实例介绍
【实例简介】
【实例截图】
【核心代码】
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;
namespace Counter
{
public partial class Form1 : Form
{
string NowData = DateTime.Now.ToLongDateString();
string NowTime = DateTime.Now.ToLongTimeString().ToString();
string Q;
double NewTB;
double QQ;
bool Tab1 = true; //判定光标位置,TB_1为TRUE,TB_3为FALSE
public Form1()
{
InitializeComponent();
System.Diagnostics.Trace.Listeners.Clear();
System.Diagnostics.Trace.Listeners.Add(new System.Diagnostics.TextWriterTraceListener(NowData "-Log.txt"));
System.Diagnostics.Trace.AutoFlush = true;
}
private void Form1_Load(object sender, EventArgs e)
{
System.Diagnostics.Trace.WriteLine(NowTime "-软件重启");
}
public void addNum(string num)
{
if (TB_1.Text!=""&&TB_2.Text!="")
{
TB_3.Text = TB_3.Text num.ToString();
}
else
{
TB_1.Text = TB_1.Text num.ToString();
}
}
private void BT_DEL_MouseDown(object sender, MouseEventArgs e)
{
if (Tab1)
{
if (TB_1.TextLength > 0)
{
TB_1.Text = TB_1.Text.Substring(0, TB_1.Text.Length - 1);
}
}
else
{
if (TB_3.TextLength > 0)
{
TB_3.Text = TB_3.Text.Substring(0, TB_3.Text.Length - 1);
}
}
}
private void BT_P_Click(object sender, EventArgs e)
{
if ( Tab1 == true)
{
if (TB_1.TextLength < 1)
{
TB_1.Text = "0.";
}
else if (TB_1.Text.IndexOf(".") <= 0)
{
addNum(".");
}
}
if (Tab1 == false)
{
if (TB_3.TextLength < 1)
{
TB_3.Text = "0.";
if (TB_3.Text.IndexOf(".") <= 0)
{
addNum(".");
}
}
}
}
private void BT_0_Click(object sender, EventArgs e)
{
if (TB_1.Text != "" && TB_2.Text != "" && TB_3.Text != "" && TB_4.Text != "")
{
TB_2.Text = "";
TB_3.Text = "";
TB_4.Text = "";
TB_1.Text = "0";
}
else
{
addNum("0");
}
}
private void BT_1_Click(object sender, EventArgs e)
{
if (TB_1.Text != "" && TB_2.Text != "" && TB_3.Text != "" && TB_4.Text != "")
{
TB_2.Text = "";
TB_3.Text = "";
TB_4.Text = "";
this.TB_1.Focus();
Tab1 = true;
TB_1.Text = "1";
}
else
{
addNum("1");
}
}
private void BT_2_Click(object sender, EventArgs e)
{
if (TB_1.Text != "" && TB_2.Text != "" && TB_3.Text != "" && TB_4.Text != "")
{
TB_2.Text = "";
TB_3.Text = "";
TB_4.Text = "";
this.TB_1.Focus();
Tab1 = true;
TB_1.Text = "2";
}
else
{
addNum("2");
}
}
private void BT_3_Click(object sender, EventArgs e)
{
if (TB_1.Text != "" && TB_2.Text != "" && TB_3.Text != "" && TB_4.Text != "")
{
TB_2.Text = "";
TB_3.Text = "";
TB_4.Text = "";
// this.TB_1.Focus();
Tab1 = true;
TB_1.Text = "3";
}
else
{
addNum("3");
}
}
private void BT_4_Click(object sender, EventArgs e)
{
if (TB_1.Text != "" && TB_2.Text != "" && TB_3.Text != "" && TB_4.Text != "")
{
TB_2.Text = "";
TB_3.Text = "";
TB_4.Text = "";
this.TB_1.Focus();
Tab1 = true;
TB_1.Text = "4";
}
else
{
addNum("4");
}
}
private void BT_5_Click(object sender, EventArgs e)
{
if (TB_1.Text != "" && TB_2.Text != "" && TB_3.Text != "" && TB_4.Text != "")
{
TB_2.Text = "";
TB_3.Text = "";
TB_4.Text = "";
this.TB_1.Focus();
Tab1 = true;
TB_1.Text = "5";
}
else
{
addNum("5");
}
}
private void BT_6_Click(object sender, EventArgs e)
{
if (TB_1.Text != "" && TB_2.Text != "" && TB_3.Text != "" && TB_4.Text != "")
{
TB_2.Text = "";
TB_3.Text = "";
TB_4.Text = "";
this.TB_1.Focus();
Tab1 = true;
TB_1.Text = "6";
}
else
{
addNum("6");
}
}
private void BT_7_Click(object sender, EventArgs e)
{
if (TB_1.Text != "" && TB_2.Text != "" && TB_3.Text != "" && TB_4.Text != "")
