C#實現(xiàn)單位換算器

第C#實現(xiàn)單位換算器本文實例為大家分享了C#實現(xiàn)單位換算器的具體代碼，供大家參考，具體內(nèi)容如下

進制間轉(zhuǎn)換：十六進制、十進制、八進制、二進制。

長度間轉(zhuǎn)換：毫米、厘米、米、公里、英寸、英尺、碼。

面積間轉(zhuǎn)換：平方毫米、平方厘米、平方米、平方公里、平方英寸、平方英尺、平方碼。

體積間轉(zhuǎn)換：立方毫米、毫升、升、立方米、立方英寸、立方英尺、立方碼。

1.進制轉(zhuǎn)換

通過輸入即可轉(zhuǎn)換為另一個進制值。

2.長度轉(zhuǎn)換

用戶輸入進行單位換算，可從目標中選擇需求單位。

選中需求后，輸入框解除只讀，輸入即可進行換算。

3.面積轉(zhuǎn)換

同樣，使用正則匹配對正數(shù)小數(shù)和正整數(shù)，而進制轉(zhuǎn)換另外規(guī)則匹配。

4.體積轉(zhuǎn)換

當重選單位類型時會清空輸入框。

usingSystem;

usingSystem.Text.RegularExpressions;

usingSystem.Windows.Forms;

namespaceUnitConversion

publicpartialclassForm1:Form

//默認選項

privatestringunitItem="進制";

//用戶選擇單位度量的轉(zhuǎn)換基數(shù)

privatedoublecustomConversionBase=0;

publicForm1()

{

InitializeComponent();

}

privatevoidForm1_Load(objectsender,EventArgse)

{

unitComboBox.Items.Add("進制");

unitComboBox.Items.Add("長度");

unitComboBox.Items.Add("面積");

unitComboBox.Items.Add("體積");

}

/*

*進制轉(zhuǎn)換

*/

privatevoidBaseConversion(TextBoxtext,stringval)

{

if(text==textBox1Regex.IsMatch(val,@"[0-1]+$"))

//二進制轉(zhuǎn)換

{

longoct=Convert.ToInt64(val,2);

textBox2.Text=Convert.ToString(oct,8);

textBox3.Text=oct.ToString();

textBox4.Text=Convert.ToString(oct,16);

}

elseif(text==textBox2Regex.IsMatch(val,@"[0-7]+$"))

//八進制轉(zhuǎn)換

{

longoct=Convert.ToInt64(val,8);

textBox1.Text=Convert.ToString(oct,2);

textBox3.Text=oct.ToString();

textBox4.Text=Convert.ToString(oct,16);

}

elseif(text==textBox3Regex.IsMatch(val,@"[0-9]+$"))

//十進制轉(zhuǎn)換

{

longoct=Convert.ToInt64(val);

textBox1.Text=Convert.ToString(oct,2);

textBox2.Text=Convert.ToString(oct,8);

textBox4.Text=Convert.ToString(oct,16);

}

elseif(text==textBox4Regex.IsMatch(val,@"[A-Fa-f0-9]+$"))

//十六機制轉(zhuǎn)換

{

longoct=Convert.ToInt64(val,16);

textBox1.Text=Convert.ToString(oct,2);

textBox2.Text=Convert.ToString(oct,8);

textBox3.Text=oct.ToString();

}

}

/*

*長度

*/

privatevoidlengthConversion(TextBoxtext,stringval)

{

if(text==textBox1)

{

doublemm=Convert.ToDouble(val);

textBox2.Text=Convert.ToString(mm*0.1);

textBox3.Text=Convert.ToString(mm*0.001);

textBox4.Text=Convert.ToString(mm*0.000_001);

textBox5.Text=Convert.ToString(mm*customConversionBase);

}

elseif(text==textBox2)

{

doublecm=Convert.ToDouble(val);

textBox1.Text=Convert.ToString(cm*10);

textBox3.Text=Convert.ToString(cm*0.01);

textBox4.Text=Convert.ToString(cm*0.000_01);

textBox5.Text=Convert.ToString(cm*customConversionBase*10);

}

elseif(text==textBox3)

{

doublem=Convert.ToDouble(val);

textBox1.Text=Convert.ToString(m*1000);

textBox2.Text=Convert.ToString(m*100);

textBox4.Text=Convert.ToString(m*0.001);

textBox5.Text=Convert.ToString(m*customConversionBase*1000);

}

elseif(text==textBox4)

{

doublekm=Convert.ToDouble(val);

textBox1.Text=Convert.ToString(km*1000_000);

textBox2.Text=Convert.ToString(km*100_000);

textBox3.Text=Convert.ToString(km*1000);

textBox5.Text=Convert.ToString(km*customConversionBase*1000_000);

}

elseif(text==textBox5)

{

doubleen=Convert.ToDouble(val);

textBox1.Text=(en/customConversionBase).ToString();

}

}

/*

*面積

*/

privatevoidareaConversion(TextBoxtext,stringval)

{

if(text==textBox1)

{

doublemm=Convert.ToDouble(val);

textBox2.Text=Convert.ToString(mm*0.01);

textBox3.Text=Convert.ToString(mm*0.000_001);

textBox4.Text=Convert.ToString(mm*0.000_000_000_001);

textBox5.Text=Convert.ToString(mm*customConversionBase);

