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如何使用C語(yǔ)言實(shí)現(xiàn)校園導(dǎo)游系統(tǒng)

發(fā)布時(shí)間:2022-03-17 13:34:37 來(lái)源:億速云 閱讀:153 作者:小新 欄目:開發(fā)技術(shù)

這篇文章主要介紹了如何使用C語(yǔ)言實(shí)現(xiàn)校園導(dǎo)游系統(tǒng),具有一定借鑒價(jià)值,感興趣的朋友可以參考下,希望大家閱讀完這篇文章之后大有收獲,下面讓小編帶著大家一起了解一下。

設(shè)計(jì)目的

中國(guó)地大物博,文化底蘊(yùn)頗深,旅游資源更是豐富多彩,也越來(lái)越流行“大學(xué)打卡熱”,中國(guó)很多大學(xué)校園成為了游客們的打卡的“景區(qū)”,為了給來(lái)訪西安郵電大學(xué)的游客更加方便、快捷的提供服務(wù)信息,以及為在校學(xué)生提供合適的行走路線,因此開發(fā)“西安郵電大學(xué)校園導(dǎo)航系統(tǒng)”給游客以及在校學(xué)生提供更好的服務(wù)。
本次課程設(shè)計(jì)的主題為校園導(dǎo)航系統(tǒng),主要目的是使學(xué)生學(xué)習(xí)的理論知識(shí)與實(shí)際應(yīng)用相結(jié)合,避免學(xué)生在“紙上談兵”。親歷實(shí)際應(yīng)用的設(shè)計(jì)過(guò)程,培養(yǎng)學(xué)生獨(dú)立思考、處理具體問(wèn)題的能力。理論是單一的,但實(shí)際應(yīng)用問(wèn)題是多變的,甚至是與理論相沖突的,如何滿足實(shí)際問(wèn)題的需求,處理好理論與應(yīng)用的沖突,是每個(gè)學(xué)生都應(yīng)該學(xué)會(huì)的。
對(duì)于“校園導(dǎo)航系統(tǒng)”的開發(fā)者,即學(xué)生本人來(lái)說(shuō),對(duì)其能力的提高主要分以下幾點(diǎn):
① 深化其腦海中對(duì)“圖”這種數(shù)據(jù)的邏輯結(jié)構(gòu)的認(rèn)知;
② 要求學(xué)生熟練掌握“圖”的鄰接矩陣創(chuàng)建、鄰接表創(chuàng)建;
③ 獨(dú)立編寫代碼,提高學(xué)生邏輯思維能力;
④ 懂得運(yùn)用幾種最基本的“圖”操作的算法。

設(shè)計(jì)內(nèi)容

本系統(tǒng)功能全部劃分給管理方和游客兩種人群。

①游客權(quán)限有:顯示地圖基本信息、查詢某個(gè)地點(diǎn)的交通路線基本情況、查詢兩兩地之間中轉(zhuǎn)最少的路徑、簡(jiǎn)單路徑、最短路徑等。
②管理方登錄后,除了使用用戶的所有權(quán)限之外,還可以行使地圖系統(tǒng)的高級(jí)權(quán)限,有:添加新頂點(diǎn)、添加新路線、撤銷舊路線等。

下圖為校園導(dǎo)航系統(tǒng)的平面圖:

如何使用C語(yǔ)言實(shí)現(xiàn)校園導(dǎo)游系統(tǒng)

功能模塊圖

如何使用C語(yǔ)言實(shí)現(xiàn)校園導(dǎo)游系統(tǒng)

各功能函數(shù)描述

1)增加新地點(diǎn)

①輸入要增加的地點(diǎn)名稱和地點(diǎn)信息,并且圖的頂點(diǎn)數(shù)加1;
②修改flag文件中圖的頂點(diǎn)數(shù);
③可在introduce文件中查看新地點(diǎn)是否增加成功;
④實(shí)現(xiàn)了校園導(dǎo)航系統(tǒng)管理員增加新地點(diǎn)的功能。

2)增加新路線

①輸入要增加路線的起始地點(diǎn)、終止地點(diǎn)和路徑的距離并且圖的邊數(shù)加1;
②修改flag文件中圖的邊數(shù);
③可在adj文件中查看新路線是否增加成功;
④實(shí)現(xiàn)了校園導(dǎo)航系統(tǒng)管理員增加新路線的功能。

3)撤銷舊路線

①輸入要撤銷路線的起始地點(diǎn)和終止地點(diǎn),并讓其路徑值為無(wú)窮,圖的邊數(shù)減1;
②修改flag文件中圖的邊數(shù);
③可在adj文件中查看舊路線是否撤銷成功;
④實(shí)現(xiàn)了校園導(dǎo)航系統(tǒng)管理員撤銷舊路線的功能。

4)校園平面圖

①將校園平面圖保存在map文件中;
②調(diào)用打印地圖函數(shù);
③實(shí)現(xiàn)了校園導(dǎo)航系統(tǒng)管理員和游客對(duì)校園平面圖的查看。

5)地點(diǎn)信息查詢

①分三種查詢方式:地點(diǎn)編號(hào)查詢、地點(diǎn)名稱查詢、地點(diǎn)編號(hào)名稱共同查詢;
②當(dāng)選擇地點(diǎn)編號(hào)查詢的時(shí)候,先打印出各地點(diǎn)名稱對(duì)應(yīng)的編號(hào),然后輸入要查詢的地點(diǎn)的編號(hào),即可顯示出所查地點(diǎn)的信息;
③當(dāng)選擇地點(diǎn)名稱查詢的時(shí)候,輸入需要查詢的地點(diǎn)名稱,如果有所要查詢的地點(diǎn)名稱 時(shí),將顯示出所查地點(diǎn)的信息;
④當(dāng)選擇地點(diǎn)編號(hào)名稱共通查詢的時(shí)候,先打印出各地點(diǎn)名稱對(duì)應(yīng)的編號(hào),然后輸入要查詢的地點(diǎn)的編號(hào)和地點(diǎn)名稱,即可顯示出所要查詢的地點(diǎn)的信息;
⑤實(shí)現(xiàn)了校園導(dǎo)航系統(tǒng)管理員和游客對(duì)地點(diǎn)信息的查詢。

