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项目：电子词典

作者：qweqwe | 来源：互联网 | 2023-09-01 09:07

项目要求服务器：所需头文件：linklist.hSerOperation.h所需源文件：linklist.cSerOperation.c主

项目要求

服务器&＃xff1a;

所需头文件&＃xff1a;linklist.h SerOperation.h

所需源文件&＃xff1a;linklist.c SerOperation.c

主函数源文件&＃xff1a;Ser.c

linklist.h&＃xff1a;

#ifndef __LINKLIST_H__ #define __LINKLIST_H__#include #include #include #define N 128typedef struct Node{char msg[N];struct Node *next; }linkList;linkList *list_creat();linkList *node_buy(char *str);int list_empty(linkList *h);int list_insert_head(linkList *h,char *str);int list_delete(linkList *h,char *str);int list_delete_head(linkList *h);int list_destroy(linkList *h);#endif

SerOperation.h&＃xff1a;

#ifndef __SEROPERATION_H__ #define __SEROPERATION_H__#include #include #include #include "./linklist.h" #include #include #include #include #include #include #define ERR_MSG(msg1,msg2) do{\fprintf(stderr,"__%s__ __%d__\n",__func__,__LINE__);\fprintf(stderr,"%s : %s\n",msg1,msg2);\ }while(0)//创建数据库 sqlite3 *create_database();//删除表 int drop_table();//关闭数据库 int close_database(sqlite3 *db);//单词导入数据库--数据库操作 int import_words(sqlite3 *db);//用户注册--数据库操作 int user_register(sqlite3 *db,char *username,char *password,char *dest);//用户登录--数据库操作 int user_login(sqlite3 *db,char *username,char *password,char *dest);//查询单词--数据库操作 linkList *select_word(sqlite3 *db,char *word,char *username);//记录历史查询信息--数据库操作 int insert_history(sqlite3 *db,char *word,char *username,linkList *head);//查看历史查询信息--数据库操作 linkList *select_history(sqlite3 *db,char *username);//处理接收到的客户端消息 int deal_rcvmsg(char *rcvmsg);//处理客户端的注册请求 int do_register(int newfd,sqlite3 *db,char *rcvmsg);//修改用户状态为在线 int update_state_online(sqlite3 *db,char *username);//修改用户状态为离线 int update_state_offline(sqlite3 *db,char *username);//处理客户端的登录请求 int do_login(int newfd,sqlite3 *db,char *rcvmsg);//处理客户端的查询单词请求 int do_select_world(int newfd,sqlite3 *db,char *username,char *rcvmsg);//处理客户端的查看历史信息请求 int do_select_history(int newfd,sqlite3 *db,char *username);//减少TCP的粘包问题 int writen(int fd,char *msg,int size); int mysendMsg(int fd,char *msg,int size); int readn(int fd,char *msg,int size); int myrecvMsg(int fd,char **msg);#endif

linklist.c&＃xff1a;

#include "linklist.h"//头节点的创建 linkList *list_creat() {linkList *h&＃61;(linkList *)malloc(sizeof(linkList));if(NULL&＃61;&＃61;h){return NULL;}h->next&＃61;NULL;return h; }//申请节点 linkList *node_buy(char *str) {linkList *p&＃61;(linkList *)malloc(sizeof(linkList));if(NULL&＃61;&＃61;p){return NULL;}strcpy(p->msg,str);p->next&＃61;NULL;return p; }//判空 int list_empty(linkList *h) {if(NULL&＃61;&＃61;h){return -1;}return h->next&＃61;&＃61;NULL ? 1 : 0; }//头插法 int list_insert_head(linkList *h,char *str) {if(NULL&＃61;&＃61;h){return -1;}linkList *l&＃61;node_buy(str);if(NULL&＃61;&＃61;l){return -2;}l->next&＃61;h->next;h->next&＃61;l;return 0; }//删除目标 int list_delete(linkList *h,char *str) {if(NULL&＃61;&＃61;h){return -1;}if(list_empty(h)){return -2;}linkList *p&＃61;h->next;while(p->next!&＃61;NULL){if(strcmp(p->msg,str)&＃61;&＃61;0)break;elsep&＃61;p->next;}while(h->next!&＃61;p){h&＃61;h->next;}h->next&＃61;p->next;free(p);return 0; }//头删 int list_delete_head(linkList *h) {if(NULL&＃61;&＃61;h){return -1;}if(!list_empty(h)){linkList *p&＃61;h->next;h->next&＃61;p->next;free(p);}else{return -1;}return 0; }//销毁链表 int list_destroy(linkList *h) {while(list_delete_head(h)&＃61;&＃61;0);free(h);h&＃61;NULL;return 0; }

