#include #define ALL 10
void creat_table(sqlite3 * db) //创建表，记录车位信息
{
char *sql;
char *errmsg;
int ret;
sql = "create table if not exists mytable (id integer primary key,name text,entertm integer,exittm integer,stall text,entertime text,exittime text);";
ret = sqlite3_exec(db,sql,NULL,NULL,&errmsg);
if(ret != SQLITE_OK)
{
printf("create table fail!:%s\n",errmsg);
exit(-1);
}
}
void creat_new(sqlite3 * db) //创建新表，保存该停车场的所有停车记录
{
char *sql;
char *errmsg;
int ret;
sql = "create table if not exists newtable (id integer,name text,stall text,entertime text,exittime text);";
ret = sqlite3_exec(db,sql,NULL,NULL,&errmsg);
if(ret != SQLITE_OK)
{
printf("create table fail!:%s\n",errmsg);
exit(-1);
}
}
void insert_init(sqlite3 * db) //对创建的车位进行初始化
{
int i;
int j = 0;
for(i = 0;i < ALL; i++)
{
int ret;
char *sql;
char *errmsg;
sql="insert into mytable(id,name,entertm,exittm,stall,entertime,exittime) values(NULL,'no',NULL,NULL,'no','no','no');";
ret = sqlite3_exec(db,sql,NULL,NULL,&errmsg);
if(ret != SQLITE_OK)
{
printf("insert fail!%s\n",errmsg);
exit(-1);
}
}
}
void insert_value(sqlite3* db) //车主选择位置自由停车
{
int ret,a;
char sql[100];
char *errmsg;
char name[10];
time_t t;
printf("输入车牌号:\n");
scanf("%s",name);
printf("选择车位:\n");
scanf("%d",&a);
t = time(NULL);
struct tm *tb;
tb = localtime(&t);
sprintf(sql,"update mytable set name = '%s',entertm = %d,stall = 'parking',entertime = '%d.%d.%d %d:%d:%d' where id = %d;",name,t,tb->tm_year+1900,tb->tm_mon+1,tb->tm_mday,tb->tm_hour,tb->tm_min,tb->tm_sec,a);
ret = sqlite3_exec(db,sql,NULL,NULL,&errmsg);
if(ret != SQLITE_OK)
{
printf("insert fail!%s\n",errmsg);
exit(-1);
}
}
void select_all(sqlite3 *db) //查看该停车场的车位状况
{
int ret;
int i;
int row = 0;
int column = 0;
char * sql;
char ** presult;
char *errmsg;
sql = "select id,name,stall from mytable;";
ret = sqlite3_get_table(db,sql,&presult,&row,&column,&errmsg);
if(ret != SQLITE_OK)
{
printf("select fail:%s\n",errmsg);
exit(-1);
}
for(i = 0;i < (ALL + 1) * column;i++)
{
printf("%15s",presult[i]);
if((i + 1)%column == 0)
{
printf("\n");
}
if((i + 1) == column)
{
printf("---------------------------------------------------------\n");
}
}
}
void update_exittm(sqlite3 *db) //离开车位，计算费用，更新车位信息
{
int ret1,ret2,ret3;
int a,b;
int row = 0;
int column = 0;
char ** presult;
char sql1[100];
char sql2[100];
char sql3[100];
char * errmsg1;
char * errmsg2;
char * errmsg3;
char name[10];
time_t t;
struct tm *td;
printf("输入车牌号:\n");
scanf("%s",name);
t = time(NULL);
td = localtime(&t);
sprintf(sql1,"update mytable set exittm = %d,exittime = '%d.%d.%d %d:%d:%d' where name = '%s';",t,td->tm_year+1900,td->tm_mon+1,td->tm_mday,td->tm_hour,td->tm_min,td->tm_sec,name);
ret1 = sqlite3_exec(db,sql1,NULL,NULL,&errmsg1); //离开车位
if(ret1 != SQLITE_OK)
{
printf("update fail:%s\n",errmsg1);
exit(-1);
}
sprintf(sql3,"select entertm,exittm from mytable where name like '%s';",name);