6)問(wèn)路查詢

①分三種路線查詢方式:兩個(gè)地點(diǎn)之間所有的簡(jiǎn)單路徑、兩個(gè)地點(diǎn)之間中轉(zhuǎn)最少的路徑、兩個(gè)地點(diǎn)之間最短路徑;
②當(dāng)查詢兩個(gè)地點(diǎn)之間所有的簡(jiǎn)單路徑時(shí),可以采用深度優(yōu)先遍歷,將所有路線打印出來(lái);
③當(dāng)查詢兩個(gè)地點(diǎn)之間中轉(zhuǎn)最少的路徑時(shí),可以采用廣度優(yōu)先遍歷,類似于樹的按層次遍歷,當(dāng)起點(diǎn)遇到終點(diǎn)時(shí),即為中轉(zhuǎn)最少的路徑,也可以采用深度優(yōu)先遍歷,記錄中轉(zhuǎn)的地點(diǎn)最少的那條路徑輸出;
④當(dāng)查詢兩個(gè)地點(diǎn)之間的最短路徑時(shí),可以采用Dijkstra算法,借助兩個(gè)輔助數(shù)組dist和path來(lái)查詢最短路徑;
⑤實(shí)現(xiàn)了校園導(dǎo)航系統(tǒng)管理員和游客對(duì)路線的查詢。

各功能函數(shù)之間的調(diào)用關(guān)系

如何使用C語(yǔ)言實(shí)現(xiàn)校園導(dǎo)游系統(tǒng)

源代碼

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <conio.h>

#define MAXSIZE 66              //數(shù)組長(zhǎng)度的最大值 
#define MAXVEX  20                 //最大頂點(diǎn)個(gè)數(shù) 
#define INFINITY 32767            //表示極大值                 

//以下全局變量用于DFS中 
int count1 = 0;// DFSALL ,路徑計(jì)數(shù)器,全局變量,直接++,如果局部變量,遞歸到上一層值還是沒變 
int way1[MAXSIZE] = {0}; //路徑數(shù)組 
int count2 = 0;// DFSALL ,層數(shù) 
int way2[MAXSIZE] = {0}; //路徑數(shù)組 
int minc = MAXVEX; //中轉(zhuǎn)最少頂點(diǎn)數(shù)最值 
int minway[MAXSIZE] = {0};//路徑數(shù)組 

//頂點(diǎn)類型的定義
typedef struct{
    char  name[19];        //地點(diǎn)的名稱 
    char  info[66];    //地點(diǎn)的介紹 
    int visited;        //訪問(wèn)標(biāo)志 
}Vextype;

//鄰接矩陣的數(shù)據(jù)類型 
typedef struct{
    int arcs[MAXVEX][MAXVEX]; //邊(或弧)信息 
    Vextype vex[MAXVEX];    //頂點(diǎn)信息,頂點(diǎn)類型根據(jù)實(shí)際情況自行定義 
    int vexnum;        //頂點(diǎn)數(shù)目 
    int arcnum;     //邊(或弧)數(shù)目 
    int visited[MAXVEX];   //訪問(wèn)標(biāo)志數(shù)組,標(biāo)志是否被訪問(wèn)過(guò) 
}AdjMatrix;

//存入地圖文件 
void MapFile(AdjMatrix G){
    char filename[30] = "map.txt";
    FILE *fp;
    fp = fopen(filename,"wt");
    if(fp == NULL)
    {
        printf("\n不能打開!");
        exit(1);
    }
       fprintf(fp,"|------------------------------------------------------------------------------------------------|\n");
    fprintf(fp,"|                                ☆西安郵電大學(xué)校園地點(diǎn)一覽 ☆                                   |\n");
    fprintf(fp,"|------------------------------------------------------------------------------------------------|\n");
    fprintf(fp,"|                                                                                                |\n"); 
    fprintf(fp,"|                   西區(qū)正門                                                                     |\n"); 
    fprintf(fp,"|                      |                                                                         |\n");     
    fprintf(fp,"|                      |                                                                         |\n");
    fprintf(fp,"|                      |                                   東區(qū)正門==================逸夫樓      |\n");                          
    fprintf(fp,"|                      |                                                     |         |         |\n");     
    fprintf(fp,"|            |===水煮鴿子                                                    |         |         |\n"); 
    fprintf(fp,"|            |         |                                                     |         |         |\n");     
    fprintf(fp,"|           基礎(chǔ)       |                                                     |      安美公寓     |\n");    
    fprintf(fp,"|          教學(xué)樓      |                                                     |         |         |\n");    
    fprintf(fp,"|            |         |                                                     |         |         |\n");  
    fprintf(fp,"|            |         |                                                     |      安悅公寓     |\n");  
    fprintf(fp,"|            |         |                                          東升苑 ====|                   |\n");    
    fprintf(fp,"|            |         |                                                     |                   |\n");
    fprintf(fp,"|            |       圖書館                                                  |                   |\n");    
    fprintf(fp,"|       教學(xué)實(shí)驗(yàn)樓     |                                                     |                   |\n");     
    fprintf(fp,"|            |         |=====================================================|                   |\n");     
    fprintf(fp,"|            |         |                 |||   西郵橋   |||                  |                   |\n");
    fprintf(fp,"|  醫(yī)務(wù)室====|         |=====================================================|                   |\n");
    fprintf(fp,"|                      |                                                                         |\n");    
    fprintf(fp,"|                      |===體育館                                                                |\n");     
    fprintf(fp,"|                      |                                                                         |\n");    
    fprintf(fp,"|                      |                                                                         |\n");    
    fprintf(fp,"|                    旭日苑                                                                      |\n");     
    fprintf(fp,"|                      |                                                                         |\n");
    fprintf(fp,"|                      |                                                                         |\n");
    fprintf(fp,"|                  西區(qū)宿舍樓                                                                       |\n");      
    fprintf(fp,"|                                                                                                |\n");        
    fprintf(fp,"|------------------------------------------------------------------------------------------------|\n");
    fclose(fp);
}

