using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Text;
using?System.Windows.Forms;
using?System.Collections;

namespace?WindowsApplication1
{

????public?partial?class?Form1?:?Form
????{
????????public?string?input;???//記錄輸入的表達(dá)式
????????public?int[]?logo?=?new?int[100];???//標(biāo)記每個(gè)字符的類型
????????public?int?n?=?0;?????????//標(biāo)記輸入字符的數(shù)量
????????public?int[]?zi?=?new?int[100];????????//記錄每次輸入的長度；
????????public?int?countleft?=?0;??????????????//標(biāo)記左括號的個(gè)數(shù)
????????public?int?countright?=?0;??????????????//標(biāo)記右括號的個(gè)數(shù)
????????public?int?countlog?=?0;???????????????//textBox1用于顯示表達(dá)式，textBox2用于顯示計(jì)算過的表達(dá)式，textBox3用于顯示表達(dá)式的計(jì)算結(jié)果
????????public?int?countlogkey?=?0;????????????//標(biāo)記用于LOG（A，B）中“，”的個(gè)數(shù)，以便判斷l(xiāng)og中有無輸入錯(cuò)誤.
????????public?int?t?=?0;
????????public?char[]?op?=?new?char[21];
????????public?int?keys?=?0;

????????public?Form1（）
????????{

????????????InitializeComponent（）;

????????????textBox1.Text?=?input;

????????}

????????private?void?button1_Click（object?sender?EventArgs?e）?????????//.（小數(shù)點(diǎn)）??????標(biāo)記為1
????????{
???????????
????????????label4.Text?=?““;
?????????????input?=?textBox1.Text;
????????????input?+=?“1“;??????????????????????????????????????????????//0到9???????????標(biāo)記為2
????????????textBox1.Text?=?input;????????????????????????????????????//%（百分號）???????標(biāo)記為3
????????????logo[n]?=?2;??????????????????????????????????????????????//*/+-?????????標(biāo)記為4
??????????????????????????????????????????????????????????????????????//^（請方號）???????標(biāo)記為5
????????????zi[n]?=?1;?????????????????????????????????????????????????//?（?（左括號）????標(biāo)記為6
????????????Lex（）;??????????????????????????????????????????????????　//）（右括號）???????標(biāo)記為7
????????}?????????????????????????????????????????????????????????????　??//sincostanasinacosatan
????????private?void?button2_Click（object?sender?EventArgs?e）????????//loglgln，sqrt??標(biāo)記為8
????????{
????????????input?=?textBox1.Text;???????????????????????????????????//???????????????標(biāo)記為9
????????????input?+=?“2“;?????????????????????????????????????????????//@?（負(fù)號）??????標(biāo)記為10
????????????textBox1.Text?=?input;????????????????????????????????????//#?（結(jié)束符）?????標(biāo)記為11
????????????logo[n]?=?2;
????????????zi[n]?=?1;
????????????Lex（）;
????????}

????????private?void?button3_Click（object?sender?EventArgs?e）
????????{
????????????label4.Text?=?““;
????????????input?=?textBox1.Text;
????????????input?+=?“3“;
????????????textBox1.Text?=?input;
????????????logo[n]?=?2;

????????????zi[n]?=?1;
????????????Lex（）;
????????}

????????private?void?button4_Click（object?sender?EventArgs?e）
????????{
????????????label4.Text?=?““;
????????????input?=?textBox1.Text;
????????????input?+=?“4“;
????????????textBox1.Text?=?input;
????????????logo[n]?=?2;
????????????zi[n]?=?1;
????????????Lex（）;
????????}

????????private?void?button5_Click（object?sender?EventArgs?e）
????????{
????????????label