ret3 = sqlite3_get_table(db,sql3,&presult,&row,&column,&errmsg3);
if(ret3 != SQLITE_OK)
{
printf("select fail :%s\n",errmsg3);
exit(-1);
}
sprintf(sql3,"insert into newtable(id,name,entertime,exittime) select id,name,entertime,exittime from mytable where name like '%s';",name);
sqlite3_exec(db,sql3,NULL,NULL,&errmsg1); //将该车的停车信息保存到新表中
a = atoi(presult[2]);
b = atoi(presult[3]);
printf("总费用：%d元\n",(b-a)/3600*2); //计算费用
sprintf(sql2,"update mytable set stall = 'no',name = 'no',entertime = 'no' where name = '%s';",name);
ret2 = sqlite3_exec(db,sql2,NULL,NULL,&errmsg2);
if(ret2 != SQLITE_OK)
{
printf("delete fail:%s\n",errmsg2);
exit(-1);
}
}
void select_name(sqlite3 * db) //按照车牌信息查找该车的停车记录
{
int ret,i;
int row = 0;
int column = 0;
char ** presult;
char sql[100];
char *errmsg;
char name[20];
while(1)
{
printf("输入车牌号:(q quit)\n");
scanf("%s",name);
if(strcmp(name,"q") == 0)
return;
sprintf(sql,"select id,name,entertime,exittime from newtable where name like '%s';",name);
ret = sqlite3_get_table(db,sql,&presult,&row,&column,&errmsg);
if(ret != SQLITE_OK)
{
printf("select fail :%s\n",errmsg);
exit(-1);
}
for(i = 0;i < (row + 1) * column;i++)
{
printf("%20s",presult[i]);
if((i + 1)%column == 0)
{
printf("\n");
}
if((i + 1) == column)
{
printf("-------------------------------------------------------------------------------\n");
}
}
}
}
void select_newall(sqlite3 *db) //查看该停车场的所有停车记录
{
int ret;
int i;
int row = 0;
int column = 0;
char * sql;
char ** presult;
char *errmsg;
sql = "select id,name,entertime,exittime from newtable;";
ret = sqlite3_get_table(db,sql,&presult,&row,&column,&errmsg);
if(ret != SQLITE_OK)
{
printf("select fail:%s\n",errmsg);
exit(-1);
}
for(i = 0;i < (row + 1) * column;i++)
{
printf("%20s",presult[i]);
if((i + 1)%column == 0)
{
printf("\n");
}
if((i + 1) == column)
{
printf("-----------------------------------------------------------------------------------\n");
}
}
}
void menu()
{
printf("\n**************************\n");
printf("** 1)查看空位 ** 2)停车 **\n");
printf("** 3)离开交费 ** 4)退出 **\n");
printf("** 5)管理员系统 **\n");
printf("** 收费标准２￥/h **\n");
printf("** 30分钟免费 **\n");
printf("**************************\n\n");
}
int main()
{
int ret,i;
int a = 0;
int b,c;
sqlite3 *db;
ret = sqlite3_open("park.db",&db);
if(ret != SQLITE_OK)
{
printf("open fail!\n");
exit(-1);
}
creat_table(db);
creat_new(db);
insert_init(db);
while(a != 4)
{
menu();
printf("选择操作：");
scanf("%d",&a);
switch(a)
{
case 1:select_all(db);break;
case 2:insert_value(db);break;
case 3:update_exittm(db);break;
case 5:{
printf("输入管理员密码(123456)：\n");
scanf("%d",&c);
if(c == 123456)
{
b = 0;
while(b != 3)
{
printf("1)查看所有停车记录 2)查找车辆停车信息 3)退出\n");
scanf("%d",&b);
switch(b)
{
case 1:select_newall(db);break;
case 2:select_name(db);break;
}
}
}
else
printf("没有权限！\n");
}break;
}
}
sqlite3_close(db);
return 0;
}