账号密码的登录程序

账号密码的登录程序： Class1 ck=new Class1(); bool

Assert.AreEqual(true,result);

public class Class1

{ private const int MaxNum = 35; private string[] m_Acoount, m_Password; public Class1()

result=ck.Check("2011494011","1");

{ m_Acoount = new string[MaxNum]; result=ck.Check("[1**********]","35");

m_Password = new string[MaxNum];

for (int i = 0; i

m_Acoount[i] = "201149401" + (i + 1).ToString();

m_Password[i] =

(i

+

1).ToString(); }

public bool Check(string account,string password) {

for (int i = 0; i

i++)

{ if ((string.Compare(account,

m_Acoount[i]) == 0)

&& (string.Compare(password, m_Password[i]) == 0))

return true;

else if ((string.Compare(account, m_Acoount[i]) != 0)

&& (string.Compare(password, m_Password[i]) == 0))

return false;

else if ((string.Compare(account, m_Acoount[i]) == 0)

&& (string.Compare(password, m_Password[i]) != 0))

return false; }

return false;

,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, 上述程序的调试代码：public class TestCheck {[Test] public void TestCheck1() {

// TODO: Add your test.

Assert.AreEqual(true,result);

result=ck.Check("[1**********]","10");

Assert.AreEqual(true,result);

result=ck.Check("[1**********]","36");

Assert.AreEqual(false,result);

result=ck.Check("2011494010","0");

Assert.AreEqual(false,result);

}........................................................................................

注册代码的类代码。。。 class Classcreat : Interfacedenglu {

string file = @"D:\z.txt";

public int zhuce(string account, string password, string s_password,string name) {

FileInfo f1 = new FileInfo(file); FileStream read_zhuce

=

f1.OpenRead(); byte[] datar

=

new

byte[(int)f1.Length];

read_zhuce.Read(datar, 0,

(int)f1.Length); string

value

=

System.Text.Encoding.ASCII.GetString(datar); string[] array = value.Split(' '); read_zhuce.Close(); int i;

for (i = 0; i

StreamWriter write

= f1.AppendText();

write.Write (account + " " + password + " "+name+" "); write.Flush(); write.Close(); return i; } else

return -1; }

public int denglu(string m_account, string m_password) {

FileInfo f2 = new FileInfo(file); FileStream read_denglu

=

f2.OpenRead(); byte[] datar1

=

new

byte[(int)f2.Length];

read_denglu.Read(datar1, 0,

(int)f2.Length); string

read

=

System.Text.Encoding.ASCII.GetString(datar1); string[] array = read.Split(' '); read_denglu.Close();

int i;///0账号错1都对2密码错 for (i = 0; i

return i; else

return -2; return-1;

。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。

注册界面各控件的代码：

private void button1_Click(object sender, EventArgs e) {

Interfacedenglu creat

=

new Classcreat(); int a

=

creat.zhuce(textBox1 .Text ,textBox2 .Text,textBox3.

Text,textBox4 .Text );

if (textBox1.Text == "" ||

textBox2.Text == "" || textBox3.Text == "" || textBox4.Text == "")

{ MessageBox.Show("请填好你的信息", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);

textBox1.Focus(); return; } if (a>=0)

DialogResult = MessageBox.Show("恭喜注册成功请登录","提示",MessageBoxButtons .OK ,MessageBoxIcon.Asterisk );

if(DialogResult ==

DialogResult .OK )

this.Close (); if(a==-1) DialogResult = MessageBox.Show("输入密码不统一，请确认后再输

入

","

提

示

",MessageBoxButtons .OK ,MessageBoxIcon.Error );

if (DialogResult

== DialogResult.OK)

textBox2.Text =

"";

textBox3.Text = "";

textBox2.Focus(); if (a == -3) DialogResult =

MessageBox.Show("你所输入的账号已存在，请更换账号再进行注册", "提示",

MessageBoxButtons.OK, MessageBoxIcon.Error );

if (DialogResult

==

DialogResult.OK)

textBox1.Text =

""; textBox2.Text = ""; textBox3.Text = ""; textBox1.Focus(); private void

button2_Click(object

sender, EventArgs e) {

DialogResult = MessageBox.Show("确定要退出注册吗？", "提示",

MessageBoxButtons.YesNo,

MessageBoxIcon.Question);

if (DialogResult == DialogResult.Yes) 

this.Close(); }}}} 。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。

登录和登录时储存账户密码的文档代码 private

void

btn_denglu_Click(object

sender,

EventArgs e) {

Form form8 = new Form8(this); string file = @"D:\z.txt"; FileInfo f1 = new FileInfo(file); FileStream read_zhuce