//打印地圖
void MapOutput(){
    printf("|------------------------------------------------------------------------------------------------|\n");
    printf("|                                ☆西安郵電大學(xué)校園地點(diǎn)一覽 ☆                                   |\n");
    printf("|------------------------------------------------------------------------------------------------|\n");
    printf("|                                                                                                |\n"); 
    printf("|                   西區(qū)正門                                                                     |\n"); 
    printf("|                      |                                                                         |\n");     
    printf("|                      |                                                                         |\n");
    printf("|                      |                                   東區(qū)正門==================逸夫樓      |\n");                          
    printf("|                      |                                                     |         |         |\n");     
    printf("|            |===水煮鴿子                                                    |         |         |\n"); 
    printf("|            |         |                                                     |         |         |\n");     
    printf("|           基礎(chǔ)       |                                                     |      安美公寓     |\n");    
    printf("|          教學(xué)樓      |                                                     |         |         |\n");    
    printf("|            |         |                                                     |         |         |\n");  
    printf("|            |         |                                                     |      安悅公寓     |\n");  
    printf("|            |         |                                          東升苑 ====|                   |\n");    
    printf("|            |         |                                                     |                   |\n");
    printf("|            |       圖書館                                                  |                   |\n");    
    printf("|       教學(xué)實(shí)驗(yàn)樓     |                                                     |                   |\n");     
    printf("|            |         |=====================================================|                   |\n");     
    printf("|            |         |                 |||   西郵橋   |||                  |                   |\n");
    printf("|  醫(yī)務(wù)室====|         |=====================================================|                   |\n");
    printf("|                      |                                                                         |\n");    
    printf("|                      |===體育館                                                                |\n");     
    printf("|                      |                                                                         |\n");    
    printf("|                      |                                                                         |\n");    
    printf("|                    旭日苑                                                                      |\n");     
    printf("|                      |                                                                         |\n");
    printf("|                      |                                                                         |\n");
    printf("|                  西區(qū)宿舍樓                                                                       |\n");      
    printf("|                                                                                                |\n");        
    printf("|------------------------------------------------------------------------------------------------|\n");    
 } 
 
//創(chuàng)建圖,信息從文件中讀取 
void Create(AdjMatrix *G){
    int i,j;
    int m,n,weight;
    int vexnum,arcnum;
    char name[19],info[66];
    
    for(i = 1; i <= G->vexnum; i++){   //初始化visited值,剛開始都為0 
        G->vex[i].visited = 0;
    } 
    
    FILE *fp1;
    fp1 = fopen("flag.txt","rt");
    if(fp1 == NULL){
        printf("\n不能打開!");
        exit(1);
    }
    
    FILE *fp2;
    fp2 = fopen("introduce.txt","rt");
    if(fp2 == NULL){
        printf("\n不能打開!");
        exit(1);
    }
    
    FILE *fp3;
    fp3 = fopen("adj.txt","rt");
    if(fp3 == NULL){
        printf("\n不能打開!");
        exit(1);
    }
    
    
    fscanf(fp1,"%d %d",&vexnum,&arcnum);  //從文件中頂點(diǎn)的個(gè)數(shù)和邊的個(gè)數(shù) 
    G->vexnum = vexnum;
    G->arcnum = arcnum;    
    
    for(i = 1; i <= G->vexnum; i++){
        fscanf(fp2,"%s\n%s",name,info);
        strcpy(G->vex[i].name,name);
        strcpy(G->vex[i].info,info);
    }
    
    for(i = 1; i <= G->vexnum; i++){ 
        for(j = 1;j <= G->vexnum; j++){ 
            G->arcs[i][j] = INFINITY;
        } 
    } 
    
    for(j = 1; j <= G->arcnum; j++){
        fscanf(fp3,"%6d %6d %6d",&m,&n,&weight);
        G->arcs[m][n] = weight;
        G->arcs[n][m] = weight;
    }
    
    fclose(fp1);
    fclose(fp2);
    fclose(fp3);
}

//打印地點(diǎn)列表
void PrintPlace(AdjMatrix *G){ 
    int i;
    for(i = 1; i <= G->vexnum; i++ ){
        printf("\t\t\t\t\t\t%d\t%s\n",i,G->vex[i].name); 
    }
}


void IntroducePlace(AdjMatrix G){  
    int i, num,c;
    int flag = 1;
    char n[30];
    
    while(flag == 1 ){
        system( "cls" );
        printf( "\t\t\t\t\t\t——————地點(diǎn)信息查詢——————\n" );
        
        printf("\t\t\t\t\t\t請(qǐng)選擇需要查詢的方式\n");
        printf("\t\t\t\t\t\t1.地點(diǎn)編號(hào)查詢\n"); 
        printf("\t\t\t\t\t\t2.地點(diǎn)名稱查詢\n"); 
        printf("\t\t\t\t\t\t3.地點(diǎn)編號(hào)名稱共同查詢\n"); 
        
        scanf("%d",&c);
        
        if(c == 1){
            
            system("cls");

            PrintPlace(&G);
            
            printf( "\t\t\t\t\t\t請(qǐng)輸入需要查找的地點(diǎn)編號(hào):" );
            scanf( "%d", &num );
            
            if(num > 0 && num <= G.vexnum ){
                printf( "\n\n");
                printf( "\t\t\t編號(hào):%d\n",num);
                printf( "\t\t\t名稱:%s\n", G.vex[num].name );
                printf( "\t\t\t簡(jiǎn)介:%s\n\n", G.vex[num].info );
            }
            else{
                printf( "\t\t\t\t\t\t信息輸入有誤!\n" );
            }
            
            printf( "\n\t\t\t\t\t\t是否繼續(xù)查詢地點(diǎn)信息?\n" );
            printf( "\t\t\t\t\t\t1:是\n" );
            printf( "\t\t\t\t\t\t0:返回上級(jí)菜單\n" );
            scanf( "%d", &flag );
        }
        else if(c == 2){
            system("cls");
            printf("\t\t\t\t\t\t請(qǐng)輸入需要查詢的地點(diǎn)名稱:");
            scanf("%s",n);
            
            for(i = 1; i <= G.vexnum; i++ ){

                if(strcmp(G.vex[i].name,n) == 0){
                    
                    printf( "\n\n");
                    printf( "\t\t\t編號(hào):%d\n",i);
                    printf( "\t\t\t名稱:%s\n", G.vex[i].name );
                    printf( "\t\t\t簡(jiǎn)介:%s\n\n", G.vex[i].info );
                    break;
                }
               }

            printf( "\n\t\t\t\t\t\t是否繼續(xù)查詢地點(diǎn)信息?\n" );
            printf( "\t\t\t\t\t\t1:是\n" );
            printf( "\t\t\t\t\t\t0:返回上級(jí)菜單\n" );
            scanf( "%d", &flag );            
        }
        else if(c == 3){
            system("cls");
            PrintPlace(&G);
            printf( "\t\t\t\t\t\t請(qǐng)輸入需要查找的地點(diǎn)編號(hào):" );
            scanf( "%d", &num );
            printf("\t\t\t\t\t\t請(qǐng)輸入需要查詢的地點(diǎn)名稱:");
            scanf("%s",n);
            if(num > 0 && num <= G.vexnum && strcmp(G.vex[num].name,n) == 0){
                printf( "\n\n");
                printf( "\t\t\t編號(hào):%d\n",num);
                printf( "\t\t\t名稱:%s\n", G.vex[num].name );
                printf( "\t\t\t簡(jiǎn)介:%s\n\n", G.vex[num].info );
            }
            
            printf( "\n\t\t\t\t\t\t是否繼續(xù)查詢地點(diǎn)信息?\n" );
            printf( "\t\t\t\t\t\t1:是\n" );
            printf( "\t\t\t\t\t\t0:返回上級(jí)菜單\n" );
            scanf( "%d", &flag );
        }
    }
    system("cls");
}

