\n
\u6784\u9020\u4e0e\u6790\u6784\u51fd\u6570<\/h3>\nMySQL()<\/h4>\n\n- \u4f5c\u7528：\u00a0\u521d\u59cb\u5316\u6570\u636e\u5e93\u8fde\u63a5\u5bf9\u8c61，\u8c03\u7528mysql_init(nullptr)\u3002<\/li>\n
- \u529f\u80fd：\u00a0\u4e3a\u8fde\u63a5\u51c6\u5907\u4e00\u4e2a\u7a7a\u7684MYSQL\u5b9e\u4f8b\u3002<\/li>\n<\/ul>\n
~MySQL()<\/h4>\n\n- \u4f5c\u7528：\u00a0\u91ca\u653e\u6570\u636e\u5e93\u8fde\u63a5\u8d44\u6e90\u3002<\/li>\n
- \u8c03\u7528：\u00a0mysql_close(_conn)，\u5173\u95ed\u8fde\u63a5，\u91ca\u653e\u8d44\u6e90\u3002<\/li>\n<\/ul>\n
\n\u6210\u5458\u51fd\u6570（\u516c\u5171\u63a5\u53e3）<\/h3>\nbool connect()<\/h4>\n\n- \u7528\u9014：\u00a0\u5efa\u7acb\u5b9e\u9645\u7684\u6570\u636e\u5e93\u8fde\u63a5\u3002<\/li>\n
- \u5b9e\u73b0\u7ec6\u8282：\n
\n- \u8c03\u7528mysql_real_connect，\u8fde\u63a5\u5230\u914d\u7f6e\u4fe1\u606f\u4e2d\u7684\u6570\u636e\u5e93（server\u3001user\u3001password\u3001dbname\u3001\u7aef\u53e33306）\u3002<\/li>\n
- \u8fde\u63a5\u6210\u529f\u540e，\u8bbe\u7f6e\u5b57\u7b26\u96c6\u4e3agbk（mysql_query(_conn, "set names gbk")）\u3002<\/li>\n
- \u8fde\u63a5\u6210\u529f\u5219\u8f93\u51fa\u65e5\u5fd7\u201cconnect mysql success!\u201d\u3002<\/li>\n
- \u8fde\u63a5\u5931\u8d25\u5219\u8f93\u51fa\u8be6\u7ec6\u7684\u9519\u8bef\u4fe1\u606f，\u5305\u542b\u9519\u8bef\u539f\u56e0\u548c\u8fde\u63a5\u53c2\u6570\u3002<\/li>\n<\/ul>\n<\/li>\n
- \u8fd4\u56de\u503c：\n
\n- true：\u8fde\u63a5\u6210\u529f<\/li>\n
- false：\u8fde\u63a5\u5931\u8d25<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
bool update(string sql)<\/h4>\n\n- \u7528\u9014：\u00a0\u6267\u884cSQL\u66f4\u65b0\u64cd\u4f5c（INSERT\u3001UPDATE\u3001DELETE\u7b49）\u3002<\/li>\n
- \u5b9e\u73b0\u7ec6\u8282：\n
\n- \u8c03\u7528mysql_query(_conn, sql.c_str())\u6267\u884cSQL\u3002<\/li>\n
- \u82e5\u5931\u8d25，\u8f93\u51fa\u9519\u8bef，\u8fd4\u56defalse\u3002<\/li>\n
- \u6210\u529f\u8fd4\u56detrue\u3002<\/li>\n<\/ul>\n<\/li>\n
- \u793a\u4f8b：\u00a0\u63d2\u5165\u65b0\u7528\u6237\u6216\u4fee\u6539\u6570\u636e\u3002<\/li>\n<\/ul>\n
MYSQL_RES *query(string sql)<\/h4>\n\n- \u7528\u9014：\u00a0\u6267\u884cSQL\u67e5\u8be2\u8bed\u53e5（SELECT），\u8fd4\u56de\u7ed3\u679c\u96c6\u3002<\/li>\n
- \u5b9e\u73b0\u7ec6\u8282：\n
\n- \u8c03\u7528mysql_query(_conn, sql.c_str())\u6267\u884c\u67e5\u8be2\u3002<\/li>\n
- \u82e5\u5931\u8d25，\u8f93\u51fa\u9519\u8bef\u4fe1\u606f，\u8fd4\u56denullptr\u3002<\/li>\n
- \u82e5\u6210\u529f，\u8c03\u7528mysql_use_result(_conn)\u83b7\u53d6\u7ed3\u679c\u96c6\u3002<\/li>\n<\/ul>\n<\/li>\n
- \u8fd4\u56de\u503c：\n
\n- MYSQL_RES*：\u7ed3\u679c\u96c6\u6307\u9488，\u8c03\u7528\u8005\u9700\u8d1f\u8d23\u91ca\u653e\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
MYSQL* getConnection()<\/h4>\n\n- \u7528\u9014：\u00a0\u63d0\u4f9b\u5e95\u5c42\u8fde\u63a5\u6307\u9488，\u4fbf\u4e8e\u66f4\u591a\u7684\u4f4e\u7ea7\u64cd\u4f5c\u6216\u8c03\u8bd5\u3002<\/li>\n
- \u8fd4\u56de：\u00a0_conn\u6307\u9488\u3002<\/li>\n<\/ul>\n
\n\u5176\u4ed6\u7ec6\u8282<\/h3>\n\n- \n
\u8fde\u63a5\u4fe1\u606f\u5b58\u50a8：<\/p>\n
\n- server（127.0.0.1）<\/li>\n
- user（root）<\/li>\n
- password（Sf523416&111）<\/li>\n
- dbname（chat）<\/li>\n<\/ul>\n
\u8fd9\u4e9b\u4fe1\u606f\u662f\u9759\u6001\u53d8\u91cf（static string），\u65b9\u4fbf\u5728\u6574\u4e2a\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u3002<\/p>\n<\/li>\n
- \n
\u65e5\u5fd7\u8f93\u51fa：<\/p>\n
\n- \u4f7f\u7528\u00a0muduo\/base\/Logging.h\u00a0\u63d0\u4f9b\u7684\u65e5\u5fd7\u5b8f\u00a0LOG_INFO\u00a0\u548c\u00a0LOG_ERROR，\u65b9\u4fbf\u8c03\u8bd5\u548c\u76d1\u63a7\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\n\u603b\u7ed3<\/h3>\n
\u8fd9\u4e2a\u00a0MySQL\u00a0\u7c7b\u5c01\u88c5\u4e86：<\/p>\n
\n- \u8fde\u63a5\u7ba1\u7406：\u00a0\u5185\u90e8\u7ef4\u62a4\u4e00\u4e2aMYSQL*\u8fde\u63a5\u53e5\u67c4\u3002<\/li>\n
- \u8fde\u63a5\u65b9\u6cd5：\u00a0connect()，\u8fde\u63a5\u6570\u636e\u5e93\u3002<\/li>\n
- \u6570\u636e\u64cd\u4f5c：\n
\n- update()\u00a0\u6267\u884c\u5199\u64cd\u4f5c（\u589e\u5220\u6539）\u3002<\/li>\n
- query()\u00a0\u6267\u884c\u8bfb\u64cd\u4f5c，\u8fd4\u56de\u7ed3\u679c\u96c6\u6307\u9488\u3002<\/li>\n<\/ul>\n<\/li>\n
- \u8d44\u6e90\u7ba1\u7406：\u00a0\u5728\u6790\u6784\u51fd\u6570\u4e2d\u91ca\u653e\u8fde\u63a5\u3002<\/li>\n<\/ul>\n
\u5b83\u4e3a\u4e0a\u5c42\u5e94\u7528\u63d0\u4f9b\u4e86\u7b80\u6d01\u3001\u5c01\u88c5\u7684\u6570\u636e\u5e93\u8bbf\u95ee\u63a5\u53e3，\u5e76\u52a0\u5165\u4e86\u9519\u8bef\u4fe1\u606f\u8f93\u51fa\u548c\u65e5\u5fd7\u8bb0\u5f55，\u975e\u5e38\u9002\u5408\u5728\u5b9e\u9645\u7684C++\u670d\u52a1\u5668\u9879\u76ee\u4e2d\u4f7f\u7528\u3002<\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250729200154-688928b2386cb.png\")
<\/p>\n
2.FriendModel\u7c7b<\/h2>\n
\u8ba9\u6211\u4eec\u4e00\u8d77\u6765\u8be6\u7ec6\u5206\u6790\u8fd9\u4e2aFriendModel\u7c7b，\u5b83\u4e3b\u8981\u8d1f\u8d23\u7ef4\u62a4\u548c\u5904\u7406\u597d\u53cb\u5173\u7cfb\u76f8\u5173\u7684\u64cd\u4f5c\u3002\u8fd9\u4e2a\u7c7b\u5c01\u88c5\u4e86\u64cd\u4f5c\u597d\u53cb\u4fe1\u606f\u7684\u4e24\u4e2a\u6838\u5fc3\u529f\u80fd：\u6dfb\u52a0\u597d\u53cb\u5173\u7cfb\u548c\u67e5\u8be2\u597d\u53cb\u5217\u8868\u3002<\/p>\n
\n\u7c7b\u5b9a\u4e49\u6982\u8ff0<\/h3>\n
#ifndef FRIENDMODEL_H
\n#define FRIENDMODEL_H<\/p>\n
#include "user.hpp"
\n#include <vector>
\nusing namespace std;<\/p>\n
class FriendModel
\n{
\npublic:
\n \/\/ \u6dfb\u52a0\u597d\u53cb\u5173\u7cfb
\n void insert(int userid, int friendid);<\/p>\n
\/\/ \u8fd4\u56de\u7528\u6237\u597d\u53cb\u5217\u8868
\n vector<User> query(int userid);
\n};<\/p>\n
#endif<\/p>\n
\u6210\u5458\u65b9\u6cd5\u6982\u8ff0<\/h4>\n1.\u00a0void insert(int userid, int friendid)<\/h5>\n\n- \u529f\u80fd：\u00a0\u5728\u597d\u53cb\u5173\u7cfb\u8868\u4e2d\u63d2\u5165\u4e00\u6761\u65b0\u7684\u597d\u53cb\u5173\u7cfb\u3002<\/li>\n<\/ul>\n
2.\u00a0vector<User> query(int userid)<\/h5>\n\n- \u529f\u80fd：\u00a0\u67e5\u8be2\u67d0\u4e2a\u7528\u6237\u7684\u6240\u6709\u597d\u53cb，\u8fd4\u56de\u4e00\u4e2aUser\u5bf9\u8c61\u7684\u5411\u91cf（\u597d\u53cb\u5217\u8868）\u3002<\/li>\n<\/ul>\n
\n\u65b9\u6cd5\u8be6\u7ec6\u89e3\u8bfb<\/h3>\n1. \u6dfb\u52a0\u597d\u53cb\u5173\u7cfb：void insert(int userid, int friendid)<\/h4>\n
\u5b9e\u73b0\u903b\u8f91：<\/p>\n
\n- \u6784\u9020SQL\u8bed\u53e5，\u683c\u5f0f\u4e3a：\n
insert into friend values(userid, friendid)<\/p>\n<\/li>\n
- \u521b\u5efaMySQL\u5bf9\u8c61，\u5e76\u8fde\u63a5\u6570\u636e\u5e93\u3002<\/li>\n
- \u5982\u679c\u8fde\u63a5\u6210\u529f，\u6267\u884cupdate()\u65b9\u6cd5\u63d2\u5165\u597d\u53cb\u5173\u7cfb\u3002<\/li>\n<\/ul>\n
\u8bf4\u660e：<\/p>\n
\u8fd9\u4e2a\u64cd\u4f5c\u5047\u8bbefriend\u8868\u6709\u4e24\u5217（\u4f8b\u5982：userid\u00a0\u548c\u00a0friendid），\u4ee3\u8868\u4e00\u5bf9\u597d\u53cb\u5173\u7cfb\u3002<\/p>\n
\n2. \u67e5\u8be2\u597d\u53cb\u5217\u8868：vector<User> query(int userid)<\/h4>\n
\u5b9e\u73b0\u903b\u8f91：<\/p>\n
\n- \n
\u6784\u9020SQL\u8bed\u53e5，\u4f7f\u7528\u5185\u90e8\u8fde\u63a5（inner join），\u67e5\u8be2\u7528\u6237\u7684\u597d\u53cb\u4fe1\u606f：<\/p>\n
select a.id, a.name, a.state
\nfrom user a
\ninner join friend b on b.friendid = a.id
\nwhere b.userid = userid<\/p>\n
\u8fd9\u6761\u8bed\u53e5\u7684\u4f5c\u7528：<\/p>\n
\n- \u4eceuser\u8868\u4e2d\u9009\u51fa\u6240\u6709\u8be5\u7528\u6237\u7684\u597d\u53cb\u4fe1\u606f\u3002<\/li>\n
- \u901a\u8fc7friend\u5173\u7cfb\u8868\u5173\u8054\u7528\u6237ID\u3002<\/li>\n<\/ul>\n<\/li>\n
- \n
\u521b\u5efa\u4e00\u4e2avector<User>\u5b58\u653e\u597d\u53cb\u4fe1\u606f\u3002<\/p>\n<\/li>\n
- \n
\u5efa\u7acb\u6570\u636e\u5e93\u8fde\u63a5，\u6267\u884c\u67e5\u8be2：<\/p>\n
\n- \n
\u82e5\u6210\u529f，\u904d\u5386MYSQL_RES\u7ed3\u679c\u96c6：<\/p>\n
\n- \n
\u5229\u7528mysql_fetch_row()\u8bfb\u53d6\u6bcf\u4e00\u884c\u6570\u636e\u3002<\/p>\n<\/li>\n
- \n
\u521b\u5efa\u4e00\u4e2aUser\u5bf9\u8c61，\u8bbe\u7f6e\u5176\u5b57\u6bb5（id\u3001name\u3001state）\u3002<\/p>\n<\/li>\n
- \n
\u5c06User\u52a0\u5165\u7ed3\u679c\u5411\u91cf\u4e2d\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
- \n
\u91ca\u653eMYSQL_RES\u8d44\u6e90\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
- \n
\u8fd4\u56de\u597d\u53cb\u5217\u8868vector<User>\u3002<\/p>\n<\/li>\n<\/ul>\n
\n\u7c7b\u6210\u5458\u53d8\u91cf<\/h3>\n
\/\/ \u76ee\u524d\u8be5\u7c7b\u6ca1\u6709\u663e\u5f0f\u6210\u5458\u53d8\u91cf，\u53ea\u6709\u6210\u5458\u65b9\u6cd5<\/p>\n
\u5907\u6ce8：<\/p>\n
\n- \u8fd9\u4e2a\u7c7b\u8bbe\u8ba1\u4e2d\u6ca1\u6709\u6301\u4e45\u7684\u6210\u5458\u53d8\u91cf，\u6bcf\u6b21\u64cd\u4f5c\u65f6\u90fd\u65b0\u5efaMySQL\u5bf9\u8c61\u4ee5\u8fde\u63a5\u6570\u636e\u5e93\u3002\u8fd9\u662f\u4e00\u79cd\u7b80\u5355\u5b9e\u73b0，\u9002\u5408\u5173\u7cfb\u4e0d\u9891\u7e41\u53d8\u52a8\u7684\u573a\u666f\u3002<\/li>\n<\/ul>\n
\n\u5176\u4ed6\u7ec6\u8282<\/h3>\n\n- \n
\u6570\u636e\u5e93\u64cd\u4f5c：<\/p>\n
\n- \u63d2\u5165\u5173\u7cfb\u65f6\u8c03\u7528mysql.update(sql)，\u6ca1\u6709\u4e8b\u52a1\u63a7\u5236，\u7b80\u5355\u63d2\u5165\u3002<\/li>\n
- \u67e5\u8be2\u597d\u53cb\u4fe1\u606f\u65f6\u8c03\u7528mysql.query(sql)，\u5904\u7406\u7ed3\u679c\u96c6\u3002<\/li>\n<\/ul>\n<\/li>\n
- \n
\u5b89\u5168\u6027：<\/p>\n
\n- \u4f7f\u7528sprintf\u62fc\u63a5SQL\u8bed\u53e5，\u53ef\u80fd\u5b58\u5728SQL\u6ce8\u5165\u98ce\u9669；\u5b9e\u9645\u5e94\u7528\u4e2d\u5efa\u8bae\u7528\u53c2\u6570\u5316\u67e5\u8be2\u3002<\/li>\n<\/ul>\n<\/li>\n
- \n
\u6027\u80fd：<\/p>\n
\n- \u6bcf\u6b21\u64cd\u4f5c\u90fd\u65b0\u5efa\u6570\u636e\u5e93\u8fde\u63a5，\u4e0d\u590d\u7528\u8fde\u63a5，\u53ef\u80fd\u5f71\u54cd\u6548\u7387\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\n\u603b\u7ed3<\/h3>\n
\u8fd9\u4e2aFriendModel\u7c7b\u63d0\u4f9b\u4e86\u4e24\u4e2a\u4e3b\u8981\u529f\u80fd：<\/p>\n
- \n
\u6dfb\u52a0\u597d\u53cb\u5173\u7cfb：insert()<\/p>\n
\n- \u5c06\u4e24\u7528\u6237\u7684\u597d\u53cb\u5173\u7cfb\u5b58\u5165\u6570\u636e\u5e93\u3002<\/li>\n<\/ul>\n<\/li>\n
- \n
\u67e5\u8be2\u597d\u53cb\u5217\u8868：query()<\/p>\n
\n- \u6839\u636e\u7528\u6237ID，\u67e5\u627e\u6240\u6709\u597d\u53cb\u4fe1\u606f，\u8fd4\u56deUser\u5bf9\u8c61\u7684\u6570\u7ec4（\u597d\u53cb\u5217\u8868）\u3002<\/li>\n<\/ul>\n<\/li>\n
\u8be5\u8bbe\u8ba1\u7ed3\u6784\u7b80\u6d01，\u76f4\u63a5，\u4f46\u5728\u6027\u80fd\u4f18\u5316\u548c\u5b89\u5168\u6027\u65b9\u9762\u53ef\u4ee5\u8fdb\u4e00\u6b65\u589e\u5f3a（\u5982\u8fde\u63a5\u6c60\u3001\u53c2\u6570\u5316\u67e5\u8be2\u7b49）\u3002<\/p>\n
\u540c\u65f6，\u5b83\u4f9d\u8d56\u4e8e\u6570\u636e\u5e93\u8868\u7ed3\u6784（friend\u8868\u548cuser\u8868）\u5408\u7406\u8bbe\u8ba1\u3002<\/p>\n<\/p>\n
3.\u7c7b\u6bd4FriendModel\u7c7b，\u8fd8\u6709usermodel, groupmodel,OfflinMegModel<\/h2>\n
\u8fd9\u662f\u6570\u636e\u64cd\u4f5c\u6a21\u578b\u5c42，\u8d1f\u8d23\u5728\u4e1a\u52a1\u903b\u8f91\u548c\u6570\u636e\u5b58\u50a8\u4e4b\u95f4\u4f20\u9012\u4fe1\u606f\u3002\u5b83\u77e5\u9053\u5982\u4f55\u628a\u4e1a\u52a1\u9700\u6c42（\u5982\u6dfb\u52a0\u597d\u53cb）\u8f6c\u5316\u4e3a\u6570\u636e\u5e93\u64cd\u4f5c，\u4e5f\u61c2\u5f97\u5982\u4f55\u628a\u6570\u636e\u5e93\u67e5\u8be2\u7ed3\u679c\u8f6c\u5316\u4e3a\u4e1a\u52a1\u53ef\u7528\u7684\u5bf9\u8c61\u3002<\/span><\/span><\/p>\n![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250729200154-688928b2490f6.png\")
<\/p>\n
4.group.hpp,groupuser.hpp,user.hpp<\/h2>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250729200154-688928b2527c6.png\")
<\/p>\n
\u00a0\u8ba9\u6211\u4eec\u8be6\u7ec6\u5206\u6790\u8fd9\u4e09\u4e2a\u7c7b（User\u3001GroupUser\u3001Group）\u7684\u8bbe\u8ba1\u4e0e\u4f5c\u7528，\u5b83\u4eec\u90fd\u662f\u5178\u578b\u7684 ORM（\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04）\u7c7b，\u7528\u4e8e\u6620\u5c04\u6570\u636e\u5e93\u4e2d\u7684\u8868\u7ed3\u6784\u5230 C++ \u5bf9\u8c61\u4e2d，\u65b9\u4fbf\u5f00\u53d1\u4e2d\u5bf9\u6570\u636e\u7684\u64cd\u4f5c\u3002<\/p>\n
1.\u00a0User\u00a0\u7c7b（\u7528\u6237\u57fa\u7840\u8868\u7684ORM\u7c7b）<\/h4>\n
class User
\n{
\npublic:
\n User(int id = -1, string name = "", string pwd = "", string state = "offline")
\n {
\n this->id = id;
\n this->name = name;
\n this->password = pwd;
\n this->state = state;
\n }<\/p>\n
void setId(int id) { this->id = id; }
\n void setName(string name) { this->name = name; }
\n void setPwd(string pwd) { this->password = pwd; }
\n void setState(string state) { this->state = state; }<\/p>\n
int getId() { return this->id; }
\n string getName() { return this->name; }
\n string getPwd() { return this->password; }
\n string getState() { return this->state; }<\/p>\n
protected:
\n int id;
\n string name;
\n string password;
\n string state;
\n};<\/p>\n
\u4f5c\u7528\u4e0e\u8bbe\u8ba1：<\/p>\n
\n- \u8868\u793a\u201c\u7528\u6237\u201d\u5b9e\u4f53，\u5c06\u7528\u6237\u8868\u4e2d\u7684\u5b57\u6bb5(id,\u00a0name,\u00a0password,\u00a0state)\u6620\u5c04\u4e3a\u7c7b\u6210\u5458\u3002<\/li>\n
- \u63d0\u4f9b\u4e86\u6784\u9020\u51fd\u6570\u3001getter\u3001setter\u65b9\u6cd5，\u65b9\u4fbf\u64cd\u4f5c\u3002<\/li>\n
- \u5178\u578b\u7684ORM\u7c7b，\u7528\u4e8e\u5728\u7a0b\u5e8f\u4e2d\u5c01\u88c5\u7528\u6237\u4fe1\u606f\u3002<\/li>\n<\/ul>\n
\n2.\u00a0GroupUser\u00a0\u7c7b（\u7fa4\u7ec4\u7528\u6237，\u6269\u5c55\u4e86User，\u6dfb\u52a0\u89d2\u8272\u4fe1\u606f）<\/h4>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
class GroupUser : public User
\n{
\npublic:
\n void setRole(string role) { this->role = role; }
\n string getRole() { return this->role; }<\/p>\n
private:
\n string role; \/\/ \u7528\u6237\u5728\u7fa4\u7ec4\u4e2d\u7684\u89d2\u8272（\u5982\u7ba1\u7406\u5458\u3001\u666e\u901a\u6210\u5458）
\n};<\/p>\n
\u4f5c\u7528\u4e0e\u8bbe\u8ba1：<\/p>\n
\n- \u7ee7\u627f\u81eaUser，\u610f\u5473\u7740\u201c\u7fa4\u7ec4\u5185\u7684\u7528\u6237\u201d\u5177\u6709\u7528\u6237\u7684\u6240\u6709\u57fa\u672c\u5c5e\u6027（\u5982ID\u3001\u7528\u6237\u540d\u3001\u5bc6\u7801\u3001\u72b6\u6001）\u3002<\/li>\n
- \u589e\u52a0role\u5c5e\u6027，\u8868\u793a\u7528\u6237\u5728\u7fa4\u7ec4\u4e2d\u7684\u89d2\u8272\u3002<\/li>\n
- \u8bbe\u8ba1\u7406\u5ff5：\u4e00\u4e2a\u7fa4\u7ec4\u4e2d\u7684\u7528\u6237\u4e0d\u4ec5\u4ec5\u7b97\u4f5c\u666e\u901a\u7528\u6237，\u8fd8\u9700\u533a\u5206\u89d2\u8272，\u56e0\u6b64\u5728\u7fa4\u7ec4\u5173\u7cfb\u4e2d，\u6dfb\u52a0\u4e86\u89d2\u8272\u5b57\u6bb5\u3002<\/li>\n<\/ul>\n
\u603b\u7ed3：<\/p>\n
\n- GroupUser\u662f\u4e00\u4e2a\u201c\u5173\u7cfb\u7c7b\u201d，\u8868\u793a\u67d0\u4e2a\u7528\u6237\u5728\u67d0\u4e2a\u7fa4\u7ec4\u4e2d\u7684\u8eab\u4efd\u4fe1\u606f（\u4e0d\u4ec5\u4ec5\u662f\u7528\u6237，\u8fd8\u5305\u62ec\u89d2\u8272\u5c5e\u6027）\u3002<\/li>\n
- \u8fd9\u6837\u8bbe\u8ba1\u65b9\u4fbf\u5728\u591a\u5bf9\u591a\u5173\u7cfb\u4e2d\u5b58\u50a8\u89d2\u8272\u4fe1\u606f（\u5982\u7528\u6237\u5c5e\u4e8e\u54ea\u4e2a\u7fa4，\u89d2\u8272\u600e\u6837）\u3002<\/li>\n<\/ul>\n
\n3.\u00a0Group\u00a0\u7c7b（\u7fa4\u7ec4\u7c7b）<\/h4>\n
class Group
\n{
\npublic:
\n Group(int id = -1, string name = "", string desc = "")
\n {
\n this->id = id;
\n this->name = name;
\n this->desc = desc;
\n }<\/p>\n
void setId(int id) { this->id = id; }
\n void setName(string name) { this->name = name; }
\n void setDesc(string desc) { this->desc = desc; }<\/p>\n
int getId() { return this->id; }
\n string getName() { return this->name; }
\n string getDesc() { return this->desc; }
\n vector<GroupUser> &getUsers() { return this->users; }<\/p>\n
private:
\n int id; \/\/ \u7fa4\u7ec4ID
\n string name; \/\/ \u7fa4\u7ec4\u540d\u79f0
\n string desc; \/\/ \u7fa4\u7ec4\u63cf\u8ff0
\n vector<GroupUser> users; \/\/ \u5305\u542b\u7684\u6210\u5458\u5217\u8868（\u6bcf\u4e2a\u6210\u5458\u5e26\u89d2\u8272\u4fe1\u606f）
\n};<\/p>\n
\u4f5c\u7528\u4e0e\u8bbe\u8ba1：<\/p>\n
\n- \u8868\u793a\u201c\u7fa4\u7ec4\u201d\u5b9e\u4f53，\u6620\u5c04\u7fa4\u7ec4\u8868\u3002<\/li>\n
- \u542b\u6709ID\u3001\u540d\u79f0\u3001\u63cf\u8ff0\u5b57\u6bb5\u3002<\/li>\n
- users\u00a0\u6210\u5458\u53d8\u91cf\u7528\u6765\u5b58\u50a8\u7fa4\u7ec4\u7684\u6240\u6709\u6210\u5458（GroupUser\u5bf9\u8c61），\u5b9e\u73b0\u591a\u5bf9\u591a\u5173\u7cfb（\u4e00\u4e2a\u7fa4\u7ec4\u6709\u591a\u4e2a\u7528\u6237，\u4e00\u7528\u6237\u53ef\u80fd\u5728\u591a\u4e2a\u7fa4\u7ec4）\u3002<\/li>\n
- \u63d0\u4f9b\u4e86\u57fa\u672c\u7684getter\/setter\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n
\n\u5173\u7cfb\u4e0e\u6574\u4f53\u67b6\u6784\u7406\u89e3<\/h4>\n\n- User：\u4ee3\u8868\u6574\u4e2a\u7cfb\u7edf\u7684\u7528\u6237\u4fe1\u606f，\u6620\u5c04\u7528\u6237\u8868\u3002<\/li>\n
- GroupUser：\u7ee7\u627f\u7528\u6237\u4fe1\u606f，\u5e76\u9644\u52a0\u89d2\u8272\u4fe1\u606f，\u4ee3\u8868\u67d0\u7528\u6237\u5728\u7279\u5b9a\u7fa4\u7ec4\u4e2d\u7684\u89d2\u8272（\u591a\u5bf9\u591a\u5173\u7cfb\u4e2d\u7684\u4e2d\u95f4\u8868\/\u5173\u7cfb\u5b9e\u4f53）\u3002<\/li>\n
- Group：\u4ee3\u8868\u7fa4\u7ec4\u5b9e\u4f53，\u542b\u5176\u6210\u5458（GroupUser\u7684\u96c6\u5408）\u4fe1\u606f\u3002<\/li>\n<\/ul>\n
\u8fd9\u5957\u8bbe\u8ba1\u4f53\u73b0\u4e86\u9762\u5411\u5bf9\u8c61\u65b9\u5f0f\u5bf9\u6570\u636e\u5e93\u5173\u7cfb\u7684\u5c01\u88c5：<\/p>\n
\n- \u901a\u8fc7Group\u7c7b\u7ba1\u7406\u7fa4\u7ec4\u4fe1\u606f\u548c\u6210\u5458\u5217\u8868；<\/li>\n
- \u901a\u8fc7GroupUser\u7c7b\u63cf\u8ff0\u7528\u6237\u548c\u89d2\u8272\u4e4b\u95f4\u7684\u5173\u7cfb；<\/li>\n
- \u901a\u8fc7User\u7c7b\u63cf\u8ff0\u7528\u6237\u57fa\u7840\u4fe1\u606f\u3002<\/li>\n<\/ul>\n
\n\u603b\u7ed3：<\/h4>\n\n- \u8fd9\u4e09\u7c7b\u5171\u540c\u7ec4\u6210\u4e86\u4e00\u4e2a\u4e0e\u201c\u7fa4\u7ec4\u804a\u5929\u201d\u529f\u80fd\u76f8\u5173\u7684\u5bf9\u8c61\u6a21\u578b\u67b6\u6784\u3002<\/li>\n
- \u8bbe\u8ba1\u5145\u5206\u5229\u7528\u7ee7\u627f（GroupUser\u7ee7\u627fUser）\u6765\u590d\u7528\u4ee3\u7801，\u589e\u5f3a\u6269\u5c55\u6027\u3002<\/li>\n
- \u4f7f\u5f97\u7a0b\u5e8f\u80fd\u591f\u4ee5\u5bf9\u8c61\u7684\u65b9\u5f0f\u64cd\u4f5c\u6570\u636e\u5e93\u4e2d\u7684\u7528\u6237\u3001\u7fa4\u7ec4\u4e0e\u6210\u5458\u5173\u7cfb\u3002<\/li>\n<\/ul>\n
5.Redis\u00a0\u7c7b<\/h2>\n
\u8fd9\u4efdredis.hpp\u548credis.cpp\u5b9e\u73b0\u4e86\u4e00\u4e2a\u5c01\u88c5\u4e86Redis\u53d1\u5e03\u8ba2\u9605（Pub\/Sub）\u529f\u80fd\u7684\u7c7b，\u65b9\u4fbf\u5728C++\u9879\u76ee\u4e2d\u4f7f\u7528Redis\u8fdb\u884c\u6d88\u606f\u901a\u4fe1\u3002\u4e0b\u9762\u6211\u4f1a\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e2a\u7c7b\u4e2d\u7684\u6210\u5458\u53d8\u91cf\u548c\u6210\u5458\u51fd\u6570，\u5e2e\u52a9\u4f60\u7406\u89e3\u5b83\u7684\u8bbe\u8ba1\u601d\u60f3\u548c\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n
\nRedis\u00a0\u7c7b\u6210\u5458\u548c\u65b9\u6cd5\u8be6\u89e3<\/h3>\n1.\u00a0\u6210\u5458\u53d8\u91cf<\/h4>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
private:
\n redisContext *_publish_context; \/\/ \u8d1f\u8d23\u53d1\u5e03\u6d88\u606f\u7684\u4e0a\u4e0b\u6587
\n redisContext *_subcribe_context; \/\/ \u8d1f\u8d23\u8ba2\u9605\u6d88\u606f\u7684\u4e0a\u4e0b\u6587
\n function<void(int, string)> _notify_message_handler; \/\/ \u6d88\u606f\u63a5\u6536\u65f6\u7684\u56de\u8c03\u51fd\u6570<\/p>\n
\n- _publish_context：\u7528\u6765\u8fde\u63a5\u548c\u64cd\u4f5cRedis\u7684\u53d1\u5e03(PUBLISH)\u547d\u4ee4，\u7528\u4e8e\u5411\u9891\u9053\u53d1\u9001\u6d88\u606f\u3002<\/li>\n
- _subcribe_context：\u7528\u6765\u8fde\u63a5\u548c\u64cd\u4f5cRedis\u7684\u8ba2\u9605(SUBSCRIBE)\u547d\u4ee4，\u7528\u4e8e\u76d1\u542c\u548c\u63a5\u6536\u9891\u9053\u7684\u6d88\u606f\u3002<\/li>\n
- _notify_message_handler：\u4e1a\u52a1\u5c42\u5b9a\u4e49\u7684\u56de\u8c03\u51fd\u6570，\u7528\u4e8e\u901a\u77e5\u4e1a\u52a1\u5c42\u6536\u5230\u7684\u6d88\u606f\u3002<\/li>\n<\/ul>\n
\n2.\u00a0\u6784\u9020\u51fd\u6570\u548c\u6790\u6784\u51fd\u6570<\/h4>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
Redis(); \/\/ \u6784\u9020\u51fd\u6570，\u521d\u59cb\u5316\u6210\u5458\u6307\u9488\u4e3a\u7a7a
\n~Redis(); \/\/ \u6790\u6784\u51fd\u6570，\u91ca\u653e\u8fde\u63a5<\/p>\n
\n- \u6784\u9020\u51fd\u6570：\u521d\u59cb\u5316\u6307\u9488\u4e3anullptr\u3002<\/li>\n
- \u6790\u6784\u51fd\u6570：\u5982\u679c\u6307\u9488\u4e0d\u4e3a\u7a7a，\u8c03\u7528redisFree()\u91ca\u653e\u8d44\u6e90，\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\u3002<\/li>\n<\/ul>\n
\n3.\u00a0\u6838\u5fc3\u529f\u80fd\u6210\u5458\u65b9\u6cd5<\/h4>\nconnect()<\/h5>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
bool connect();<\/p>\n
\n- \u8fde\u63a5\u672c\u5730Redis\u670d\u52a1\u5668（\u9ed8\u8ba4\u5730\u5740\u4e3a\u00a0127.0.0.1:6379）\u3002<\/li>\n
- \u5206\u522b\u521b\u5efa\u4e24\u4e2a\u8fde\u63a5：\u4e00\u4e2a\u7528\u4e8e\u53d1\u5e03，\u4e00\u4e2a\u7528\u4e8e\u8ba2\u9605\u3002<\/li>\n
- \u8fde\u63a5\u6210\u529f\u540e，\u542f\u52a8\u4e00\u4e2a\u72ec\u7acb\u7ebf\u7a0b\u8c03\u7528observer_channel_message()，\u4e0d\u65ad\u76d1\u542c\u8ba2\u9605\u901a\u9053\u4e2d\u7684\u6d88\u606f，\u5f02\u6b65\u901a\u77e5\u4e1a\u52a1\u5c42\u3002<\/li>\n<\/ul>\n
publish()<\/h5>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
bool publish(int channel, string message);<\/p>\n
\n- \u5411\u6307\u5b9a\u9891\u9053\u53d1\u5e03\u6d88\u606f\u3002<\/li>\n
- \u4f7f\u7528redisCommand()\u6267\u884cPUBLISH\u547d\u4ee4\u3002<\/li>\n
- \u5982\u679c\u6210\u529f，\u8fd4\u56detrue，\u5426\u5219\u8fd4\u56defalse\u3002<\/li>\n<\/ul>\n
subscribe()<\/h5>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
bool subscribe(int channel);<\/p>\n
\n- \u8ba2\u9605\u6307\u5b9a\u9891\u9053\u3002<\/li>\n
- \u4f7f\u7528redisAppendCommand()\u548credisBufferWrite()\u5411Redis\u670d\u52a1\u5668\u53d1\u51faSUBSCRIBE\u547d\u4ee4\u3002<\/li>\n
- \u6ce8\u610f：\u8ba2\u9605\u64cd\u4f5c\u662f\u975e\u963b\u585e\u7684，\u53ea\u662f\u53d1\u51fa\u8ba2\u9605\u547d\u4ee4，\u63a5\u6536\u6d88\u606f\u7531\u540e\u53f0\u7ebf\u7a0b\u76d1\u542c\u3002<\/li>\n<\/ul>\n
unsubscribe()<\/h5>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
bool unsubscribe(int channel);<\/p>\n
\n- \u53d6\u6d88\u8ba2\u9605\u67d0\u4e2a\u9891\u9053\u3002<\/li>\n
- \u4f7f\u7528\u7c7b\u4f3csubscribe()\u7684\u65b9\u5f0f\u53d1\u51faUNSUBSCRIBE\u547d\u4ee4\u3002<\/li>\n<\/ul>\n
observer_channel_message()<\/h5>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
void observer_channel_message();<\/p>\n
\n- \u8fd0\u884c\u5728\u540e\u53f0\u7ebf\u7a0b\u4e2d，\u6301\u7eed\u8c03\u7528redisGetReply()\u63a5\u6536Redis\u670d\u52a1\u5668\u63a8\u9001\u7684\u6d88\u606f\u3002<\/li>\n
- \u89e3\u6790\u6536\u5230\u7684\u6d88\u606f\u6570\u7ec4（reply->element）：\n
\n- reply->element[2]->str：\u6d88\u606f\u5185\u5bb9<\/li>\n
- reply->element[1]->str：\u9891\u9053\u7f16\u53f7<\/li>\n<\/ul>\n<\/li>\n
- \u8c03\u7528_notify_message_handler()\u901a\u77e5\u4e1a\u52a1\u5c42\u6536\u5230\u65b0\u6d88\u606f\u3002<\/li>\n<\/ul>\n
init_notify_handler()<\/h5>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
void init_notify_handler(function<void(int, string)> fn);<\/p>\n
\n- \u521d\u59cb\u5316\u6d88\u606f\u901a\u77e5\u7684\u56de\u8c03\u51fd\u6570\u3002<\/li>\n
- \u7528\u6237\u5728\u4e1a\u52a1\u5c42\u5b9a\u4e49\u5904\u7406\u903b\u8f91\u540e，\u8c03\u7528\u6b64\u51fd\u6570\u6ce8\u518c\u3002<\/li>\n<\/ul>\n
\n\u5176\u4ed6\u7ec6\u8282\u8bf4\u660e<\/h3>\n\n- \u8fde\u63a5\u7ba1\u7406：\u5728connect()\u4e2d\u521b\u5efa\u4e24\u4e2aredisContext，\u65b9\u4fbf\u5206\u522b\u5904\u7406\u53d1\u5e03\u548c\u8ba2\u9605\u7684\u8fde\u63a5，\u907f\u514d\u7ade\u4e89\u548c\u963b\u585e\u3002<\/li>\n
- \u591a\u7ebf\u7a0b：\n
\n- \u8ba2\u9605\u6d88\u606f\u7684\u76d1\u542c\u5728observer_channel_message()\u4e2d\u8fd0\u884c\u5728\u5355\u72ec\u7684\u7ebf\u7a0b，\u4fdd\u8bc1\u5f02\u6b65\u5904\u7406\u3002<\/li>\n<\/ul>\n<\/li>\n
- \u5185\u5b58\u7ba1\u7406：\n
\n- \u4f7f\u7528freeReplyObject()\u91ca\u653eredisReply\u8d44\u6e90\u3002<\/li>\n<\/ul>\n<\/li>\n
- \u547d\u4ee4\u6267\u884c：\n
\n- \u53d1\u5e03：redisCommand()<\/li>\n
- \u8ba2\u9605\/\u53d6\u6d88\u8ba2\u9605：redisAppendCommand()\u00a0+\u00a0redisBufferWrite()，\u907f\u514d\u963b\u585e\u8c03\u7528\u3002<\/li>\n<\/ul>\n<\/li>\n