= f1.OpenRead(); byte[] datar

=

new byte[(int)f1.Length];

read_zhuce.Read(datar, 0, (int)f1.Length); string

value

=

System.Text.Encoding.ASCII .GetString(datar); string[] array = value.Split(' '); read_zhuce.Close(); if (textBox1.Text

==

""

||

textBox2.Text == "")

{

MessageBox.Show("请输入账号密码",

"提示", MessageBoxButtons.OK,

MessageBoxIcon.Stop);

textBox1.Focus(); return; } int c;

Interfacedenglu dl = new Classcreat(); c =

dl.denglu(textBox1.Text,

textBox2.Text);

if (c == -1)

{ DialogResult = MessageBox.Show("账号不存在，请重新输入","提示",MessageBoxButtons .OK ,MessageBoxIcon.Stop );

if (DialogResult

==

DialogResult.OK)

textBox2.Text = ""; textBox1.Text = "";

textBox1.Focus(); }

else if (c >=0)

{DialogResult =MessageBox.Show("恭喜"+array[c+2]+"成功登录系统", "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk ); if (DialogResult

==

DialogResult.OK)

this.Hide();

Form form3 = new Form3(); form3.Show();

form8.Show(); }

else if (c == -2)

{ MessageBox.Show("密码错误，请确认后再次尝试登录", "提示", MessageBoxButtons.OK, MessageBoxIcon.Stop);

if (DialogResult

==

DialogResult.OK)

textBox2.Text = ""; textBox2.Focus();

} private void

label3_Click(object

sender,

EventArgs e) {

Form form2 = new Form2(); form2.Show();

} private void Form1_Load(object sender, EventArgs e) {

string file = @"D:\z.txt"; if (File.Exists(file))

MessageBox.Show("你的信息将存

放

在

z.txt

内

","

提

示

",MessageBoxButtons .OK ,MessageBoxIcon.Asterisk );

else

MessageBox.Show("发现不存在z.txt，将自动帮你新建","提示

",MessageBoxButtons .OK ,MessageBoxIcon.Asterisk );

FileInfo f2 = new FileInfo(file); StreamWriter write = f2.AppendText();

write.Close(); }

private void btn_tuichu_Click(object sender, EventArgs e) {

DialogResult = MessageBox.Show("确定要退出登录系统吗？", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Question);

if (DialogResult == DialogResult.Yes) } } }

this.Close();

账号密码的登录程序： Class1 ck=new Class1(); bool

Assert.AreEqual(true,result);

public class Class1

{ private const int MaxNum = 35; private string[] m_Acoount, m_Password; public Class1()

result=ck.Check("2011494011","1");

{ m_Acoount = new string[MaxNum]; result=ck.Check("[1**********]","35");

m_Password = new string[MaxNum];

for (int i = 0; i

m_Acoount[i] = "201149401" + (i + 1).ToString();

m_Password[i] =

(i

+

1).ToString(); }

public bool Check(string account,string password) {

for (int i = 0; i

i++)

{ if ((string.Compare(account,

m_Acoount[i]) == 0)

&& (string.Compare(password, m_Password[i]) == 0))

return true;

else if ((string.Compare(account, m_Acoount[i]) != 0)

&& (string.Compare(password, m_Password[i]) == 0))

return false;

else if ((string.Compare(account, m_Acoount[i]) == 0)

&& (string.Compare(password, m_Password[i]) != 0))

return false; }

return false;

,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, 上述程序的调试代码：public class TestCheck {[Test] public void TestCheck1() {

// TODO: Add your test.

Assert.AreEqual(true,result);

result=ck.Check("[1**********]","10");

Assert.AreEqual(true,result);

result=ck.Check("[1**********]","36");

Assert.AreEqual(false,result);

result=ck.Check("2011494010","0");

Assert.AreEqual(false,result);

}........................................................................................

注册代码的类代码。。。 class Classcreat : Interfacedenglu {

string file = @"D:\z.txt";

public int zhuce(string account, string password, string s_password,string name) {

FileInfo f1 = new FileInfo(file); FileStream read_zhuce

=

f1.OpenRead(); byte[] datar

=

new

byte[(int)f1.Length];

read_zhuce.Read(datar, 0,

(int)f1.Length); string

value

=

System.Text.Encoding.ASCII.GetString(datar); string[] array = value.Split(' '); read_zhuce.Close(); int i;

for (i = 0; i

StreamWriter write

= f1.AppendText();

write.Write (account + " " + password + " "+name+" "); write.Flush(); write.Close(); return i; } else

return -1; }

public int denglu(string m_account, string m_password) {

FileInfo f2 = new FileInfo(file); FileStream read_denglu

=

f2.OpenRead(); byte[] datar1

=

new

byte[(int)f2.Length];

read_denglu.Read(datar1, 0,

(int)f2.Length); string

read

=

System.Text.Encoding.ASCII.GetString(datar1); string[] array = read.Split(' '); read_denglu.Close();

int i;///0账号错1都对2密码错 for (i = 0; i

return i; else

return -2; return-1;

。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。

注册界面各控件的代码：

private void button1_Click(object sender, EventArgs e) {

Interfacedenglu creat

=

new Classcreat(); int a

=

creat.zhuce(textBox1 .Text ,textBox2 .Text,textBox3.