//地點(diǎn)信息,文件 
void IntroduceFile(AdjMatrix G){
    int i;
    char filename[30] = "introduce.txt";
    
    FILE *fp;
        fp = fopen(filename,"wt");
    if(fp == NULL){
        printf("\n不能打開!");
        exit(1);
    }
    
    G.vexnum = 15;
    
    strcpy(G.vex[1].name,"西區(qū)正門"); 
    strcpy(G.vex[1].info,"西安郵電大學(xué)長(zhǎng)安校區(qū)西區(qū)的正門"); 
    strcpy(G.vex[2].name,"西郵橋"); 
    strcpy(G.vex[2].info,"鏈接西安郵電大學(xué)長(zhǎng)安校區(qū)西區(qū)和東區(qū)的橋梁,過(guò)馬路請(qǐng)走西游橋"); 
    strcpy(G.vex[3].name,"東區(qū)正門"); 
    strcpy(G.vex[3].info,"西安郵電大學(xué)長(zhǎng)安校區(qū)東區(qū)的正門"); 
    strcpy(G.vex[4].name,"水煮鴿子"); 
    strcpy(G.vex[4].info,"西安郵電大學(xué)長(zhǎng)安校區(qū)西區(qū)正門口,由鴿子和噴泉組成"); 
    strcpy(G.vex[5].name,"基礎(chǔ)教學(xué)樓"); 
    strcpy(G.vex[5].info,"西安郵電大學(xué)教學(xué)樓,有A樓和B樓,是西安郵電大學(xué)學(xué)生們上課的地方");
    strcpy(G.vex[6].name,"教學(xué)實(shí)驗(yàn)樓"); 
    strcpy(G.vex[6].info,"西安郵電大學(xué)長(zhǎng)安校區(qū)西區(qū)實(shí)驗(yàn)樓");  
    strcpy(G.vex[7].name,"逸夫樓"); 
    strcpy(G.vex[7].info,"西安郵電大學(xué)教學(xué)樓,是學(xué)生們上課的地方,很容易迷路哦");   
    strcpy(G.vex[8].name,"圖書館"); 
    strcpy(G.vex[8].info,"西安郵電大學(xué)圖書館,可以借閱書籍和自習(xí)"); 
    strcpy(G.vex[9].name,"醫(yī)務(wù)室"); 
    strcpy(G.vex[9].info,"西安郵電大學(xué)醫(yī)務(wù)室"); 
    strcpy(G.vex[10].name,"旭日苑"); 
    strcpy(G.vex[10].info,"西安郵電大學(xué)西區(qū)食堂");
    strcpy(G.vex[11].name,"東升苑"); 
    strcpy(G.vex[11].info,"西安郵電大學(xué)東區(qū)食堂");
    strcpy(G.vex[12].name,"體育館"); 
    strcpy(G.vex[12].info,"西安郵電大學(xué)體育館,內(nèi)有運(yùn)動(dòng)場(chǎng)地"); 
    strcpy(G.vex[13].name,"西區(qū)宿舍"); 
    strcpy(G.vex[13].info,"分為長(zhǎng)思公寓和長(zhǎng)智公寓"); 
    strcpy(G.vex[14].name,"安美公寓"); 
    strcpy(G.vex[14].info,"分為安美公寓南樓和北樓"); 
    strcpy(G.vex[15].name,"安悅公寓"); 
    strcpy(G.vex[15].info,"分為安悅公寓南樓和北樓");  
    
    //把信息存到文件中
    for(i = 1; i <= G.vexnum; i++){  
        fprintf(fp,"%s\n%s\n",G.vex[i].name,G.vex[i].info); 
    } 
    
    fclose(fp);
}

//鄰接矩陣信息,文件 
void AdjFile(AdjMatrix G){
    int i,j;
    char filename[30] = "adj.txt";
    char filename1[30] = "flag.txt";

    FILE *fp;
        fp = fopen(filename,"wt");
    if(fp == NULL){
        printf("\n不能打開!");
        exit(1);
    }
        
    FILE *fp1;
        fp1 = fopen(filename1,"wt");
    if(fp1 == NULL){
        printf("\n不能打開!");
        exit(1);
    }
    
    
    G.vexnum = 15;
    G.arcnum = 24;   //15個(gè)頂點(diǎn),24個(gè)邊
    fprintf(fp1,"%d %d\n",G.vexnum,G.arcnum); //存入文件標(biāo)記
        //初始化矩陣 
    for(i = 0; i <= G.vexnum; i++){   
        for(j = 0; j <= G.vexnum; j++){ 
            G.arcs[i][j] = INFINITY;  //權(quán)值全部賦無(wú)窮大 
        } 
    }    
    
    //給地點(diǎn)設(shè)置權(quán)值,即需要走的路程 
    G.arcs[1][3] = G.arcs[3][1] = 800;
    G.arcs[1][4] = G.arcs[4][1] = 120;
    G.arcs[2][3] = G.arcs[3][2] = 300;
    G.arcs[2][8] = G.arcs[8][2] = 450;
    G.arcs[2][9] = G.arcs[9][2] = 600;
    G.arcs[2][11] = G.arcs[11][2] = 100;
    G.arcs[2][12] = G.arcs[12][2] = 500;
    G.arcs[3][7] = G.arcs[7][3] = 150;
    G.arcs[4][5] = G.arcs[5][4] = 140;
    G.arcs[4][8] = G.arcs[8][4] = 200;
    G.arcs[5][6] = G.arcs[6][5] = 111;
    G.arcs[5][8] = G.arcs[8][5] = 222;
    G.arcs[6][8] = G.arcs[8][6] = 300;
    G.arcs[6][9] = G.arcs[9][6] = 417;
    G.arcs[6][10] = G.arcs[10][6] = 360;
    G.arcs[6][12] = G.arcs[12][6] = 250;
    G.arcs[7][14] = G.arcs[14][7] = 120;
    G.arcs[8][12] = G.arcs[12][8] = 345;
    G.arcs[9][10] = G.arcs[10][9] = 404;
    G.arcs[10][12] = G.arcs[12][10] = 200;
    G.arcs[10][13] = G.arcs[13][10] = 100;
    G.arcs[11][15] = G.arcs[15][11] = 150;
    G.arcs[14][15] = G.arcs[15][14] = 50;

    for(i = 1; i <= G.vexnum; ++i){
        for(j = 1; j <= G.vexnum; ++j){
            if(G.arcs[i][j] != INFINITY && i < j){
                fprintf(fp,"%10d %10d %10d\n",i,j,G.arcs[i][j]);
                }
        }
    }
    fclose(fp1);
    fclose(fp);
}