SerOperation.c&＃xff1a;

#include "./SerOperation.h"//创建数据库 sqlite3 *create_database() {sqlite3 *db&＃61;NULL;char *msg&＃61;NULL;char buf[128]&＃61;"";if(sqlite3_open("./SerDB.db",&db)!&＃61;SQLITE_OK){ERR_MSG("create database fail",sqlite3_errmsg(db));return NULL;}//创建存储用户信息表格及在线状态bzero(buf,sizeof(buf));sprintf(buf,"create table if not exists usermsg (username char primary key,password char,state char)");if(sqlite3_exec(db,buf,NULL,NULL,&msg)!&＃61;SQLITE_OK){ERR_MSG("create usermsg table fail",msg);return NULL;}//创建四级单词存储表格bzero(buf,sizeof(buf));sprintf(buf,"create table if not exists wordsmsg (word char,annotation char)");if(sqlite3_exec(db,buf,NULL,NULL,&msg)!&＃61;SQLITE_OK){ERR_MSG("create wordsmsg table fail",msg);return NULL;}fprintf(stdout,"create database success\n");return db; }//删除单词的表&＃xff0c;防止服务器重启时重复导入单词 int drop_table() {sqlite3 *db&＃61;NULL;char *msg&＃61;NULL;char buf[128]&＃61;"";if(sqlite3_open("./SerDB.db",&db)!&＃61;SQLITE_OK){ERR_MSG("open database fail",sqlite3_errmsg(db));return -1;}bzero(buf,sizeof(buf));sprintf(buf,"drop table wordsmsg");if(sqlite3_exec(db,buf,NULL,NULL,&msg)!&＃61;SQLITE_OK){ERR_MSG("drop table fail",msg);return -1;}close_database(db);db&＃61;NULL;return 0; }//关闭数据库 int close_database(sqlite3 *db) {if(sqlite3_close(db)!&＃61;SQLITE_OK){ERR_MSG("close database fail",sqlite3_errmsg(db));return -1;}fprintf(stdout,"close database success\n");return 0; }//单词导入数据库--数据库操作 int import_words(sqlite3 *db) {char *msg&＃61;NULL;char *ch;int i&＃61;0;char buf[128]&＃61;"";char str[64]&＃61;"";char word[32]&＃61;"";char mean[32]&＃61;"";FILE *fd&＃61;fopen("./dict.txt","r");if(fd&＃61;&＃61;NULL){perror("fopen fail");return -1;}while(1){bzero(word,sizeof(word));bzero(mean,sizeof(mean));bzero(str,sizeof(str));i&＃61;0;if(fgets(str,sizeof(str),fd)&＃61;&＃61;NULL){break;}str[strlen(str)-1]&＃61;&＃39;\0&＃39;;ch&＃61;str&＃43;i;while(*ch!&＃61;&＃39;\0&＃39;){if(*ch&＃61;&＃61;&＃39; &＃39; && *(ch&＃43;1)&＃61;&＃61;&＃39; &＃39;){break;}i&＃43;&＃43;;ch&＃61;str&＃43;i;}str[i]&＃61;&＃39;\0&＃39;;strcpy(word,str);strcpy(mean,str&＃43;i&＃43;3);sprintf(buf,"insert into wordsmsg values (\"%s\",\"%s\")",word,mean);if(sqlite3_exec(db,buf,NULL,NULL,&msg)!&＃61;SQLITE_OK){ERR_MSG("import word fail",msg);return -1;}}fclose(fd);fprintf(stdout,"import words success\n"); }//用户注册--数据库操作 int user_register(sqlite3 *db,char *username,char *password,char *dest) {char *msg&＃61;NULL;char buf[128]&＃61;"";char src[64]&＃61;"";char state[]&＃61;"offline";int len&＃61;0;sprintf(buf,"insert into usermsg values (\"%s\",\"%s\",\"%s\")",username,password,state);if(sqlite3_exec(db,buf,NULL,NULL,&msg)!&＃61;SQLITE_OK){sprintf(src,"register fail : username is exists!");len&＃61;strlen(src);strcpy(dest,src);return len;}sprintf(src,"register success!");len&＃61;strlen(src);strcpy(dest,src);return len; }//用户登录--数据库操作 int user_login(sqlite3 *db,char *username,char *password,char *dest) {char buf[128]&＃61;"";char src[64]&＃61;"";char *msg&＃61;NULL;char **restr&＃61;NULL;int len&＃61;0;int row&＃61;0;int column&＃61;0;sprintf(buf,"select * from usermsg where username&＃61;\"%s\"",username);if(sqlite3_get_table(db,buf,&restr,&row,&column,&msg)!