#include?
#include?
#include?
#include?
#include?

using?namespace?std;

void?create_table（?string?str1?）;
void?insert_into（?string?str1?）;
void?delete_from（?string?str1?）;
void?select（?string?str1?）;
void?display（?char*?tablename?）;
void?update_table（?string?str1?）;

int?number_of_property（string?str）;??//計算屬性的個數
int?find_property_place（?string?cpname_1string?tablename_1?）;???//返回屬性在文件中的位置是第幾個
int?readmodel（string?tablename_1）;??//找是否有名為tablename_1的表
int?complex_condition_ornot（?string?cpname_1string?condition_1string?cpvalue_1string?shuxing_1）;//判斷是否滿足條件
int?check_keyword（?string?st1char*?tablename?）;???//插入的元組中主鍵是否已經存在

string?yuanzu;

int?main（）
{
????string?str1str2;
????cout?<se?management?system!*******************“?<?????????<?????????<se?journey!********************“?<????while（1）
????{
????????cout?<“;
????????getline（cin?str1）;
????????if（str1.compare（“leave“）==0）
????????{
????????????cout?<????????????break;
????????}
????????int?i=0;
????????while（str1[i]!=‘?‘）
????????????i++;
????????str2=str1.substr（0i）;
????????if（?str2.compare（?“create“?）==0?）
????????????create_table（str1）;
????????if（?str2.compare（?“insert“?）==0?）
????????????insert_into（str1）;
????????if（?str2.compare（?“delete“?）==0?）
????????????delete_from（str1）;
????????if（?str2.compare（?“select“?）==0?）
????????????select（str1）;
????????if（?str2.compare（?“update“?）==0?）
????????????update_table（str1）;
????????cout?<????}
????return?0;
}
void?create_table（?string?str1?）
{
????char?modelstr[50];??//存入model中的表的信息
????str1.copy（?modelstr?str1.length（）-13?13?）;
????modelstr[str1.length（）-13]?=‘\0‘;
????FILE?*fp;
????if（（fp=fopen（“D:\\model.txt““at+“））==NULL）
????????cout?<????fputs（modelstr?fp）;
????fputc（‘\n‘fp）;
????fclose（fp）;
????string?tmp=modelstr;
????int?i=0;
????while（?tmp[i]!=‘（‘?）
????????i++;
????char?filename[20];
????tmp.copy（?filename?i?0）;
????filename[i]=‘\0‘;
????char?s[30];
????sprintf（s?“D:\\%s.txt“filename）;
????if（（fp=fopen（s“at+“））==NULL）
????????cout?<????fclose（fp）;
}
void?insert_into（?string?str1?）
{
????//找出表名
????int?i=0startend;
????string?property;
????char?property1[20];
????while（?str1[i]!=‘（‘）
????????i++;
????char?tablename[20];
????str1.copy（tablenamei-1212）;
????i=0;
????while（?tablename[i]!=‘?‘?）
????????i++;
????tablename[i]=‘\0‘;
????string?tablename_1=tablename;???//要插入的table的名字
????FILE?*fp;
????char?s[30];
????sprintf（s?“D:\\%s.txt“tablename）;
????if（（fp=fopen（s“rt“））==NULL）
???????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????998852??2013-11-01?16:14??DBMS_happy\bin\Debug\DBMS_happy.exe

?????文件???????1065??2013-10-25?15:05??DBMS_happy\DBMS_happy.cbp

?????文件????????266??2013-11-01?15:59??DBMS_happy\DBMS_happy.depend

?????文件????????240??2013-11-02?14:39??DBMS_happy\DBMS_happy.layout

?????文件??????41096??2013-11-01?16:14??DBMS_happy\main.cpp

?????文件?????112361??2013-11-01?16:14??DBMS_happy\obj\Debug\main.o

?????文件?????179251??2013-11-01?17:37??DBMS_happy\report.doc

?????目錄??????????0??2013-11-18?19:33??DBMS_happy\bin\Debug

?????目錄??????????0??2013-11-18?19:33??DBMS_happy\obj\Debug

?????目錄??????????0??2013-11-18?19:33??DBMS_happy\bin

?????目錄??????????0??2013-11-18?19:33??DBMS_happy\obj

?????目錄??????????0??2013-12-16?21:45??DBMS_happy

-----------?---------??----------?-----??----

??????????????1333131????????????????????12