intrest

2022年11月15日发(作者：茉莉花茶产地)//ProgramName:StudentInformationManagementSystem

//ProgramPurpo:This is a student information management system which can input、arch and alter the student information .

//Programmer:焦向宁、陈炳仁、潘倩、于睿



using System;

using c;

using entModel;

using ;

using ;

using ;





namespace StdInfManSys

{

class Program

{





public static void Main(string[] args)

{

string a = "" + e + "" + e + "" + e + "" + e + "";



ine(a); //空行



oundColor = ; //字体颜色



ine("t#~~~~~~~~~~~~~~~~~~~***************~~~~~~~~~~~~~~~~~~~~~~#");

ine("t# #");

ine("t# #");

ine("t# 学生信息管理系统 #");

ine("t# #");

ine("t# #");

ine("t# 制作者：焦向宁、陈柄任、潘倩、于睿 #");

ine("t#~~~~~~~~~~~~~~~~~~~***************~~~~~~~~~~~~~~~~~~~~~~#");

//表头

oundColor = ;



("ttt请按Enter键进入系统操作界面"); //按ENTER键进入操作界面

string strPwd = ne();

bool blLogin = (strPwd == "");

string strInfo = blLogin ? "t*****************欢迎进入学生信息管理系统*****************" : "输入错误";

ine(strInfo);



ine("请选择操作选项(1-录入信息、2-查询信息、3-修改信息、4-删除信息、0-退出程序)：");



/***

操作主菜单

***/



int Operate1; //用户用来选择的操作

Operate1 = 32(ne());



while (Operate1 != 0)

{

switch (Operate1)

{

/****************************************录入学生信息****************************************/



//在TXT文档中输入学生信息



ca 1:

{



ine("请输入学生个数：");



int Number = 32(ne());

int Counter ;



for (Counter = 0; Counter < Number; Counter++)

{

ine("请依次输入学生姓名、学号、性别、年龄、专业和爱好:");



string path = @"D:"; //在D盘上创建TXT文档：SIMS



Student std = new Student(); //定义对象std,并将其信息输入到SIMS文件中

string appenAllText = + " " + + " " + + " " + + " " + + " " + t + e;

AllText(path, appenAllText);





}

}



break;



/****************************************查询学生信息****************************************/



ca 2:



ine("请选择查询方式(5-按姓名查询、6-按学号查询、7-按性别查询、8-按年龄查询、9-按专业查询、10-按爱好查询、11-全部显示)：");



int Operate2; //用户用来选择的操作

Operate2 = 32(ne());



switch (Operate2)

{

ca 5: //按学生姓名查询



ine("请输入所要查询的学生的姓名：");



string Line;

StreamReader sr = new StreamReader("D:");

string NAME = ne();



while ((Line = ne()) != null)

{

if (ns(NAME))

ine(Line);

}



();

e();



break;



ca 6: //按学生学号查询



ine("请输入所要查询的学生学号：");



string Line1;

StreamReader sr1 = new StreamReader("D:SI

");

string NUMBER = ne();



while ((Line1 = ne()) != null)

{

if (ns(NUMBER))

ine(Line1);

}



();

e();



break;



ca 7: //按学生性别查询



ine("请输入所要查询的学生性别：");



string Line2;

StreamReader sr2 = new StreamReader("D:");

string SEX = ne();



while ((Line2 = ne()) != null)

{

if (ns(SEX))

ine(Line2);

}



();

e();



break;



ca 8: //按学生年龄查询



ine("请输入所要查询的学生的年龄：");



string Line3;

StreamReader sr3 = new StreamReader("D:");

string AGE = ne();



while ((Line3 = ne()) != null)

{

if (ns(AGE))

ine(Line3);

}



();

e();



break;



ca 9: //按学生专业查询



ine("请输入所要查询的学生的专业：");



string Line4;

StreamReader sr4 = new StreamReader("D:");

string MAJOR = ne();



while ((Line4 = ne()) != null)

{

if (ns(MAJOR))

ine(Line4);

}





();

e();



break;



ca 10: //按学生兴趣查询



ine("请输入所要查询的学生的爱好：");



string Line5;

StreamReader sr5 = new StreamReader("D:");

string INTREST = ne();



while ((Line5 = ne()) != null)

{

if (ns(INTREST))

ine(Line5);

}



();

e();



break;



ca 11: // 显示文件的全部内容



StreamReader reader = new StreamReader("D:");

string all = End();

ine(all);



();

e();



break;



default:

ine("{0}
{1}", "错误!", "请重新输入!");

break;

}



break;



/***************************************修改学生信息****************************************/



ca 3:

ine("请输入您要修改的某行中包含的一条信息：");

string WrongLine = ne();



int LinNum = 0;

int LN = LinNum ;



StreamReader SR = new StreamReader("D:");



string LINE ;



while ((LINE = ne()) != null)

{

if (ns(WrongLine))

{

LN = LinNum;

}

el

LinNum = LinNum + 1;

}



();

e();



List lines = new List(lLines("D:"));

At(LN);

llLines("D:", lines

.ToArray());



ine("请重新输入该学生的基本信息(依次输入姓名、学号、性别、年龄、专业和爱好)：");

string path1 = @"D:" ;

Student std1 = new Student();

string appenAllText1 = + " " + + " " + + " " + + " " + + " " + t + e;

AllText(path1, appenAllText1);

//string readText1 = lText(path1);



break;



/***************************************删除学生信息****************************************/



ca 4:

{

ine("请选择删除选项：12-删除一行文件、13-清空TXT文档中的全部信息、14-删除TXT文档：");

{

int m;

m = 32(ne());

switch (m)

{

ca 12:

ine("请输入您要删除的某行含有的一条信息：");

string DelLine = ne();



int LineNumber = 0;

int ln = LineNumber ;



StreamReader SR1 = new StreamReader("D:");

string LINE1 ;



while ((LINE1 = ne()) != null)

{

if (ns(DelLine))

{

ln = LineNumber;

}

el

LineNumber = LineNumber + 1;

}



();

e();



List Lines = new List(lLines("D:"));



At(ln);

llLines("D:", y());



ine("删除成功！");





break;



ca 13: //清空TXT文档



FileStream fs = new FileStream(@"D:", , );//清空TXT文档中的信息，打开一个写入流，然后立即关闭它

();

ine("删除成功！");



break;



ca 14: //删除TXT文档



("D:");

ine("删除成功！");



break;



}

}



break;



}



default: ine("{0}
{1}", "错误!", "请重新输入!");

break;



}



ine("请选择操作选项(1-录入信息、2-查询信息、3-修改信息、4-删除信息、0-退出程序)：");

Operate1 = 32(ne());



}

}

}



class Student //创建类：学生

{

//定义学生的6个基本信息

public

string Name = ne();

public

string StdId = ne();

public

string Sex = ne();

public

string Age = ne();

public

string Major = ne();

public

string Intrest = ne();



};



};