}

elseif(text==textBox2)

{

doublecm=Convert.ToDouble(val);

textBox1.Text=Convert.ToString(cm*100);

textBox3.Text=Convert.ToString(cm*0.000_1);

textBox4.Text=Convert.ToString(cm*0.000_000_000_1);

textBox5.Text=Convert.ToString(cm*customConversionBase*100);

}

elseif(text==textBox3)

{

doublem=Convert.ToDouble(val);

textBox1.Text=Convert.ToString(m*1_000_000);

textBox2.Text=Convert.ToString(m*10_000);

textBox4.Text=Convert.ToString(m*0.000_001);

textBox5.Text=Convert.ToString(m*customConversionBase*1_000_000);

}

elseif(text==textBox4)

{

doublekm=Convert.ToDouble(val);

textBox1.Text=Convert.ToString(km*1000_000_000_000);

textBox2.Text=Convert.ToString(km*10_000_000_000);

textBox3.Text=Convert.ToString(km*1000_000);

textBox5.Text=Convert.ToString(km*customConversionBase*1000_000_000_000);

}

elseif(text==textBox5)

{

doubleen=Convert.ToDouble(val);

textBox1.Text=Convert.ToString(en/customConversionBase);

}

}

/*

*體積

*/

privatevoidvolumeConversion(TextBoxtext,stringval)

{

if(text==textBox1)

{

doublecm=Convert.ToDouble(val);

textBox2.Text=Convert.ToString(cm);

textBox3.Text=Convert.ToString(cm*0.001);

textBox4.Text=Convert.ToString(cm*0.000_001);

textBox5.Text=Convert.ToString(cm*customConversionBase);

}

elseif(text==textBox2)

{

doublemL=Convert.ToDouble(val);

textBox1.Text=Convert.ToString(mL);

textBox3.Text=Convert.ToString(mL*0.001);

textBox4.Text=Convert.ToString(mL*0.000_001);

textBox5.Text=Convert.ToString(mL*customConversionBase);

}

elseif(text==textBox3)

{

doubleL=Convert.ToDouble(val);

textBox1.Text=Convert.ToString(L*1000);

textBox2.Text=Convert.ToString(L*1000);

textBox4.Text=Convert.ToString(L*0.001);

textBox5.Text=Convert.ToString(L*customConversionBase*1000);

}

elseif(text==textBox4)

{

doublem=Convert.ToDouble(val);

textBox1.Text=Convert.ToString(m*1000_000);

textBox2.Text=Convert.ToString(m*1000_000);

textBox3.Text=Convert.ToString(m*1000);

textBox5.Text=Convert.ToString(m*customConversionBase*1000_000);

}

elseif(text==textBox5)

{

doubleen=Convert.ToDouble(val);

textBox1.Text=Convert.ToString(en/customConversionBase);

}

}

/*

*輸入換算

*/

privatevoidtextBox_TextChanged(objectsender,EventArgse)

{

try

{

TextBoxtext=(TextBox)sender;

stringval=text.Text;

//不為空及正整數(shù)或正小數(shù)

（進制另外進一步匹配）

if(text.Text=="")

{

return;

}

if(unitItem=="進制")

{

BaseConversion(text,val);

}

elseif(Regex.IsMatch(val,@"(^[0-9]{1,}$)|(^[0-9]+(.[0-9]{1,})$)"))

{

switch(unitItem)

{

case"長度":

lengthConversion(text,val);

break;

case"面積":

areaConversion(text,val);

break;

case"體積":

volumeConversion(text,val);

break;

}

}

}

catch(Exceptionexception){}

}

/*

*單位類型選擇

*/

privatevoidunitComboBox_SelectedIndexChanged(objectsender,EventArgse)

{

//清空及復(fù)位

textBox1.Text="";

textBox2.Text="";

textBox3.Text="";

textBox4.Text="";

textBox5.Text="";

textBox5.ReadOnly=true;

label5.Text="";

customConversionBase=0;

unitListBox.Items.Clear();

unitItem=unitComboBox.SelectedItem.ToString();

switch(unitItem)

{

case"進制":

label1.Text="Bin";

label2.Text="Oct";

label3.Text="Dec";

label4.Text="Hex";

break;

case"長度":

label1.Text="mm";

label2.Text="cm";

label3.Text="m";

label4.Text="km";

unitListBox.Items.Add("inch");

unitListBox.Items.Add("foot");

unitListBox.Items.Add("yard");

break;

case"面積":

label1.Text="m2";

label2.Text="cm2";

label3.Text="m2";

label4.Text="km2";

unitListBox.Items.Add("inch2");

unitListBox.Items.Add("foot2");

unitListBox.Items.Add("yard2");

break;

case"體積":

label1.Text="cm3";

label2.Text="mL";

label3.Text="L";

label4.Text="m3";

unitListBox.Items.Add("inch3");

unitListBox.Items.Add("foot3");

unitListBox.Items.Add("yard3");

break;

}

}

/*

*單位度量選擇

*/

privatevoidunitListBox_SelectedIndexChanged_1(objectsender,EventArgse)

{

te