&＃61;SQLITE_OK){ERR_MSG("get usermsg fail",msg);return -1;}if(row&＃61;&＃61;0){sprintf(src,"login fail : username inexistence!");len&＃61;strlen(src);strcpy(dest,src);}else{if(strcmp(restr[4],password)&＃61;&＃61;0){if(strcmp(restr[5],"offline")&＃61;&＃61;0){sprintf(src,"login success!");len&＃61;strlen(src);strcpy(dest,src);bzero(buf,sizeof(buf));//登录成功&＃xff0c;创建一个以用户名命名的表&＃xff0c;用来存储用户历史查询信息sprintf(buf,"create table if not exists %s (word char,annotation char,time char)",username);if(sqlite3_exec(db,buf,NULL,NULL,&msg)!&＃61;SQLITE_OK){ERR_MSG("create historymsg table fail",msg);return -1;}//设置为在线状态update_state_online(db,username);}else{sprintf(src,"The user is online!");len&＃61;strlen(src);strcpy(dest,src);}}else{sprintf(src,"login fail : password error!");len&＃61;strlen(src);strcpy(dest,src);}}sqlite3_free_table(restr);return len; }//查询单词,用链表存储查询到的单词信息&＃xff0c;防止一词多义 linkList *select_word(sqlite3 *db,char *word,char *username) {char buf[128]&＃61;"";char *msg&＃61;NULL;char **restr&＃61;NULL;int row&＃61;0;int column&＃61;0;linkList *head&＃61;list_creat();sprintf(buf,"select annotation from wordsmsg where word&＃61;\"%s\"",word);if(sqlite3_get_table(db,buf,&restr,&row,&column,&msg)!&＃61;SQLITE_OK){ERR_MSG("get words fail",msg);return NULL;}if(row&＃61;&＃61;0){list_insert_head(head,"Not found!"); }else{for(int i&＃61;row;i>0;i--){list_insert_head(head,restr[i]);}}//记录历史信息insert_history(db,word,username,head);sqlite3_free_table(restr);return head; }//记录历史信息--数据库操作 int insert_history(sqlite3 *db,char *word,char *username,linkList *head) {char buf[256]&＃61;"";char tminfo[64]&＃61;"";char *msg&＃61;NULL;time_t tocl&＃61;time(NULL);struct tm *info&＃61;localtime(&tocl);sprintf(tminfo,"%d-%02d-%02d %02d:%02d:%02d",\info->tm_year&＃43;1900,info->tm_mon&＃43;1,info->tm_mday,\info->tm_hour,info->tm_min,info->tm_sec);while(head->next!&＃61;NULL){head&＃61;head->next;sprintf(buf,"insert into %s values (\"%s\",\"%s\",\"%s\")",\username,word,head->msg,tminfo);if(sqlite3_exec(db,buf,NULL,NULL,&msg)!&＃61;SQLITE_OK){ERR_MSG("insert historymsg fail",msg);return -1;}}return 0; }//查看历史查询信息,用链表存储查询到的历史信息 linkList *select_history(sqlite3 *db,char *username) {char buf[128]&＃61;"";char *msg&＃61;NULL;char **restr&＃61;NULL;int row&＃61;0;int column&＃61;0;linkList *head&＃61;list_creat();sprintf(buf,"select * from %s",username);if(sqlite3_get_table(db,buf,&restr,&row,&column,&msg)!&＃61;SQLITE_OK){ERR_MSG("get historymsg fail",msg);return NULL;}if(row&＃61;&＃61;0){list_insert_head(head,"当前历史信息为空!"); }else{for(int i&＃61;row*column-1;i>&＃61;0;i--){list_insert_head(head,restr[i&＃43;3]);}}sqlite3_free_table(restr);return head; }//处理接收到的客户端消息 int deal_rcvmsg(char *rcvmsg) {int i&＃61;0;char *ch&＃61;rcvmsg&＃43;i;while(1){if(*ch&＃61;&＃61;&＃39;#&＃39; && *(ch&＃43;1)&＃61;&＃61;&＃39;#&＃39;){return i;}i&＃43;&＃43;;ch&＃61;rcvmsg&＃43;i;}return 0; }//处理客户端的注册请求 int do_register(int newfd,sqlite3 *db,char *rcvmsg) {int index&＃61;0;int size&＃61;0;char sndmsg[256]&＃61;"";char username[64]&＃61;"";char