{
TB_2.Text = "";
TB_3.Text = "";
TB_4.Text = "";
this.TB_1.Focus();
Tab1 = true;
TB_1.Text = "7";
}
else
{
addNum("7");
}
}
private void BT_8_Click(object sender, EventArgs e)
{
if (TB_1.Text != "" && TB_2.Text != "" && TB_3.Text != "" && TB_4.Text != "")
{
TB_2.Text = "";
TB_3.Text = "";
TB_4.Text = "";
this.TB_1.Focus();
Tab1 = true;
TB_1.Text = "8";
}
else
{
addNum("8");
}
}
private void BT_9_Click(object sender, EventArgs e)
{
if (TB_1.Text != "" && TB_2.Text != "" && TB_3.Text != "" && TB_4.Text != "")
{
TB_1.Text = "";
TB_2.Text = "";
TB_3.Text = "";
TB_4.Text = "";
this.TB_1.Focus();
Tab1 = true;
addNum("9");
}
else
{
addNum("9");
}
}
private void toolStripMenuItem1_Click(object sender, EventArgs e)
{
string dddd = NowData "-Log.txt";
if (File.Exists(dddd))
{
System.Diagnostics.Process.Start(NowData "-Log.txt");
}
}
private void TB_1_KeyPress(object sender, KeyPressEventArgs e)
{
if (((int)e.KeyChar < 48 || (int)e.KeyChar > 57) && (int)e.KeyChar != 8 && (int)e.KeyChar != 46)
e.Handled = true;
if (TB_1.Text != "" && TB_2.Text != "" && TB_3.Text != "" && TB_4.Text != "")
{
TB_1.Text = "";
TB_2.Text = "";
TB_3.Text = "";
TB_4.Text = "";
this.TB_1.Focus();
Tab1 = true;
}
if ((int)e.KeyChar == 46) //小数点
{
if (TB_1.Text.Length <= 0)
e.Handled = true; //小数点不能在第一位
else if (TB_1.Text.IndexOf(".") >= 0) //包含一个小数点
{
e.Handled = true;
}
}
if ((int)e.KeyChar == 48) //数字0
{
if (TB_1.Text == "0") //第一个数为0时
{
e.Handled = true;
}
}
}
private void TB_3_KeyPress(object sender, KeyPressEventArgs e)
{
if (((int)e.KeyChar < 48 || (int)e.KeyChar > 57) && (int)e.KeyChar != 8 && (int)e.KeyChar != 46)
e.Handled = true;
if (TB_1.Text != "" && TB_2.Text != "" && TB_3.Text != "" && TB_4.Text != ""&& e.Handled == false)
{
TB_1.Text = "";
TB_2.Text = "";
TB_3.Text = "";
TB_4.Text = "";
this.TB_1.Focus();
Tab1 = true;
}
if ((int)e.KeyChar == 46) //小数点
{
if (TB_3.Text.Length <= 0)
e.Handled = true; //小数点不能在第一位
else if (TB_1.Text.IndexOf(".") >= 0) //包含一个小数点
{
e.Handled = true;
}
}
if ((int)e.KeyChar == 48) //数字0
{
if(TB_3.Text == "0") //第一个数为0时
{
e.Handled = true;
}
}
}
private void BT_DIV_Click(object sender, EventArgs e)
{
if (TB_4.Text == "")
{
TB_2.Text = "÷";
this.TB_3.Focus();
Tab1 = false;
}
else
{
TB_1.Text = TB_4.Text;
TB_2.Text = "";
TB_3.Text = "";
TB_2.Text = "÷";
this.TB_3.Focus();
Tab1 = false;
}
}
private void BT_MUL_Click(object sender, EventArgs e)
{
if (TB_4.Text == "")
{
TB_2.Text = "×";
this.TB_3.Focus();
Tab1 = false;
}
else
{
TB_1.Text = TB_4.Text;
TB_2.Text = "";
TB_3.Text = "";
TB_2.Text = "×";
this.TB_3.Focus();
Tab1 = false;
}
}
private void BT_MIN_Click(object sender, EventArgs e)
{
if (TB_4.Text == "")
{
TB_2.Text = "-";
this.TB_3.Focus();
Tab1 = false;
}
else
{
TB_1.Text = TB_4.Text;
TB_2.Text = "";
TB_3.Text = "";
TB_2.Text = "-";
this.TB_3.Focus();
Tab1 = false;
}
}
private void BT_ADD_Click(object sender, EventArgs e)
{
if (TB_4.Text == "")
{
TB_2.Text = " ";
this.TB_3.Focus();
Tab1 = false;
}
else
{
TB_1.Text = TB_4.Text;
TB_2.Text = "";
TB_3.Text = "";
TB_2.Text = " ";
this.TB_3.Focus();
Tab1 = false;
}
}
private void BT_CLE_Click(object sender, EventArgs e)
{
TB_1.Text = "";
TB_2.Text = "";
TB_3.Text = "";
TB_4.Text = "";
TB_5.Text = "";
this.TB_1.Focus();
Tab1 = true;