- \u9519\u8bef\u5904\u7406：\n
\n- \u8fde\u63a5\u5931\u8d25\u548c\u547d\u4ee4\u5931\u8d25\u90fd\u8f93\u51fa\u9519\u8bef\u4fe1\u606f，\u8fd4\u56defalse\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\n\u603b\u7ed3：<\/h3>\n
\u8fd9\u4e2aRedis\u7c7b\u5c01\u88c5\u4e86Redis\u7684Pub\/Sub\u57fa\u672c\u64cd\u4f5c：<\/p>\n
\n- \u8fde\u63a5：connect()<\/li>\n
- \u53d1\u5e03\u6d88\u606f：publish()<\/li>\n
- \u8ba2\u9605\u9891\u9053：subscribe()<\/li>\n
- \u53d6\u6d88\u8ba2\u9605：unsubscribe()<\/li>\n
- \u5f02\u6b65\u76d1\u542c\u6d88\u606f：\u5728\u540e\u53f0\u7ebf\u7a0b\u4e2d\u81ea\u52a8\u8c03\u7528observer_channel_message()，\u6536\u5230\u6d88\u606f\u540e\u901a\u8fc7\u56de\u8c03\u901a\u77e5\u4e1a\u52a1\u903b\u8f91\u3002<\/li>\n
- \u56de\u8c03\u673a\u5236：\u7528\u6237\u53ef\u4ee5\u6ce8\u518c\u81ea\u5df1\u7684\u6d88\u606f\u5904\u7406\u51fd\u6570\u3002<\/li>\n<\/ul>\n
\u5b83\u5b9e\u73b0\u4e86\u5f02\u6b65\u8ba2\u9605\u6a21\u578b，\u80fd\u5f88\u597d\u5730\u5e94\u7528\u5728\u7c7b\u4f3c\u804a\u5929\u670d\u52a1\u5668\u3001\u5b9e\u65f6\u901a\u77e5\u7b49\u573a\u666f，\u975e\u5e38\u5b9e\u7528\u3002<\/p>\n
6.ChatServer\u7c7b<\/h2>\n
\u4f60\u7684\u4ee3\u7801\u57fa\u4e8e\u77e5\u540d\u7684\u00a0Muduo\u00a0\u7f51\u7edc\u5e93，\u5b9e\u73b0\u4e86\u4e00\u4e2a\u9ad8\u6548\u3001\u6613\u7ef4\u62a4\u7684\u804a\u5929\u670d\u52a1\u5668\u4e3b\u63a7\u7c7b\u3002\u4e0b\u9762\u6309\u7167\u7ed3\u6784\u2013\u6210\u5458\u53d8\u91cf\u2013\u6210\u5458\u65b9\u6cd5\u8be6\u7ec6\u5206\u6790：<\/p>\n
\n\u4e00\u3001ChatServer \u7c7b\u7684\u7ed3\u6784\u4f5c\u7528<\/h3>\n
ChatServer \u5c01\u88c5\u4e86\u5b9e\u9645\u7684\u7f51\u7edc\u670d\u52a1\u5668\u903b\u8f91，\u8d1f\u8d23：<\/p>\n
\n- \u521d\u59cb\u5316\u670d\u52a1\u5668\u3001\u8bbe\u7f6e\u53c2\u6570<\/li>\n
- \u76d1\u542c\u548c\u7ba1\u7406\u5ba2\u6237\u7aef\u8fde\u63a5<\/li>\n
- \u7ba1\u7406\u6d88\u606f\u6536\u53d1\u548c\u4e1a\u52a1\u5904\u7406<\/li>\n
- \u8c03\u5ea6\u4e8b\u4ef6\u5faa\u73af（\u4e8b\u4ef6\u9a71\u52a8）<\/li>\n<\/ul>\n
\n\u4e8c\u3001\u6210\u5458\u53d8\u91cf\u8bb2\u89e3<\/h3>\n
private:
\n TcpServer _server; \/\/ \u7ec4\u5408muduo\u5e93，\u5b9e\u73b0\u670d\u52a1\u5668\u529f\u80fd\u7684\u7c7b\u5bf9\u8c61
\n EventLoop *_loop; \/\/ \u6307\u5411\u4e8b\u4ef6\u5faa\u73af\u5bf9\u8c61（\u76f8\u5f53\u4e8e\u4e3b\u7ebf\u7a0b\u7684\u4e8b\u4ef6\u5206\u53d1\u5668）<\/p>\n
1.\u00a0TcpServer _server<\/h4>\n\n- Muduo \u4e2d\u5c01\u88c5\u7684 TCP \u670d\u52a1\u5668\u6838\u5fc3\u7c7b\u3002<\/li>\n
- \u80fd\u81ea\u52a8\u76d1\u542c\u7aef\u53e3，\u8d1f\u8d23\u5e95\u5c42 epoll\u3001\u591a\u7ebf\u7a0b I\/O\u3001\u8fde\u63a5\u7ba1\u7406\u7b49\u201c\u82e6\u529b\u6d3b\u201d\u3002<\/li>\n
- ChatServer \u901a\u8fc7\u5b83\u5b9e\u73b0\u4e0e\u5ba2\u6237\u7aef\u7684\u6240\u6709\u7f51\u7edc\u4ea4\u4e92\u3002<\/li>\n<\/ul>\n
2.\u00a0EventLoop *_loop<\/h4>\n\n- \u4e8b\u4ef6\u5faa\u73af\u6307\u9488\u3002<\/li>\n
- \u5b9e\u9645\u4e0a\u662f\u4e3b Reactor \u7684\u4e8b\u4ef6\u5206\u53d1\u5668，\u7528\u4e8e\u54cd\u5e94 I\/O \u4e8b\u4ef6\u3002<\/li>\n<\/ul>\n
\n\u4e09\u3001\u6210\u5458\u65b9\u6cd5\u8be6\u89e3<\/h3>\n\u6784\u9020\u51fd\u6570：ChatServer(EventLoop*, const InetAddress&, const string&)<\/h4>\n
ChatServer(EventLoop *loop, const InetAddress &listenAddr, const string &nameArg)
\n : _server(loop, listenAddr, nameArg), _loop(loop)
\n{
\n \/\/ \u6ce8\u518c\u94fe\u63a5\u56de\u8c03
\n _server.setConnectionCallback(std::bind(&ChatServer::onConnection, this, _1));
\n \/\/ \u6ce8\u518c\u6d88\u606f\u56de\u8c03
\n _server.setMessageCallback(std::bind(&ChatServer::onMessage, this, _1, _2, _3));
\n \/\/ \u8bbe\u7f6e\u7ebf\u7a0b\u6570\u91cf
\n _server.setThreadNum(4);
\n}<\/p>\n
\u4f5c\u7528\u603b\u7ed3\u4e0e\u7ec6\u8282\u5206\u6790：<\/p>\n
\n- \u521d\u59cb\u5316\u00a0_server，\u544a\u8bc9 muduo \u7528\u54ea\u53f0\u4e3b\u673a IP\/\u7aef\u53e3\u76d1\u542c（listenAddr）\u3001\u53d6\u4ec0\u4e48\u540d\u5b57（nameArg）\u3001\u7528\u54ea\u4e2a event loop\u3002<\/li>\n
- setConnectionCallback()：\u7ed1\u5b9a"\u6709\u65b0\u8fde\u63a5\/\u65ad\u5f00"\u65f6\u6267\u884c\u00a0onConnection\u00a0\u65b9\u6cd5\u3002<\/li>\n
- setMessageCallback()：\u7ed1\u5b9a"\u6536\u5230\u6d88\u606f"\u65f6\u6267\u884c\u00a0onMessage\u00a0\u65b9\u6cd5\u3002<\/li>\n
- setThreadNum(4)：\u7528 4 \u4e2a\u5de5\u4f5c\u7ebf\u7a0b\u5904\u7406 I\/O，\u63d0\u5347\u541e\u5410\u91cf\u3002<\/li>\n<\/ul>\n
\nvoid start()<\/h4>\n
void ChatServer::start()
\n{
\n _server.start();
\n}<\/p>\n
\n- \u771f\u6b63\u5730\u542f\u52a8\u670d\u52a1\u5668（\u8ba9 Muduo \u5f00\u59cb\u76d1\u542c\u5e76\u63a5\u6536\u5ba2\u6237\u7aef\u8fde\u63a5）\u3002<\/li>\n<\/ul>\n
\nvoid onConnection(const TcpConnectionPtr&)<\/h4>\n
void ChatServer::onConnection(const TcpConnectionPtr &conn)
\n{
\n \/\/ \u5ba2\u6237\u7aef\u65ad\u5f00\u94fe\u63a5
\n if (!conn->connected())
\n {
\n ChatService::instance()->clientCloseException(conn);
\n conn->shutdown();
\n }
\n}<\/p>\n
\u6838\u5fc3\u4f5c\u7528：<\/p>\n
\n- \u8fd9\u662f\u8fde\u63a5\u72b6\u6001\u53d8\u5316\u65f6\u7684\u56de\u8c03（\u65b0\u8fde\u63a5\u6216\u65ad\u5f00）\u3002<\/li>\n
- \u5982\u679c\u8fde\u63a5\u65ad\u5f00，\u5219\u505a\u4ee5\u4e0b\u5904\u7406：\n
\n- \u901a\u77e5\u4e1a\u52a1\u670d\u52a1\u5c42\u8fdb\u884c\u8d26\u53f7\u3001\u6570\u636e\u7b49\u201c\u4e0b\u7ebf\u201d\u5904\u7406（clientCloseException）\u3002<\/li>\n
- \u4e3b\u52a8\u5173\u95ed socket（conn->shutdown()）\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\nvoid onMessage(const TcpConnectionPtr&, Buffer *, Timestamp)<\/h4>\n
void ChatServer::onMessage(const TcpConnectionPtr &conn, Buffer *buffer, Timestamp time)
\n{
\n string buf = buffer->retrieveAllAsString();
\n try {
\n json js = json::parse(buf);
\n \/\/ \u68c0\u67e5\u5fc5\u987b\u5b57\u6bb5
\n if (!js.contains("msgid")) {
\n throw json::exception("Missing 'msgid' field");
\n }
\n auto msgHandler = ChatService::instance()->getHandler(js["msgid"].get<int>());
\n msgHandler(conn, js, time);
\n }
\n catch (const json::exception& e) {
\n LOG_ERROR << "JSON parse error: " << e.what();
\n if (conn->connected()) {
\n json response;
\n response["msgid"] = INVALID_MSG_ACK;
\n response["errno"] = 400;
\n response["errmsg"] = "Invalid JSON format: " + string(e.what());
\n conn->send(response.dump());
\n }
\n }
\n catch (const exception& e) {
\n LOG_ERROR << "Message handling error: " << e.what();
\n }
\n}<\/p>\n
\u8be6\u7ec6\u6d41\u7a0b：<\/p>\n
- \u62ff\u5230\u5b8c\u6574\u7f13\u51b2\u533a\u6570\u636e（\u6536\u5230\u7684\u4e00\u6b21\u6d88\u606f）\u3002<\/li>\n
- \u5c1d\u8bd5\u89e3\u6790\u4e3a JSON \u5bf9\u8c61\u3002<\/li>\n
- \u68c0\u67e5\u662f\u5426\u6709"msgid"\u5b57\u6bb5（\u51b3\u5b9a\u4e86\u672c\u6d88\u606f\u5e94\u8be5\u600e\u4e48\u5904\u7406）\u3002<\/li>\n
- \u8c03\u7528 ChatService::instance()->getHandler(msgid) \u627e\u5230\u5bf9\u5e94\u4e1a\u52a1\u5904\u7406\u51fd\u6570，\u7136\u540e\u628a\u6d88\u606f\u4f20\u7ed9\u5b83\u6267\u884c\u3002<\/li>\n
- \u5982\u679c\u89e3\u6790\u5931\u8d25\/\u6d88\u606f\u7ed3\u6784\u6709\u8bef，\u5219：\n
\n- \u6253\u65e5\u5fd7\u62a5\u9519<\/li>\n
- \u7ed9\u5ba2\u6237\u7aef\u8fd4\u56de\u9519\u8bef\u63d0\u793a<\/li>\n<\/ul>\n<\/li>\n
\u4f5c\u7528\u901a\u4fd7\u7406\u89e3：<\/p>\n
\u201c\u670d\u52a1\u5668\u6536\u5230\u5ba2\u6237\u53d1\u6765\u7684\u6d88\u606f，\u628a\u8fd9\u6d88\u606f\u5f53\u6210\u5feb\u9012\u5305\u88f9\u62c6\u5f00\u770b\u2014\u2014\u5feb\u9012\u5355\u4e0a\u5199\u7740\u5305\u88f9\u7c7b\u578b（msgid），\u7136\u540e\u6839\u636e\u7c7b\u578b\u5206\u7ed9\u5bf9\u5e94\u5458\u5de5（handler）\u5904\u7406\u3002\u62c6\u5feb\u9012\u51fa\u9519\u5c31\u5199\u4e2a\u53cd\u9988\u5355\u8fd8\u56de\u53bb\u3002\u201d<\/p>\n
\n\u56db\u3001\u8865\u5145\u8bf4\u660e<\/h3>\n\u6210\u5458\u65b9\u6cd5\u4e4b\u95f4\u7684\u5173\u7cfb<\/h4>\n\n- start\u00a0\u7528\u4e8e\u542f\u52a8\u670d\u52a1\u5668\u3002<\/li>\n
- onConnection\/onMessage\u00a0\u5e76\u4e0d\u662f\u4e3b\u52a8\u8c03\u7528，\u800c\u662f\u4e8b\u4ef6\u9a71\u52a8，\u5728\u6709\u8fde\u63a5\/\u6d88\u606f\u65f6\u88ab Muduo \u6846\u67b6\u81ea\u52a8\u8c03\u7528\u3002<\/li>\n
- \u4e8b\u4ef6\u54cd\u5e94\u673a\u5236\u548creactor\u601d\u60f3\u4e00\u81f4\u3002<\/li>\n<\/ul>\n
\u548c ChatService \u7684\u534f\u4f5c<\/h4>\n
ChatServer \u53ea\u7ba1\u7f51\u7edc\u90e8\u5206，\u5177\u4f53\u4e1a\u52a1\u5982\u4f55\u5904\u7406\u4ea4\u7531 ChatService，\u201c\u4e13\u4eba\u4e13\u804c\u201d，\u5927\u5927\u964d\u4f4e\u8026\u5408\u3002<\/p>\n
\n\u4e94\u3001\u603b\u7ed3<\/h3>\n
ChatServer \u6838\u5fc3\u6210\u5458&\u65b9\u6cd5\u6982\u89c8：<\/p>\n
\n\u540d\u79f0\u7b80\u8981\u4f5c\u7528<\/tr>\n \n\n_server<\/td>\n Muduo \u7684 TCP \u670d\u52a1\u5668，\u8d1f\u8d23\u76d1\u542c\u548c\u901a\u4fe1\u3002<\/td>\n<\/tr>\n \n_loop<\/td>\n \u540d\u5b57\u53ebevent loop，\u4e8b\u4ef6\u6d3e\u53d1\u4e2d\u5fc3\u3002<\/td>\n<\/tr>\n \nstart()<\/td>\n \u542f\u52a8\u670d\u52a1\u5668\u3002<\/td>\n<\/tr>\n \nonConnection()<\/td>\n \u68c0\u6d4b\u8fde\u63a5\/\u65ad\u5f00，\u5e76\u5728\u65ad\u5f00\u65f6\u4ea4\u7ed9\u4e1a\u52a1\u8fdb\u4e00\u6b65\u4e0b\u7ebf\u5904\u7406\u3002<\/td>\n<\/tr>\n \nonMessage()<\/td>\n \u6536\u5230\u5ba2\u6237\u7aef\u6570\u636e\u65f6\u89e3\u6790json，\u6839\u636e\u4e1a\u52a1\u7c7b\u578b\u5206\u53d1\u7ed9\u5177\u4f53handler\u5904\u7406；\u51fa\u95ee\u9898\u81ea\u52a8\u56de\u9519\u3002<\/td>\n<\/tr>\n \n\u6784\u9020\u51fd\u6570<\/td>\n \u521d\u59cb\u5316\u670d\u52a1\u5668\u53c2\u6570\u5e76\u6ce8\u518c\u5404\u56de\u8c03，\u6bcf\u4e00\u6b65\u90fd\u8ba9ChatServer\u505a\u6700\u64c5\u957f\u7684\u4e8b\u60c5\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\u8fd9\u6837，\u4e0d\u4ec5\u4ee3\u7801\u7ed3\u6784\u6e05\u6670，\u800c\u4e14\u4fbf\u4e8e\u6269\u5c55\u548c\u7ef4\u62a4，\u662f\u9ad8\u6027\u80fd\u7f51\u7edc\u670d\u52a1\u63a8\u8350\u7684\u6a21\u5f0f！<\/p>\n
<\/h2>\n7.chatservice\u7c7b<\/h2>\n
\u4f1a\u628a\u8fd9\u4e2aChatService\u7c7b\u4e2d\u7684\u6240\u6709\u6210\u5458\u53d8\u91cf\u548c\u65b9\u6cd5，\u9010\u4e2a\u8be6\u7ec6\u8bb2\u89e3，\u786e\u4fdd\u4f60\u7406\u89e3\u6bcf\u4e2a\u90e8\u5206\u7684\u4f5c\u7528\u3001\u8bbe\u8ba1\u601d\u60f3\u4ee5\u53ca\u5b83\u4eec\u7684\u5de5\u4f5c\u6d41\u7a0b，\u800c\u4e14\u4f1a\u5c3d\u529b\u7528\u901a\u4fd7\u6613\u61c2\u7684\u8bed\u8a00，\u8ba9\u4f60\u50cf\u542c\u6545\u4e8b\u4e00\u6837\u7406\u89e3\u8fd9\u4e2a\u201c\u804a\u5929\u670d\u52a1\u201d\u7cfb\u7edf\u3002<\/p>\n
\n\u4e00\u3001\u7c7b\u7684\u6574\u4f53\u67b6\u6784\u548c\u89d2\u8272\u5b9a\u4f4d<\/h3>\n
ChatService\u662f\u4e00\u4e2a\u201c\u804a\u5929\u670d\u52a1\u5668\u201d\u7684\u6838\u5fc3\u4e1a\u52a1\u7c7b（\u7ba1\u7406\u8005）\u3002\u5b83\u91c7\u7528\u5355\u4f8b\u6a21\u5f0f（\u786e\u4fdd\u6574\u4e2a\u7a0b\u5e8f\u4e2d\u53ea\u5b58\u5728\u552f\u4e00\u7684\u5b9e\u4f8b），\u8d1f\u8d23\u5904\u7406\u6240\u6709\u7684\u201c\u7528\u6237\u767b\u5f55\u3001\u6ce8\u518c\u3001\u70b9\u5bf9\u70b9\u804a\u5929\u3001\u7fa4\u804a\u3001\u597d\u53cb\u5173\u7cfb\u3001\u7fa4\u7ec4\u64cd\u4f5c\u201d\u7b49\u4e1a\u52a1\u903b\u8f91\u3002<\/p>\n
\n\u4e8c\u3001\u6210\u5458\u53d8\u91cf（\u8fd9\u4e2a\u7c7b\u5185\u90e8\u5b58\u7684\u201c\u5b58\u50a8\u7a7a\u95f4\u201d\u548c\u201c\u5de5\u5177\u7bb1\u201d）<\/h3>\n1.\u00a0\u5355\u4f8b\u5b9e\u4f8b<\/h4>\n
static ChatService *instance();<\/p>\n
\n- \u4f5c\u7528：\u63d0\u4f9b\u8c03\u7528\u7684\u5165\u53e3，\u7528\u4e8e\u83b7\u53d6\u6216\u521b\u5efa\u552f\u4e00\u7684ChatService\u5b9e\u4f8b（\u5373\u5355\u4f8b\u8bbe\u8ba1\u6a21\u5f0f）\u3002<\/li>\n
- \u901a\u4fd7\u7406\u89e3：\u5c31\u50cf\u8d85\u5e02\u53ea\u6709\u4e00\u4e2a\u201c\u7ba1\u7406\u5458\u201d\u5b9e\u4f8b，\u8fd9\u4e2a\u65b9\u6cd5\u5e2e\u4f60\u62ff\u5230\u5b83\u3002<\/li>\n<\/ul>\n
\n2.\u00a0\u6d88\u606f\u5904\u7406\u6620\u5c04\u8868<\/h4>\n
unordered_map<int, MsgHandler> _msgHandlerMap;<\/p>\n
\n- \u4f5c\u7528：\u628a\u4e0d\u540c\u201c\u6d88\u606fID\u201d\u6620\u5c04\u5230\u5bf9\u5e94\u201c\u5904\u7406\u51fd\u6570\u201d\u3002<\/li>\n
