlineIds.add(Long.parseLong(userId));
}
}
return onlineIds;
List<Long> userIdList = Arrays.stream(userIds.split(","))
.map(Long::parseLong).collect(Collectors.toList());
return imClient.isOnline(userIdList);
}
}

59
im-ui/src/components/friend/AddFriend.vue
View File

@ -1,6 +1,6 @@
<template>
<el-dialog title="添加好友" :visible.sync="dialogVisible" width="30%" :before-close="handleClose">
<el-input placeholder="输入好友昵称,最多展示10条" class="input-with-select" v-model="searchText" @keyup.enter.native="handleSearch()">
<el-input placeholder="输入用户名或昵称,最多展示20条" class="input-with-select" v-model="searchText" @keyup.enter.native="handleSearch()">
<el-button slot="append" icon="el-icon-search" @click="handleSearch()"></el-button>
</el-input>
<el-scrollbar style="height:400px">
@ -10,11 +10,16 @@
<head-image :url="user.headImage"></head-image>
</div>
<div class="add-friend-text">
<div>{{user.nickName}}</div>
<div :class="user.online ? 'online-status online':'online-status'">{{ user.online?"[在线]":"[离线]"}}</div>
<div class="text-user-name">
<div>{{user.userName}}</div>
<div :class="user.online ? 'online-status online':'online-status'">{{ user.online?"[在线]":"[离线]"}}</div>
</div>
<div class="text-nick-name">
<div>昵称:{{user.nickName}}</div>
</div>
</div>
<el-button type="success" v-show="!isFriend(user.id)" plain @click="handleAddFriend(user)">添加</el-button>
<el-button type="info" v-show="isFriend(user.id)" plain disabled>已添加</el-button>
<el-button type="success" size="small" v-show="!isFriend(user.id)" plain @click="handleAddFriend(user)">添加</el-button>
<el-button type="info" size="small" v-show="isFriend(user.id)" plain disabled>已添加</el-button>
</div>
</div>
</el-scrollbar>
@ -45,10 +50,10 @@
},
handleSearch() {
this.$http({
url: "/user/findByNickName",
url: "/user/findByName",
method: "get",
params: {
nickName: this.searchText
name: this.searchText
}
}).then((data) => {
this.users = data;
@ -77,18 +82,16 @@
let friend = friends.find((f)=> f.id==userId);
return friend != undefined;
}
},
mounted() {
this.handleSearch();
}
}
</script>
<style scoped lang="scss">
<style lang="scss">
.el-dialog {
min-width: 400px;
}
.item {
height: 80px;
height: 65px;
display: flex;
position: relative;
padding-left: 15px;
@ -97,21 +100,35 @@
.add-friend-text {
margin-left: 15px;
line-height: 80px;
flex: 3;
display: flex;
flex-direction: row;
height: 100%;
flex-direction: column;
flex-shrink: 0;
overflow: hidden;
.online-status{
font-size: 12px;
.text-user-name{
display: flex;
flex-direction: row;
font-weight: 600;
&.online{
color: #5fb878;
font-size: 16px;
line-height: 25px;
.online-status{
font-size: 12px;
font-weight: 600;
&.online{
color: #5fb878;
}
}
}
.text-nick-name{
display: flex;
flex-direction: row;
font-size: 12px;
line-height: 20px;
}
}
}
</style>

2
im-ui/src/view/Home.vue
View File

@ -27,7 +27,7 @@
<el-menu-item title="设置" @click="showSetting()">
<span class="el-icon-setting"></span>
</el-menu-item>
<el-menu-item title="长得帅的都已经star啦">
<el-menu-item title="小伙子这么帅,点点star吧~">
<a href="https://gitee.com/bluexsx/box-im" target="_blank">
<el-image style="width: 30px; height: 30px" src="https://gitee.com/favicon.ico" fit="fit">
</el-image>

Write Preview
Loading…
Cancel
Save