c语言实现图书馆管理系统(文件数据库)（c语言图书馆管理系统源代码）

本文实例为大家分享了C语言实现图书馆管理系统的具体代码，供大家参考，具体内容如下

全部代码如下：

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 #include <stdio.h> #include<string.h> #include<stdlib.h> #include <mysql.h> #pragma comment (lib,"libmysql.lib") //#pragma comment ( lib,"xxx.lib" ) //表示鏈接xxx.lib這個庫，告訴編譯器你要用到xxx.lib庫 //和在工程設置裡寫上鍊入xxx.lib的效果一樣，不過這種方法寫的程序別人在使用你的代碼的時候就不用再設置工程settings了。 MYSQL mysql; MYSQL_RES *result; //定义结果集变量 MYSQL_ROW row; //定义行变量 char ch[2]; void inquire() { void menu(); printf("\n\t显示主清单<y/n>\n"); scanf("%s", ch); if (strcmp(ch, "y") == 0 || strcmp(ch, "Y") == 0) { menu(); } else exit(0); } void ShowAll() { system("cls"); mysql_init(&mysql); mysql_query(&mysql, "set names 'utf8'"); if (!mysql_real_connect(&mysql, "localhost", "root", "密码", "db_book", 0, NULL, 0)) printf("\ncan't connect db_book!\n"); else { if (mysql_query(&mysql, "select * from tb_book")) { printf("查询失败\n"); } else { puts("\t|=====================================================|\n"); puts("\t| 显示所有图书信息 |\n"); puts("\t|=====================================================|\n"); puts("\t| 图书编号图书名作者出版社 |\n"); result = mysql_store_result(&mysql); if (mysql_num_rows(result)) { while (row = mysql_fetch_row(result)) { printf("\t\t%s\t %s\t %s\t %s\n", row[0], row[1], row[2], row[3]); } } mysql_free_result(result); } puts("\t|=====================================================|\n"); getchar(); mysql_close(&mysql);//关闭连接 } } void AddBook() { char id[10]; char bookname[10],author[10], bookconcern[10], *sql; char dest[100] = { " " }; system("cls"); mysql_init(&mysql); if (!mysql_real_connect(&mysql, "localhost", "root", "xin088748*", "db_book", 0, NULL, 0)) printf("can not connect\n"); else { if (mysql_query(&mysql, "select * from tb_book")) { printf("can not open\n"); } else { result = mysql_store_result(&mysql); mysql_num_rows(result); row = mysql_fetch_row(result); printf("\tID:"); scanf("%s", id); if (mysql_num_rows(result)) { do { if (!strcmp(id, row[0])) { printf("\t记录存在"); getchar(); mysql_free_result(result); mysql_close(&mysql); return; } } while (row = mysql_fetch_row(result)); } printf("\t图书名："); scanf("%s", bookname); printf("\t作者："); scanf("%s", author); printf("\t出版社："); scanf("%s", bookconcern); sql = "insert into tb_book (ID,bookname,author,bookconcern) values('"; strcat(dest, sql); strcat(dest, id); strcat(dest, "','"); strcat(dest, bookname); strcat(dest, "','"); strcat(dest, author); strcat(dest, "','"); strcat(dest, bookconcern); strcat(dest, "')"); if (mysql_query(&mysql, dest)) //fprintf(stderr, "error!", mysql_error(&mysql)); printf("error!\n"); else { mysql_free_result(result); } } mysql_close(&mysql);//关闭连接 } } void ModifyBook() { system("cls"); char dest[100]; mysql_init(&mysql); mysql_query(&mysql, "set name 'utf8'"); if (!mysql_real_connect(&mysql, "localhost", "root", "xin088748*", "db_book", 0, NULL, 0)) { puts("can't net mysql\n"); return; } else { char id[10],*sql; char dest[100] = {" "}; printf("请输入你要修改的图书编号："); scanf("%s", id); sql = "select * from tb_book where ID = "; strcat(dest, sql); strcat(dest, id); if (mysql_query(&mysql, dest)) { printf("\n 查询数据表失败\n"); } else { result = mysql_store_result(&mysql); if (mysql_num_rows(result)) { puts("\t|=====================================================|\n"); puts("\t| 显示所有图书信息 |\n"); puts("\t|=====================================================|\n"); puts("\t| 图书编号图书名作者出版社 |\n"); while (row = mysql_fetch_row(result)) { printf("\t\t%s\t %s\t %s\t %s\n", row[0], row[1], row[2], row[3]); } printf("Mondify? <y/n>\n"); scanf("%s", ch); if (!strcmp(ch, "Y") || !strcmp(ch, "y")) { char bookname[10], author[10], bookconcern[10]; char dest1[100] = {" "}; printf("\t图书名："); scanf("%s", bookname); printf("\t作者："); scanf("%s", author); printf("\t出版社："); scanf("%s", bookconcern); sql = "update tb_book set bookname = '"; strcat(dest1, sql); strcat(dest1, bookname); strcat(dest1, "',author = '"); strcat(dest1, author); strcat(dest1, "',bookconcern = '"); strcat(dest1, bookconcern); strcat(dest1, "' where ID = '"); strcat(dest1, id); strcat(dest1, "'"); if (mysql_query(&mysql,dest1)) printf("修改失败\n"); else printf("修改成功\n"); } } else { printf("没有发现要修改的信息\n"); } mysql_free_result(result); } } mysql_close(&mysql); } void DeleteBook() { system("cls"); mysql_init(&mysql); if (!mysql_real_connect(&mysql, "localhost", "root", "xin088748*", "db_book", 0, NULL, 0)) { printf("can't net mysql\n"); } else { printf("你想要删除的编号："); char id[10]; scanf("%s", id); char dest[100] = { " " }; char *sql; sql = "select * from tb_book where ID = "; strcat(dest, sql); strcat(dest, id); if (mysql_query(&mysql, dest)) { printf("\n 查询数据表失败\n"); } else { result = mysql_store_result(&mysql); if (mysql_num_rows(result)) { puts("\t|=====================================================|\n"); puts("\t| 显示所有图书信息 |\n"); puts("\t|=====================================================|\n"); puts("\t| 图书编号图书名作者出版社 |\n"); while (row = mysql_fetch_row(result)) { printf("\t\t%s\t %s\t %s\t %s\n", row[0], row[1], row[2], row[3]); } printf("Delete? <y/n>\n"); scanf("%s", ch); if (!strcmp(ch, "Y") || !strcmp(ch, "y")) { char dest1[100] = { " " }; sql = "delete from tb_book where ID = "; strcat(dest1, sql); strcat(dest1, id); printf("\n%s\t", dest1); if (mysql_query(&mysql, dest1)) printf("删除失败\n"); else printf("删除成功\n"); } } else puts("没有查询到此数据\n"); mysql_free_result(result); } } mysql_close(&mysql); } void Querybook() { system("cls"); mysql_init(&mysql); if (!mysql_real_connect(&mysql, "localhost", "root", "xin088748*", "db_book", 0, NULL, 0)) { puts("can't net mysql\n"); return; } else { char id[10]; char *sql, dest[100] = {" "}; printf("请输入要查询的图书编号：\n"); scanf("%s", id); sql = "select * from tb_book where ID = "; strcat(dest, sql); strcat(dest, id); if (mysql_query(&mysql, dest)) printf("查询失败\n"); else { result = mysql_store_result(&mysql); if (mysql_num_rows(result)) { puts("\t|=====================================================|\n"); puts("\t| 显示所有图书信息 |\n"); puts("\t|=====================================================|\n"); puts("\t| 图书编号图书名作者出版社 |\n"); while (row = mysql_fetch_row(result)) { printf("\t\t%s\t %s\t %s\t %s\n", row[0], row[1], row[2], row[3]); } } else puts("没有发现要查询的数据\n"); mysql_free_result(result); } } mysql_close(&mysql); } void menu() { puts("\t|=====================================================|\n"); puts("\t| Welcome To Lemon Books System |\n"); puts("\t|=====================================================|\n"); puts("\t| 1 - 显示所有图书信息 |\n"); puts("\t| 2 - 添加图书信息 |\n"); puts("\t| 3 - 修改图书信息 |\n"); puts("\t| 4 - 删除图书信息 |\n"); puts("\t| 5 - 查询图书信息 |\n"); puts("\t| 6 - 退出图书系统 |\n"); puts("\t|=====================================================|\n\n"); puts("\tENTER YOUR CHOICE<1-6>\n"); int i; scanf("%d", &i); while (i > 0 && i < 7) { switch (i) { case 1:ShowAll(); inquire(); break; case 2:AddBook(); inquire(); break; case 3:ModifyBook(); inquire(); break; case 4:DeleteBook(); inquire(); break; case 5:Querybook(); inquire(); break; default:puts("enter error!please enter again\n"); exit(0); } scanf("%d",&i); } } int main() { menu(); }