- \u6bd4\u5982：\u767b\u5f55\u5bf9\u5e94login()\u51fd\u6570，\u6ce8\u518c\u5bf9\u5e94reg()\u51fd\u6570\u3002<\/li>\n
- \u901a\u4fd7\u7406\u89e3：\u5c31\u50cf\u83dc\u5355\u70b9\u83dc\u8868，\u70b9\u201c\u725b\u6392\u201d\u5c31\u77e5\u9053\u8981\u505a\u725b\u6392\u4e00\u6837\u3002<\/li>\n<\/ul>\n
\n3.\u00a0\u5728\u7ebf\u7528\u6237\u8fde\u63a5\u8868<\/h4>\n
unordered_map<int, TcpConnectionPtr> _userConnMap;<\/p>\n
\n- \u4f5c\u7528：\u5b58\u653e\u5df2\u767b\u5f55\u3001\u5728\u7ebf\u7528\u6237\u7684\u201c\u7528\u6237ID\u201d\u548c\u201c\u5bf9\u5e94\u7684TCP\u8fde\u63a5\u6307\u9488\u201d\u3002<\/li>\n
- \u7528\u9014：\u5f53\u9700\u8981\u5411\u67d0\u7528\u6237\u53d1\u6d88\u606f\u65f6，\u5148\u627e\u8fd9\u4e2a\u8868\u770b\u7528\u6237\u662f\u5426\u5728\u7ebf，\u5728\u7ebf\u4e86\u5c31\u53ef\u4ee5\u76f4\u63a5\u63a8\u9001\u6d88\u606f\u3002<\/li>\n
- \u901a\u4fd7\u7406\u89e3：\u50cf\u201c\u7535\u8bdd\u7c3f\u201d，\u5b58\u7740\u6bcf\u4e2a\u8c01\u5728\u7ebf\u3001\u7528\u54ea\u4e2a\u7535\u8bdd（\u8fde\u63a5）\u3002<\/li>\n<\/ul>\n
4.\u00a0\u8fde\u63a5\u4e92\u65a5\u9501<\/h4>\n
mutex _connMutex;<\/p>\n
\n- \u4f5c\u7528：\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e0b，\u4fdd\u8bc1\u5bf9_userConnMap\u7684\u64cd\u4f5c（\u589e\u5220\u6539\u67e5）\u662f\u5b89\u5168\u7684\u3002<\/li>\n
- \u4e3a\u4f55\u9700\u8981：\u56e0\u4e3a\u53ef\u80fd\u6709\u591a\u4e2a\u8fde\u63a5\u540c\u65f6\u64cd\u4f5c\u8fd9\u4e2a\u8868，\u6bd4\u5982\u4e00\u4e2a\u7528\u6237\u521a\u767b\u5f55\u3001\u767b\u51fa，\u6216\u670d\u52a1\u5668\u5728\u540c\u65f6\u5904\u7406\u591a\u4e2a\u8bf7\u6c42\u3002<\/li>\n<\/ul>\n
\n5.\u00a0\u6570\u636e\u6a21\u578b\u5bf9\u8c61（\u64cd\u4f5c\u6570\u636e\u5e93）<\/h4>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
UserModel _userModel;
\nOfflineMsgModel _offlineMsgModel;
\nFriendModel _friendModel;
\nGroupModel _groupModel;<\/p>\n
\n- \u4f5c\u7528：\u5c01\u88c5\u4e86\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u5c01\u88c5\u7c7b（\u64cd\u4f5c\u7528\u6237\u4fe1\u606f，\u79bb\u7ebf\u6d88\u606f，\u597d\u53cb\u5173\u7cfb，\u7fa4\u7ec4\u4fe1\u606f）\u3002<\/li>\n
- \u4f8b\u5b50：\n
\n- _userModel：\u67e5\u8be2\u6216\u66f4\u65b0\u7528\u6237\u4fe1\u606f\u3002<\/li>\n
- _offlineMsgModel：\u5b58\u50a8\u6216\u8bfb\u53d6\u79bb\u7ebf\u6d88\u606f\u3002<\/li>\n
- _friendModel：\u7ba1\u7406\u597d\u53cb\u5173\u7cfb（\u6dfb\u52a0\u597d\u53cb\u7b49）\u3002<\/li>\n
- _groupModel：\u7ba1\u7406\u7fa4\u804a\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
6.\u00a0Redis\u64cd\u4f5c\u5bf9\u8c61<\/h4>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
Redis _redis;<\/p>\n
\n- \u4f5c\u7528：\u5c01\u88c5\u4e86\u4e0eRedis（\u4e00\u4e2a\u9ad8\u901f\u7684\u6570\u636e\u5e93\u548c\u6d88\u606f\u961f\u5217\u7cfb\u7edf）\u7684\u4ea4\u4e92，\u7528\u4e8e\u5b9e\u73b0\u201c\u8de8\u8fdb\u7a0b\u201d\u3001\u201c\u591a\u670d\u52a1\u5668\u201d\u7684\u6d88\u606f\u63a8\u9001\u548c\u8ba2\u9605\u3002<\/li>\n<\/ul>\n
\n\u4e09\u3001\u4e3b\u8981\u65b9\u6cd5（\u4e1a\u52a1\u903b\u8f91\u6267\u884c\u7684\u201c\u6280\u80fd\u201d）<\/h3>\n1.\u00a0\u83b7\u53d6\u5355\u4f8b\u5b9e\u4f8b<\/h4>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
static ChatService *instance();<\/p>\n
\n- \u4f5c\u7528：\u8fd4\u56de\u5168\u5c40\u552f\u4e00\u7684ChatService\u5bf9\u8c61，\u786e\u4fdd\u7a0b\u5e8f\u4e2d\u53ea\u6709\u4e00\u4e2a\u201c\u804a\u5929\u670d\u52a1\u201d\u3002<\/li>\n
- \u5b9e\u73b0：\u7528\u201c\u9759\u6001\u5c40\u90e8\u53d8\u91cf\u201d，\u4fdd\u8bc1\u53ea\u521b\u5efa\u4e00\u6b21\u3002<\/li>\n<\/ul>\n
\n2.\u00a0\u6784\u9020\u51fd\u6570（\u6ce8\u518c\u6d88\u606f-handler）<\/h4>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
ChatService::ChatService()<\/p>\n
\n- \u4f5c\u7528：\n
\n- \u521d\u59cb\u5316\u5404\u79cd\u6d88\u606fID\u548c\u5bf9\u5e94\u7684\u8bf7\u6c42\u5904\u7406\u51fd\u6570\u7684\u6620\u5c04\u5173\u7cfb\u3002<\/li>\n
- \u94fe\u63a5（\u8fde\u63a5）Redis，\u4e3a\u540e\u7eed\u6d88\u606f\u8ba2\u9605\u505a\u51c6\u5907\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\u6ce8\u518c\u6d88\u606f\u54cd\u5e94（\u901a\u8fc7bind\u7ed1\u5b9a\u5bf9\u5e94\u6210\u5458\u51fd\u6570）<\/h5>\n\n- \n
login\u6ce8\u518c\u5230LOGIN_MSG<\/p>\n<\/li>\n
- \n
register\u6ce8\u518c\u5230REG_MSG<\/p>\n<\/li>\n
- \n
oneChat\u6ce8\u518c\u5230ONE_CHAT_MSG<\/p>\n<\/li>\n
- \n
\u8fd8\u6709\u597d\u53cb\u6dfb\u52a0\u3001\u521b\u5efa\u7fa4\u3001\u52a0\u5165\u7fa4\u3001\u7fa4\u804a\u7684\u5904\u7406\u65b9\u6cd5\u3002<\/p>\n<\/li>\n
- \n
\u901a\u4fd7\u7406\u89e3：\u50cf\u6253\u7535\u8bdd\u65f6\u62e8\u901a\u4e0d\u540c\u53f7\u7801\u8c03\u7528\u4e0d\u540c\u5c0f\u59d0\u59d0\u7684\u670d\u52a1\u3002<\/p>\n<\/li>\n<\/ul>\n
\n3.\u00a0\u4e1a\u52a1\u91cd\u7f6e（\u91cd\u8981）<\/h4>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
void reset();<\/p>\n
\n- \u4f5c\u7528：\n
\n- \u5728\u670d\u52a1\u5668\u5f02\u5e38\u6216\u91cd\u542f\u65f6\u8c03\u7528\u3002<\/li>\n
- \u5c06\u6240\u6709\u201c\u5df2\u767b\u5f55\u7684\u7528\u6237\u201d\u72b6\u6001\u91cd\u7f6e\u4e3a\u201c\u79bb\u7ebf\u201d\u72b6\u6001（\u786e\u4fdd\u72b6\u6001\u540c\u6b65\u771f\u5b9e\u60c5\u51b5）\u3002<\/li>\n<\/ul>\n<\/li>\n
- \u8c03\u7528\u573a\u666f：\u7cfb\u7edf\u5d29\u6e83\u540e，\u6062\u590d\u6b63\u5e38\u5de5\u4f5c\u72b6\u6001\u3002<\/li>\n<\/ul>\n
\n4.\u00a0\u83b7\u53d6\u7279\u5b9a\u201c\u6d88\u606f\u7c7b\u578b\u201d\u5bf9\u5e94\u7684\u5904\u7406\u51fd\u6570<\/h4>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
MsgHandler getHandler(int msgid);<\/p>\n
\n- \u4f5c\u7528：\n
\n- \u8f93\u5165msgid，\u8fd4\u56de\u5bf9\u5e94\u7684\u5904\u7406\u51fd\u6570（\u51fd\u6570\u6307\u9488\u6216lambda）\u3002<\/li>\n
- \u5982\u679c\u627e\u4e0d\u5230，\u5c31\u8fd4\u56de\u4e00\u4e2a\u201c\u9519\u8bef\u5904\u7406\u5668\u201d\u3002<\/li>\n<\/ul>\n<\/li>\n
- \u8bbe\u8ba1\u4eae\u70b9：\n
\n- \u52a8\u6001\u8def\u7531：\u524d\u7aef\u53d1\u7684\u4e0d\u540c\u6d88\u606f\u4f1a\u88ab\u8def\u7531\u5230\u4e0d\u540c\u7684\u5904\u7406\u51fd\u6570\u53bb\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\n5.\u00a0\u5404\u7c7b\u5177\u4f53\u4e1a\u52a1\u7684\u5904\u7406\u65b9\u6cd5（\u8be6\u7ec6\u8bb2\u89e3）<\/h4>\nlogin()\u767b\u9646\u6d41\u7a0b<\/h5>\n\n- \u8f93\u5165：\u7528\u6237ID\u3001\u5bc6\u7801\u3002<\/li>\n
- \u903b\u8f91：-\u67e5\u8be2\u7528\u6237\u4fe1\u606f，\u9a8c\u8bc1\u5bc6\u7801\u3002-\u7528\u6237\u5df2\u5728\u7ebf，\u63d0\u793a\u91cd\u590d\u767b\u5f55，\u5426\u5219：-\u5b58\u7528\u6237\u540d\u548c\u8fde\u63a5\u5173\u7cfb\u5230_userConnMap，\u65b9\u4fbf\u63a8\u9001\u3002-\u5728Redis\u8ba2\u9605\u9891\u9053（\u65b9\u4fbf\u8de8\u670d\u52a1\u901a\u77e5）\u3002-\u66f4\u65b0\u7528\u6237\u72b6\u6001\u4e3a\u5728\u7ebf\u3002-\u8fd4\u56de\u7528\u6237\u4fe1\u606f（\u5305\u62ec\u79bb\u7ebf\u6d88\u606f\u3001\u597d\u53cb\u5217\u8868\u3001\u7fa4\u7ec4\u4fe1\u606f）\u3002<\/li>\n
- \u4f5c\u7528：\u5b9e\u73b0\u5b9e\u9645\u201c\u767b\u9646\u201d\u529f\u80fd\u3002<\/li>\n<\/ul>\n
reg()\u6ce8\u518c<\/h5>\n\n- \u8f93\u5165：\u7528\u6237\u540d\u3001\u5bc6\u7801\u3002<\/li>\n
- \u903b\u8f91：-\u6821\u9a8c\u683c\u5f0f\u3001\u957f\u5ea6\u3002-\u5b58\u5165\u6570\u636e\u5e93\u3002-\u8fd4\u56de\u6210\u529f\u6216\u5931\u8d25\u3002<\/li>\n<\/ul>\n
loginout()\u9000\u51fa\/\u6ce8\u9500<\/h5>\n\n- \u4f5c\u7528：-\u4ece\u6d3b\u8dc3\u8fde\u63a5\u4e2d\u5220\u9664\u7528\u6237\u3002-\u5728Redis\u53d6\u6d88\u8ba2\u9605\u67d0\u6e20\u9053（\u8ba9\u5176\u4ed6\u670d\u52a1\u5668\u77e5\u9053\u8be5\u7528\u6237\u5df2\u79bb\u7ebf）\u3002-\u66f4\u65b0\u6570\u636e\u5e93\u7528\u6237\u72b6\u6001\u3002<\/li>\n<\/ul>\n
clientCloseException()<\/h5>\n\n- \u4f5c\u7528：\n
\n- \u5904\u7406\u5ba2\u6237\u7aef\u5f02\u5e38\u65ad\u5f00\u8fde\u63a5（\u6bd4\u5982\u7a81\u7136\u5173\u95ed\u7a97\u53e3，\u6ca1\u6709\u6b63\u5e38\u9000\u51fa）\u3002<\/li>\n
- \u7c7b\u4f3cloginout，\u6e05\u9664\u8fde\u63a5，\u66f4\u65b0\u72b6\u6001\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
oneChat()\u70b9\u5bf9\u70b9\u804a\u5929<\/h5>\n\n- \u8f93\u5165：\u63a5\u6536\u65b9toid，\u6d88\u606f\u5185\u5bb9\u3002<\/li>\n
- \u673a\u5236：-\u7b2c\u4e00\u6b65：\u627e_userConnMap，\u770b\u770b\u5bf9\u65b9\u662f\u5426\u5728\u7ebf（\u76f4\u63a5\u63a8）\u3002-\u7b2c\u4e8c\u6b65：\u5982\u4e0d\u5728\u7ebf，\u5219\u5b58\u79bb\u7ebf\u6d88\u606f\u3002-\u7b2c\u4e09\u6b65：\u5982\u679c\u5bf9\u65b9\u5728\u7ebf\u4f46\u4e0d\u5728\u81ea\u5df1\u670d\u52a1\u5668（\u5047\u8bbe\u591a\u8282\u70b9），\u5c31\u7528Redis\u53d1\u5e03\u6d88\u606f，\u5176\u4ed6\u8282\u70b9\u4f1a\u6536\u4fe1\u606f\u3002<\/li>\n<\/ul>\n
addFriend()\u6dfb\u52a0\u597d\u53cb<\/h5>\n\n- \u8f93\u5165：\u81ea\u5df1ID\u548c\u597d\u53cbID\u3002<\/li>\n
- \u64cd\u4f5c：\u5b58\u5165\u597d\u53cb\u5173\u7cfb\u8868\u3002<\/li>\n<\/ul>\n
createGroup()<\/h5>\n\n- \u8f93\u5165：\u53d1\u8d77\u4ebaID\u3001\u7fa4\u7ec4\u540d\u3001\u63cf\u8ff0\u3002<\/li>\n
- \u64cd\u4f5c：-\u5728\u6570\u636e\u5e93\u4e2d\u521b\u5efa\u65b0\u7fa4\u3002-\u5c06\u53d1\u8d77\u4eba\u52a0\u5165\u8be5\u7fa4（\u6743\u9650\u8bbe\u4e3a\u201ccreator\u201d）\u3002<\/li>\n<\/ul>\n
addGroup()\u52a0\u5165\u7fa4\u7ec4<\/h5>\n\n- \u8f93\u5165：\u7528\u6237ID\u3001\u7fa4ID\u3002<\/li>\n
- \u64cd\u4f5c：\u5c06\u7528\u6237\u52a0\u5165\u7fa4\u7ec4\u3002<\/li>\n<\/ul>\n
groupChat()\u7fa4\u804a<\/h5>\n\n- \u8f93\u5165：\u7fa4ID\u3001\u7fa4\u6210\u5458\u6d88\u606f\u3002<\/li>\n
- \u4f5c\u7528：\n
\n- \u4e2d\u8f6c\u6d88\u606f：\n
\n- \u5148\u627e\u6210\u5458\u5728\u4e0d\u5728\u7ebf（\u5728\u81ea\u5df1\u8fde\u63a5map\u91cc）\u3002<\/li>\n
- \u5728\u7ebf\u4e86\u63a8\u9001\u3002<\/li>\n
- \u4e0d\u5728\u7ebf\u5b58\u79bb\u7ebf\u6d88\u606f（\u5b58\u5230\u6570\u636e\u5e93\u4e2d）\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\n6.\u00a0\u5904\u7406Redis\u8ba2\u9605\u6d88\u606f<\/h4>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
void handleRedisSubscribeMessage(int, string);<\/p>\n
\n- \u4f5c\u7528：\n
\n- \u5176\u4ed6\u670d\u52a1\u5668\u53d1\u5e03\u540c\u6b65\u6d88\u606f\u540e，\u8c03\u7528\u6b64\u51fd\u6570\u3002<\/li>\n
- \u627e\u5230\u5bf9\u5e94\u7684\u7528\u6237\u8fde\u63a5，\u5982\u679c\u5728，\u63a8\u9001\u6d88\u606f\u3002<\/li>\n<\/ul>\n
-\u5426\u5219，\u5b58\u79bb\u7ebf\u6d88\u606f\u3002<\/li>\n<\/ul>\n
\n\u56db\u3001\u91cd\u70b9\u603b\u7ed3（\u901a\u4fd7\u7248）<\/h3>\n\n- ChatService\u5c31\u50cf\u4e00\u4e2a\u201c\u6307\u6325\u5b98\u201d，\u534f\u8c03\u6240\u6709\u804a\u5929\u76f8\u5173\u7684\u64cd\u4f5c\u3002<\/li>\n
- \u5b58\u653e\u201c\u7528\u6237\u548c\u8fde\u63a5\u5173\u7cfb\u201d，\u65b9\u4fbf\u4e3b\u52a8\u201c\u53d1\u6d88\u606f\u7ed9\u7528\u6237\u201d\u3002<\/li>\n
- \u6709\u4e8b\u6ce8\u518c\u201c\u4e8b\u4ef6\u5904\u7406\u5668\u201d：\u4e0d\u540c\u7684ID\u5bf9\u5e94\u4e0d\u540c\u64cd\u4f5c（\u767b\u5f55\u3001\u6ce8\u518c\u3001\u804a\u5929\u3001\u7fa4\u804a）\u3002<\/li>\n
- \u5229\u7528Redis\u5b9e\u73b0\u591a\u670d\u52a1\u6d88\u606f\u540c\u6b65\u3002<\/li>\n
- \u6bcf\u4e2a\u4e1a\u52a1\u90fd\u662f\u5c01\u88c5\u597d\u7684\u51fd\u6570：\u767b\u5f55\u3001\u6ce8\u518c\u3001\u70b9\u5bf9\u70b9\u804a\u5929\u7b49\u3002<\/li>\n
- \u6574\u4f53\u8bbe\u8ba1\u9ad8\u6269\u5c55\u6027\u3001\u7ebf\u7a0b\u5b89\u5168\u3001\u7ed3\u6784\u6e05\u6670\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
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- \n
- \u4f5c\u7528：\u00a0\u521d\u59cb\u5316\u6570\u636e\u5e93\u8fde\u63a5\u5bf9\u8c61，\u8c03\u7528mysql_init(nullptr)\u3002<\/li>\n
- \u529f\u80fd：\u00a0\u4e3a\u8fde\u63a5\u51c6\u5907\u4e00\u4e2a\u7a7a\u7684MYSQL\u5b9e\u4f8b\u3002<\/li>\n<\/ul>\n
~MySQL()<\/h4>\n
- \n
- \u4f5c\u7528：\u00a0\u91ca\u653e\u6570\u636e\u5e93\u8fde\u63a5\u8d44\u6e90\u3002<\/li>\n
- \u8c03\u7528：\u00a0mysql_close(_conn)，\u5173\u95ed\u8fde\u63a5，\u91ca\u653e\u8d44\u6e90\u3002<\/li>\n<\/ul>\n
\n\u6210\u5458\u51fd\u6570（\u516c\u5171\u63a5\u53e3）<\/h3>\n
bool connect()<\/h4>\n
- \n
- \u7528\u9014：\u00a0\u5efa\u7acb\u5b9e\u9645\u7684\u6570\u636e\u5e93\u8fde\u63a5\u3002<\/li>\n
- \u5b9e\u73b0\u7ec6\u8282：\n