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件?????????944??2003-10-26?16:02??WindowsApplication1\WindowsApplication1.sln
?????文件???????33280??2009-04-26?12:51??WindowsApplication1\WindowsApplication1.suo
?????目錄???????????0??2009-04-27?15:10??WindowsApplication1\WindowsApplication1\
?????目錄???????????0??2009-04-27?15:10??WindowsApplication1\WindowsApplication1\bin\
?????目錄???????????0??2009-04-27?15:10??WindowsApplication1\WindowsApplication1\bin\Debug\
?????文件???????57344??2009-04-26?12:51??WindowsApplication1\WindowsApplication1\bin\Debug\WindowsApplication1.exe
?????文件???????87552??2009-04-26?12:51??WindowsApplication1\WindowsApplication1\bin\Debug\WindowsApplication1.pdb
?????文件????????5632??2005-11-11?22:25??WindowsApplication1\WindowsApplication1\bin\Debug\WindowsApplication1.vshost.exe
?????文件???????55771??2009-04-26?12:51??WindowsApplication1\WindowsApplication1\Form1.cs
?????文件???????57783??2009-04-26?12:51??WindowsApplication1\WindowsApplication1\Form1.Designer.cs
?????文件????????5814??2009-04-26?12:51??WindowsApplication1\WindowsApplication1\Form1.resx
?????目錄???????????0??2009-04-27?15:10??WindowsApplication1\WindowsApplication1\obj\
?????目錄???????????0??2009-04-27?15:10??WindowsApplication1\WindowsApplication1\obj\Debug\
?????目錄???????????0??2009-04-27?15:10??WindowsApplication1\WindowsApplication1\obj\Debug\Refactor\
?????目錄???????????0??2009-04-27?15:10??WindowsApplication1\WindowsApplication1\obj\Debug\TempPE\
?????文件?????????842??2003-10-26?15:57??WindowsApplication1\WindowsApplication1\obj\Debug\WindowsApplication1.csproj.GenerateResource.Cache
?????文件???????57344??2009-04-26?12:51??WindowsApplication1\WindowsApplication1\obj\Debug\WindowsApplication1.exe
?????文件?????????180??2009-04-26?12:51??WindowsApplication1\WindowsApplication1\obj\Debug\WindowsApplication1.Form1.resources
?????文件???????87552??2009-04-26?12:51??WindowsApplication1\WindowsApplication1\obj\Debug\WindowsApplication1.pdb
?????文件?????????180??2009-03-16?04:04??WindowsApplication1\WindowsApplication1\obj\Debug\WindowsApplication1.Properties.Resources.resources
?????文件?????????842??2009-04-26?12:51??WindowsApplication1\WindowsApplication1\obj\Debug\表達(dá)式計(jì)算器.csproj.GenerateResource.Cache
?????文件?????????352??2003-10-26?16:01??WindowsApplication1\WindowsApplication1\obj\WindowsApplication1.csproj.FileList.txt
?????文件?????????351??2009-04-26?12:51??WindowsApplication1\WindowsApplication1\obj\表達(dá)式計(jì)算器.csproj.FileList.txt
?????文件?????????478??2003-10-26?14:43??WindowsApplication1\WindowsApplication1\Program.cs
?????目錄???????????0??2009-04-27?15:10??WindowsApplication1\WindowsApplication1\Properties\
?????文件????????1210??2003-10-26?14:43??WindowsApplication1\WindowsApplication1\Properties\AssemblyInfo.cs
?????文件????????2892??2003-10-26?14:43??WindowsApplication1\WindowsApplication1\Properties\Resources.Designer.cs
?????文件????????5612??2003-10-26?14:43??WindowsApplication1\WindowsApplication1\Properties\Resources.resx
?????文件????????1102??2003-10-26?14:43??WindowsApplication1\WindowsApplication1\Properties\Settings.Designer.cs
?????文件?????????249??2003-10-26?14:43??WindowsApplication1\WindowsApplication1\Properties\Settings.settings
?????文件????????3245??2003-10-26?15:26??WindowsApplication1\WindowsApplication1\WindowsApplication1.csproj
............此處省略1個(gè)文件信息