password[64]&＃61;"";index&＃61;deal_rcvmsg(rcvmsg);rcvmsg[index]&＃61;&＃39;\0&＃39;;strcpy(username,rcvmsg&＃43;1);strcpy(password,rcvmsg&＃43;index&＃43;2);size&＃61;user_register(db,username,password,sndmsg);mysendMsg(newfd,sndmsg,size);return 0; }//修改用户状态为在线 int update_state_online(sqlite3 *db,char *username) {char buf[128]&＃61;"";char *msg&＃61;NULL;sprintf(buf,"update usermsg set state&＃61;&＃39;online&＃39; where username&＃61;\"%s\"",username);if(sqlite3_exec(db,buf,NULL,NULL,&msg)!&＃61;SQLITE_OK){ERR_MSG("update state fail",msg);return -1;}return 0; }//修改用户状态为离线 int update_state_offline(sqlite3 *db,char *username) {char buf[128]&＃61;"";char *msg&＃61;NULL;sprintf(buf,"update usermsg set state&＃61;&＃39;offline&＃39; where username&＃61;\"%s\"",username);if(sqlite3_exec(db,buf,NULL,NULL,&msg)!&＃61;SQLITE_OK){ERR_MSG("update state fail",msg);return -1;}return 0; }//处理客户端的登录请求 int do_login(int newfd,sqlite3 *db,char *rcvmsg) {int size&＃61;0;int index&＃61;0;char sndmsg[256]&＃61;"";char username[64]&＃61;"";char password[64]&＃61;"";index&＃61;deal_rcvmsg(rcvmsg);rcvmsg[index]&＃61;&＃39;\0&＃39;;strcpy(username,rcvmsg&＃43;1);strcpy(password,rcvmsg&＃43;index&＃43;2);size&＃61;user_login(db,username,password,sndmsg);mysendMsg(newfd,sndmsg,size);return 0; }//处理客户端的查询单词请求 int do_select_world(int newfd,sqlite3 *db,char *username,char *rcvmsg) {int size&＃61;0;char sndmsg[256]&＃61;"";linkList *p;p&＃61;select_word(db,rcvmsg&＃43;1,username);while(p->next!&＃61;NULL){p&＃61;p->next;size&＃61;strlen(p->msg);mysendMsg(newfd,p->msg,size);}strcpy(sndmsg,"break");size&＃61;strlen(sndmsg);mysendMsg(newfd,sndmsg,size);list_destroy(p);p&＃61;NULL;return 0; }//处理客户端的查看历史信息请求 int do_select_history(int newfd,sqlite3 *db,char *username) {int size&＃61;0;char sndmsg[256]&＃61;"";linkList *p;p&＃61;select_history(db,username);while(p->next!&＃61;NULL){p&＃61;p->next;size&＃61;strlen(p->msg);mysendMsg(newfd,p->msg,size);}strcpy(sndmsg,"break");size&＃61;strlen(sndmsg);mysendMsg(newfd,sndmsg,size);list_destroy(p);p&＃61;NULL;return 0; }//以下功能代码&＃xff0c;主要是为了减少TCP的粘包问题//发送指定大小数据 int writen(int fd,char *msg,int size) {char *buf&＃61;msg;int count&＃61;size;int len&＃61;0;while(count>0){len&＃61;send(fd,buf,count,0);if(len<0){perror("send");return -1;}else if(0&＃61;&＃61;len){return size-count;}buf&＃43;&＃61;len;count-&＃61;len;}return size; }//发送数据 int mysendMsg(int fd,char *msg,int size) {if(fd<0 || msg&＃61;&＃61;NULL || size<&＃61;0){return -1;}char *buf&＃61;(char *)malloc(size&＃43;4);int len&＃61;htonl(size);memcpy(buf,(char *)&len,4);memcpy(buf&＃43;4,msg,size);int res&＃61;writen(fd,buf,size&＃43;4);if(res}//接受指定大小数据 int readn(int fd,char *msg,int size) {char *buf&＃61;msg;int count&＃61;size;int len&＃61;0;while(count>0){len&＃61;recv(fd,buf,count,0);if(len<-1){perror("recv");return -1;}else if(0&＃61;&＃61;len){return 0;}buf&＃43;&＃61;len;count-&＃61;len;}return size; }//接受数据 int myrecvMsg(int fd,char **msg) {int len;int res;res&＃61;readn(fd,(char *)&len,4);if(res&＃61;&＃61;0){return 0;}len&＃61;ntohl(len);char *buf&＃61;(char *)malloc(len&＃43;1);res&＃61;readn(fd,buf,len);if(res}