- \n
- \u8c03\u7528mysql_real_connect，\u8fde\u63a5\u5230\u914d\u7f6e\u4fe1\u606f\u4e2d\u7684\u6570\u636e\u5e93（server\u3001user\u3001password\u3001dbname\u3001\u7aef\u53e33306）\u3002<\/li>\n
- \u8fde\u63a5\u6210\u529f\u540e，\u8bbe\u7f6e\u5b57\u7b26\u96c6\u4e3agbk（mysql_query(_conn, "set names gbk")）\u3002<\/li>\n
- \u8fde\u63a5\u6210\u529f\u5219\u8f93\u51fa\u65e5\u5fd7\u201cconnect mysql success!\u201d\u3002<\/li>\n
- \u8fde\u63a5\u5931\u8d25\u5219\u8f93\u51fa\u8be6\u7ec6\u7684\u9519\u8bef\u4fe1\u606f，\u5305\u542b\u9519\u8bef\u539f\u56e0\u548c\u8fde\u63a5\u53c2\u6570\u3002<\/li>\n<\/ul>\n<\/li>\n
- \u8fd4\u56de\u503c：\n
- \n
- true：\u8fde\u63a5\u6210\u529f<\/li>\n
- false：\u8fde\u63a5\u5931\u8d25<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
bool update(string sql)<\/h4>\n
- \n
- \u7528\u9014：\u00a0\u6267\u884cSQL\u66f4\u65b0\u64cd\u4f5c（INSERT\u3001UPDATE\u3001DELETE\u7b49）\u3002<\/li>\n
- \u5b9e\u73b0\u7ec6\u8282：\n
- \n
- \u8c03\u7528mysql_query(_conn, sql.c_str())\u6267\u884cSQL\u3002<\/li>\n
- \u82e5\u5931\u8d25，\u8f93\u51fa\u9519\u8bef，\u8fd4\u56defalse\u3002<\/li>\n
- \u6210\u529f\u8fd4\u56detrue\u3002<\/li>\n<\/ul>\n<\/li>\n
- \u793a\u4f8b：\u00a0\u63d2\u5165\u65b0\u7528\u6237\u6216\u4fee\u6539\u6570\u636e\u3002<\/li>\n<\/ul>\n
MYSQL_RES *query(string sql)<\/h4>\n
- \n
- \u7528\u9014：\u00a0\u6267\u884cSQL\u67e5\u8be2\u8bed\u53e5（SELECT），\u8fd4\u56de\u7ed3\u679c\u96c6\u3002<\/li>\n
- \u5b9e\u73b0\u7ec6\u8282：\n
- \n
- \u8c03\u7528mysql_query(_conn, sql.c_str())\u6267\u884c\u67e5\u8be2\u3002<\/li>\n
- \u82e5\u5931\u8d25，\u8f93\u51fa\u9519\u8bef\u4fe1\u606f，\u8fd4\u56denullptr\u3002<\/li>\n
- \u82e5\u6210\u529f，\u8c03\u7528mysql_use_result(_conn)\u83b7\u53d6\u7ed3\u679c\u96c6\u3002<\/li>\n<\/ul>\n<\/li>\n
- \u8fd4\u56de\u503c：\n
- \n
- MYSQL_RES*：\u7ed3\u679c\u96c6\u6307\u9488，\u8c03\u7528\u8005\u9700\u8d1f\u8d23\u91ca\u653e\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
MYSQL* getConnection()<\/h4>\n
- \n
- \u7528\u9014：\u00a0\u63d0\u4f9b\u5e95\u5c42\u8fde\u63a5\u6307\u9488，\u4fbf\u4e8e\u66f4\u591a\u7684\u4f4e\u7ea7\u64cd\u4f5c\u6216\u8c03\u8bd5\u3002<\/li>\n
- \u8fd4\u56de：\u00a0_conn\u6307\u9488\u3002<\/li>\n<\/ul>\n
\n\u5176\u4ed6\u7ec6\u8282<\/h3>\n
- \n
- \n
\u8fde\u63a5\u4fe1\u606f\u5b58\u50a8：<\/p>\n
- \n
- server（127.0.0.1）<\/li>\n
- user（root）<\/li>\n
- password（Sf523416&111）<\/li>\n
- dbname（chat）<\/li>\n<\/ul>\n
\u8fd9\u4e9b\u4fe1\u606f\u662f\u9759\u6001\u53d8\u91cf（static string），\u65b9\u4fbf\u5728\u6574\u4e2a\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u3002<\/p>\n<\/li>\n
- \n
\u65e5\u5fd7\u8f93\u51fa：<\/p>\n
- \n
- \u4f7f\u7528\u00a0muduo\/base\/Logging.h\u00a0\u63d0\u4f9b\u7684\u65e5\u5fd7\u5b8f\u00a0LOG_INFO\u00a0\u548c\u00a0LOG_ERROR，\u65b9\u4fbf\u8c03\u8bd5\u548c\u76d1\u63a7\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\n\u603b\u7ed3<\/h3>\n
\u8fd9\u4e2a\u00a0MySQL\u00a0\u7c7b\u5c01\u88c5\u4e86：<\/p>\n
- \n
- \u8fde\u63a5\u7ba1\u7406：\u00a0\u5185\u90e8\u7ef4\u62a4\u4e00\u4e2aMYSQL*\u8fde\u63a5\u53e5\u67c4\u3002<\/li>\n
- \u8fde\u63a5\u65b9\u6cd5：\u00a0connect()，\u8fde\u63a5\u6570\u636e\u5e93\u3002<\/li>\n
- \u6570\u636e\u64cd\u4f5c：\n
- \n
- update()\u00a0\u6267\u884c\u5199\u64cd\u4f5c（\u589e\u5220\u6539）\u3002<\/li>\n
- query()\u00a0\u6267\u884c\u8bfb\u64cd\u4f5c，\u8fd4\u56de\u7ed3\u679c\u96c6\u6307\u9488\u3002<\/li>\n<\/ul>\n<\/li>\n
- \u8d44\u6e90\u7ba1\u7406：\u00a0\u5728\u6790\u6784\u51fd\u6570\u4e2d\u91ca\u653e\u8fde\u63a5\u3002<\/li>\n<\/ul>\n
\u5b83\u4e3a\u4e0a\u5c42\u5e94\u7528\u63d0\u4f9b\u4e86\u7b80\u6d01\u3001\u5c01\u88c5\u7684\u6570\u636e\u5e93\u8bbf\u95ee\u63a5\u53e3，\u5e76\u52a0\u5165\u4e86\u9519\u8bef\u4fe1\u606f\u8f93\u51fa\u548c\u65e5\u5fd7\u8bb0\u5f55，\u975e\u5e38\u9002\u5408\u5728\u5b9e\u9645\u7684C++\u670d\u52a1\u5668\u9879\u76ee\u4e2d\u4f7f\u7528\u3002<\/p>\n
<\/p>\n2.FriendModel\u7c7b<\/h2>\n
\u8ba9\u6211\u4eec\u4e00\u8d77\u6765\u8be6\u7ec6\u5206\u6790\u8fd9\u4e2aFriendModel\u7c7b，\u5b83\u4e3b\u8981\u8d1f\u8d23\u7ef4\u62a4\u548c\u5904\u7406\u597d\u53cb\u5173\u7cfb\u76f8\u5173\u7684\u64cd\u4f5c\u3002\u8fd9\u4e2a\u7c7b\u5c01\u88c5\u4e86\u64cd\u4f5c\u597d\u53cb\u4fe1\u606f\u7684\u4e24\u4e2a\u6838\u5fc3\u529f\u80fd：\u6dfb\u52a0\u597d\u53cb\u5173\u7cfb\u548c\u67e5\u8be2\u597d\u53cb\u5217\u8868\u3002<\/p>\n
\n\u7c7b\u5b9a\u4e49\u6982\u8ff0<\/h3>\n
#ifndef FRIENDMODEL_H
\n#define FRIENDMODEL_H<\/p>\n#include "user.hpp"
\n#include <vector>
\nusing namespace std;<\/p>\nclass FriendModel
\n{
\npublic:
\n \/\/ \u6dfb\u52a0\u597d\u53cb\u5173\u7cfb
\n void insert(int userid, int friendid);<\/p>\n\/\/ \u8fd4\u56de\u7528\u6237\u597d\u53cb\u5217\u8868
\n vector<User> query(int userid);
\n};<\/p>\n#endif<\/p>\n
\u6210\u5458\u65b9\u6cd5\u6982\u8ff0<\/h4>\n
1.\u00a0void insert(int userid, int friendid)<\/h5>\n
- \n
- \u529f\u80fd：\u00a0\u5728\u597d\u53cb\u5173\u7cfb\u8868\u4e2d\u63d2\u5165\u4e00\u6761\u65b0\u7684\u597d\u53cb\u5173\u7cfb\u3002<\/li>\n<\/ul>\n
2.\u00a0vector<User> query(int userid)<\/h5>\n
- \n
- \u529f\u80fd：\u00a0\u67e5\u8be2\u67d0\u4e2a\u7528\u6237\u7684\u6240\u6709\u597d\u53cb，\u8fd4\u56de\u4e00\u4e2aUser\u5bf9\u8c61\u7684\u5411\u91cf（\u597d\u53cb\u5217\u8868）\u3002<\/li>\n<\/ul>\n
\n\u65b9\u6cd5\u8be6\u7ec6\u89e3\u8bfb<\/h3>\n
1. \u6dfb\u52a0\u597d\u53cb\u5173\u7cfb：void insert(int userid, int friendid)<\/h4>\n
\u5b9e\u73b0\u903b\u8f91：<\/p>\n
- \n
- \u6784\u9020SQL\u8bed\u53e5，\u683c\u5f0f\u4e3a：\n
insert into friend values(userid, friendid)<\/p>\n<\/li>\n
- \u521b\u5efaMySQL\u5bf9\u8c61，\u5e76\u8fde\u63a5\u6570\u636e\u5e93\u3002<\/li>\n
- \u5982\u679c\u8fde\u63a5\u6210\u529f，\u6267\u884cupdate()\u65b9\u6cd5\u63d2\u5165\u597d\u53cb\u5173\u7cfb\u3002<\/li>\n<\/ul>\n
\u8bf4\u660e：<\/p>\n
\u8fd9\u4e2a\u64cd\u4f5c\u5047\u8bbefriend\u8868\u6709\u4e24\u5217（\u4f8b\u5982：userid\u00a0\u548c\u00a0friendid），\u4ee3\u8868\u4e00\u5bf9\u597d\u53cb\u5173\u7cfb\u3002<\/p>\n
\n2. \u67e5\u8be2\u597d\u53cb\u5217\u8868：vector<User> query(int userid)<\/h4>\n
\u5b9e\u73b0\u903b\u8f91：<\/p>\n
- \n
- \n
\u6784\u9020SQL\u8bed\u53e5，\u4f7f\u7528\u5185\u90e8\u8fde\u63a5（inner join），\u67e5\u8be2\u7528\u6237\u7684\u597d\u53cb\u4fe1\u606f：<\/p>\n
select a.id, a.name, a.state
\nfrom user a
\ninner join friend b on b.friendid = a.id
\nwhere b.userid = userid<\/p>\n\u8fd9\u6761\u8bed\u53e5\u7684\u4f5c\u7528：<\/p>\n
- \n
- \u4eceuser\u8868\u4e2d\u9009\u51fa\u6240\u6709\u8be5\u7528\u6237\u7684\u597d\u53cb\u4fe1\u606f\u3002<\/li>\n
- \u901a\u8fc7friend\u5173\u7cfb\u8868\u5173\u8054\u7528\u6237ID\u3002<\/li>\n<\/ul>\n<\/li>\n
- \n
\u521b\u5efa\u4e00\u4e2avector<User>\u5b58\u653e\u597d\u53cb\u4fe1\u606f\u3002<\/p>\n<\/li>\n
- \n
\u5efa\u7acb\u6570\u636e\u5e93\u8fde\u63a5，\u6267\u884c\u67e5\u8be2：<\/p>\n
- \n
- \n
\u82e5\u6210\u529f，\u904d\u5386MYSQL_RES\u7ed3\u679c\u96c6：<\/p>\n
- \n
- \n
\u5229\u7528mysql_fetch_row()\u8bfb\u53d6\u6bcf\u4e00\u884c\u6570\u636e\u3002<\/p>\n<\/li>\n
- \n
\u521b\u5efa\u4e00\u4e2aUser\u5bf9\u8c61，\u8bbe\u7f6e\u5176\u5b57\u6bb5（id\u3001name\u3001state）\u3002<\/p>\n<\/li>\n
- \n
\u5c06User\u52a0\u5165\u7ed3\u679c\u5411\u91cf\u4e2d\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
- \n
\u91ca\u653eMYSQL_RES\u8d44\u6e90\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
- \n
\u8fd4\u56de\u597d\u53cb\u5217\u8868vector<User>\u3002<\/p>\n<\/li>\n<\/ul>\n
\n\u7c7b\u6210\u5458\u53d8\u91cf<\/h3>\n
\/\/ \u76ee\u524d\u8be5\u7c7b\u6ca1\u6709\u663e\u5f0f\u6210\u5458\u53d8\u91cf，\u53ea\u6709\u6210\u5458\u65b9\u6cd5<\/p>\n
\u5907\u6ce8：<\/p>\n
- \n
- \u8fd9\u4e2a\u7c7b\u8bbe\u8ba1\u4e2d\u6ca1\u6709\u6301\u4e45\u7684\u6210\u5458\u53d8\u91cf，\u6bcf\u6b21\u64cd\u4f5c\u65f6\u90fd\u65b0\u5efaMySQL\u5bf9\u8c61\u4ee5\u8fde\u63a5\u6570\u636e\u5e93\u3002\u8fd9\u662f\u4e00\u79cd\u7b80\u5355\u5b9e\u73b0，\u9002\u5408\u5173\u7cfb\u4e0d\u9891\u7e41\u53d8\u52a8\u7684\u573a\u666f\u3002<\/li>\n<\/ul>\n
\n\u5176\u4ed6\u7ec6\u8282<\/h3>\n
- \n
- \n
\u6570\u636e\u5e93\u64cd\u4f5c：<\/p>\n
- \n
- \u63d2\u5165\u5173\u7cfb\u65f6\u8c03\u7528mysql.update(sql)，\u6ca1\u6709\u4e8b\u52a1\u63a7\u5236，\u7b80\u5355\u63d2\u5165\u3002<\/li>\n
- \u67e5\u8be2\u597d\u53cb\u4fe1\u606f\u65f6\u8c03\u7528mysql.query(sql)，\u5904\u7406\u7ed3\u679c\u96c6\u3002<\/li>\n<\/ul>\n<\/li>\n
- \n
\u5b89\u5168\u6027：<\/p>\n
- \n
- \u4f7f\u7528sprintf\u62fc\u63a5SQL\u8bed\u53e5，\u53ef\u80fd\u5b58\u5728SQL\u6ce8\u5165\u98ce\u9669；\u5b9e\u9645\u5e94\u7528\u4e2d\u5efa\u8bae\u7528\u53c2\u6570\u5316\u67e5\u8be2\u3002<\/li>\n<\/ul>\n<\/li>\n
- \n
\u6027\u80fd：<\/p>\n
- \n
- \u6bcf\u6b21\u64cd\u4f5c\u90fd\u65b0\u5efa\u6570\u636e\u5e93\u8fde\u63a5，\u4e0d\u590d\u7528\u8fde\u63a5，\u53ef\u80fd\u5f71\u54cd\u6548\u7387\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\n\u603b\u7ed3<\/h3>\n
\u8fd9\u4e2aFriendModel\u7c7b\u63d0\u4f9b\u4e86\u4e24\u4e2a\u4e3b\u8981\u529f\u80fd：<\/p>\n
- \n
\u6dfb\u52a0\u597d\u53cb\u5173\u7cfb：insert()<\/p>\n
- \n
- \u5c06\u4e24\u7528\u6237\u7684\u597d\u53cb\u5173\u7cfb\u5b58\u5165\u6570\u636e\u5e93\u3002<\/li>\n<\/ul>\n<\/li>\n
- \n
\u67e5\u8be2\u597d\u53cb\u5217\u8868：query()<\/p>\n
- \n
- \u6839\u636e\u7528\u6237ID，\u67e5\u627e\u6240\u6709\u597d\u53cb\u4fe1\u606f，\u8fd4\u56deUser\u5bf9\u8c61\u7684\u6570\u7ec4（\u597d\u53cb\u5217\u8868）\u3002<\/li>\n<\/ul>\n<\/li>\n
\u8be5\u8bbe\u8ba1\u7ed3\u6784\u7b80\u6d01，\u76f4\u63a5，\u4f46\u5728\u6027\u80fd\u4f18\u5316\u548c\u5b89\u5168\u6027\u65b9\u9762\u53ef\u4ee5\u8fdb\u4e00\u6b65\u589e\u5f3a（\u5982\u8fde\u63a5\u6c60\u3001\u53c2\u6570\u5316\u67e5\u8be2\u7b49）\u3002<\/p>\n
\u540c\u65f6，\u5b83\u4f9d\u8d56\u4e8e\u6570\u636e\u5e93\u8868\u7ed3\u6784（friend\u8868\u548cuser\u8868）\u5408\u7406\u8bbe\u8ba1\u3002<\/p>\n<\/p>\n
3.\u7c7b\u6bd4FriendModel\u7c7b，\u8fd8\u6709usermodel, groupmodel,OfflinMegModel<\/h2>\n
\u8fd9\u662f\u6570\u636e\u64cd\u4f5c\u6a21\u578b\u5c42，\u8d1f\u8d23\u5728\u4e1a\u52a1\u903b\u8f91\u548c\u6570\u636e\u5b58\u50a8\u4e4b\u95f4\u4f20\u9012\u4fe1\u606f\u3002\u5b83\u77e5\u9053\u5982\u4f55\u628a\u4e1a\u52a1\u9700\u6c42（\u5982\u6dfb\u52a0\u597d\u53cb）\u8f6c\u5316\u4e3a\u6570\u636e\u5e93\u64cd\u4f5c，\u4e5f\u61c2\u5f97\u5982\u4f55\u628a\u6570\u636e\u5e93\u67e5\u8be2\u7ed3\u679c\u8f6c\u5316\u4e3a\u4e1a\u52a1\u53ef\u7528\u7684\u5bf9\u8c61\u3002<\/span><\/span><\/p>\n
<\/p>\n4.group.hpp,groupuser.hpp,user.hpp<\/h2>\n
<\/p>\n\u00a0\u8ba9\u6211\u4eec\u8be6\u7ec6\u5206\u6790\u8fd9\u4e09\u4e2a\u7c7b（User\u3001GroupUser\u3001Group）\u7684\u8bbe\u8ba1\u4e0e\u4f5c\u7528，\u5b83\u4eec\u90fd\u662f\u5178\u578b\u7684 ORM（\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04）\u7c7b，\u7528\u4e8e\u6620\u5c04\u6570\u636e\u5e93\u4e2d\u7684\u8868\u7ed3\u6784\u5230 C++ \u5bf9\u8c61\u4e2d，\u65b9\u4fbf\u5f00\u53d1\u4e2d\u5bf9\u6570\u636e\u7684\u64cd\u4f5c\u3002<\/p>\n
1.\u00a0User\u00a0\u7c7b（\u7528\u6237\u57fa\u7840\u8868\u7684ORM\u7c7b）<\/h4>\n
class User
\n{
\npublic:
\n User(int id = -1, string name = "", string pwd = "", string state = "offline")
\n {
\n this->id = id;
\n this->name = name;
\n this->password = pwd;
\n this->state = state;
\n }<\/p>\nvoid setId(int id) { this->id = id; }
\n void setName(string name) { this->name = name; }
\n void setPwd(string pwd) { this->password = pwd; }
\n void setState(string state) { this->state = state; }<\/p>\nint getId() { return this->id; }
\n string getName() { return this->name; }
\n string getPwd() { return this->password; }
\n string getState() { return this->state; }<\/p>\nprotected:
\n int id;
\n string name;
\n string password;
\n string state;
\n};<\/p>\n\u4f5c\u7528\u4e0e\u8bbe\u8ba1：<\/p>\n
- \n
- \u8868\u793a\u201c\u7528\u6237\u201d\u5b9e\u4f53，\u5c06\u7528\u6237\u8868\u4e2d\u7684\u5b57\u6bb5(id,\u00a0name,\u00a0password,\u00a0state)\u6620\u5c04\u4e3a\u7c7b\u6210\u5458\u3002<\/li>\n
