/*copyright（c）2018.燕京理工學(xué)院信息科學(xué)與技術(shù)學(xué)院?
?*?All?rights?reserved?
?*?文件名稱(chēng)：demo.Cpp?
?*?作者：路朋澤
?*?完成日期：2018年9月19日?
?*?版本號(hào)：codeblock?
?*?
?*?問(wèn)題描述:??學(xué)生信息管理系統(tǒng)
?*?輸入描述:?
?*?程序輸出：?輸出結(jié)果?
?*/??
?
#include?
#include?
#include?
#include?
#include?
#?define?LEN?sizeof（struct?Student）
struct?Student?{
char?num[100];?????????????????//學(xué)號(hào)
char?name[200];???????????????//姓名
char?sex[100];???????????????//性別
int?age;????????????????????//年齡
char?phone[120];???????????//電話(huà)
char?address[120];????????//地址
char?birthday[200];??????//生日
char?mail[200]?;????????//郵件
struct?Student?*next;
};
void?menu（）;
void?start（）;
void?welcome（）;
char?filename[30];//全局變量，用來(lái)保存要打開(kāi)的文件名字
struct?Student?*Creat（int?n）;
//生成鏈表
struct?Student?*Creat（int?n）
{
????void?menu_print_in（void）;
????struct?Student?*head;
????struct?Student?*p1?*p2;
?
????system（“cls“）;
????for（int?i=1;i????????p1?=?（struct?Student*）malloc（LEN）;
????????menu_print_in（）;
????????scanf（“%s%s%s%d%s%s%s%s“p1->nump1->namep1->sex
????????&p1->agep1->phonep1->addressp1->birthdayp1->mail）;
????????p1->next?=?NULL;
????????if（i==1）
		{
????????????head?=?p2?=?p1;
????????}
????????else?{
????????????p2->next?=?p1;
????????????p2?=?p1;
????????}
????}
????return（head）;
}
?
//數(shù)據(jù)存盤(pán)（wb只寫(xiě)）
void?WriteData_wb（struct?Student?*head）?{
????FILE?*fp;
????struct?Student?*p;
????if（（fp?=?fopen（filename?“wb“））==NULL）
????printf（“\a?文件打開(kāi)錯(cuò)誤“）;
????p?=?head;
????while（p!=NULL）?{
????????if（fwrite（pLEN1fp）!=1）?{
????????????printf（“寫(xiě)入數(shù)據(jù)出錯(cuò)\n“）;
????????????fclose（fp）;
????????????return;
????????}
????????p=p->next;
????}
????fclose（fp）;
}
?
//數(shù)據(jù)存盤(pán)（ab追加）
void?WriteData_ab（struct?Student?*head）
{
????FILE?*fp;
????struct?Student?*p;
????if（（fp?=?fopen（filename?“ab“））==NULL）
????printf（“\a?文件打開(kāi)錯(cuò)誤!“）;
????p?=?head;
????while（p!=NULL）?{
????if（fwrite（pLEN1fp）!=1）?{
????????????printf（“寫(xiě)入數(shù)據(jù)出錯(cuò)\n“）;
????????????fclose（fp）;
????????????return;
????????}
????????p=p->next;
????}
????fclose（fp）;
}
?
?
//讀取數(shù)據(jù)文件保存到鏈表中?，返回指向此鏈表頭指針
struct?Student?*ReadData（void）
{
????struct?Student?*head?=?NULL;
????struct?Student?*p1?*p2;//s?=?p1;p?=?p2;
?
????FILE?*fp;
????if（（fp=fopen（filename“rb+“））==NULL）
????{
????????printf（“打開(kāi)文件出錯(cuò)\n“）;
????????exit（0）;
????}
????while（!feof（fp））?{
????????if（（p1=（struct?Student*）malloc（LEN））==NULL）{
????????????printf（“內(nèi)存申請(qǐng)出錯(cuò)\n“）;
????????????fclose（fp）;
????????????exit（0）;
????????}
????????if（fread（p1LEN1fp）!=1）{
????????????free（p1）;
????????????break;
????????}
????????if（head==NULL）
????????head=p2=p1;
????????else{
????????????p2->next=p1;
????????????p2=p1;
????????}
????}
????fclose（fp）;
????return?（head）;
}
?
//全部查詢(xún)
void?display（）
{
????system（“cls“）;
????void?menu_print_out（void）;
????struct?Student?*p;
????p?=?ReadData（）;
????menu_print_out（）;
????do
????{
????????printf（“%-10s%6s%8s%4d%13s%11s??%4s??%4s“

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----
?????目錄???????????0??2018-09-25?08:58??數(shù)據(jù)結(jié)構(gòu)課設(shè)\數(shù)據(jù)結(jié)構(gòu)\
?????文件???????14174??2018-09-19?15:34??數(shù)據(jù)結(jié)構(gòu)課設(shè)\數(shù)據(jù)結(jié)構(gòu)\StudentDemo.cpp
?????文件??????141570??2018-09-19?15:36??數(shù)據(jù)結(jié)構(gòu)課設(shè)\數(shù)據(jù)結(jié)構(gòu)\StutendDemo.exe
?????文件????????1056??2018-09-19?15:37??數(shù)據(jù)結(jié)構(gòu)課設(shè)\數(shù)據(jù)結(jié)構(gòu)\student.txt
?????文件?????????148??2018-10-15?20:21??數(shù)據(jù)結(jié)構(gòu)課設(shè)\數(shù)據(jù)結(jié)構(gòu)\使用說(shuō)明.txt
?????文件??????280064??2018-10-15?20:19??數(shù)據(jù)結(jié)構(gòu)課設(shè)\數(shù)據(jù)結(jié)構(gòu).doc
?????目錄???????????0??2018-10-15?20:19??數(shù)據(jù)結(jié)構(gòu)課設(shè)\