//重置訪問(wèn)數(shù)組 
void ClearVisited(AdjMatrix *G) {
    int i;
    for(i = 0; i <= MAXVEX; i++){
        G->vex[i].visited = 0; //全部置0 
    }
}

//深度優(yōu)先搜索遍歷 
void DfsAll(AdjMatrix *G,int s,int e){ 
    int i,j;    
    int shuai = 0;
    G->vex[s].visited = 1;  //置起始點(diǎn)為1 
    way1[count1] = s;    //把起點(diǎn)的序號(hào)存在一個(gè)數(shù)組里,此時(shí)count是0 
    
    for(i = 1; i <= G->vexnum; i++){  //遍歷頂點(diǎn)        
        if(G->arcs[s][i] != INFINITY && G->vex[i].visited == 0 && i != e){  //權(quán)值不等于無(wú)窮,而且沒有被訪問(wèn)過(guò),并且沒有回到起點(diǎn) 
            count1++;  //數(shù)組下標(biāo)遞增 
            way1[count1] = i;  //給數(shù)組對(duì)應(yīng)的下標(biāo)附上頂點(diǎn)值 
            DfsAll(G,i,e);  //遞歸 
            G->vex[i].visited = 0; //遞歸回來(lái)返回到這一層還原這一層現(xiàn)狀 
            count1--;
            shuai = 0;  //結(jié)束的標(biāo)志 
            continue;
        }
        if(G->arcs[s][i] != INFINITY && G->vex[i].visited ==0 && i == e && shuai == 0){  //輸出 
            count1++;
            way1[count1] = e;
            shuai = 1;
            printf("\n");
            printf("\t%s",G->vex[way1[0]].name);  //起始點(diǎn) 
            for(j = 1;j <= count1; j++){
                printf("-->");
                printf("%s",G->vex[way1[j]].name);        //依次打印 
            }
            count1--;  //讓全局變量count變成0,以供其它函數(shù)使用 
            return;
        }    
    }        
    return ; 
}

//所有簡(jiǎn)單路徑菜單 
void AllPath(AdjMatrix G,int dist[],int path[][MAXVEX]){  
    int s,e;
    int flag = 1;
    while(flag == 1){
        system("cls");
        printf( "\t\t\t\t\t\t——————所有簡(jiǎn)單路徑查詢——————\n" );
        
        PrintPlace(&G);
        
        printf("\n\t\t\t\t\t輸入起點(diǎn)編號(hào):");
        scanf("%d",&s);
        printf("\t\t\t\t\t輸入終點(diǎn)編號(hào):");
        scanf("%d",&e);
        
        if (s > G.vexnum || s <= 0 || e > G.vexnum || e < 0 || s == e){
            printf( "\t\t\t\t\t\t輸入錯(cuò)誤!\n\n" );
        }
        else{
            ClearVisited(&G);  //給標(biāo)志數(shù)組初始化 
            count1=0;
            printf("\n\t\t\t從%s到%s的所有簡(jiǎn)單路徑有:\n", G.vex[s].name, G.vex[e].name);
            
            DfsAll(&G,s,e); //調(diào)用函數(shù)進(jìn)行實(shí)現(xiàn)功能 
        }
        printf("\n\n\t\t\t\t\t\t是否繼續(xù)查詢所有簡(jiǎn)單路徑?\n" );
        printf("\t\t\t\t\t\t1:是\n" );
        printf("\t\t\t\t\t\t0:返回上級(jí)菜單\n" );
        scanf("%d", &flag);
    }
    system("cls");
}

//中轉(zhuǎn)最少 ,也可以用廣搜,頂點(diǎn)A到頂點(diǎn)B所含邊的數(shù)目最少的路線,從A出發(fā)廣度優(yōu)先遍歷,遇到頂點(diǎn)B就可以停止了 
void DfsLitter(AdjMatrix *G,int start,int end){
    int shuai = 0;
    int i,j;
    G->vex[start].visited = 1;
    way2[count2] = start;
    for(i = 1; i <= G->vexnum; i++){        
        if(G->arcs[start][i] != INFINITY && G->vex[i].visited == 0 && i != end){
            count2++;
            way2[count2] = i;
            DfsLitter(G,i,end); //遞歸 
            G->vex[i].visited = 0;
            count2--;
            shuai = 0;
            continue;
        }  //此時(shí)搜到了所有路徑 
        
        
        if(G->arcs[start][i] != INFINITY && G->vex[i].visited == 0 && i == end && shuai == 0){
            count2++;
            way2[count2] = end;
            shuai = 1;
        
            if(count2 < minc){   //如果count2比最大頂點(diǎn)數(shù)小 
                minc = count2;   //就賦值 
                for(i = 0; i <= count2; i++){
                    minway[i]=way2[i];   //將記錄的way2值存到minway中 
                }
            }
            
            count2--;
            return;
        }    
    }        
}

//中轉(zhuǎn)次數(shù)最少簡(jiǎn)單路徑
void LitterPath(AdjMatrix G){
    int i,j,s,e;
    int flag = 1;
    
    while (flag == 1){
        int i;
        system("cls");
        printf("\t\t\t\t\t\t——————中轉(zhuǎn)次數(shù)最少路徑查詢——————\n");
        
        PrintPlace(&G);
        
        printf("\n\t\t\t\t\t輸入起點(diǎn)編號(hào):");
        scanf( "%d", &s);
        printf("\t\t\t\t\t輸入終點(diǎn)編號(hào):");
        scanf("%d", &e);
        if (s > G.vexnum || s <= 0 || e > G.vexnum || e < 0 || s == e)
            printf("\t\t\t\t\t\t輸入錯(cuò)誤!\n\n");
    
        else{
            ClearVisited(&G);
        
            minc = MAXVEX;
            
            count2 = 0;
        
            printf("\n\t\t\t從%s到%s的中轉(zhuǎn)最少簡(jiǎn)單路徑為:\n", G.vex[s].name, G.vex[e].name);
            DfsLitter(&G,s,e);  //深搜尋找 
        
            printf("\t\t\t%5s ",G.vex[minway[0]].name);
        
            for(i = 1; i <= minc; i++){    //mic即為count2 
                printf("-->");
                printf("%5s ",G.vex[minway[i]].name);
            }
            printf("\n\n\t\t\t\t\t\t是否繼續(xù)查詢中轉(zhuǎn)最少簡(jiǎn)單路徑?\n");
            printf("\t\t\t\t\t\t1:是\n");
            printf("\t\t\t\t\t\t0:返回上級(jí)菜單\n");
            scanf("%d", &flag);
            }
        system( "cls" );
    }
}