- \u63d0\u4f9b\u4e86\u6784\u9020\u51fd\u6570\u3001getter\u3001setter\u65b9\u6cd5，\u65b9\u4fbf\u64cd\u4f5c\u3002<\/li>\n
- \u5178\u578b\u7684ORM\u7c7b，\u7528\u4e8e\u5728\u7a0b\u5e8f\u4e2d\u5c01\u88c5\u7528\u6237\u4fe1\u606f\u3002<\/li>\n<\/ul>\n
\n2.\u00a0GroupUser\u00a0\u7c7b（\u7fa4\u7ec4\u7528\u6237，\u6269\u5c55\u4e86User，\u6dfb\u52a0\u89d2\u8272\u4fe1\u606f）<\/h4>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
class GroupUser : public User
\n{
\npublic:
\n void setRole(string role) { this->role = role; }
\n string getRole() { return this->role; }<\/p>\nprivate:
\n string role; \/\/ \u7528\u6237\u5728\u7fa4\u7ec4\u4e2d\u7684\u89d2\u8272（\u5982\u7ba1\u7406\u5458\u3001\u666e\u901a\u6210\u5458）
\n};<\/p>\n\u4f5c\u7528\u4e0e\u8bbe\u8ba1：<\/p>\n
- \n
- \u7ee7\u627f\u81eaUser，\u610f\u5473\u7740\u201c\u7fa4\u7ec4\u5185\u7684\u7528\u6237\u201d\u5177\u6709\u7528\u6237\u7684\u6240\u6709\u57fa\u672c\u5c5e\u6027（\u5982ID\u3001\u7528\u6237\u540d\u3001\u5bc6\u7801\u3001\u72b6\u6001）\u3002<\/li>\n
- \u589e\u52a0role\u5c5e\u6027，\u8868\u793a\u7528\u6237\u5728\u7fa4\u7ec4\u4e2d\u7684\u89d2\u8272\u3002<\/li>\n
- \u8bbe\u8ba1\u7406\u5ff5：\u4e00\u4e2a\u7fa4\u7ec4\u4e2d\u7684\u7528\u6237\u4e0d\u4ec5\u4ec5\u7b97\u4f5c\u666e\u901a\u7528\u6237，\u8fd8\u9700\u533a\u5206\u89d2\u8272，\u56e0\u6b64\u5728\u7fa4\u7ec4\u5173\u7cfb\u4e2d，\u6dfb\u52a0\u4e86\u89d2\u8272\u5b57\u6bb5\u3002<\/li>\n<\/ul>\n
\u603b\u7ed3：<\/p>\n
- \n
- GroupUser\u662f\u4e00\u4e2a\u201c\u5173\u7cfb\u7c7b\u201d，\u8868\u793a\u67d0\u4e2a\u7528\u6237\u5728\u67d0\u4e2a\u7fa4\u7ec4\u4e2d\u7684\u8eab\u4efd\u4fe1\u606f（\u4e0d\u4ec5\u4ec5\u662f\u7528\u6237，\u8fd8\u5305\u62ec\u89d2\u8272\u5c5e\u6027）\u3002<\/li>\n
- \u8fd9\u6837\u8bbe\u8ba1\u65b9\u4fbf\u5728\u591a\u5bf9\u591a\u5173\u7cfb\u4e2d\u5b58\u50a8\u89d2\u8272\u4fe1\u606f（\u5982\u7528\u6237\u5c5e\u4e8e\u54ea\u4e2a\u7fa4，\u89d2\u8272\u600e\u6837）\u3002<\/li>\n<\/ul>\n
\n3.\u00a0Group\u00a0\u7c7b（\u7fa4\u7ec4\u7c7b）<\/h4>\n
class Group
\n{
\npublic:
\n Group(int id = -1, string name = "", string desc = "")
\n {
\n this->id = id;
\n this->name = name;
\n this->desc = desc;
\n }<\/p>\nvoid setId(int id) { this->id = id; }
\n void setName(string name) { this->name = name; }
\n void setDesc(string desc) { this->desc = desc; }<\/p>\nint getId() { return this->id; }
\n string getName() { return this->name; }
\n string getDesc() { return this->desc; }
\n vector<GroupUser> &getUsers() { return this->users; }<\/p>\nprivate:
\n int id; \/\/ \u7fa4\u7ec4ID
\n string name; \/\/ \u7fa4\u7ec4\u540d\u79f0
\n string desc; \/\/ \u7fa4\u7ec4\u63cf\u8ff0
\n vector<GroupUser> users; \/\/ \u5305\u542b\u7684\u6210\u5458\u5217\u8868（\u6bcf\u4e2a\u6210\u5458\u5e26\u89d2\u8272\u4fe1\u606f）
\n};<\/p>\n\u4f5c\u7528\u4e0e\u8bbe\u8ba1：<\/p>\n
- \n
- \u8868\u793a\u201c\u7fa4\u7ec4\u201d\u5b9e\u4f53，\u6620\u5c04\u7fa4\u7ec4\u8868\u3002<\/li>\n
- \u542b\u6709ID\u3001\u540d\u79f0\u3001\u63cf\u8ff0\u5b57\u6bb5\u3002<\/li>\n
- users\u00a0\u6210\u5458\u53d8\u91cf\u7528\u6765\u5b58\u50a8\u7fa4\u7ec4\u7684\u6240\u6709\u6210\u5458（GroupUser\u5bf9\u8c61），\u5b9e\u73b0\u591a\u5bf9\u591a\u5173\u7cfb（\u4e00\u4e2a\u7fa4\u7ec4\u6709\u591a\u4e2a\u7528\u6237，\u4e00\u7528\u6237\u53ef\u80fd\u5728\u591a\u4e2a\u7fa4\u7ec4）\u3002<\/li>\n
- \u63d0\u4f9b\u4e86\u57fa\u672c\u7684getter\/setter\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n
\n\u5173\u7cfb\u4e0e\u6574\u4f53\u67b6\u6784\u7406\u89e3<\/h4>\n
- \n
- User：\u4ee3\u8868\u6574\u4e2a\u7cfb\u7edf\u7684\u7528\u6237\u4fe1\u606f，\u6620\u5c04\u7528\u6237\u8868\u3002<\/li>\n
- GroupUser：\u7ee7\u627f\u7528\u6237\u4fe1\u606f，\u5e76\u9644\u52a0\u89d2\u8272\u4fe1\u606f，\u4ee3\u8868\u67d0\u7528\u6237\u5728\u7279\u5b9a\u7fa4\u7ec4\u4e2d\u7684\u89d2\u8272（\u591a\u5bf9\u591a\u5173\u7cfb\u4e2d\u7684\u4e2d\u95f4\u8868\/\u5173\u7cfb\u5b9e\u4f53）\u3002<\/li>\n
- Group：\u4ee3\u8868\u7fa4\u7ec4\u5b9e\u4f53，\u542b\u5176\u6210\u5458（GroupUser\u7684\u96c6\u5408）\u4fe1\u606f\u3002<\/li>\n<\/ul>\n
\u8fd9\u5957\u8bbe\u8ba1\u4f53\u73b0\u4e86\u9762\u5411\u5bf9\u8c61\u65b9\u5f0f\u5bf9\u6570\u636e\u5e93\u5173\u7cfb\u7684\u5c01\u88c5：<\/p>\n
- \n
- \u901a\u8fc7Group\u7c7b\u7ba1\u7406\u7fa4\u7ec4\u4fe1\u606f\u548c\u6210\u5458\u5217\u8868；<\/li>\n
- \u901a\u8fc7GroupUser\u7c7b\u63cf\u8ff0\u7528\u6237\u548c\u89d2\u8272\u4e4b\u95f4\u7684\u5173\u7cfb；<\/li>\n
- \u901a\u8fc7User\u7c7b\u63cf\u8ff0\u7528\u6237\u57fa\u7840\u4fe1\u606f\u3002<\/li>\n<\/ul>\n
\n\u603b\u7ed3：<\/h4>\n
- \n
- \u8fd9\u4e09\u7c7b\u5171\u540c\u7ec4\u6210\u4e86\u4e00\u4e2a\u4e0e\u201c\u7fa4\u7ec4\u804a\u5929\u201d\u529f\u80fd\u76f8\u5173\u7684\u5bf9\u8c61\u6a21\u578b\u67b6\u6784\u3002<\/li>\n
- \u8bbe\u8ba1\u5145\u5206\u5229\u7528\u7ee7\u627f（GroupUser\u7ee7\u627fUser）\u6765\u590d\u7528\u4ee3\u7801，\u589e\u5f3a\u6269\u5c55\u6027\u3002<\/li>\n
- \u4f7f\u5f97\u7a0b\u5e8f\u80fd\u591f\u4ee5\u5bf9\u8c61\u7684\u65b9\u5f0f\u64cd\u4f5c\u6570\u636e\u5e93\u4e2d\u7684\u7528\u6237\u3001\u7fa4\u7ec4\u4e0e\u6210\u5458\u5173\u7cfb\u3002<\/li>\n<\/ul>\n
5.Redis\u00a0\u7c7b<\/h2>\n
\u8fd9\u4efdredis.hpp\u548credis.cpp\u5b9e\u73b0\u4e86\u4e00\u4e2a\u5c01\u88c5\u4e86Redis\u53d1\u5e03\u8ba2\u9605（Pub\/Sub）\u529f\u80fd\u7684\u7c7b，\u65b9\u4fbf\u5728C++\u9879\u76ee\u4e2d\u4f7f\u7528Redis\u8fdb\u884c\u6d88\u606f\u901a\u4fe1\u3002\u4e0b\u9762\u6211\u4f1a\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e2a\u7c7b\u4e2d\u7684\u6210\u5458\u53d8\u91cf\u548c\u6210\u5458\u51fd\u6570，\u5e2e\u52a9\u4f60\u7406\u89e3\u5b83\u7684\u8bbe\u8ba1\u601d\u60f3\u548c\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n
\nRedis\u00a0\u7c7b\u6210\u5458\u548c\u65b9\u6cd5\u8be6\u89e3<\/h3>\n
1.\u00a0\u6210\u5458\u53d8\u91cf<\/h4>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
private:
\n redisContext *_publish_context; \/\/ \u8d1f\u8d23\u53d1\u5e03\u6d88\u606f\u7684\u4e0a\u4e0b\u6587
\n redisContext *_subcribe_context; \/\/ \u8d1f\u8d23\u8ba2\u9605\u6d88\u606f\u7684\u4e0a\u4e0b\u6587
\n function<void(int, string)> _notify_message_handler; \/\/ \u6d88\u606f\u63a5\u6536\u65f6\u7684\u56de\u8c03\u51fd\u6570<\/p>\n- \n
- _publish_context：\u7528\u6765\u8fde\u63a5\u548c\u64cd\u4f5cRedis\u7684\u53d1\u5e03(PUBLISH)\u547d\u4ee4，\u7528\u4e8e\u5411\u9891\u9053\u53d1\u9001\u6d88\u606f\u3002<\/li>\n
- _subcribe_context：\u7528\u6765\u8fde\u63a5\u548c\u64cd\u4f5cRedis\u7684\u8ba2\u9605(SUBSCRIBE)\u547d\u4ee4，\u7528\u4e8e\u76d1\u542c\u548c\u63a5\u6536\u9891\u9053\u7684\u6d88\u606f\u3002<\/li>\n
- _notify_message_handler：\u4e1a\u52a1\u5c42\u5b9a\u4e49\u7684\u56de\u8c03\u51fd\u6570，\u7528\u4e8e\u901a\u77e5\u4e1a\u52a1\u5c42\u6536\u5230\u7684\u6d88\u606f\u3002<\/li>\n<\/ul>\n
\n2.\u00a0\u6784\u9020\u51fd\u6570\u548c\u6790\u6784\u51fd\u6570<\/h4>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
Redis(); \/\/ \u6784\u9020\u51fd\u6570，\u521d\u59cb\u5316\u6210\u5458\u6307\u9488\u4e3a\u7a7a
\n~Redis(); \/\/ \u6790\u6784\u51fd\u6570，\u91ca\u653e\u8fde\u63a5<\/p>\n- \n
- \u6784\u9020\u51fd\u6570：\u521d\u59cb\u5316\u6307\u9488\u4e3anullptr\u3002<\/li>\n
- \u6790\u6784\u51fd\u6570：\u5982\u679c\u6307\u9488\u4e0d\u4e3a\u7a7a，\u8c03\u7528redisFree()\u91ca\u653e\u8d44\u6e90，\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\u3002<\/li>\n<\/ul>\n
\n3.\u00a0\u6838\u5fc3\u529f\u80fd\u6210\u5458\u65b9\u6cd5<\/h4>\n
connect()<\/h5>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
bool connect();<\/p>\n
- \n
- \u8fde\u63a5\u672c\u5730Redis\u670d\u52a1\u5668（\u9ed8\u8ba4\u5730\u5740\u4e3a\u00a0127.0.0.1:6379）\u3002<\/li>\n
- \u5206\u522b\u521b\u5efa\u4e24\u4e2a\u8fde\u63a5：\u4e00\u4e2a\u7528\u4e8e\u53d1\u5e03，\u4e00\u4e2a\u7528\u4e8e\u8ba2\u9605\u3002<\/li>\n
- \u8fde\u63a5\u6210\u529f\u540e，\u542f\u52a8\u4e00\u4e2a\u72ec\u7acb\u7ebf\u7a0b\u8c03\u7528observer_channel_message()，\u4e0d\u65ad\u76d1\u542c\u8ba2\u9605\u901a\u9053\u4e2d\u7684\u6d88\u606f，\u5f02\u6b65\u901a\u77e5\u4e1a\u52a1\u5c42\u3002<\/li>\n<\/ul>\n
publish()<\/h5>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
bool publish(int channel, string message);<\/p>\n
- \n
- \u5411\u6307\u5b9a\u9891\u9053\u53d1\u5e03\u6d88\u606f\u3002<\/li>\n
- \u4f7f\u7528redisCommand()\u6267\u884cPUBLISH\u547d\u4ee4\u3002<\/li>\n
- \u5982\u679c\u6210\u529f，\u8fd4\u56detrue，\u5426\u5219\u8fd4\u56defalse\u3002<\/li>\n<\/ul>\n
subscribe()<\/h5>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
bool subscribe(int channel);<\/p>\n
- \n
- \u8ba2\u9605\u6307\u5b9a\u9891\u9053\u3002<\/li>\n
- \u4f7f\u7528redisAppendCommand()\u548credisBufferWrite()\u5411Redis\u670d\u52a1\u5668\u53d1\u51faSUBSCRIBE\u547d\u4ee4\u3002<\/li>\n
- \u6ce8\u610f：\u8ba2\u9605\u64cd\u4f5c\u662f\u975e\u963b\u585e\u7684，\u53ea\u662f\u53d1\u51fa\u8ba2\u9605\u547d\u4ee4，\u63a5\u6536\u6d88\u606f\u7531\u540e\u53f0\u7ebf\u7a0b\u76d1\u542c\u3002<\/li>\n<\/ul>\n
unsubscribe()<\/h5>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
bool unsubscribe(int channel);<\/p>\n
- \n
- \u53d6\u6d88\u8ba2\u9605\u67d0\u4e2a\u9891\u9053\u3002<\/li>\n
- \u4f7f\u7528\u7c7b\u4f3csubscribe()\u7684\u65b9\u5f0f\u53d1\u51faUNSUBSCRIBE\u547d\u4ee4\u3002<\/li>\n<\/ul>\n
observer_channel_message()<\/h5>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
void observer_channel_message();<\/p>\n
- \n
- \u8fd0\u884c\u5728\u540e\u53f0\u7ebf\u7a0b\u4e2d，\u6301\u7eed\u8c03\u7528redisGetReply()\u63a5\u6536Redis\u670d\u52a1\u5668\u63a8\u9001\u7684\u6d88\u606f\u3002<\/li>\n
- \u89e3\u6790\u6536\u5230\u7684\u6d88\u606f\u6570\u7ec4（reply->element）：\n
- \n
- reply->element[2]->str：\u6d88\u606f\u5185\u5bb9<\/li>\n
- reply->element[1]->str：\u9891\u9053\u7f16\u53f7<\/li>\n<\/ul>\n<\/li>\n
- \u8c03\u7528_notify_message_handler()\u901a\u77e5\u4e1a\u52a1\u5c42\u6536\u5230\u65b0\u6d88\u606f\u3002<\/li>\n<\/ul>\n
init_notify_handler()<\/h5>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
void init_notify_handler(function<void(int, string)> fn);<\/p>\n
- \n
- \u521d\u59cb\u5316\u6d88\u606f\u901a\u77e5\u7684\u56de\u8c03\u51fd\u6570\u3002<\/li>\n
- \u7528\u6237\u5728\u4e1a\u52a1\u5c42\u5b9a\u4e49\u5904\u7406\u903b\u8f91\u540e，\u8c03\u7528\u6b64\u51fd\u6570\u6ce8\u518c\u3002<\/li>\n<\/ul>\n
\n\u5176\u4ed6\u7ec6\u8282\u8bf4\u660e<\/h3>\n
- \n
- \u8fde\u63a5\u7ba1\u7406：\u5728connect()\u4e2d\u521b\u5efa\u4e24\u4e2aredisContext，\u65b9\u4fbf\u5206\u522b\u5904\u7406\u53d1\u5e03\u548c\u8ba2\u9605\u7684\u8fde\u63a5，\u907f\u514d\u7ade\u4e89\u548c\u963b\u585e\u3002<\/li>\n
- \u591a\u7ebf\u7a0b：\n
- \n
- \u8ba2\u9605\u6d88\u606f\u7684\u76d1\u542c\u5728observer_channel_message()\u4e2d\u8fd0\u884c\u5728\u5355\u72ec\u7684\u7ebf\u7a0b，\u4fdd\u8bc1\u5f02\u6b65\u5904\u7406\u3002<\/li>\n<\/ul>\n<\/li>\n
- \u5185\u5b58\u7ba1\u7406：\n
- \n
- \u4f7f\u7528freeReplyObject()\u91ca\u653eredisReply\u8d44\u6e90\u3002<\/li>\n<\/ul>\n<\/li>\n
- \u547d\u4ee4\u6267\u884c：\n
- \n
- \u53d1\u5e03：redisCommand()<\/li>\n
- \u8ba2\u9605\/\u53d6\u6d88\u8ba2\u9605：redisAppendCommand()\u00a0+\u00a0redisBufferWrite()，\u907f\u514d\u963b\u585e\u8c03\u7528\u3002<\/li>\n<\/ul>\n<\/li>\n
- \u9519\u8bef\u5904\u7406：\n
- \n
- \u8fde\u63a5\u5931\u8d25\u548c\u547d\u4ee4\u5931\u8d25\u90fd\u8f93\u51fa\u9519\u8bef\u4fe1\u606f，\u8fd4\u56defalse\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\n\u603b\u7ed3：<\/h3>\n
\u8fd9\u4e2aRedis\u7c7b\u5c01\u88c5\u4e86Redis\u7684Pub\/Sub\u57fa\u672c\u64cd\u4f5c：<\/p>\n
- \n
- \u8fde\u63a5：connect()<\/li>\n
- \u53d1\u5e03\u6d88\u606f：publish()<\/li>\n
- \u8ba2\u9605\u9891\u9053：subscribe()<\/li>\n
- \u53d6\u6d88\u8ba2\u9605：unsubscribe()<\/li>\n
- \u5f02\u6b65\u76d1\u542c\u6d88\u606f：\u5728\u540e\u53f0\u7ebf\u7a0b\u4e2d\u81ea\u52a8\u8c03\u7528observer_channel_message()，\u6536\u5230\u6d88\u606f\u540e\u901a\u8fc7\u56de\u8c03\u901a\u77e5\u4e1a\u52a1\u903b\u8f91\u3002<\/li>\n
- \u56de\u8c03\u673a\u5236：\u7528\u6237\u53ef\u4ee5\u6ce8\u518c\u81ea\u5df1\u7684\u6d88\u606f\u5904\u7406\u51fd\u6570\u3002<\/li>\n<\/ul>\n
