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期末 作業

期末 作業. 姓名 : 呂治懋 學號 : 4A115060 班級 : 車輛一甲 指導老師 : 謝慶存. STUSTcafe . 結帳 系統. 製作 一個 咖啡 店 的結帳 系統 想做一個可以像 7-11 貨物計算的結帳系統 會列出 幾點幾分賣出一杯咖啡. 解題分析. 上網和翻書 找出系統的時間 在計算商品數量 和價錢. 程式實作 方法. 結帳按鈕 要能夠記算全部的金額 並且連折扣都算進去 要 能夠 列出時間 清 空按鈕要 能夠把剛剛輸入的資料清空掉 優惠選像只能選 一個 然後改變優惠變數值. 程式碼. Public Class Form1

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期末 作業

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  1. 期末作業 姓名:呂治懋 學號:4A115060 班級:車輛一甲 指導老師:謝慶存

  2. STUSTcafe.結帳系統 • 製作一個咖啡店的結帳系統 • 想做一個可以像7-11貨物計算的結帳系統 • 會列出幾點幾分賣出一杯咖啡

  3. 解題分析 • 上網和翻書 找出系統的時間 • 在計算商品數量 和價錢

  4. 程式實作方法 • 結帳按鈕 要能夠記算全部的金額 並且連折扣都算進去 • 要能夠列出時間 • 清空按鈕要能夠把剛剛輸入的資料清空掉 • 優惠選像只能選一個 然後改變優惠變數值

  5. 程式碼 • Public Class Form1 • Dim price, discount As Single • Dim bu(35), chak1, chak2 As Boolean • Dim buS(35), lis As String • Dim s, cost(12), cost2(9), price1, mach As Integer • Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load • chak1 = False • chak2 = False • cost(1) = 20 '綠茶 • End Sub • 做變數宣告和價錢商品的初始化

  6. 程式碼 • Private Sub Form1_Activated(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Activated • Label14.Text = Label14.Text & " - $" & cost(1) • Label13.Text = Label13.Text & " - $" & cost(2) • Label12.Text = Label12.Text & " - $" & cost(3) • Label11.Text = Label11.Text & " - $" & cost(4) • Label10.Text = Label10.Text & " - $" & cost(5) • Label9.Text = Label9.Text & " - $" & cost(6) • End Sub • 顯示出現在的價錢

  7. 程式碼 • Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load • cost(1) = 35 • cost(2) = 35 • cost(3) = 45 • cost(4) = 45 • cost(5) = 45 • cost(6) = 45 • End Sub • 每杯咖啡的價錢設定

  8. 程式碼 • Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click • price = TextBox1.Text * cost(1) + TextBox2.Text * cost(2) + TextBox3.Text * cost(3) + _ • TextBox4.Text * cost(4) + TextBox5.Text * cost(5) + TextBox6.Text * cost(6) • Call a() • Select Case True • Case RadioButton1.Checked • discount = 1 • Case RadioButton2.Checked • discount = 0.9 • Case RadioButton3.Checked • discount = 0.8 • Case Else • discount = 1 • End Select • Label8.Text = Fix(price * discount) • End Sub • 結帳按鈕 計算總金額 和 優惠

  9. 程式碼 • Sub a() • Dim lis As String • ListBox1.Items.Clear() • If TextBox1.Text Then • lis = Label1.Text & "($" & cost(1) & ") / " & TextBox1.Text & "杯M " & Now • ListBox1.Items.Add(lis) • End If • A副程式用來列出買賣清單

  10. 程式碼 • Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click • ListBox1.Items.Clear() • TextBox1.Text = 0 • TextBox2.Text = 0 • TextBox3.Text = 0 • TextBox4.Text = 0 • TextBox5.Text = 0 • TextBox6.Text = 0 • Label8.Text = "金÷額B" • End Sub • 清除按鈕

  11. 心得感想 • 第一次做VB 沒想到這麼難 因為以前沒用過 所以做的時候遇到很多問題 找同學幫忙 雖然做了很久不過總算做出來了。

  12. 參考範例 • Visual Basic2008 教學範本 古頤蓁著 • Visual Basic2008程式設計樂活學 鄧文淵著 • Visual Basic2010 程式設計 許華清著 • https://www.google.com/

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