//最短路徑,dist數(shù)組記錄各條最短路徑長(zhǎng)度,path數(shù)組記錄對(duì)應(yīng)路徑上的各頂點(diǎn) ,依最短路徑遞增次序求得各條路徑 
void Dijkstra(AdjMatrix *G,int s,int e,int dist[MAXVEX],int path[][MAXVEX]){  
    int mindist,i,j,k,t = 1;  //mindist 路徑的權(quán)值(長(zhǎng)度) 
    
    for(i = 1; i <= G->vexnum; i++){  //給dist數(shù)組初始化, 
        dist[i] = G->arcs[s][i]; //將鄰接數(shù)組每一行所對(duì)應(yīng)的列的值填入dist數(shù)組中 
        
        if(G->arcs[s][i] != INFINITY){  //如果權(quán)值不等于無(wú)窮大,則說(shuō)明有路
            path[i][1] = s;   //將起點(diǎn)記錄,path[i]記錄從源點(diǎn)到Vi最短路徑上的各個(gè)頂點(diǎn)
        } 
    }    
    
    path[s][0] = 1;   //置1標(biāo)志,說(shuō)明源點(diǎn)為start 
    
    for(i = 2; i <= G->vexnum; i++){   //尋找各條最短路徑 
        
        mindist = INFINITY;  //將最小初值設(shè)置為無(wú)窮大 
        
        for(j = 1; j <= G->vexnum; j++){//選擇最小權(quán)值的路徑 
        
            if(!path[j][0] && dist[j] < mindist){//j未加入集合S  //path數(shù)組記錄某定點(diǎn)是否加到S中 
                k = j;  //當(dāng)前起點(diǎn)到頂點(diǎn)k權(quán)值最小
                mindist = dist[j];
            }
        }
            if(mindist == INFINITY){
                return;             //不存在start到其他頂點(diǎn)的路徑 
            }
            
            path[k][0] = 1;  // 將頂點(diǎn)k加入到集合S中,說(shuō)明該頂點(diǎn)已經(jīng)被考察 
            
            
            //看有沒有更小的,進(jìn)而更新修改路徑 
            for(j = 1;j <= G->vexnum; j++){   //修改路徑
                if(!path[j][0] && G->arcs[k][j]<INFINITY && dist[k]+G->arcs[k][j] < dist[j]){  //第k行有路且未被選中過(guò)的頂點(diǎn) &&到k的最小權(quán)值+k到j(luò)的權(quán)值<當(dāng)前到j(luò)的最小權(quán)值路徑 
                    dist[j] = dist[k]+G->arcs[k][j];
                    t = 1;
                    while(path[k][t] != 0){   //記錄最新的最短路徑 
                        path[j][t] = path[k][t];
                        t++;
                    }
                    path[j][t] = k;
                    path[j][t+1] = 0;
                }
             }     
    }
}

//打印兩點(diǎn)間的最短路徑
void DijkstraPrint(int start, int end ,AdjMatrix G,int path[][MAXVEX]){
    int i = 2;
    int length = 0;
    printf( "\n\t從%s到%s的最短路徑是:", G.vex[start].name, G.vex[end].name );
    printf( "  %s", G.vex[start].name );
    
    while(path[end][i]){   //記錄的路徑 
        printf("-->%s ",G.vex[path[end][i]].name);
        length += G.arcs[path[end][i-1]][path[end][i]];    
        i++;
    }
    printf( "-->%s", G.vex[end].name );
    length += G.arcs[path[end][i-1]][end];    
    printf( ",長(zhǎng)度為%dM", length);
    printf( "\n");
 } 

//分菜單 最短路徑 
void ShortPath(AdjMatrix G,int dist[],int path[][MAXVEX]){ 
    int i,j,s,e;
    int flag = 1;
    while (flag == 1){
        system("cls");
        printf("\t\t\t\t\t\t——————最短路徑查詢——————\n");
        PrintPlace(&G);
        printf("\n\t\t\t\t\t輸入起點(diǎn)編號(hào):");
        scanf("%d",&s);
        printf("\t\t\t\t\t輸入終點(diǎn)編號(hào):");
        scanf("%d",&e);
        if (s > G.vexnum || s <= 0 || e > G.vexnum || e < 0 || s == e){
            printf("\t\t\t\t\t\t輸入錯(cuò)誤!\n\n");
        }
        else{
            ClearVisited(&G);   //菜單 
            
            Dijkstra(&G,s,e,dist,path); //算法 
            DijkstraPrint(s,e,G,path);//打印 
    
        }
        printf("\n\t\t\t\t\t\t是否繼續(xù)查詢最短路徑?\n");
        printf("\t\t\t\t\t\t1:是\n");
        printf("\t\t\t\t\t\t0:返回上級(jí)菜單\n");
        scanf("%d",&flag);
    }
    system("cls");
}

//路徑二級(jí)主菜單 
void SearchPath(AdjMatrix G,int dist[],int path[][MAXVEX]){ 
    int x,flag = 1;
    while(flag == 1){  //二級(jí)菜單 
        printf("\t\t\t1. 所有簡(jiǎn)單路徑\n");  //各頂點(diǎn)均不重復(fù) 
        printf("\t\t\t2. 最短的簡(jiǎn)單路徑(中轉(zhuǎn)最少)\n");
        printf("\t\t\t3. 最佳訪問(wèn)路徑(最短路徑長(zhǎng)度)\n");
        printf("\t\t\t0. 返回主菜單\n");
        printf("\t\t\t請(qǐng)選擇您需要的操作:");
        scanf("%d",&x);

        switch(x){
            case 1: system("cls");AllPath(G,dist,path);break;
            case 2: system("cls");LitterPath(G);break;
            case 3: system("cls");ShortPath(G,dist,path);break;
            case 0: flag = 0; break;
            default:printf( "\t\t\t\t\t\t\t輸入信息錯(cuò)誤,請(qǐng)重新輸入!\n" ); break;
        }
    system("cls");
   }
}