\u5b83\u5b9e\u73b0\u4e86\u5f02\u6b65\u8ba2\u9605\u6a21\u578b，\u80fd\u5f88\u597d\u5730\u5e94\u7528\u5728\u7c7b\u4f3c\u804a\u5929\u670d\u52a1\u5668\u3001\u5b9e\u65f6\u901a\u77e5\u7b49\u573a\u666f，\u975e\u5e38\u5b9e\u7528\u3002<\/p>\n
6.ChatServer\u7c7b<\/h2>\n
\u4f60\u7684\u4ee3\u7801\u57fa\u4e8e\u77e5\u540d\u7684\u00a0Muduo\u00a0\u7f51\u7edc\u5e93，\u5b9e\u73b0\u4e86\u4e00\u4e2a\u9ad8\u6548\u3001\u6613\u7ef4\u62a4\u7684\u804a\u5929\u670d\u52a1\u5668\u4e3b\u63a7\u7c7b\u3002\u4e0b\u9762\u6309\u7167\u7ed3\u6784\u2013\u6210\u5458\u53d8\u91cf\u2013\u6210\u5458\u65b9\u6cd5\u8be6\u7ec6\u5206\u6790：<\/p>\n
\n\u4e00\u3001ChatServer \u7c7b\u7684\u7ed3\u6784\u4f5c\u7528<\/h3>\n
ChatServer \u5c01\u88c5\u4e86\u5b9e\u9645\u7684\u7f51\u7edc\u670d\u52a1\u5668\u903b\u8f91，\u8d1f\u8d23：<\/p>\n
- \n
- \u521d\u59cb\u5316\u670d\u52a1\u5668\u3001\u8bbe\u7f6e\u53c2\u6570<\/li>\n
- \u76d1\u542c\u548c\u7ba1\u7406\u5ba2\u6237\u7aef\u8fde\u63a5<\/li>\n
- \u7ba1\u7406\u6d88\u606f\u6536\u53d1\u548c\u4e1a\u52a1\u5904\u7406<\/li>\n
- \u8c03\u5ea6\u4e8b\u4ef6\u5faa\u73af（\u4e8b\u4ef6\u9a71\u52a8）<\/li>\n<\/ul>\n
\n\u4e8c\u3001\u6210\u5458\u53d8\u91cf\u8bb2\u89e3<\/h3>\n
private:
\n TcpServer _server; \/\/ \u7ec4\u5408muduo\u5e93，\u5b9e\u73b0\u670d\u52a1\u5668\u529f\u80fd\u7684\u7c7b\u5bf9\u8c61
\n EventLoop *_loop; \/\/ \u6307\u5411\u4e8b\u4ef6\u5faa\u73af\u5bf9\u8c61（\u76f8\u5f53\u4e8e\u4e3b\u7ebf\u7a0b\u7684\u4e8b\u4ef6\u5206\u53d1\u5668）<\/p>\n1.\u00a0TcpServer _server<\/h4>\n
- \n
- Muduo \u4e2d\u5c01\u88c5\u7684 TCP \u670d\u52a1\u5668\u6838\u5fc3\u7c7b\u3002<\/li>\n
- \u80fd\u81ea\u52a8\u76d1\u542c\u7aef\u53e3，\u8d1f\u8d23\u5e95\u5c42 epoll\u3001\u591a\u7ebf\u7a0b I\/O\u3001\u8fde\u63a5\u7ba1\u7406\u7b49\u201c\u82e6\u529b\u6d3b\u201d\u3002<\/li>\n
- ChatServer \u901a\u8fc7\u5b83\u5b9e\u73b0\u4e0e\u5ba2\u6237\u7aef\u7684\u6240\u6709\u7f51\u7edc\u4ea4\u4e92\u3002<\/li>\n<\/ul>\n
2.\u00a0EventLoop *_loop<\/h4>\n
- \n
- \u4e8b\u4ef6\u5faa\u73af\u6307\u9488\u3002<\/li>\n
- \u5b9e\u9645\u4e0a\u662f\u4e3b Reactor \u7684\u4e8b\u4ef6\u5206\u53d1\u5668，\u7528\u4e8e\u54cd\u5e94 I\/O \u4e8b\u4ef6\u3002<\/li>\n<\/ul>\n
\n\u4e09\u3001\u6210\u5458\u65b9\u6cd5\u8be6\u89e3<\/h3>\n
\u6784\u9020\u51fd\u6570：ChatServer(EventLoop*, const InetAddress&, const string&)<\/h4>\n
ChatServer(EventLoop *loop, const InetAddress &listenAddr, const string &nameArg)
\n : _server(loop, listenAddr, nameArg), _loop(loop)
\n{
\n \/\/ \u6ce8\u518c\u94fe\u63a5\u56de\u8c03
\n _server.setConnectionCallback(std::bind(&ChatServer::onConnection, this, _1));
\n \/\/ \u6ce8\u518c\u6d88\u606f\u56de\u8c03
\n _server.setMessageCallback(std::bind(&ChatServer::onMessage, this, _1, _2, _3));
\n \/\/ \u8bbe\u7f6e\u7ebf\u7a0b\u6570\u91cf
\n _server.setThreadNum(4);
\n}<\/p>\n\u4f5c\u7528\u603b\u7ed3\u4e0e\u7ec6\u8282\u5206\u6790：<\/p>\n
- \n
- \u521d\u59cb\u5316\u00a0_server，\u544a\u8bc9 muduo \u7528\u54ea\u53f0\u4e3b\u673a IP\/\u7aef\u53e3\u76d1\u542c（listenAddr）\u3001\u53d6\u4ec0\u4e48\u540d\u5b57（nameArg）\u3001\u7528\u54ea\u4e2a event loop\u3002<\/li>\n
- setConnectionCallback()：\u7ed1\u5b9a"\u6709\u65b0\u8fde\u63a5\/\u65ad\u5f00"\u65f6\u6267\u884c\u00a0onConnection\u00a0\u65b9\u6cd5\u3002<\/li>\n
- setMessageCallback()：\u7ed1\u5b9a"\u6536\u5230\u6d88\u606f"\u65f6\u6267\u884c\u00a0onMessage\u00a0\u65b9\u6cd5\u3002<\/li>\n
- setThreadNum(4)：\u7528 4 \u4e2a\u5de5\u4f5c\u7ebf\u7a0b\u5904\u7406 I\/O，\u63d0\u5347\u541e\u5410\u91cf\u3002<\/li>\n<\/ul>\n
\nvoid start()<\/h4>\n
void ChatServer::start()
\n{
\n _server.start();
\n}<\/p>\n- \n
- \u771f\u6b63\u5730\u542f\u52a8\u670d\u52a1\u5668（\u8ba9 Muduo \u5f00\u59cb\u76d1\u542c\u5e76\u63a5\u6536\u5ba2\u6237\u7aef\u8fde\u63a5）\u3002<\/li>\n<\/ul>\n
\nvoid onConnection(const TcpConnectionPtr&)<\/h4>\n
void ChatServer::onConnection(const TcpConnectionPtr &conn)
\n{
\n \/\/ \u5ba2\u6237\u7aef\u65ad\u5f00\u94fe\u63a5
\n if (!conn->connected())
\n {
\n ChatService::instance()->clientCloseException(conn);
\n conn->shutdown();
\n }
\n}<\/p>\n\u6838\u5fc3\u4f5c\u7528：<\/p>\n
- \n
- \u8fd9\u662f\u8fde\u63a5\u72b6\u6001\u53d8\u5316\u65f6\u7684\u56de\u8c03（\u65b0\u8fde\u63a5\u6216\u65ad\u5f00）\u3002<\/li>\n
- \u5982\u679c\u8fde\u63a5\u65ad\u5f00，\u5219\u505a\u4ee5\u4e0b\u5904\u7406：\n
- \n
- \u901a\u77e5\u4e1a\u52a1\u670d\u52a1\u5c42\u8fdb\u884c\u8d26\u53f7\u3001\u6570\u636e\u7b49\u201c\u4e0b\u7ebf\u201d\u5904\u7406（clientCloseException）\u3002<\/li>\n
- \u4e3b\u52a8\u5173\u95ed socket（conn->shutdown()）\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\nvoid onMessage(const TcpConnectionPtr&, Buffer *, Timestamp)<\/h4>\n
void ChatServer::onMessage(const TcpConnectionPtr &conn, Buffer *buffer, Timestamp time)
\n{
\n string buf = buffer->retrieveAllAsString();
\n try {
\n json js = json::parse(buf);
\n \/\/ \u68c0\u67e5\u5fc5\u987b\u5b57\u6bb5
\n if (!js.contains("msgid")) {
\n throw json::exception("Missing 'msgid' field");
\n }
\n auto msgHandler = ChatService::instance()->getHandler(js["msgid"].get<int>());
\n msgHandler(conn, js, time);
\n }
\n catch (const json::exception& e) {
\n LOG_ERROR << "JSON parse error: " << e.what();
\n if (conn->connected()) {
\n json response;
\n response["msgid"] = INVALID_MSG_ACK;
\n response["errno"] = 400;
\n response["errmsg"] = "Invalid JSON format: " + string(e.what());
\n conn->send(response.dump());
\n }
\n }
\n catch (const exception& e) {
\n LOG_ERROR << "Message handling error: " << e.what();
\n }
\n}<\/p>\n\u8be6\u7ec6\u6d41\u7a0b：<\/p>\n
- \u62ff\u5230\u5b8c\u6574\u7f13\u51b2\u533a\u6570\u636e（\u6536\u5230\u7684\u4e00\u6b21\u6d88\u606f）\u3002<\/li>\n
- \u5c1d\u8bd5\u89e3\u6790\u4e3a JSON \u5bf9\u8c61\u3002<\/li>\n
- \u68c0\u67e5\u662f\u5426\u6709"msgid"\u5b57\u6bb5（\u51b3\u5b9a\u4e86\u672c\u6d88\u606f\u5e94\u8be5\u600e\u4e48\u5904\u7406）\u3002<\/li>\n
- \u8c03\u7528 ChatService::instance()->getHandler(msgid) \u627e\u5230\u5bf9\u5e94\u4e1a\u52a1\u5904\u7406\u51fd\u6570，\u7136\u540e\u628a\u6d88\u606f\u4f20\u7ed9\u5b83\u6267\u884c\u3002<\/li>\n
- \u5982\u679c\u89e3\u6790\u5931\u8d25\/\u6d88\u606f\u7ed3\u6784\u6709\u8bef，\u5219：\n
- \n
- \u6253\u65e5\u5fd7\u62a5\u9519<\/li>\n
- \u7ed9\u5ba2\u6237\u7aef\u8fd4\u56de\u9519\u8bef\u63d0\u793a<\/li>\n<\/ul>\n<\/li>\n
\u4f5c\u7528\u901a\u4fd7\u7406\u89e3：<\/p>\n
\u201c\u670d\u52a1\u5668\u6536\u5230\u5ba2\u6237\u53d1\u6765\u7684\u6d88\u606f，\u628a\u8fd9\u6d88\u606f\u5f53\u6210\u5feb\u9012\u5305\u88f9\u62c6\u5f00\u770b\u2014\u2014\u5feb\u9012\u5355\u4e0a\u5199\u7740\u5305\u88f9\u7c7b\u578b（msgid），\u7136\u540e\u6839\u636e\u7c7b\u578b\u5206\u7ed9\u5bf9\u5e94\u5458\u5de5（handler）\u5904\u7406\u3002\u62c6\u5feb\u9012\u51fa\u9519\u5c31\u5199\u4e2a\u53cd\u9988\u5355\u8fd8\u56de\u53bb\u3002\u201d<\/p>\n
\n\u56db\u3001\u8865\u5145\u8bf4\u660e<\/h3>\n
\u6210\u5458\u65b9\u6cd5\u4e4b\u95f4\u7684\u5173\u7cfb<\/h4>\n
- \n
- start\u00a0\u7528\u4e8e\u542f\u52a8\u670d\u52a1\u5668\u3002<\/li>\n
- onConnection\/onMessage\u00a0\u5e76\u4e0d\u662f\u4e3b\u52a8\u8c03\u7528，\u800c\u662f\u4e8b\u4ef6\u9a71\u52a8，\u5728\u6709\u8fde\u63a5\/\u6d88\u606f\u65f6\u88ab Muduo \u6846\u67b6\u81ea\u52a8\u8c03\u7528\u3002<\/li>\n
- \u4e8b\u4ef6\u54cd\u5e94\u673a\u5236\u548creactor\u601d\u60f3\u4e00\u81f4\u3002<\/li>\n<\/ul>\n
\u548c ChatService \u7684\u534f\u4f5c<\/h4>\n
ChatServer \u53ea\u7ba1\u7f51\u7edc\u90e8\u5206，\u5177\u4f53\u4e1a\u52a1\u5982\u4f55\u5904\u7406\u4ea4\u7531 ChatService，\u201c\u4e13\u4eba\u4e13\u804c\u201d，\u5927\u5927\u964d\u4f4e\u8026\u5408\u3002<\/p>\n
\n\u4e94\u3001\u603b\u7ed3<\/h3>\n
ChatServer \u6838\u5fc3\u6210\u5458&\u65b9\u6cd5\u6982\u89c8：<\/p>\n
\n
\u540d\u79f0\u7b80\u8981\u4f5c\u7528<\/tr>\n \n\n _server<\/td>\n Muduo \u7684 TCP \u670d\u52a1\u5668，\u8d1f\u8d23\u76d1\u542c\u548c\u901a\u4fe1\u3002<\/td>\n<\/tr>\n \n _loop<\/td>\n \u540d\u5b57\u53ebevent loop，\u4e8b\u4ef6\u6d3e\u53d1\u4e2d\u5fc3\u3002<\/td>\n<\/tr>\n \n start()<\/td>\n \u542f\u52a8\u670d\u52a1\u5668\u3002<\/td>\n<\/tr>\n \n onConnection()<\/td>\n \u68c0\u6d4b\u8fde\u63a5\/\u65ad\u5f00，\u5e76\u5728\u65ad\u5f00\u65f6\u4ea4\u7ed9\u4e1a\u52a1\u8fdb\u4e00\u6b65\u4e0b\u7ebf\u5904\u7406\u3002<\/td>\n<\/tr>\n \n onMessage()<\/td>\n \u6536\u5230\u5ba2\u6237\u7aef\u6570\u636e\u65f6\u89e3\u6790json，\u6839\u636e\u4e1a\u52a1\u7c7b\u578b\u5206\u53d1\u7ed9\u5177\u4f53handler\u5904\u7406；\u51fa\u95ee\u9898\u81ea\u52a8\u56de\u9519\u3002<\/td>\n<\/tr>\n \n \u6784\u9020\u51fd\u6570<\/td>\n \u521d\u59cb\u5316\u670d\u52a1\u5668\u53c2\u6570\u5e76\u6ce8\u518c\u5404\u56de\u8c03，\u6bcf\u4e00\u6b65\u90fd\u8ba9ChatServer\u505a\u6700\u64c5\u957f\u7684\u4e8b\u60c5\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u8fd9\u6837，\u4e0d\u4ec5\u4ee3\u7801\u7ed3\u6784\u6e05\u6670，\u800c\u4e14\u4fbf\u4e8e\u6269\u5c55\u548c\u7ef4\u62a4，\u662f\u9ad8\u6027\u80fd\u7f51\u7edc\u670d\u52a1\u63a8\u8350\u7684\u6a21\u5f0f！<\/p>\n
<\/h2>\n
7.chatservice\u7c7b<\/h2>\n
\u4f1a\u628a\u8fd9\u4e2aChatService\u7c7b\u4e2d\u7684\u6240\u6709\u6210\u5458\u53d8\u91cf\u548c\u65b9\u6cd5，\u9010\u4e2a\u8be6\u7ec6\u8bb2\u89e3，\u786e\u4fdd\u4f60\u7406\u89e3\u6bcf\u4e2a\u90e8\u5206\u7684\u4f5c\u7528\u3001\u8bbe\u8ba1\u601d\u60f3\u4ee5\u53ca\u5b83\u4eec\u7684\u5de5\u4f5c\u6d41\u7a0b，\u800c\u4e14\u4f1a\u5c3d\u529b\u7528\u901a\u4fd7\u6613\u61c2\u7684\u8bed\u8a00，\u8ba9\u4f60\u50cf\u542c\u6545\u4e8b\u4e00\u6837\u7406\u89e3\u8fd9\u4e2a\u201c\u804a\u5929\u670d\u52a1\u201d\u7cfb\u7edf\u3002<\/p>\n
\n\u4e00\u3001\u7c7b\u7684\u6574\u4f53\u67b6\u6784\u548c\u89d2\u8272\u5b9a\u4f4d<\/h3>\n
ChatService\u662f\u4e00\u4e2a\u201c\u804a\u5929\u670d\u52a1\u5668\u201d\u7684\u6838\u5fc3\u4e1a\u52a1\u7c7b（\u7ba1\u7406\u8005）\u3002\u5b83\u91c7\u7528\u5355\u4f8b\u6a21\u5f0f（\u786e\u4fdd\u6574\u4e2a\u7a0b\u5e8f\u4e2d\u53ea\u5b58\u5728\u552f\u4e00\u7684\u5b9e\u4f8b），\u8d1f\u8d23\u5904\u7406\u6240\u6709\u7684\u201c\u7528\u6237\u767b\u5f55\u3001\u6ce8\u518c\u3001\u70b9\u5bf9\u70b9\u804a\u5929\u3001\u7fa4\u804a\u3001\u597d\u53cb\u5173\u7cfb\u3001\u7fa4\u7ec4\u64cd\u4f5c\u201d\u7b49\u4e1a\u52a1\u903b\u8f91\u3002<\/p>\n
\n\u4e8c\u3001\u6210\u5458\u53d8\u91cf（\u8fd9\u4e2a\u7c7b\u5185\u90e8\u5b58\u7684\u201c\u5b58\u50a8\u7a7a\u95f4\u201d\u548c\u201c\u5de5\u5177\u7bb1\u201d）<\/h3>\n
1.\u00a0\u5355\u4f8b\u5b9e\u4f8b<\/h4>\n
static ChatService *instance();<\/p>\n
- \n
- \u4f5c\u7528：\u63d0\u4f9b\u8c03\u7528\u7684\u5165\u53e3，\u7528\u4e8e\u83b7\u53d6\u6216\u521b\u5efa\u552f\u4e00\u7684ChatService\u5b9e\u4f8b（\u5373\u5355\u4f8b\u8bbe\u8ba1\u6a21\u5f0f）\u3002<\/li>\n
- \u901a\u4fd7\u7406\u89e3：\u5c31\u50cf\u8d85\u5e02\u53ea\u6709\u4e00\u4e2a\u201c\u7ba1\u7406\u5458\u201d\u5b9e\u4f8b，\u8fd9\u4e2a\u65b9\u6cd5\u5e2e\u4f60\u62ff\u5230\u5b83\u3002<\/li>\n<\/ul>\n
\n2.\u00a0\u6d88\u606f\u5904\u7406\u6620\u5c04\u8868<\/h4>\n
unordered_map<int, MsgHandler> _msgHandlerMap;<\/p>\n
- \n
- \u4f5c\u7528：\u628a\u4e0d\u540c\u201c\u6d88\u606fID\u201d\u6620\u5c04\u5230\u5bf9\u5e94\u201c\u5904\u7406\u51fd\u6570\u201d\u3002<\/li>\n
- \u6bd4\u5982：\u767b\u5f55\u5bf9\u5e94login()\u51fd\u6570，\u6ce8\u518c\u5bf9\u5e94reg()\u51fd\u6570\u3002<\/li>\n
- \u901a\u4fd7\u7406\u89e3：\u5c31\u50cf\u83dc\u5355\u70b9\u83dc\u8868，\u70b9\u201c\u725b\u6392\u201d\u5c31\u77e5\u9053\u8981\u505a\u725b\u6392\u4e00\u6837\u3002<\/li>\n<\/ul>\n
\n3.\u00a0\u5728\u7ebf\u7528\u6237\u8fde\u63a5\u8868<\/h4>\n
unordered_map<int, TcpConnectionPtr> _userConnMap;<\/p>\n
- \n
- \u4f5c\u7528：\u5b58\u653e\u5df2\u767b\u5f55\u3001\u5728\u7ebf\u7528\u6237\u7684\u201c\u7528\u6237ID\u201d\u548c\u201c\u5bf9\u5e94\u7684TCP\u8fde\u63a5\u6307\u9488\u201d\u3002<\/li>\n
- \u7528\u9014：\u5f53\u9700\u8981\u5411\u67d0\u7528\u6237\u53d1\u6d88\u606f\u65f6，\u5148\u627e\u8fd9\u4e2a\u8868\u770b\u7528\u6237\u662f\u5426\u5728\u7ebf，\u5728\u7ebf\u4e86\u5c31\u53ef\u4ee5\u76f4\u63a5\u63a8\u9001\u6d88\u606f\u3002<\/li>\n