Ser.c&＃xff1a;

#include #include #include #include #include #include #include #include #include #include #include #include "SerOperation.h"typedef void (*sighandler_t)(int);//僵尸进程处理函数 void handler(int sig) {while(waitpid(-1,NULL,WNOHANG)>0); }int main(int argc, const char *argv[]) {if(argc<3){fprintf(stderr,"传参不足 %s ip port\n",argv[0]);return -1;}//创建流式套接字int sfd&＃61;socket(AF_INET,SOCK_STREAM,0);if(sfd<0){perror("socket fail");return -1;}//允许端口快速重用int reuse&＃61;1;if(setsockopt(sfd,SOL_SOCKET,SO_REUSEADDR,&reuse,sizeof(reuse))<0){perror("setsockopt");return -1;}//填充服务器地址信息结构体struct sockaddr_in sin;sin.sin_family&＃61;AF_INET;sin.sin_port&＃61;htons(atoi(argv[2]));sin.sin_addr.s_addr&＃61;inet_addr(argv[1]);//绑定ip和端口if(bind(sfd,(struct sockaddr *)&sin,sizeof(sin))<0){perror("bind fail");return -1;}//设置为被动监听状态if(listen(sfd,10)<0){perror("listen fail");return -1;}//信号处理僵尸进程if(signal(SIGCHLD,handler)&＃61;&＃61;SIG_ERR){perror("signal fail");return -1;}//储存客户端地址信息结构体struct sockaddr_in cin;socklen_t addrlen;//创建数据库,并将单词导入数据库//drop_table();sqlite3 *db&＃61;create_database();//import_words(db);int newfd;char username[64]&＃61;""; //用来保存登录的用户名char *rcvmsg&＃61;NULL;//循环等待客户端连接while(1){newfd&＃61;accept(sfd,(struct sockaddr *)&cin,&addrlen);if(newfd<0){perror("accept fail");return -1;}printf("[ %s : %d ]connect\n",inet_ntoa(cin.sin_addr),ntohs(cin.sin_port));//如果有客户端连接就去创建一个子进程与客户端通信//父进程继续等待其他客户端连接pid_t pid&＃61;fork();if(pid>0){close(newfd);}else if(0&＃61;&＃61;pid){close(sfd);while(1){rcvmsg&＃61;NULL;if(0&＃61;&＃61;myrecvMsg(newfd,&rcvmsg)){//用户掉线&＃xff0c;用户状态设置为离线状态update_state_offline(db,username);printf("[ %s : %d ]quit\n",inet_ntoa(cin.sin_addr),ntohs(cin.sin_port));break;}switch(rcvmsg[0]){case &＃39;R&＃39;:do_register(newfd,db,rcvmsg);free(rcvmsg);break;case &＃39;L&＃39;:bzero(username,sizeof(username));do_login(newfd,db,rcvmsg);strcpy(username,rcvmsg&＃43;1);free(rcvmsg);break;case &＃39;F&＃39;:do_select_world(newfd,db,username,rcvmsg);free(rcvmsg);break;case &＃39;H&＃39;:do_select_history(newfd,db,username);free(rcvmsg);break;case &＃39;Q&＃39;:update_state_offline(db,username);free(rcvmsg);break;default:continue;}}close(newfd);exit(0);}else{perror("fork fail");return -1;}}//关闭套接字close(sfd);//关闭数据库close_database(db);db&＃61;NULL;return 0; }