//注冊(cè)信息
void enroll(){
    char a[100];                   //注冊(cè)用戶名
    char b[100];                   //注冊(cè)密碼
    char s[100];                   //再次確定密碼
    int  len;
    
    
       printf("請(qǐng)輸入您的用戶名:");
    scanf("%s",a);
    
    printf("請(qǐng)?jiān)O(shè)置您的密碼:");
            
    reset: scanf("%s",b);     //用到了if goto語(yǔ)句 

        len = strlen(b);    //讀取密碼長(zhǎng)度 
       
        if(len > 9){
          printf("密碼長(zhǎng)度過(guò)長(zhǎng),請(qǐng)重新設(shè)置:");
          goto reset;    //if goto 語(yǔ)句  
        }
           printf("請(qǐng)?jiān)俅屋斎肽O(shè)置的密碼:");
         scanf("%s",s);
    
        if(strcmp(b,s) == 0){       //字符串比較函數(shù) 
            FILE *fp;
        
            fp=fopen("register.txt","at");     //選用追加方式,可以存多個(gè)信息
        
            if(fp == NULL){
                printf("文件不存在或者請(qǐng)先注冊(cè)!");
                exit(1);                           
             }
        
            fprintf(fp,"%s %s\n",a,b);                    //字符串寫入函數(shù)進(jìn)行寫入操作
            system("cls");
            printf("\n\t------注冊(cè)成功------\n");
            fclose(fp);
        }
        else if(strcmp(b,s) != 0){
            printf("您兩次輸入的密碼不一致,請(qǐng)重新設(shè)置密碼!\n");
            goto reset;          //if goto 語(yǔ)句 
        }
}

//登陸頁(yè)面
int land(){
    int  i = 0;      //i是為了判斷密碼長(zhǎng)度 并加密 
    char a[10];                 
    char b[10];                   

    char user_name[10];           
    char user_passwords[10];      

    printf("請(qǐng)輸入您的用戶名:");
    scanf("%s",user_name);

    printf("請(qǐng)輸入您的密碼:");

    while(i < 9 && (user_passwords[i] = getch()) && user_passwords[i] != '\r'){   //如果輸入超限 或者 遇到換行符就跳出循環(huán)
        printf("*");   //掩飾密碼 
        i++;
    }
    
    user_passwords[i] = 0;   //字符串結(jié)束標(biāo)志 '/0' 
    
    FILE *fp;
    fp=fopen("register.txt","rt");       //又打開文件 
    
    if(fp == NULL){
        printf("文件不存在!");
        exit(1);
    }
    
    while(fscanf(fp,"%s %s",a,b) != EOF){    //讀文件判斷賬號(hào)密碼是否正確     
        if(strcmp(a,user_name) == 0  &&  strcmp(b,user_passwords) == 0){   //字符串比較函數(shù),看是否正確 
             system("cls");
            printf("\n\t\t\t--------登陸成功--------\n");
            return 0;
         } 
    }
    if(1){
        system("cls");
        printf("\n信息輸入錯(cuò)誤!(請(qǐng)檢查注冊(cè)文件信息)\n");
        land();
    }
    fclose(fp);
}

//增加新地點(diǎn)和信息 
void AddPlace(AdjMatrix *G){
    int s,e;
    char filename[30] = "introduce.txt";
    char filename1[30] = "flag.txt";
    
    
    int flag = 1;
    char p[20];
    char i[66];
    
    while (flag == 1){
        //增加地點(diǎn)的地名
        //增加地點(diǎn)的介紹     
        
        printf("請(qǐng)輸入新地點(diǎn)的地名:");
        scanf("%s",p);    
        printf("請(qǐng)輸入新地點(diǎn)的簡(jiǎn)介:");
        scanf("%s",i);    
    
        G->vexnum += 1;  //頂點(diǎn)數(shù)加1 
     
        strcpy(G->vex[G->vexnum].name,p); 
        strcpy(G->vex[G->vexnum].info,i);     
    
        FILE *fp;
        fp = fopen(filename,"at");
        if(fp == NULL){
            printf("\n不能打開!");
            exit(1);
    }
    
    fprintf(fp,"%s\n%s\n",G->vex[G->vexnum].name,G->vex[G->vexnum].info); 
    fclose(fp);

    FILE *fp1;
    fp1 = fopen(filename1,"wt");
    if(fp1 == NULL){
        printf("\n不能打開!");
        exit(1);
    }
    
    fprintf(fp1,"%d %d\n",G->vexnum,G->arcnum); 
    fclose(fp1);

    printf("\t\t添加地點(diǎn)成功,可打開\"introduce文件\"查看!");  //轉(zhuǎn)義字符 
    printf( "\n\t\t\t\t\t\t是否繼續(xù)添加地點(diǎn)?\n" );
    printf( "\t\t\t\t\t\t1:是\n" );
    printf( "\t\t\t\t\t\t0:返回上級(jí)菜單\n" );
    scanf( "%d", &flag );
    
    }
    system("cls"); 
}

//增加新路線    
void AddRoad(AdjMatrix *G){
    int s,e,weight;
    char filename[30] = "adj.txt";
    char filename1[30] = "flag.txt";
    int flag = 1;
    
    while(flag == 1){
        PrintPlace(G);  //打印地點(diǎn)的序號(hào) 
    
           printf("請(qǐng)輸入增加路線的起點(diǎn)序號(hào):");
        scanf("%d",&s);
        printf("請(qǐng)輸入增加路線的終點(diǎn)序號(hào):");
        scanf("%d",&e);
    
        printf("請(qǐng)輸入兩條路線之間的距離:");
        scanf("%d",&weight);        
        G->arcs[s][e] = G->arcs[e][s] = weight;
        
        FILE *fp;
        fp = fopen(filename,"at");
        if(fp == NULL){
            printf("\n不能打開!");
            exit(1);
        }
        fprintf(fp,"%10d %10d %10d\n",s,e,G->arcs[s][e]);
        fclose(fp);
        
        FILE *fp1;
        fp1 = fopen(filename1,"at");
        if(fp1 == NULL){
            printf("\n不能打開!");
            exit(1);
        }
        
        G->arcnum += 1; //邊數(shù)+1
        fprintf(fp1,"%d %d\n",G->vexnum,G->arcnum); 
        fclose(fp1); 

        system("cls");
        printf("\t\t添加路線成功,可打開\"adj文件\"查看!");  //轉(zhuǎn)義字符 
        printf( "\n\t\t\t\t\t\t是否繼續(xù)添加路線?\n" );
        printf( "\t\t\t\t\t\t1:是\n" );
        printf( "\t\t\t\t\t\t0:返回上級(jí)菜單\n" );
        scanf( "%d", &flag );
    }
    system("cls"); 
}
    