}
private void BT_EQ_Click(object sender, EventArgs e)
{
try
{
double X1 = Convert.ToDouble(TB_1.Text);
double Y1 = Convert.ToDouble(TB_3.Text);
Count W1 = new Count();
Count W2 = new Count(X1, Y1);
if (TB_2.Text == " ")
{
double result = W1.Add(W2);
TB_4.Text = Convert.ToString(result);
this.TB_1.Focus();
Tab1 = true;
System.Diagnostics.Trace.WriteLine(NowTime "——" TB_1.Text
TB_2.Text TB_3.Text "=" TB_4.Text);
}
else if (TB_2.Text == "-")
{
double result = W1.Min(W2);
TB_4.Text = Convert.ToString(result);
this.TB_1.Focus();
Tab1 = true;
System.Diagnostics.Trace.WriteLine(NowTime "——" TB_1.Text
TB_2.Text TB_3.Text "=" TB_4.Text);
}
else if (TB_2.Text == "×")
{
double result = W1.Mul(W2);
TB_4.Text = Convert.ToString(result);
this.TB_1.Focus();
Tab1 = true;
System.Diagnostics.Trace.WriteLine(NowTime "——" TB_1.Text
TB_2.Text TB_3.Text "=" TB_4.Text);
}
else if (TB_2.Text == "÷")
{
double result = W1.Div(W2);
TB_4.Text = Convert.ToString(result);
this.TB_1.Focus();
Tab1 = true;
System.Diagnostics.Trace.WriteLine(NowTime "——" TB_1.Text
TB_2.Text TB_3.Text "=" TB_4.Text);
}
else
{
MessageBox.Show("无算术符");
}
}
catch(Exception Error)
{
System.Diagnostics.Trace.WriteLine(NowTime "-" Error.Message);
MessageBox.Show("输入有误");
}
}
private void Form1_KeyDown(object sender, KeyEventArgs e)
{
Keys KEY = e.KeyCode;
switch (KEY)
{
case Keys.Enter:
BT_EQ_Click(sender, e);
e.Handled = true;
break;
case Keys.Add:
BT_ADD_Click(sender, e);
e.Handled = true;
break;
case Keys.Subtract:
BT_MIN_Click(sender, e);
e.Handled = true;
break;
case Keys.Multiply:
BT_MUL_Click(sender, e);
e.Handled = true;
break;
case Keys.Divide:
BT_DIV_Click(sender, e);
e.Handled = true;
break;
case Keys.Space:
BT_CN_Click(sender, e);
e.Handled = true;
break;
case Keys.ShiftKey:
BT_CLE_Click(sender, e);
e.Handled = true;
break;
default:
break;
}
}
private void BT_CN_Click(object sender, EventArgs e)
{
if (TB_4.Text != "")
{
NewTB = Convert.ToDouble(TB_4.Text);
}
else if (TB_1.Text != "")
{
NewTB = Convert.ToDouble(TB_1.Text);
}
if (NewTB >= 0 && NewTB - (int)NewTB == 0 && NewTB < 100000000) //无小数点
{
Q = Convert.ToString(NewTB);
if (Q != null)
{
if (NewTB >= 0 && NewTB < 100000000)
{
ToCn W1 = new ToCn();
ToCn W2 = new ToCn(Q);
string W = W1.Text(W2);
TB_5.Text = Convert.ToString(W);
System.Diagnostics.Trace.WriteLine(NowTime "-" TB_5.Text);
}
}
}
if (NewTB >= 0 && NewTB - (int)NewTB != 0 && NewTB < 100000000) //有小数点
{
NewTB = (Int64)(NewTB * 100 0.5); //四舍五入
Q = Convert.ToString(NewTB);
if (NewTB >= 0 && NewTB < 100000000)
{
ToCn W1 = new ToCn();
ToCn W2 = new ToCn(Q);
string W = W1.Text2(W2);
TB_5.Text = Convert.ToString(W);
System.Diagnostics.Trace.WriteLine(NowTime "-" TB_5.Text);
}
}
else if (NewTB < 0)
{
MessageBox.Show("数值太小");
}
else if (NewTB >= 100000000)
{
MessageBox.Show("数值太大");
}
}
private void toolStripMenuItem2_Click(object sender, EventArgs e)
{
new Form2().Show();
}
private void TB_5_DoubleClick(object sender, EventArgs e)
{
if (TB_5.Text != "")
{
Clipboard.SetText(TB_5.Text.Trim());
}
}
private void TB_1_MouseClick(object sender, MouseEventArgs e)
{
this.TB_1.Focus();
Tab1 = true;
}
private void TB_3_MouseClick(object sender, MouseEventArgs e)
{
this.TB_3.Focus();
Tab1 = false;
}
}
}
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