客户端&＃xff1a;

所需头文件&＃xff1a;CliOperation.h

所需源文件&＃xff1a;CliOperation.c

主函数源文件&＃xff1a;Cli.c

CliOperation.h&＃xff1a;

#ifndef __CLIOPERATION_H__ #define __CLIOPERATION_H__#include #include #include #include #include #include //主菜单 void pri_menu();//功能菜单 void fun_menu(int cfd);int Register(int cfd);int Login(int cfd);int Quit(int cfd);int SelectWord(int cfd);int SelectHistory(int cfd);int writen(int fd,char *msg,int size); int mysendMsg(int fd,char *msg,int size); int readn(int fd,char *msg,int size); int myrecvMsg(int fd,char **msg);#endif

CliOperation.c&＃xff1a;

#include "./CliOperation.h"void pri_menu() {printf("\t************************\n");printf("\t*******电子词典******\n");printf("\t********1> 注册********\n");printf("\t********2> 登录********\n");printf("\t********3> 退出********\n");printf("\t************************\n"); }void fun_menu(int cfd) {char choose;while(1){system("clear");printf("\t***************************\n");printf("\t********用户功能********\n");printf("\t********1> 查询单词********\n");printf("\t********2> 查看历史记录****\n");printf("\t********3> 放回上一级******\n");printf("\t***************************\n");fprintf(stdout,"请输入你的选择>>>");choose&＃61;getchar();while(getchar()!&＃61;&＃39;\n&＃39;);switch(choose){case &＃39;1&＃39;:SelectWord(cfd);break;case &＃39;2&＃39;:SelectHistory(cfd);break;case &＃39;3&＃39;:Quit(cfd);return ;default:fprintf(stderr,"input choose error,try again\n");break;}fprintf(stdout,"请输入任意字符清屏>>>");fflush(stdout);while(getchar()!&＃61;&＃39;\n&＃39;);} }//用户注册 int Register(int cfd) {char sndmsg[256]&＃61;"";char *rcvmsg&＃61;NULL;char username[64]&＃61;"";char password[64]&＃61;"";int size&＃61;0;//输入用户名fprintf(stdout,"请输入用户名>>>");fgets(username,sizeof(username),stdin);username[strlen(username)-1]&＃61;0;size&＃43;&＃61;strlen(username);//输入密码fprintf(stdout,"请输入密码>>>");fgets(password,sizeof(password),stdin);password[strlen(password)-1]&＃61;0;size&＃43;&＃61;strlen(password);//发送用户名和密码给服务器sndmsg[0]&＃61;&＃39;R&＃39;;sprintf(sndmsg&＃43;1,"%s##%s",username,password);mysendMsg(cfd,sndmsg,size&＃43;3);//接收结果信息myrecvMsg(cfd,&rcvmsg);//处理信息fprintf(stdout,"%s\n",rcvmsg);free(rcvmsg);return 0; }//用户登录 int Login(int cfd) {char sndmsg[256]&＃61;"";char *rcvmsg&＃61;NULL;;char username[64]&＃61;"";char password[64]&＃61;"";int