//刪除路線 
void DelRoad(AdjMatrix *G){
    int s,e,weight,i,j;
    char filename[30] = "adj.txt";
    char filename1[30] = "flag.txt";
    int flag = 1;
    
    FILE *fp;
    fp = fopen(filename,"at");
    if(fp == NULL){
        printf("\n不能打開!");
        exit(1);
    }
    
    FILE *fp1;
    fp1 = fopen(filename1,"wt");
    if(fp == NULL){
        printf("\n不能打開!");
        exit(1);
    }
    
    while(flag == 1){
    
        PrintPlace(G);
    
        printf("請(qǐng)輸入撤銷路線的起點(diǎn)序號(hào):");
        scanf("%d",&s);
        printf("請(qǐng)輸入撤銷路線的終點(diǎn)序號(hào):");
        scanf("%d",&e);
    
        //遍歷adj文件,如果遍歷到s和e,那么給它的值賦予無(wú)窮大        
           G->arcs[s][e] = G->arcs[e][s] = INFINITY;
          fprintf(fp,"%10d %10d %10d\n",s,e,G->arcs[s][e]);
      
          G->arcnum -= 1; //邊數(shù)-1
        fprintf(fp1,"%d %d\n",G->vexnum,G->arcnum); 
          fclose(fp); 
           fclose(fp1);
        system("cls");
        printf("\t\t撤銷路線成功,可打開\"adj文件\"查看!");  //轉(zhuǎn)義字符 
        printf( "\n\t\t\t\t\t\t是否繼續(xù)撤銷路線?\n" );
        printf( "\t\t\t\t\t\t1:是\n" );
        printf( "\t\t\t\t\t\t0:返回上級(jí)菜單\n" );
        scanf( "%d", &flag );               
   } 
    system("cls");     
} 

//游客
void User(){
    int x;
    int dist[MAXVEX];// 記錄各條最短路徑長(zhǎng)度 
    int    path[MAXVEX][MAXVEX] = {0};//記錄對(duì)應(yīng)路徑上的各頂點(diǎn)
    AdjMatrix G;   //鄰接矩陣   
    Create(&G); 
    while(1){
        printf("\t\t\t1. 校園平面圖\n");
        printf("\t\t\t2. 地點(diǎn)信息查詢\n");
        printf("\t\t\t3. 問(wèn)路查詢\n");
        printf("\t\t\t0. 退出\n"); 
        printf("\t\t\t請(qǐng)選擇您需要的操作:");
        scanf("%d",&x);
    
        switch(x){
        case 1: system("cls"); MapOutput(); break;
        case 2: system("cls"); IntroducePlace(G); break;
        case 3: system("cls"); SearchPath(G,dist,path); break;
        case 0: printf("\n\t\t\t\t\t\t\t"); exit(0); break;
        default: printf("\n———————————————輸入信息錯(cuò)誤,請(qǐng)重新輸入!!!————————————————————\n"); break;
        }
    } 
}

//管理員菜單 
void OwnerMeau(AdjMatrix G){
    int c;
    int x;
    int dist[MAXVEX];// 記錄各條最短路徑長(zhǎng)度 
    int    path[MAXVEX][MAXVEX] = {0};//記錄對(duì)應(yīng)路徑上的各頂點(diǎn)
    while(1){
        printf("\t\t\t1. 添加新地點(diǎn)\n");
        printf("\t\t\t2. 添加新路線\n");
        printf("\t\t\t3. 撤銷舊路線\n");
        printf("\t\t\t4. 校園平面圖\n");
        printf("\t\t\t5. 地點(diǎn)信息查詢\n");
        printf("\t\t\t6. 問(wèn)路查詢\n");
        printf("\t\t\t0. 退出\n"); 
        printf("\t\t\t請(qǐng)選擇您需要的操作:");
        scanf("%d",&c);
        getchar();
    
        switch(c){
            case 1: system("cls"); AddPlace(&G); break;
            case 2: system("cls"); AddRoad(&G); break;
            case 3: system("cls"); DelRoad(&G); break;
            case 4: system("cls"); MapOutput(); break;
            case 5: system("cls"); IntroducePlace(G); break;
            case 6: system("cls"); SearchPath(G,dist,path); break;
            case 0: printf("\n\t\t\t\t\t\t\t"); exit(0);
            default: printf("\n———————————————輸入信息錯(cuò)誤,請(qǐng)重新輸入!!!————————————————————\n"); break;    
        }
    }
}

//管理員登錄 
void Owner(){
    int x;
    int dist[MAXVEX];// 記錄各條最短路徑長(zhǎng)度 
    int    path[MAXVEX][MAXVEX] = {0};//記錄對(duì)應(yīng)路徑上的各頂點(diǎn)
    AdjMatrix G;   //領(lǐng)接矩陣 
    MapFile(G); 
    IntroduceFile(G);  //向文件中存入介紹信息 
    AdjFile(G);    //向文件中存入鄰接矩陣信息 
    Create(&G);
    
    system("cls");
    printf("\t\t1.登陸\t\t\t2.注冊(cè)并登錄\n");
    printf("請(qǐng)選擇序號(hào):");
    
    while(1){
        scanf("%d",&x);
        switch(x){
             case 1:  land(); OwnerMeau(G); break;
            case 2:  enroll(); land(); OwnerMeau(G); break;
            default: printf( "\n———————————————輸入無(wú)效,請(qǐng)重新正確輸入!!!————————————————————\n"); break;
        }        
    } 
}

//主函數(shù) 
int main(){
     int flag;
    
    printf("——————————————————————————————————————————————\n"); 
    printf("\n\t\t\t歡迎使用西安郵電大學(xué)長(zhǎng)安校區(qū)導(dǎo)游系統(tǒng) !\n\n");   
    printf("——————————————————————————————————————————————\n");
    printf("\n\n\n"); 
    
    //游客or管理員 
    printf("\t\t1.我是游客\t\t\t2.我是管理員\n");
    printf("請(qǐng)選擇序號(hào):");
    
    while(1){
        scanf("%d",&flag);
        switch(flag){
             case 1: system("cls"); User(); break;
            case 2: system("cls"); Owner(); break;
            default: printf("\n———————————————輸入無(wú)效,請(qǐng)重新正確輸入!!!————————————————————\n"); break;
        }
    } 
}

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