Text,textBox4 .Text );

if (textBox1.Text == "" ||

textBox2.Text == "" || textBox3.Text == "" || textBox4.Text == "")

{ MessageBox.Show("请填好你的信息", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);

textBox1.Focus(); return; } if (a>=0)

DialogResult = MessageBox.Show("恭喜注册成功请登录","提示",MessageBoxButtons .OK ,MessageBoxIcon.Asterisk );

if(DialogResult ==

DialogResult .OK )

this.Close (); if(a==-1) DialogResult = MessageBox.Show("输入密码不统一，请确认后再输

入

","

提

示

",MessageBoxButtons .OK ,MessageBoxIcon.Error );

if (DialogResult

== DialogResult.OK)

textBox2.Text =

"";

textBox3.Text = "";

textBox2.Focus(); if (a == -3) DialogResult =

MessageBox.Show("你所输入的账号已存在，请更换账号再进行注册", "提示",

MessageBoxButtons.OK, MessageBoxIcon.Error );

if (DialogResult

==

DialogResult.OK)

textBox1.Text =

""; textBox2.Text = ""; textBox3.Text = ""; textBox1.Focus(); private void

button2_Click(object

sender, EventArgs e) {

DialogResult = MessageBox.Show("确定要退出注册吗？", "提示",

MessageBoxButtons.YesNo,

MessageBoxIcon.Question);

if (DialogResult == DialogResult.Yes) 

this.Close(); }}}} 。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。

登录和登录时储存账户密码的文档代码 private

void

btn_denglu_Click(object

sender,

EventArgs e) {

Form form8 = new Form8(this); string file = @"D:\z.txt"; FileInfo f1 = new FileInfo(file); FileStream read_zhuce

= f1.OpenRead(); byte[] datar

=

new byte[(int)f1.Length];

read_zhuce.Read(datar, 0, (int)f1.Length); string

value

=

System.Text.Encoding.ASCII .GetString(datar); string[] array = value.Split(' '); read_zhuce.Close(); if (textBox1.Text

==

""

||

textBox2.Text == "")

{

MessageBox.Show("请输入账号密码",

"提示", MessageBoxButtons.OK,

MessageBoxIcon.Stop);

textBox1.Focus(); return; } int c;

Interfacedenglu dl = new Classcreat(); c =

dl.denglu(textBox1.Text,

textBox2.Text);

if (c == -1)

{ DialogResult = MessageBox.Show("账号不存在，请重新输入","提示",MessageBoxButtons .OK ,MessageBoxIcon.Stop );

if (DialogResult

==

DialogResult.OK)

textBox2.Text = ""; textBox1.Text = "";

textBox1.Focus(); }

else if (c >=0)

{DialogResult =MessageBox.Show("恭喜"+array[c+2]+"成功登录系统", "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk ); if (DialogResult

==

DialogResult.OK)

this.Hide();

Form form3 = new Form3(); form3.Show();

form8.Show(); }

else if (c == -2)

{ MessageBox.Show("密码错误，请确认后再次尝试登录", "提示", MessageBoxButtons.OK, MessageBoxIcon.Stop);

if (DialogResult

==

DialogResult.OK)

textBox2.Text = ""; textBox2.Focus();

} private void

label3_Click(object

sender,

EventArgs e) {

Form form2 = new Form2(); form2.Show();

} private void Form1_Load(object sender, EventArgs e) {

string file = @"D:\z.txt"; if (File.Exists(file))

MessageBox.Show("你的信息将存

放

在

z.txt

内

","

提

示

",MessageBoxButtons .OK ,MessageBoxIcon.Asterisk );

else

MessageBox.Show("发现不存在z.txt，将自动帮你新建","提示

",MessageBoxButtons .OK ,MessageBoxIcon.Asterisk );

FileInfo f2 = new FileInfo(file); StreamWriter write = f2.AppendText();

write.Close(); }

private void btn_tuichu_Click(object sender, EventArgs e) {

DialogResult = MessageBox.Show("确定要退出登录系统吗？", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Question);

if (DialogResult == DialogResult.Yes) } } }

this.Close();


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