size&＃61;0;//输入用户名fprintf(stdout,"请输入用户名>>>");fgets(username,sizeof(username),stdin);username[strlen(username)-1]&＃61;0;size&＃43;&＃61;strlen(username);//输入密码fprintf(stdout,"请输入密码>>>");fgets(password,sizeof(password),stdin);password[strlen(password)-1]&＃61;0;size&＃43;&＃61;strlen(password);//发送用户名和密码给服务器sndmsg[0]&＃61;&＃39;L&＃39;;sprintf(sndmsg&＃43;1,"%s##%s",username,password);mysendMsg(cfd,sndmsg,size&＃43;3);//接收结果信息myrecvMsg(cfd,&rcvmsg);//处理信息fprintf(stdout,"%s\n",rcvmsg);if(strcmp(rcvmsg,"login success!")&＃61;&＃61;0){return 1;}free(rcvmsg);return 0; }//用户退出 int Quit(int cfd) {char sndmsg&＃61;&＃39;Q&＃39;;mysendMsg(cfd,&sndmsg,1);return 0; }//查询单词 int SelectWord(int cfd) {char sndmsg[256];char *rcvmsg&＃61;NULL;int size&＃61;0;//输入要查询的单词sndmsg[0]&＃61;&＃39;F&＃39;;fprintf(stdout,"请输入你要查询的单词>>>");fgets(sndmsg&＃43;1,sizeof(sndmsg),stdin);sndmsg[strlen(sndmsg)-1]&＃61;0;size&＃61;strlen(sndmsg);//发送单词给服务器mysendMsg(cfd,sndmsg,size&＃43;1);//接收结果信息while(1){myrecvMsg(cfd,&rcvmsg);//处理信息if(strcmp(rcvmsg,"break")&＃61;&＃61;0){free(rcvmsg);break;}fprintf(stdout,"%s\n",rcvmsg);free(rcvmsg);}return 0; }//查看历史记录 int SelectHistory(int cfd) {char sndmsg&＃61;&＃39;H&＃39;;char *rcvmsg&＃61;NULL;int i&＃61;0;//给服务器发送请求mysendMsg(cfd,&sndmsg,1);//接收结果信息while(1){myrecvMsg(cfd,&rcvmsg);//处理信息if(strcmp(rcvmsg,"break")&＃61;&＃61;0){free(rcvmsg);break;}fprintf(stdout,"%s",rcvmsg);i&＃43;&＃43;;if(i%3&＃61;&＃61;0){putchar(10);}else{printf("\t\t");}free(rcvmsg);}if(1&＃61;&＃61;i){putchar(10);}return 0; }//以下功能代码&＃xff0c;主要是为了减少TCP的粘包问题//发送指定大小数据 int writen(int fd,char *msg,int size) {char *buf&＃61;msg;int count&＃61;size;while(count>0){int len&＃61;send(fd,buf,count,0);if(len<0){perror("send");return -1;}else if(0&＃61;&＃61;len){return size-count;}buf&＃43;&＃61;len;count-&＃61;len;}return size; }//发送数据 int mysendMsg(int fd,char *msg,int size) {if(fd<0 || msg&＃61;&＃61;NULL || size<&＃61;0){return -1;}char *buf&＃61;(char *)malloc(size&＃43;4);int len&＃61;htonl(size);memcpy(buf,(char *)&len,4);memcpy(buf&＃43;4,msg,size);int res&＃61;writen(fd,buf,size&＃43;4);if(res}//接受指定大小数据 int readn(int fd,char *msg,int size) {char *buf&＃61;msg;int count&＃61;size;int len&＃61;0;while(count>0){int len&＃61;recv(fd,buf,count,0);if(len<-1){perror("recv");return -1;}else if(0&＃61;&＃61;len){return 0;}buf&＃43;&＃61;len;count-&＃61;len;}return size; }//接受数据 int myrecvMsg(int fd,char **msg) {int len;int res;res&＃61;readn(fd,(char *)&len,4);if(res&＃61;&＃61;0){return 0;}len&＃61;ntohl(len);char *buf&＃61;(char *)malloc(len&＃43;1);res&＃61;readn(fd,buf,len);if(res}