- \u901a\u4fd7\u7406\u89e3：\u50cf\u201c\u7535\u8bdd\u7c3f\u201d，\u5b58\u7740\u6bcf\u4e2a\u8c01\u5728\u7ebf\u3001\u7528\u54ea\u4e2a\u7535\u8bdd（\u8fde\u63a5）\u3002<\/li>\n<\/ul>\n
4.\u00a0\u8fde\u63a5\u4e92\u65a5\u9501<\/h4>\n
mutex _connMutex;<\/p>\n
- \n
- \u4f5c\u7528：\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e0b，\u4fdd\u8bc1\u5bf9_userConnMap\u7684\u64cd\u4f5c（\u589e\u5220\u6539\u67e5）\u662f\u5b89\u5168\u7684\u3002<\/li>\n
- \u4e3a\u4f55\u9700\u8981：\u56e0\u4e3a\u53ef\u80fd\u6709\u591a\u4e2a\u8fde\u63a5\u540c\u65f6\u64cd\u4f5c\u8fd9\u4e2a\u8868，\u6bd4\u5982\u4e00\u4e2a\u7528\u6237\u521a\u767b\u5f55\u3001\u767b\u51fa，\u6216\u670d\u52a1\u5668\u5728\u540c\u65f6\u5904\u7406\u591a\u4e2a\u8bf7\u6c42\u3002<\/li>\n<\/ul>\n
\n5.\u00a0\u6570\u636e\u6a21\u578b\u5bf9\u8c61（\u64cd\u4f5c\u6570\u636e\u5e93）<\/h4>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
UserModel _userModel;
\nOfflineMsgModel _offlineMsgModel;
\nFriendModel _friendModel;
\nGroupModel _groupModel;<\/p>\n- \n
- \u4f5c\u7528：\u5c01\u88c5\u4e86\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u5c01\u88c5\u7c7b（\u64cd\u4f5c\u7528\u6237\u4fe1\u606f，\u79bb\u7ebf\u6d88\u606f，\u597d\u53cb\u5173\u7cfb，\u7fa4\u7ec4\u4fe1\u606f）\u3002<\/li>\n
- \u4f8b\u5b50：\n
- \n
- _userModel：\u67e5\u8be2\u6216\u66f4\u65b0\u7528\u6237\u4fe1\u606f\u3002<\/li>\n
- _offlineMsgModel：\u5b58\u50a8\u6216\u8bfb\u53d6\u79bb\u7ebf\u6d88\u606f\u3002<\/li>\n
- _friendModel：\u7ba1\u7406\u597d\u53cb\u5173\u7cfb（\u6dfb\u52a0\u597d\u53cb\u7b49）\u3002<\/li>\n
- _groupModel：\u7ba1\u7406\u7fa4\u804a\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
6.\u00a0Redis\u64cd\u4f5c\u5bf9\u8c61<\/h4>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
Redis _redis;<\/p>\n
- \n
- \u4f5c\u7528：\u5c01\u88c5\u4e86\u4e0eRedis（\u4e00\u4e2a\u9ad8\u901f\u7684\u6570\u636e\u5e93\u548c\u6d88\u606f\u961f\u5217\u7cfb\u7edf）\u7684\u4ea4\u4e92，\u7528\u4e8e\u5b9e\u73b0\u201c\u8de8\u8fdb\u7a0b\u201d\u3001\u201c\u591a\u670d\u52a1\u5668\u201d\u7684\u6d88\u606f\u63a8\u9001\u548c\u8ba2\u9605\u3002<\/li>\n<\/ul>\n
\n\u4e09\u3001\u4e3b\u8981\u65b9\u6cd5（\u4e1a\u52a1\u903b\u8f91\u6267\u884c\u7684\u201c\u6280\u80fd\u201d）<\/h3>\n
1.\u00a0\u83b7\u53d6\u5355\u4f8b\u5b9e\u4f8b<\/h4>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
static ChatService *instance();<\/p>\n
- \n
- \u4f5c\u7528：\u8fd4\u56de\u5168\u5c40\u552f\u4e00\u7684ChatService\u5bf9\u8c61，\u786e\u4fdd\u7a0b\u5e8f\u4e2d\u53ea\u6709\u4e00\u4e2a\u201c\u804a\u5929\u670d\u52a1\u201d\u3002<\/li>\n
- \u5b9e\u73b0：\u7528\u201c\u9759\u6001\u5c40\u90e8\u53d8\u91cf\u201d，\u4fdd\u8bc1\u53ea\u521b\u5efa\u4e00\u6b21\u3002<\/li>\n<\/ul>\n
\n2.\u00a0\u6784\u9020\u51fd\u6570（\u6ce8\u518c\u6d88\u606f-handler）<\/h4>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
ChatService::ChatService()<\/p>\n
- \n
- \u4f5c\u7528：\n
- \n
- \u521d\u59cb\u5316\u5404\u79cd\u6d88\u606fID\u548c\u5bf9\u5e94\u7684\u8bf7\u6c42\u5904\u7406\u51fd\u6570\u7684\u6620\u5c04\u5173\u7cfb\u3002<\/li>\n
- \u94fe\u63a5（\u8fde\u63a5）Redis，\u4e3a\u540e\u7eed\u6d88\u606f\u8ba2\u9605\u505a\u51c6\u5907\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\u6ce8\u518c\u6d88\u606f\u54cd\u5e94（\u901a\u8fc7bind\u7ed1\u5b9a\u5bf9\u5e94\u6210\u5458\u51fd\u6570）<\/h5>\n
- \n
- \n
login\u6ce8\u518c\u5230LOGIN_MSG<\/p>\n<\/li>\n
- \n
register\u6ce8\u518c\u5230REG_MSG<\/p>\n<\/li>\n
- \n
oneChat\u6ce8\u518c\u5230ONE_CHAT_MSG<\/p>\n<\/li>\n
- \n
\u8fd8\u6709\u597d\u53cb\u6dfb\u52a0\u3001\u521b\u5efa\u7fa4\u3001\u52a0\u5165\u7fa4\u3001\u7fa4\u804a\u7684\u5904\u7406\u65b9\u6cd5\u3002<\/p>\n<\/li>\n
- \n
\u901a\u4fd7\u7406\u89e3：\u50cf\u6253\u7535\u8bdd\u65f6\u62e8\u901a\u4e0d\u540c\u53f7\u7801\u8c03\u7528\u4e0d\u540c\u5c0f\u59d0\u59d0\u7684\u670d\u52a1\u3002<\/p>\n<\/li>\n<\/ul>\n
\n3.\u00a0\u4e1a\u52a1\u91cd\u7f6e（\u91cd\u8981）<\/h4>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
void reset();<\/p>\n
- \n
- \u4f5c\u7528：\n
- \n
- \u5728\u670d\u52a1\u5668\u5f02\u5e38\u6216\u91cd\u542f\u65f6\u8c03\u7528\u3002<\/li>\n
- \u5c06\u6240\u6709\u201c\u5df2\u767b\u5f55\u7684\u7528\u6237\u201d\u72b6\u6001\u91cd\u7f6e\u4e3a\u201c\u79bb\u7ebf\u201d\u72b6\u6001（\u786e\u4fdd\u72b6\u6001\u540c\u6b65\u771f\u5b9e\u60c5\u51b5）\u3002<\/li>\n<\/ul>\n<\/li>\n
- \u8c03\u7528\u573a\u666f：\u7cfb\u7edf\u5d29\u6e83\u540e，\u6062\u590d\u6b63\u5e38\u5de5\u4f5c\u72b6\u6001\u3002<\/li>\n<\/ul>\n
\n4.\u00a0\u83b7\u53d6\u7279\u5b9a\u201c\u6d88\u606f\u7c7b\u578b\u201d\u5bf9\u5e94\u7684\u5904\u7406\u51fd\u6570<\/h4>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
MsgHandler getHandler(int msgid);<\/p>\n
- \n
- \u4f5c\u7528：\n
- \n
- \u8f93\u5165msgid，\u8fd4\u56de\u5bf9\u5e94\u7684\u5904\u7406\u51fd\u6570（\u51fd\u6570\u6307\u9488\u6216lambda）\u3002<\/li>\n
- \u5982\u679c\u627e\u4e0d\u5230，\u5c31\u8fd4\u56de\u4e00\u4e2a\u201c\u9519\u8bef\u5904\u7406\u5668\u201d\u3002<\/li>\n<\/ul>\n<\/li>\n
- \u8bbe\u8ba1\u4eae\u70b9：\n
- \n
- \u52a8\u6001\u8def\u7531：\u524d\u7aef\u53d1\u7684\u4e0d\u540c\u6d88\u606f\u4f1a\u88ab\u8def\u7531\u5230\u4e0d\u540c\u7684\u5904\u7406\u51fd\u6570\u53bb\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\n5.\u00a0\u5404\u7c7b\u5177\u4f53\u4e1a\u52a1\u7684\u5904\u7406\u65b9\u6cd5（\u8be6\u7ec6\u8bb2\u89e3）<\/h4>\n
login()\u767b\u9646\u6d41\u7a0b<\/h5>\n
- \n
- \u8f93\u5165：\u7528\u6237ID\u3001\u5bc6\u7801\u3002<\/li>\n
- \u903b\u8f91：-\u67e5\u8be2\u7528\u6237\u4fe1\u606f，\u9a8c\u8bc1\u5bc6\u7801\u3002-\u7528\u6237\u5df2\u5728\u7ebf，\u63d0\u793a\u91cd\u590d\u767b\u5f55，\u5426\u5219：-\u5b58\u7528\u6237\u540d\u548c\u8fde\u63a5\u5173\u7cfb\u5230_userConnMap，\u65b9\u4fbf\u63a8\u9001\u3002-\u5728Redis\u8ba2\u9605\u9891\u9053（\u65b9\u4fbf\u8de8\u670d\u52a1\u901a\u77e5）\u3002-\u66f4\u65b0\u7528\u6237\u72b6\u6001\u4e3a\u5728\u7ebf\u3002-\u8fd4\u56de\u7528\u6237\u4fe1\u606f（\u5305\u62ec\u79bb\u7ebf\u6d88\u606f\u3001\u597d\u53cb\u5217\u8868\u3001\u7fa4\u7ec4\u4fe1\u606f）\u3002<\/li>\n
- \u4f5c\u7528：\u5b9e\u73b0\u5b9e\u9645\u201c\u767b\u9646\u201d\u529f\u80fd\u3002<\/li>\n<\/ul>\n
reg()\u6ce8\u518c<\/h5>\n
- \n
- \u8f93\u5165：\u7528\u6237\u540d\u3001\u5bc6\u7801\u3002<\/li>\n
- \u903b\u8f91：-\u6821\u9a8c\u683c\u5f0f\u3001\u957f\u5ea6\u3002-\u5b58\u5165\u6570\u636e\u5e93\u3002-\u8fd4\u56de\u6210\u529f\u6216\u5931\u8d25\u3002<\/li>\n<\/ul>\n
loginout()\u9000\u51fa\/\u6ce8\u9500<\/h5>\n
- \n
- \u4f5c\u7528：-\u4ece\u6d3b\u8dc3\u8fde\u63a5\u4e2d\u5220\u9664\u7528\u6237\u3002-\u5728Redis\u53d6\u6d88\u8ba2\u9605\u67d0\u6e20\u9053（\u8ba9\u5176\u4ed6\u670d\u52a1\u5668\u77e5\u9053\u8be5\u7528\u6237\u5df2\u79bb\u7ebf）\u3002-\u66f4\u65b0\u6570\u636e\u5e93\u7528\u6237\u72b6\u6001\u3002<\/li>\n<\/ul>\n
clientCloseException()<\/h5>\n
- \n
- \u4f5c\u7528：\n
- \n
- \u5904\u7406\u5ba2\u6237\u7aef\u5f02\u5e38\u65ad\u5f00\u8fde\u63a5（\u6bd4\u5982\u7a81\u7136\u5173\u95ed\u7a97\u53e3，\u6ca1\u6709\u6b63\u5e38\u9000\u51fa）\u3002<\/li>\n
- \u7c7b\u4f3cloginout，\u6e05\u9664\u8fde\u63a5，\u66f4\u65b0\u72b6\u6001\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
oneChat()\u70b9\u5bf9\u70b9\u804a\u5929<\/h5>\n
- \n
- \u8f93\u5165：\u63a5\u6536\u65b9toid，\u6d88\u606f\u5185\u5bb9\u3002<\/li>\n
- \u673a\u5236：-\u7b2c\u4e00\u6b65：\u627e_userConnMap，\u770b\u770b\u5bf9\u65b9\u662f\u5426\u5728\u7ebf（\u76f4\u63a5\u63a8）\u3002-\u7b2c\u4e8c\u6b65：\u5982\u4e0d\u5728\u7ebf，\u5219\u5b58\u79bb\u7ebf\u6d88\u606f\u3002-\u7b2c\u4e09\u6b65：\u5982\u679c\u5bf9\u65b9\u5728\u7ebf\u4f46\u4e0d\u5728\u81ea\u5df1\u670d\u52a1\u5668（\u5047\u8bbe\u591a\u8282\u70b9），\u5c31\u7528Redis\u53d1\u5e03\u6d88\u606f，\u5176\u4ed6\u8282\u70b9\u4f1a\u6536\u4fe1\u606f\u3002<\/li>\n<\/ul>\n
addFriend()\u6dfb\u52a0\u597d\u53cb<\/h5>\n
- \n
- \u8f93\u5165：\u81ea\u5df1ID\u548c\u597d\u53cbID\u3002<\/li>\n
- \u64cd\u4f5c：\u5b58\u5165\u597d\u53cb\u5173\u7cfb\u8868\u3002<\/li>\n<\/ul>\n
createGroup()<\/h5>\n
- \n
- \u8f93\u5165：\u53d1\u8d77\u4ebaID\u3001\u7fa4\u7ec4\u540d\u3001\u63cf\u8ff0\u3002<\/li>\n
- \u64cd\u4f5c：-\u5728\u6570\u636e\u5e93\u4e2d\u521b\u5efa\u65b0\u7fa4\u3002-\u5c06\u53d1\u8d77\u4eba\u52a0\u5165\u8be5\u7fa4（\u6743\u9650\u8bbe\u4e3a\u201ccreator\u201d）\u3002<\/li>\n<\/ul>\n
addGroup()\u52a0\u5165\u7fa4\u7ec4<\/h5>\n
- \n
- \u8f93\u5165：\u7528\u6237ID\u3001\u7fa4ID\u3002<\/li>\n
- \u64cd\u4f5c：\u5c06\u7528\u6237\u52a0\u5165\u7fa4\u7ec4\u3002<\/li>\n<\/ul>\n
groupChat()\u7fa4\u804a<\/h5>\n
- \n
- \u8f93\u5165：\u7fa4ID\u3001\u7fa4\u6210\u5458\u6d88\u606f\u3002<\/li>\n
- \u4f5c\u7528：\n
- \n
- \u4e2d\u8f6c\u6d88\u606f：\n
- \n
- \u5148\u627e\u6210\u5458\u5728\u4e0d\u5728\u7ebf（\u5728\u81ea\u5df1\u8fde\u63a5map\u91cc）\u3002<\/li>\n
- \u5728\u7ebf\u4e86\u63a8\u9001\u3002<\/li>\n
- \u4e0d\u5728\u7ebf\u5b58\u79bb\u7ebf\u6d88\u606f（\u5b58\u5230\u6570\u636e\u5e93\u4e2d）\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\n6.\u00a0\u5904\u7406Redis\u8ba2\u9605\u6d88\u606f<\/h4>\n
\u590d\u5236\u4ee3\u7801<\/p>\n
void handleRedisSubscribeMessage(int, string);<\/p>\n
- \n
- \u4f5c\u7528：\n
- \n
- \u5176\u4ed6\u670d\u52a1\u5668\u53d1\u5e03\u540c\u6b65\u6d88\u606f\u540e，\u8c03\u7528\u6b64\u51fd\u6570\u3002<\/li>\n
- \u627e\u5230\u5bf9\u5e94\u7684\u7528\u6237\u8fde\u63a5，\u5982\u679c\u5728，\u63a8\u9001\u6d88\u606f\u3002<\/li>\n<\/ul>\n
-\u5426\u5219，\u5b58\u79bb\u7ebf\u6d88\u606f\u3002<\/li>\n<\/ul>\n
\n\u56db\u3001\u91cd\u70b9\u603b\u7ed3（\u901a\u4fd7\u7248）<\/h3>\n
- \n
- ChatService\u5c31\u50cf\u4e00\u4e2a\u201c\u6307\u6325\u5b98\u201d，\u534f\u8c03\u6240\u6709\u804a\u5929\u76f8\u5173\u7684\u64cd\u4f5c\u3002<\/li>\n
- \u5b58\u653e\u201c\u7528\u6237\u548c\u8fde\u63a5\u5173\u7cfb\u201d，\u65b9\u4fbf\u4e3b\u52a8\u201c\u53d1\u6d88\u606f\u7ed9\u7528\u6237\u201d\u3002<\/li>\n
- \u6709\u4e8b\u6ce8\u518c\u201c\u4e8b\u4ef6\u5904\u7406\u5668\u201d：\u4e0d\u540c\u7684ID\u5bf9\u5e94\u4e0d\u540c\u64cd\u4f5c（\u767b\u5f55\u3001\u6ce8\u518c\u3001\u804a\u5929\u3001\u7fa4\u804a）\u3002<\/li>\n
- \u5229\u7528Redis\u5b9e\u73b0\u591a\u670d\u52a1\u6d88\u606f\u540c\u6b65\u3002<\/li>\n
- \u6bcf\u4e2a\u4e1a\u52a1\u90fd\u662f\u5c01\u88c5\u597d\u7684\u51fd\u6570：\u767b\u5f55\u3001\u6ce8\u518c\u3001\u70b9\u5bf9\u70b9\u804a\u5929\u7b49\u3002<\/li>\n
- \u6574\u4f53\u8bbe\u8ba1\u9ad8\u6269\u5c55\u6027\u3001\u7ebf\u7a0b\u5b89\u5168\u3001\u7ed3\u6784\u6e05\u6670\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
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- \u4f5c\u7528：\n
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- \u6bcf\u6b21\u64cd\u4f5c\u90fd\u65b0\u5efa\u6570\u636e\u5e93\u8fde\u63a5，\u4e0d\u590d\u7528\u8fde\u63a5，\u53ef\u80fd\u5f71\u54cd\u6548\u7387\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
- \n
- \u8fd9\u4e2a\u7c7b\u8bbe\u8ba1\u4e2d\u6ca1\u6709\u6301\u4e45\u7684\u6210\u5458\u53d8\u91cf，\u6bcf\u6b21\u64cd\u4f5c\u65f6\u90fd\u65b0\u5efaMySQL\u5bf9\u8c61\u4ee5\u8fde\u63a5\u6570\u636e\u5e93\u3002\u8fd9\u662f\u4e00\u79cd\u7b80\u5355\u5b9e\u73b0，\u9002\u5408\u5173\u7cfb\u4e0d\u9891\u7e41\u53d8\u52a8\u7684\u573a\u666f\u3002<\/li>\n<\/ul>\n
- \n
- \n
- \n
- \u6784\u9020SQL\u8bed\u53e5，\u683c\u5f0f\u4e3a：\n
- \u529f\u80fd：\u00a0\u67e5\u8be2\u67d0\u4e2a\u7528\u6237\u7684\u6240\u6709\u597d\u53cb，\u8fd4\u56de\u4e00\u4e2aUser\u5bf9\u8c61\u7684\u5411\u91cf（\u597d\u53cb\u5217\u8868）\u3002<\/li>\n<\/ul>\n
- \u529f\u80fd：\u00a0\u5728\u597d\u53cb\u5173\u7cfb\u8868\u4e2d\u63d2\u5165\u4e00\u6761\u65b0\u7684\u597d\u53cb\u5173\u7cfb\u3002<\/li>\n<\/ul>\n
- \u4f7f\u7528\u00a0muduo\/base\/Logging.h\u00a0\u63d0\u4f9b\u7684\u65e5\u5fd7\u5b8f\u00a0LOG_INFO\u00a0\u548c\u00a0LOG_ERROR，\u65b9\u4fbf\u8c03\u8bd5\u548c\u76d1\u63a7\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
- \n
- MYSQL_RES*：\u7ed3\u679c\u96c6\u6307\u9488，\u8c03\u7528\u8005\u9700\u8d1f\u8d23\u91ca\u653e\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n