Cli.c&＃xff1a;

#include #include #include #include #include #include #include "./CliOperation.h"int main(int argc, const char *argv[]) {if(argc<3){fprintf(stderr,"传参不足 %s ip port\n",argv[0]);return -1;}//创建流式套接字int cfd&＃61;socket(AF_INET,SOCK_STREAM,0);if(cfd<0){perror("socket");return -1;}//非绑定//填充服务器地址信息结构体struct sockaddr_in sin;sin.sin_family&＃61;AF_INET;sin.sin_port&＃61;htons(atoi(argv[2]));sin.sin_addr.s_addr&＃61;inet_addr(argv[1]);//连接服务器if(connect(cfd,(struct sockaddr *)&sin,sizeof(sin))<0){perror("connect");return -1;}char msg[256];char choose;while(1){ START:system("clear");pri_menu();fprintf(stdout,"请输入你的选择>>>");choose&＃61;getchar();while(getchar()!&＃61;&＃39;\n&＃39;);switch(choose){case &＃39;1&＃39;:Register(cfd); break;case &＃39;2&＃39;:if(Login(cfd)&＃61;&＃61;1){fun_menu(cfd);goto START;}break;case &＃39;3&＃39;:goto END;break;default:fprintf(stderr,"input choose error,try again!\n");break;}fprintf(stdout,"请输入任意字符清屏>>>");fflush(stdout);while(getchar()!&＃61;&＃39;\n&＃39;);}END:close(cfd);return 0; }

Makefile&＃xff1a;

TARGET:&＃61;main SER:&＃61;ser CLI:&＃61;cli CAN:&＃61;-c -o CC:&＃61;gcc OBJS:&＃61;Ser.o SerOperation.o linklist.o OBJC:&＃61;Cli.o CliOperation.o$(TARGET):$(OBJS) $(OBJC)$(CC) $(OBJS) -o $(SER) -lsqlite3$(CC) $(OBJC) -o $(CLI) %.o:%.c$(CC) $<$(CAN) $&＃64;clean:rm -rf $(OBJS) $(OBJC) $(SER) $(CLI)

运行效果&＃xff1a;